1 2006-09-20 Paul Brook <paul@codesourcery.com>
3 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8 * doc/extend.texi (Decimal Float): Update for latest draft TR,
11 2006-09-20 Steve Ellcey <sje@cup.hp.com>
14 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
15 with tablejumps in them.
17 2006-09-20 Jakub Jelinek <jakub@redhat.com>
20 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
21 wrap it into TARGET_EXPR.
23 2006-09-20 Eric Christopher <echristo@apple.com>
25 * config/i386/i386.c (x86_fisttp): Remove.
26 * config/i386/i386.h (x86_fisttp): Ditto.
27 (TARGET_FISTTP): Ditto.
29 2006-09-19 Eric Christopher <echristo@apple.com>
31 * doc/tm.texi (OBJC_JBLEN): Describe.
32 * config/i386/darwin.h (OBJC_JBLEN): Define.
33 * config/rs6000/darwin.h: Ditto.
35 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
37 PR rtl-optimization/21299
38 * reload1.c (reload): Purge invalid ASMs in the final pass.
40 2006-09-19 Steve Ellcey <sje@cup.hp.com>
43 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
44 pointers as legitimate constants.
46 2006-09-19 Paul Brook <paul@codesourcery.com>
49 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
51 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
53 PR tree-optimization/28887
54 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
55 component parts from the reference.
56 (gather_memory_references_ref): Record the reference without the
57 nonaddressable component parts.
59 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
62 * c-opts.c (c_common_handle_option): Ignore the -std options
63 if the input language is assembly.
65 2006-09-17 Ira Rosen <irar@il.ibm.com>
68 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
70 (ptr_ptr_may_alias_p): Likewise.
71 (record_record_differ_p): New function.
72 (base_object_differ_p): Call record_record_differ_p.
74 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
77 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
78 away for the expr argument.
80 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
83 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
84 before using it for dumping after vectorizing loops.
86 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
87 Jack Howarth <howarth@bromo.med.uc.edu>
90 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
91 skip on error_mark_node.
92 (rs6000_darwin64_record_arg_recurse): Likewise.
94 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
96 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
97 * doc/rtl.texi: Remove related documentation.
99 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
101 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
104 2006-09-15 Jim Wilson <wilson@specifix.com>
106 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
107 Handle symbol offsets same as they are handled in ia64_expand_move
110 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
112 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
113 Add forgotten parameter to the fprintf call.
115 2006-09-15 Steve Ellcey <sje@cup.hp.com>
117 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
119 2006-09-15 Uros Bizjak <uros@kss-loka.si>
121 * doc/contrib.texi: Add my entry.
123 2006-09-15 Nick Clifton <nickc@redhat.com>
125 * doc/md.texi (Processor pipeline description): Fix typo in
126 example of how to use the absence_set directive and reword the
127 description to make it slightly easier to read.
129 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
131 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
132 * loop-doloop.c (doloop_optimize): Use it to limit costs of
133 expanding the number of iterations.
134 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
136 * cfgrtl.c (emit_insn_at_entry): New function.
137 * rtl.h (emit_insn_at_entry): Declare it.
138 * integrate.c (emit_initial_value_sets): Use it.
140 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
142 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
144 (struct loop_work and related VEC declarations): Delete.
145 (bfin_dump_loops): Print out new member bad.
146 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
147 (bfin_scan_loop): Don't recurse.
148 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
149 loops. No longer need to update outer loops if the current one is
150 found bad. Move some validitiy checks to bfin_discover_loop.
151 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
152 but changed not to check for nesting. Also changed to use the new bad
154 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
155 time. Use bitmap based test to discover loop nesting.
157 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
159 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
162 2006-09-14 Richard Guenther <rguenther@suse.de>
163 Kazu Hirata <kazu@codesourcery.com>
166 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
167 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
168 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
169 with TARGET_FUNCTION_VALUE.
171 2006-09-14 Anatoly Sokolov <aesok@post.ru>
174 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
176 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
178 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
181 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
184 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
187 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
189 * basic_block.h (bb_has_eh_pred): Fix comment.
191 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
193 * flow.c (calculate_global_regs_live): Invalidate eh registers
194 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
195 (propagate_block): Handle eh registers as if they were set at basic
197 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
199 * global.c (global_conflicts): Make eh registers to conflict with
200 pseudos live at basic block begin.
201 * basic_block.h (bb_has_eh_pred): New function.
203 2006-09-13 Richard Sandiford <richard@codesourcery.com>
205 PR rtl-optimization/28982
206 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
207 index of a PRE_MODIFY or POST_MODIFY address.
208 * reload1.c (inc_for_reload): Use find_replacement on the original
209 base and index registers.
211 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
213 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
214 for -Os. Update __m128 alignment requirement.
216 2006-09-13 Jan Hubicka <jh@suse.cz>
218 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
220 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
222 PR rtl-optimization/28243
223 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
224 the insn to which the note was originally attached.
226 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
227 Roger Sayle <roger@eyesopen.com>
229 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
230 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
231 on platforms that don't use dwarf for debug info.
233 2006-09-12 Jason Merrill <jason@redhat.com>
236 * builtins.c (expand_builtin_setjmp_receiver): Clobber
237 hard_frame_pointer_rtx after using it to update the frame pointer.
239 2006-09-12 Roger Sayle <roger@eyesopen.com>
241 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
242 (TARGET_ASM_CLOSE_PAREN): Likewise.
243 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
244 (TARGET_ASM_CLOSE_PAREN): Likewise.
246 2006-09-12 Roger Sayle <roger@eyesopen.com>
249 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
250 frame information for frames larger than 512 Kbytes on Tru64 when
251 using the native assembler.
253 2006-09-12 Roger Sayle <roger@eyesopen.com>
257 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
258 and symbols. Instead use the implementation from cse.c's hash_rtx.
260 2006-09-12 Jan Hubicka <jh@suse.cz>
262 PR rtl-optimization/28071
263 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
264 (vect_transform_loop): Likewise.
265 * tree-vectorizer.c (new_loop_vec_info): Likewise.
266 (new_loop_vec_info): Likewise.
267 (destroy_loop_vec_info): Likewise.
268 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
269 (create_stmt_ann): Likewise.
270 (create_tree_ann): Rename to ...
271 (create_tree_common_ann): ... this one; allocate only the common part
273 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
274 (get_value_handle): Likewise.
275 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
277 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
278 (vinfo_for_stmt): Use stmt annotations.
279 * tree-flow.h (tree_ann_common_t): New type.
280 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
281 (tree_ann, get_tree_ann, create_tree_ann): New.
282 * tree-flow-inline.h (get_function_ann): Do more type checking.
283 (stmt_ann): Likewise.
284 (tree_ann): Rename to ...
285 (tree_common_ann): ... this one; return ony common_ann
286 (get_tree_ann): Rename to ...
287 (tree_common_ann): This one; return only common_ann.
288 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
291 2006-09-11 Geoffrey Keating <geoffk@apple.com>
293 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
296 * dwarf2out.c (dwarf_file_data): New.
297 (enum dw_val_class): Add dw_val_class_file.
298 (struct dw_val_struct): Add val_file.
299 (file_table): Change to a hash table.
300 (file_table_emitted): Delete.
301 (file_table_last_lookup_index): Delete.
303 (last_emitted_file): New.
304 (lookup_filename): Change prototype to return a struct dwarf_file_data.
305 (init_file_table): Delete.
306 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
307 (AT_addr): Add comment.
311 (print_die): Handle dw_val_class_file.
312 (print_dwarf_line_table): Update for new file table structure.
313 (attr_checksum): Do checksum a filename.
314 (same_dw_val_p, same_attr_p): Do compare a filename.
315 (size_of_die): Handle dw_val_class_file.
316 (value_format): Likewise.
317 (output_die): Likewise. Also, call maybe_emit_file here.
318 (struct file_info): Constify filenames. Make file_idx a pointer
319 to a struct dwarf_file_data.
320 (struct dir_info): Constify directory names. Remove 'used' field.
321 (struct file_name_acquire_data): New.
322 (file_name_acquire): New.
323 (output_file_names): Modify to handle new file data structures.
324 (add_src_coords_attributes): Use add_AT_file.
325 (add_call_src_coords_attributes): Likewise.
326 (dwarf2out_imported_module_or_decl): Likewise.
327 (gen_subprogram_die): Modify for new file data structures.
328 (gen_variable_die): Likewise.
329 (file_table_eq): New.
330 (file_table_hash): New.
331 (file_table_last_lookup): New.
332 (lookup_filename): Rewrite to handle new file data structures.
333 (maybe_emit_file): Rewrite to handle new file data structures.
334 (dwarf2out_source_line): Always call lookup_filename and
336 (dwarf2out_init): Create file_table here.
337 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
338 (file_table_relative_p): New.
339 (dwarf2out_finish): Change detection of relative filenames
340 to work with new file data structures. Move output_line_info call
341 after debug_info output.
343 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
348 * config/i386/i386.c (override_options): Always default to 16
351 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
354 * var-tracking.c (dump_dataflow_set): Start dumping at
356 (clobber_variable_part): Kill only the variable part in
357 registers holding it, leaving other variables alone.
359 2006-09-11 Josh Triplett <josh@freedesktop.org>
361 * doc/extend.texi (Other Builtins): Actually use the macro
362 argument in the documentation example for
363 __builtin_types_compatible_p.
365 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
367 PR rtl-optimization/28726
368 * sched-deps.c (sched_analyze_reg): New function extracted from...
369 (sched_analyze_1): ...here. Call it to analyze references to
370 registers. Treat again writes to a stack register as writing to the
372 (sched_analyze_2): ...and here. Call it to analyze references to
373 registers. Treat again reads of a stack register as reading the
376 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
377 David Edelsohn <edelsohn@gnu.org>
380 * config/rs6000/spe.md (frob_df_di): Remove %H.
381 (frob_di_df): Remove %H. Change evmergelo to mr.
382 (frob_di_df_2): Remove %H. Change evldd to two loads.
384 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
386 * doc/cpp.texi: Fix names of charset options.
388 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
391 * config/i386/i386.c (override_options): Use 128-bit
392 stack boundary always for 64bits.
394 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
396 PR rtl-optimization/28636
397 * combine.c (force_to_mode): Test for side-effects before
398 substituting by zero.
399 (simplify_shift_const): Likewise for zero or other constants.
401 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
404 * builtins.c (expand_builtin_setjmp): Force next_lab to be
407 2006-09-10 Richard Sandiford <richard@codesourcery.com>
410 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
411 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
412 returned by mode_for_size, rather than the mode of src itself,
413 to choose between 32-bit and 64-bit patterns.
414 (mips_mem_fits_mode_p): New function.
415 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
416 that the size of the source matches the size of the destination.
417 (mov_<store>l, mov_<store>r): Likewise.
419 2006-09-10 Eric Christopher <echristo@apple.com>
421 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
424 2006-09-09 Eric Christopher <echristo@apple.com>
427 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
430 2006-09-09 Roger Sayle <roger@eyesopen.com>
431 Nicolas Setton <setton@adacore.com>
433 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
435 2006-09-10 Andreas Schwab <schwab@suse.de>
437 * config/m68k/m68k.md (bungt_rev): New pattern.
439 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
440 Dale Johannesen <dalej@apple.com>
443 * regclass.c (struct reg_pref): Update documentation.
444 (regclass): Set prefclass to NO_REGS if memory is the best option.
445 (record_reg_classes): Cope with a prefclass set to NO_REGS.
447 2006-09-08 Eric Christopher <echristo@apple.com>
449 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
450 * config/t-slibgcc-darwin: Support x86_64 multilib.
451 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
452 Return 1 for x86_64-darwin.
453 * config/i386/t-darwin: Add m64 multilib.
454 (LIB2_SIDITI_CONV_FUNCS): Use.
455 (LIB2FUNCS_EXTRA): Ditto.
456 * config/i386/darwin.h: Support x86_64.
457 * config/i386/i386.c (override_options): Turn on flag_pic
458 for x86_64-darwin. Disable flag_omit_pointer.
459 (get_pc_thunk_name): Assert !TARGET_64BIT.
460 (legitimate_address_p): Disable machopic addressing for
462 (legitimize_pic_address): Ditto.
463 (ix86_expand_move): Ditto.
464 (ix86_expand_call): Ditto.
465 (machopic_output_stub): Ditto.
466 * config/darwin.c (machopic_select_section): Support literal16.
467 (machopic_select_rtx_section): Ditto.
468 * config/darwin-sections.def: Ditto.
469 * config/darwin-64.c: New.
471 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
474 * c-tree.h (struct c_arg_info): Add pending_sizes.
475 * c-parser.c (c_parser_parms_declarator,
476 c_parser_parms_list_declarator): Initialize pending_sizes.
477 * c-decl.c (get_parm_info): Initialize pending_sizes.
478 (get_parm_info): Set pending_sizes.
479 (grokdeclarator): Call put_pending_sizes for parameters for
480 function definition only.
482 2006-09-07 Jason Merrill <jason@redhat.com>
485 * varasm.c (output_constant): Only strip actual no-op conversions.
488 * config/i386/i386.c (override_options): Use 128-bit
489 stack boundary if -msse.
491 2006-09-07 Eric Christopher <echristo@apple.com>
493 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
495 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
498 2006-09-07 Geoffrey Keating <geoffk@apple.com>
500 * dwarf2out.c: Remove strange characters from comment above
501 dwarf2out_frame_debug_expr.
503 2006-09-07 Eric Christopher <echristo@apple.com>
505 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
506 * config/darwin.h: ... to here.
508 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
510 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
512 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
513 (TARGET_PARTIAL_FLAG_REG_STALL): New.
515 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
516 TARGET_PARTIAL_FLAG_REG_STALL.
517 (*ashldi3_cconly_rex64): Likewise.
518 (*ashlsi3_cmp): Likewise.
519 (*ashlsi3_cconly): Likewise.
520 (*ashlsi3_cmp_zext): Likewise.
521 (*ashlhi3_cmp): Likewise.
522 (*ashlhi3_cconly): Likewise.
523 (*ashlqi3_cmp): Likewise.
524 (*ashlqi3_cconly): Likewise.
525 (*ashrdi3_cmp_rex64): Likewise.
526 (*ashrdi3_cconly_rex64): Likewise.
527 (*ashrsi3_cmp): Likewise.
528 (*ashrsi3_cconly): Likewise.
529 (*ashrsi3_cmp_zext): Likewise.
530 (*ashrhi3_cmp): Likewise.
531 (*ashrhi3_cconly): Likewise.
532 (*ashrqi3_cmp): Likewise.
533 (*ashrqi3_cconly): Likewise.
534 (*lshrdi3_cmp_rex64): Likewise.
535 (*lshrdi3_cconly_rex64): Likewise.
536 (*lshrsi3_cmp): Likewise.
537 (*lshrsi3_cconly): Likewise.
538 (*lshrsi3_cmp_zext): Likewise.
539 (*lshrhi3_cmp): Likewise.
540 (*lshrhi3_cconly): Likewise.
541 (*lshrqi2_cmp): Likewise.
542 (*lshrqi2_cconly): Likewise.
544 2006-09-07 Uros Bizjak <uros@kss-loka.si>
547 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
548 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
549 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
550 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
551 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
552 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
553 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
554 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
555 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
556 implement only CC setting effects of shift instructions.
558 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
560 * doc/contrib.texi: Add myself.
562 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
565 * stor-layout.c (relayout_decl): Don't zero the alignment if it
568 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
571 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
572 (divsi_inv_m1): Use them.
573 (UNSPEC_DIV_INV_TABLE): New constant.
575 2006-09-06 James E Wilson <wilson@specifix.com>
578 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
579 then call count_or_remove_death_notes.
581 2006-09-06 Jason Merrill <jason@redhat.com>
584 * tree-inline.c (copy_result_decl_to_var): New fn.
585 (declare_return_variable): Use it. Call declare_inline_vars here.
586 (expand_call_inline): Not here.
588 2006-09-06 Diego Novillo <dnovillo@redhat.com>
590 * doc/contrib.texi: Update my entry.
592 2006-09-06 Nick Clifton <nickc@redhat.com>
594 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
596 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
599 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
600 (canonicalize_induction_variables): Likewise.
601 (tree_unroll_loops_completely): Likewise.
602 (tree_ssa_prefetch_arrays): Likewise.
603 (remove_empty_loops): Likewise.
604 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
605 TODO_cleanup_cfg instead of directly calling
606 cleanup_tree_cfg_loop.
607 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
609 (tree_unroll_loops_completely): Likewise.
610 (remove_empty_loops): Likewise.
611 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
612 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
613 of tree_ssa_unswitch_loops.
614 (tree_ssa_loop_ivcanon): Use the return value of
615 canonicalize_induction_variables.
616 (tree_ssa_empty_loop): Use the return value of
618 (tree_complete_unroll): Use the return value of
619 tree_unroll_loops_completely.
620 (tree_ssa_loop_prefetch): Use the return value of
621 tree_ssa_prefetch_arrays.
622 * passes.c (execute_todo): Before Cleanup CFG, set
623 updating_used_alone and after cleanup CFG, call
624 recalculate_used_alone.
626 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
629 * tree-vect-transform.c (vectorizable_condition): Move the check
630 for the type after the check for simple condition.
632 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
633 Kaz Kojima <kkojima@gcc.gnu.org>
636 * mode-switching.c (optimize_mode_switching): Make the destination
637 block of an abnormal edge have no anticipatable mode. Don't
638 insert mode switching code at the end of the source block of
641 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
643 PR rtl-optimization/26847
644 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
645 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
646 (simplify_plus_minus): Count n_constants while filling ops. Replace
647 qsort with insertion sort. Before going through the array to simplify
648 pairs, sort it. Delay early exit until after the first sort, exiting
649 only if no swaps occurred. Simplify pairs in reversed order, without
650 special-casing the first iteration. Pack ops after simplifying pairs.
652 2006-09-05 Anatoly Sokolov <aesok@post.ru>
654 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
655 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
656 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
657 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
659 2006-09-05 Richard Guenther <rguenther@suse.de>
661 PR tree-optimization/28900
662 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
663 compound conditional before creating COND_EXPR condition.
665 2006-09-05 Richard Guenther <rguenther@suse.de>
667 PR tree-optimization/28905
668 * tree-vrp.c (fix_equivalence_set): Manually implement
669 !value_ranges_intersect_p to also handle symbolic ranges.
671 2006-09-05 Richard Guenther <rguenther@suse.de>
674 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
677 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
679 PR rtl-optimization/27616
680 * cse.c (table_size): New static variable.
681 (new_basic_block): Initialize it to 0.
682 (remove_from_table): Decrement it.
683 (insert): Increment it.
684 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
685 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
686 fold_rtx_mem_1 if under the cap.
687 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
688 the lookup of the equivalent expression and test for equality of the
689 first operand of the equivalent expression before in turn looking up
690 an equivalent constant for the second operand.
692 2006-09-02 Geoffrey Keating <geoffk@apple.com>
695 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
696 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
697 pointer, instead of assuming it is possible to derive the
698 correct args size from a call insn.
700 2006-09-02 Jakub Jelinek <jakub@redhat.com>
703 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
704 (fold_builtin_mempcpy): Rename to...
705 (fold_builtin_memory_op): ... this. Optimize one element copy
707 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
709 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
710 (expand_builtin_memcpy, expand_builtin_mempcpy,
711 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
712 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
713 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
714 BUILT_IN_MEM{CPY,PCPY,MOVE}.
716 2006-09-01 DJ Delorie <dj@redhat.com>
718 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
720 ("stzx_24_<mode>"): Likewise.
721 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
722 ("cmp<mode>_op"): New.
723 (cmp<mode>): Change to expander; just save operands.
725 (b<code>): Change to expander, emit compare here.
726 (s<code>_op): Change to use split and expander.
727 (s<code>_24_op): Likewise.
728 (s<code>_<mode>): New.
729 (s<code>_<mode>_24): New.
730 (movqicc_<code>_<mode): New.
731 (movhicc_<code>_<mode>): New.
734 * config/m32c/m32c.c (compare_op0, compare_op1): New.
735 (m32c_pend_compare): New.
736 (m32c_unpend_compare): New.
737 (m32c_expand_scc): New.
738 (m32c_expand_movcc): Emit the compare also.
739 * config/m32c/predicates.md (mra_nopp_operand): New.
741 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
742 Richard Guenther <rguenther@suse.de>
743 Adam Nemet <anemet@caviumnetworks.com>
746 * builtins.c (get_pointer_alignment): Handle more forms
747 of base addresses that can be used to derive more precise
748 information about alignment.
750 2006-09-01 Jason Merrill <jason@redhat.com>
753 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
756 * gimplify.c (voidify_wrapper_expr): Handle null type.
758 2006-09-01 Josh Conner <jconner@apple.com>
761 * tree-nrv.c (dest_safe_for_nrv_p): New function.
762 (execute_return_slot_opt): Use it.
764 2006-08-31 Josh Conner <jconner@apple.com>
767 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
768 returning aggregates.
770 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
772 PR tree-optimization/28839
773 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
774 blocks in that phi arguments appear.
776 2006-08-31 Roger Sayle <roger@eyesopen.com>
779 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
780 NULL, otherwise use an advance_loc4 to adjust relative to the
782 (output_cfi) <DW_CFA_set_loc>: Update the current label.
783 (dwarf2out_switch_text_section): Reset the current label to avoid
784 using advance_loc4 over section boundaries.
786 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
789 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
790 r12 + SYMBOLIC_CONST.
792 2006-08-30 Richard Guenther <rguenther@suse.de>
794 * Makefile.in (see.o): Add $(EXPR_H) dependency.
796 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
798 PR rtl-optimization/27735
799 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
800 Add new argument to keep track of whether an irreducible region
801 was affected. All callers changed.
802 (fix_irreducible_loops): Removed.
803 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
804 flags were invalidated.
806 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
808 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
809 instead of SF operands.
810 (*fop_df_comm_sse): Likewise.
811 (*fop_df_comm_i387): Likewise.
812 (*fop_df_1_mixed): Likewise.
813 (*fop_df_1_sse): Likewise.
815 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
816 J"orn Rennecke <joern.rennecke@st.com>
818 PR tree-optimization/17506
819 * tree-ssa.c (warn_uninit): If warning about a location outside of
820 the current function, note where the variable was declared.
822 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
824 PR tree-optimization/28411
825 * double-int.c (double_int_div): Use double_int_divmod.
826 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
827 double_int_mod, double_int_smod, double_int_umod): New functions.
828 * double-int.h (double_int_divmod, double_int_sdivmod,
829 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
831 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
833 (get_computation_aff, get_computation_cost_at): Handle double_int
834 return type of constant_multiple_of.
836 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
839 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
840 an implicit conversion.
842 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
844 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
846 2006-08-27 Roger Sayle <roger@eyesopen.com>
848 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
851 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
853 * config/i386/crtfastmath.c: Fix a comment typo.
855 2006-08-26 Roger Sayle <roger@eyesopen.com>
857 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
858 temporary visit flags on CASE_LABEL_EXPRs.
859 * c-common.c (match_case_to_enum): Add function comment. Avoid
860 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
861 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
862 CASE_HIGH_SEEN for enumerated types. If the switch expression is
863 a constant, only warn if that constant value isn't handled.
865 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
868 * input.h (restore_input_file_stack): Declare.
869 (INPUT_FILE_STACK_BITS): Define.
870 * toplev.c (fs_p, input_file_stack_history,
871 input_file_stack_restored, restore_input_file_stack): New.
872 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
873 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
874 (pop_srcloc): Don't free old state of stack.
876 2006-08-26 David Edelsohn <edelsohn@gnu.org>
879 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
880 (PowerPC Type Attributes): New.
882 2006-08-26 Bob Wilson <bob.wilson@acm.org>
884 * config/xtensa/xtensa.c (function_arg_boundary): New.
885 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
887 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
888 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
890 2006-08-26 Jakub Jelinek <jakub@redhat.com>
893 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
896 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
898 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
899 (verify_local_live_at_start): Likewise.
901 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
904 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
905 omp_add_variable): Treat sizes as variable whenever not
908 2006-08-26 Richard Guenther <rguenther@suse.de>
911 * fold-const.c (fold_binary): Fold temporary to correct
912 type before constructing new comparison.
914 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
917 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
918 variable again if DECL_SEEN_IN_BIND_EXPR_P.
920 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
923 * c-decl.c (start_function): Don't try to process prototype
924 information from old declaration that isn't a function.
926 2006-08-25 Jan Hubicka <jh@suse.cz>
929 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
931 2006-08-25 Alan Modra <amodra@bigpond.net.au>
934 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
937 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
939 PR tree-optimization/16876
940 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
941 exit if PARM doesn't match VALUE.
943 2006-08-25 Bob Wilson <bob.wilson@acm.org>
945 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
946 literal_prefix directive.
947 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
948 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
949 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
951 2006-08-25 David Edelsohn <edelsohn@gnu.org>
954 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
955 predicate to general_operand. Add 0->y and I->r alternatives.
957 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
959 * doc/tm.texi: Fix a typo.
960 * predict.c: Fix comment typos.
962 2006-08-25 Nick Clifton <nickc@redhat.com>
964 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
965 assertions of "cpu" and "machine".
967 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
970 * tree-ssa-operands.c (access_can_touch_variable): Don't say
971 the access through a base which has an alias set of 0 cannot
974 2006-08-24 Bill Wendling <wendling@apple.com>
976 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
978 2006-08-24 Jan Hubicka <jh@suse.cz>
980 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
982 2006-08-24 Jan Hubicka <jh@suse.cz>
985 * cgraph.c: Fix comments.
986 (cgraph_varpool_mark_needed_node): Mark only variables not already
988 * cgraphunit.c: Update comments; include gt-cgraphunit.h
989 (cgraph_varpool_assembled_nodes_queue): New static variable.
990 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
991 (cgraph_varpool_output_debug_info): New function.
992 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
993 * Makefile.in: Add gt-cgraphunit.h
995 2006-08-24 Jan Hubicka <jh@suse.cz>
997 * predict.c (probability_reliable_p): New predicate.
998 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
999 (predict_loops): Do not predict loop exit with less than 2%
1001 * basic-block.h (edge_probability_reliable_p,
1002 br_prob_note_reliable_p): Declare.
1003 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1004 prediction when static predictor is not reliable.
1005 * rs6000.c (output_cbranch): Likewise.
1007 2006-08-23 Stuart Hastings <stuart@apple.com>
1010 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1011 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1013 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1016 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1017 complex values, nor for generic vector values.
1019 2006-08-22 Richard Guenther <rguenther@suse.de>
1022 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1023 parameter. Convert arguments to arithmetic expression to the
1025 (analyze_scalar_evolution_1): Adjust caller.
1027 2006-08-22 Jan Hubicka <jh@suse.cz>
1029 Patch by Paolo Bonzini
1030 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1033 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1035 PR tree-optimization/28003
1036 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1037 before grouping aliases.
1039 2006-08-22 Roger Sayle <roger@eyesopen.com>
1041 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1042 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1044 2006-08-21 Jason Merrill <jason@redhat.com>
1047 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1048 wrapper. Loop to handle nested wrappers.
1049 (gimplify_bind_expr): Remove temp parameter.
1050 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1051 and STATEMENT_LIST on the rhs.
1052 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1053 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1054 (gimplify_target_expr): Remove special BIND_EXPR handling.
1056 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1058 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1061 2006-08-21 Olivier Hainque <hainque@adacore.com>
1063 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1064 Arrange for the temporary captures of components overlapping the lhs
1065 to happen before the lhs is possibly cleared.
1067 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1069 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1070 necessary places to pass the correct "number of registers" values
1073 2006-08-20 Jan Hubicka <jh@suse.cz>
1075 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1076 (create_name_tags): Instead of quadratic checking use hashtable.
1077 * bitmap.h: Include hashtab.h.
1078 (bitmap_hash): Declare.
1079 * bitmap.c (bitmap_hash): New function.
1081 2006-08-20 Jan Hubicka <jh@suse.cz>
1083 PR rtl-optimization/28071
1084 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1086 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1087 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1088 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1089 cgraph_decide_inlining_incrementally): Update use of
1090 cgraph_check_inline_limits.
1091 * cgraph.c (edge_hash, edge_eq): New function.
1092 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1093 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1094 cgraph_remove_node): Maintain call site hash.
1095 * cgraph.h (struct cgraph_node): Add call_site_hash.
1096 (cgraph_set_call_stmt): New function.
1098 2006-08-20 Jan Hubicka <jh@suse.cz>
1100 PR rtl-optimization/28071
1101 * reload1.c (reg_has_output_reload): Turn into regset.
1102 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1103 choose_reload_regs, emit_reload_insns): Update to new
1104 reg_has_output_reload.
1106 2006-08-20 Jan Hubicka <jh@suse.cz>
1109 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1110 function body sizes.
1111 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1113 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1116 * tree.c (handle_dll_attribute): Return early if not a
1117 var or function decl.
1119 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1122 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1123 alignment of SPE vector types.
1125 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1127 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1129 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1132 * cgraph.h (struct cgraph_node): Remove externally_visible
1134 * cgraphunit.c (process_function_and_variable_attributes): Set
1135 local.externally_visible rather than externally_visible.
1138 * c-common.c (handle_externally_visible_attribute): First look
1139 at TREE_CODE and only if it is function or var decl, check for
1140 non-public objects. Don't warn for DECL_EXTERNAL.
1141 * cgraphunit.c (process_function_and_variable_attributes): Warn
1142 if externally_visible attribute is used on non-public object.
1144 2006-08-17 Jan Hubicka <jh@suse.cz>
1146 PR tree-optimization/27865
1147 * reload1.c (forget_marked_reloads): New function.
1148 (forget_old_reloads_1): When data are passed, just mark the registers
1150 (reload_as_needed): Use the new mechanizm.
1152 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1155 * reload.h (reg_equiv_alt_mem_list): New declaration.
1156 * reload1.c (reg_equiv_alt_mem_list): New definition.
1157 (reload): Initialize it and release it.
1158 (delete_output_reload): Use it.
1159 * reload.c (push_reg_equiv_alt_mem): New function.
1160 (find_reloads_toplev): Call it.
1161 (find_reloads_address, find_reloads_address_1): Likewise.
1162 (find_reloads_subreg_address): Likewise.
1164 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1166 PR rtl-optimization/28489
1167 * sched-ebb.c (begin_schedule_ready): Create basic block
1169 (advance_target_bb): Skip empty blocks.
1170 * haifa-sched.c (bb_note): Make global.
1171 * sched-int.h (bb_note): Add prototype.
1173 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1175 PR tree-optimization/27865
1176 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1178 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1179 fold_used_pointer, pointer_used_p): New functions.
1180 (analyze_scalar_evolution_1): Use fold_used_pointer.
1181 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1182 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1185 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1188 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1189 or the INTEGER_CST. Fail on a CALL_EXPR.
1190 (fold_offsetof): Pass new argument to fold_offsetof_1.
1191 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1192 operand into an INDIRECT_REF.
1193 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1195 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1197 PR gcov/profile/26570
1198 * value-prof.c (static_values): Removed.
1199 (tree_find_values_to_profile): Do not set static_values.
1200 (find_values_to_profile): Do not free static_values.
1201 * profile.c (instrument_values): Do not free the values.
1202 (branch_prob): Free the values.
1204 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1206 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1208 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1211 * c-typeck.c (build_component_ref): Combine qualifiers of
1212 structure or union and field.
1214 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1216 PR rtl-optimization/28071
1217 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1218 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1219 * tree-into-ssa.c (struct dom_dfsnum): New.
1220 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1222 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1223 compute_global_livein.
1224 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1225 in phi nodes in the correct blocks.
1227 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1229 PR tree-optimization/28364
1230 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1232 (fold_affine_expr): New function.
1233 (may_eliminate_iv): Use fold_affine_expr.
1235 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1238 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1241 2006-08-16 Mike Stump <mrs@apple.com>
1243 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1244 * doc/cppopts.texi (-MD): Likewise.
1246 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1249 * c-common.c (handle_weak_attribute): Ignore and warn if
1250 not a FUNCTION_ or VAR_DECL.
1252 2006-07-15 Mike Stump <mrs@apple.com>
1255 * c-parser.c (c_parser_typeof_specifier): Don't use
1256 c_finish_expr_stmt, open code desired semantics instead.
1258 2006-08-15 Nick Clifton <nickc@redhat.com>
1260 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1261 fragment to tmake_file only if threads are enabled.
1262 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1263 * config/i386/t-gthr-win32: New file. ... here.
1265 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1268 * c-parser.c (c_parser_compound_statement_nostart): Reset
1269 parser->error after each statement.
1271 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1274 * omp-low.c (lower_omp_parallel): Convert t to
1275 receiver_decl's type.
1276 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1277 source before comparison.
1280 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1281 to itype in assignment to oldival2.
1283 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1287 * c-typeck.c (build_compound_expr): If the second expression
1288 is an error mark, then just return an error mark instead of
1289 creating a COMPOUND_EXPR.
1291 2006-07-14 Mike Stump <mrs@apple.com>
1293 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1295 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1297 * c-decl.c, var-tracking.c: Fix comment typos.
1299 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1301 PR rtl-optimization/28634
1302 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1303 for floating-point modes unless flag_unsafe_math_optimizations.
1305 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1306 Andrew Pinski <pinskia@physics.uc.edu>
1309 * tree.c (build_array_type): Unify array types with
1310 unspecified index_type.
1311 * c-decl.c (grokdeclarator): Make sure we do not modify a
1312 unified incomplete array type.
1313 * c-typeck.c (store_init_value): Create distinct type before
1314 filling in the index type in an initializer from a compound
1317 * c-decl.c (grokdeclarator): Remove code where we copy the
1320 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1322 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1323 into account for TODO_dump_cgraph.
1324 (TODO_update_ssa_no_phi): Likewise.
1325 (TODO_update_ssa_full_phi): Likewise.
1326 (TODO_update_ssa_only_virtuals): Likewise.
1327 (TODO_remove_unused_locals): Likewise.
1328 (TODO_set_props): Likewise.
1329 (TODO_update_stmt_usage): Likewise.
1331 2006-08-13 Dirk Mueller <dmueller@suse.de>
1333 * c-common.c (strict_aliasing_warning): Fix formatting.
1335 2006-08-13 Matthias Klose <doko@debian.org>
1337 * doc/invoke.texi: Fix spelling errors.
1339 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1341 PR rtl-optimization/23454
1342 * reorg.c (relax_delay_slots): Update comment.
1344 2006-08-11 Richard Guenther <rguenther@suse.de>
1347 * simplify-rtx.c (simplify_const_relational_operation):
1348 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1351 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1353 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1354 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1356 2006-08-10 Paul Brook <paul@codesourcery.com>
1358 * final.c (final_scan_insn): Clear current_insn_predicate before
1359 outputting inline asm.
1361 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1363 PR tree-optimization/26197
1364 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1365 get_ref_base_and_extent and overlap_subvar to add only relevant
1366 subvars as may-aliases.
1367 (add_may_alias_for_new_tag): New function, factored out of
1369 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1370 with additional argument.
1371 * tree-flow.h (new_type_alias): Takes additional argument.
1373 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1375 * gcov.c (no_data_file): New flag.
1376 (read_count_file): Set it if data file not present. Assume counts
1378 (output_lines): Don't name the data file, if there wasn't one.
1380 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1382 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1383 (rs6000_generate_compare): Tweak comments.
1384 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1386 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1388 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1389 (var_debug_decl): New function.
1390 (var_reg_set): Follow debug decl link. Add location even if
1391 reg is already known to hold some other variable.
1392 (var_mem_set): Follow debug decl link.
1393 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1394 decl link. Delete other known locations of the variable part
1396 (var_reg_delete, var_mem_delete): Delete other known locations
1397 of the variable part if requested.
1398 (same_variable_part_p): New function.
1399 (add_stores): Select MO_COPY when appropriate.
1400 (vt_initialize): Handle it.
1401 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1402 known locations for MO_SET and MO_CLOBBER.
1403 (find_variable_location_part): New function.
1404 (set_variable_part, delete_variable_part): Use it.
1405 (clobber_variable_part): New function.
1406 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1409 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1411 PR tree-optimization/26969
1412 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1413 with an empty list of PHIs.
1415 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1419 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1422 2006-08-06 Andreas Schwab <schwab@suse.de>
1424 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1425 string. Whitespace and comment fixup.
1427 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1430 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1434 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1437 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1439 2006-08-04 Jan Hubicka <jh@suse.cz>
1443 * reload.c (push_reload): Patch out the mismatching instruction;
1445 (find_reload): Bail out if the instruction was patched out.
1447 2006-08-04 Jan Hubicka <jh@suse.cz>
1449 PR tree-optimization/24888
1450 * tree-inline.c (expand_call_inline): Do not re-record variables.
1451 (declare_inline_vars): Add variable to unexpanded_var_list.
1453 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1454 Roger Sayle <roger@eyesopen.com>
1456 PR rtl-optimization/26244
1457 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1458 inner_const are negative or greater than or equal to the bitsize of
1459 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1460 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1461 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1462 CONST0_RTX (mode) when the new shift count is greater than or equal to
1463 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1466 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1468 * tree-cfg.c: Fix a comment typo.
1470 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1473 * varasm.c (output_constant): Give the front end another chance to
1474 expand constants, after stripping NOPs.
1476 2006-08-03 Jan Hubicka <jh@suse.cz>
1478 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1481 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1483 PR tree-optimization/27770
1484 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1485 declaration removed (moved to tree-flow.h).
1486 (vect_can_force_dr_alignment_p): Likewise.
1487 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1488 (moved from tree-vectorizer.h).
1489 (vect_can_force_dr_alignment_p): Likewise.
1490 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1491 from outside the vectorizer - in particular from cgraph stage.
1492 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1493 the alignment of global arrays when -fsection-anchors is enabled.
1494 * cgraphunit.c (cgraph_increase_alignment): New function.
1495 (cgraph_optimize): Call cgraph_increase_alignment.
1497 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1500 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1501 not reload a SPE symbol_ref into a lo_sum address.
1503 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1506 * dwarf2out.c (prune_unused_types_prune): Move call to
1507 prune_unused_types_update_strings to cover the parent DIE also.
1509 2006-08-02 Jan Hubicka <jh@suse.cz>
1511 PR gcov/profile/28480
1512 * tree-cfg.c (change_bb_for_stmt): New function.
1513 (tree_merge_blocks, tree_split_blocks): Use it.
1515 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1521 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1522 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1523 (cgraph_optimize): Likewise.
1525 2006-08-01 Stuart Hastings <stuart@apple.com>
1527 * rtl.h (UINTVAL) New.
1528 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1529 * testsuite/gcc.dg/20060801-1.c: New.
1531 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1534 * c-typeck.c (build_external_type): Mark used enum types.
1535 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1537 (gen_subprogram_die): Whitespace fix.
1539 2006-08-01 Jan Hubicka <jh@suse.cz>
1541 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1542 bitmap when not needed.
1543 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1546 2006-08-01 Dirk Mueller <dmueller@suse.de>
1548 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1550 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1552 * Makefile.in: Revert part of previous patch:
1553 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1556 2006-07-30 Eric Christopher <echristo@apple.com>
1559 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1560 (PowerPC Variable Attributes): New section.
1562 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1564 PR target/28126 (partial fix)
1565 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1567 2006-07-28 Jan Hubicka <jh@suse.cz>
1569 PR rtl-optimization/28071
1570 * cfgrtl.c (rtl_delete_block): Free regsets.
1571 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1573 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1575 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1576 and variables used in dependencies.
1578 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1580 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1581 %fs for -mcmodel=kernel.
1582 (stack_tls_protect_test_di): Likewise.
1584 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1586 * Makefile.in: Use mkinstalldirs.
1588 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1591 * opts-common.c (prune_options): Skip joined switches.
1593 2006-07-27 Jan Hubicka <jh@suse.cz>
1595 PR rtl-optimization/28071
1596 * cselib.c (cselib_process_insn): Don't remove useless values too
1597 often for very large hashtables.
1599 2006-07-27 Jan Hubicka <jh@suse.cz>
1601 PR rtl-optimization/28071
1602 * global.c (greg_obstack): New obstack.
1603 (allocate_bb_info): Use it.
1604 (free_bb_info): Likewise.
1605 (modify_reg_pav): Likewise.
1607 2006-07-27 Roger Sayle <roger@eyesopen.com>
1609 * builtins.c (fold_fixed_mathfn): When long and long long are the
1610 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1611 functions to their lceil*, lfloor*, lround* and lrint* forms.
1613 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1616 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1618 (rev_branch_insn): Likewise.
1620 2006-07-27 Jan Hubicka <jh@suse.cz>
1622 PR rtl-optimization/28071
1623 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1624 (reg_set_in_bb, max_reg_computed): New static variables.
1625 (regmove_optimize): Free the new array.
1626 (fixup_match_1): Update call of reg_is_remote_constant_p.
1628 2006-07-26 Jan Hubicka <jh@suse.cz>
1630 PR tree-optimization/27882
1631 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1633 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1635 (cgraph_analyze_compilation_unit): Likewise.
1636 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1637 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1638 (cgraph_early_inlinine): Make order garbage collected.
1639 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1641 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1643 * dbxout.c (output_types_sort): Add a comment.
1644 (output_used_types): Free the VEC.
1646 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1648 * function.c (reorder_fix_fragments): Delete.
1649 (reorder_blocks): Don't call it.
1650 (reorder_blocks_1): Put all subblocks under the origin block.
1652 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1654 PR rtl-optimization/27907
1655 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1658 2006-07-25 Roger Sayle <roger@eyesopen.com>
1661 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1662 bar(x) check that bar's result type can represent all the values of T.
1664 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1666 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1668 2006-07-25 Nick Clifton <nickc@redhat.com>
1670 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1671 size_lookup[] array.
1672 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1673 (ggc_pch_count_object): Likewise.
1674 (ggc_pch_alloc_object): Likewise.
1675 (ggc_pch_write_object): Likewise.
1676 (init_ggc): Do not attempt to initialize entries in the
1677 size_lookup[] array for objects whose size is greater than than
1678 the length of the array.
1680 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1682 * dbxout.c (output_used_types_helper): Push queued types
1684 (output_types_sort): New.
1685 (output_used_types): Collect used types on a VEC and sort them
1688 2006-07-24 Richard Guenther <rguenther@suse.de>
1691 * cgraph.c (cgraph_remove_node): Do not check if dumps
1693 * cgraphunit.c (cgraph_optimize): Likewise.
1695 2006-07-24 Jan Hubicka <jh@suse.cz>
1697 PR rtl-optimization/28071
1698 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1699 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1700 splitting before first stmt.
1702 2006-07-24 Jan Hubicka <jh@suse.cz>
1704 PR rtl-optimization/28071
1705 * ipa-inline.c (update_caller_keys): Remove edges that
1706 are no longer inline candidates.
1708 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1711 * dbxout.c (output_used_types_helper, output_used_types): New.
1712 (dbxout_symbol): Call output_used_types.
1714 2006-07-23 Jan Hubicka <jh@suse.cz>
1718 * cgraph.c (cgraph_varpool_nodes): Export.
1719 (decide_is_variable_needed): Ignored "used" attribute in
1720 unit-at-a-time mode.
1721 * cgraph.h (cgraph_varpool_nodes): Declare.
1722 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1723 unit-at-a-time mode.
1725 2006-07-23 Roger Sayle <roger@eyesopen.com>
1728 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1729 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1730 the __gthrw form of thr_keycreate.
1731 (__gthread_key_delete): Silence the unused argument warning.
1733 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1736 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1737 Cache the last found '\0' marker to avoid quadratic behavior.
1739 2006-07-23 Jan Hubicka <jh@suse.cz>
1741 * i386.md (subsi_3_zext): Fix output template.
1743 2006-07-21 Mike Stump <mrs@apple.com>
1745 * doc/invoke.texi (C++ Dialect Options): Note that
1746 -fvisibility-inlines-hidden doesn't affect explicitly
1747 instantiationed inline methods.
1749 2006-07-20 Roger Sayle <roger@eyesopen.com>
1751 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1752 if the target assembler is GNU binutils' gas.
1753 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1754 whether to pass GNU gas or native as command line options.
1756 2006-07-20 Jason Merrill <jason@redhat.com>
1758 * tree.c (remove_attribute): New fn.
1759 * tree.h: Declare it.
1761 2006-07-20 Paul Brook <paul@codesourcery.com>
1764 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1765 they are invalidated by this instruction.
1767 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1770 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1772 2006-07-20 Eric Christopher <echristo@apple.com>
1775 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1777 2006-07-19 Eric Christopher <echristo@apple.com>
1779 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1780 Rewrite dependencies for libgcc_s.1.dylib.
1782 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1784 * except.c (duplicate_eh_regions_1): Clear next_peer.
1786 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1788 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1789 -mlongcall does not guarantee all calls will be long.
1790 * doc/extend.texi (long_call/short_call): Document that longcall
1791 does not guarantee a long call will be used.
1792 (longcall/shortcall): Likewise.
1794 2006-07-18 Roger Sayle <roger@eyesopen.com>
1797 * expmed.c (expand_shift): Additionally check that the shift_cost
1798 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1799 before implementing a LSHIFT_EXPR as a sequence of additions.
1800 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1801 middle-end that DImode shifts need to be synthesized by expand.
1803 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1806 * tree-ssa-operands.c (access_can_touch_variable): Update
1808 Return true if ALIAS is .GLOBAL_VAR.
1810 2006-07-18 David Daney <ddaney@avtrex.com>
1812 * gcc.c (display_help): Fix typo in help text.
1814 2006-07-18 Olivier Hainque <hainque@adacore.com>
1816 * tree.h (categorize_ctor_elements): Adjust prototype and add
1817 descriptive comment, both in accordance with the interface change
1819 * varasm.c (constructor_static_from_elts_p): New function.
1820 Whether a constructor node is a valid static constant initializer
1821 if all its elements are.
1822 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1823 * output.h: Declare it.
1824 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1825 is a valid constant initializer instead of computing the number of
1826 non-constant elements. Use constructor_static_from_elts_p for this
1827 purpose. Replace the head comment with an indication that this is a
1828 helper for categorize_ctor_elements.
1829 (categorize_ctor_elements): Same interface change as for the _1
1830 helper. Former head comment from this helper moved here, adjusted to
1831 account for the interface changes.
1832 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1833 (all_zeros_p): Likewise.
1834 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1835 static versions of the constructor from the categorize_ctor_elements
1836 return value instead of the formerly computed number of non-constant
1839 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1841 * configure: Regenerate.
1842 * Makefile.in (build_libsubdir): New configure substitution
1843 (build_libobjdir): New variable.
1844 (BUILD_LIBIBERTY): Use it.
1846 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1849 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1851 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1854 * c-common.c (handle_weakref_attribute): Ignore attribute in
1855 the same conditions the alias attribute is ignored.
1857 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1859 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1860 (dbxout_begin_prologue): Increment scope_labelno.
1862 2006-07-17 Richard Henderson <rth@redhat.com>
1865 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1868 2006-07-17 Roger Sayle <roger@eyesopen.com>
1869 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1871 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1872 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1873 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1874 functions such as sbrk, write, etc.. Add function prototypes.
1875 Convert function declarations from K&R to ISO C. Cast pointers
1876 to "long" and "unsigned long" instead of "int" and "unsigned int".
1877 Convert tokens following #endif into comments.
1879 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1881 * invoke.texi: Remove mention of f77; Reformat table for
1882 inline parameter options correctly; mention that -malign-double
1883 is default on x86-64 targets.
1885 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1887 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1888 (convert_affine_scev, chrec_convert_aggressive): Use
1889 avoid_arithmetics_in_type_p. Do not check for the subtypes
1892 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1895 * optabs.c (expand_doubleword_shift): Wrap the call to
1896 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1898 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1901 * optabs.c (expand_binop): Pass next_methods rather than methods
1902 to expand_doubleword_shift.
1904 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1907 * tree.h (dump_addr): Declare.
1908 * print-tree.c (dump_addr): New function.
1909 (print_node_brief, print_node): Use it.
1910 * print-rtl.c (print_rtx): Likewise.
1911 * common.opt (-fdump-noaddr): New option.
1912 * doc/invoke.texi (-fdump-noaddr): Document.
1913 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1914 (ve_info_hash): Likewise.
1916 2006-07-13 Andrew Haley <aph@redhat.com>
1918 PR tree-optimization/19505
1919 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1920 edge leaving this block, make sure that the destination of this
1921 block has only one predecessor.
1923 2006-07-17 Richard Guenther <rguenther@suse.de>
1925 PR tree-optimization/28238
1926 * tree-inline.c (copy_bb): Check if we produced valid
1927 gimple copying and substituting a stmt. If not, gimplify
1930 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1932 * optabs.c (maybe_encapsulate_block): New function extracted from...
1933 (emit_libcall_block): ...here. Invoke it on the block of insns to
1934 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1935 (emit_no_conflict_block): Likewise.
1937 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1939 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1941 2006-07-15 Roger Sayle <roger@eyesopen.com>
1943 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1944 a new NOP_EXPR case of the switch statement.
1946 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1949 * stor-layout.c (place_field): Take the bit field with
1950 an excessive size into account in the ms-bitfiled case.
1953 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1954 the previous bit field.
1956 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1959 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1961 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1963 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1964 signal frames correctly even when the signal was installed with
1967 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1969 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1970 (dbxout_function_end): Use local label LFBB. Remove hook
1972 (dbxout_source_line): Use local label LFBB.
1973 (dbxout_block): Likewise.
1974 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1975 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1976 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1977 and DBX_OUTPUT_NFUN.
1979 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1981 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1983 2006-07-13 Jan Hubicka <jh@suse.cz>
1985 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1987 * output.h (align_variable): Declare.
1988 * varasm.c (align_variable): Export.
1989 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1990 when basic block changed.
1992 2006-07-13 Nick Clifton <nickc@redhat.com>
1994 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1995 walking the LOG_LINKS chain.
1997 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1999 * doc/invoke.texi (C++ Dialect Options): Explain difference
2000 between -fvisibility-inlines-hidden and setting hidden
2001 visibility explicitly.
2003 2006-07-12 Eric Christopher <echristo@apple.com>
2005 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2006 (stmp-lipo): Depend on libgcc.a.
2008 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2010 * tree.c: Fix a comment typo.
2012 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2014 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2016 (umulhisi3_r): Likewise.
2018 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2021 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2022 x < 19, vs wchar_t support.
2024 2006-07-12 Nick Clifton <nickc@redhat.com>
2026 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2027 instead of -isa=sh4.
2029 2006-07-12 Mike Stump <mrs@apple.com>
2031 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2033 2006-07-10 Eric Christopher <echristo@apple.com>
2035 * config/t-slibgcc-darwin: Rewrite.
2037 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2040 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2043 2006-07-08 Matthias Klose <doko@debian.org>
2045 * doc/sourcebuild.texi: Fix typo.
2047 2006-07-07 Mike Stump <mrs@apple.com>
2049 * toplev.c (process_options): Don't give -ffunction-sections may
2050 affect debugging warning for Mach-O.
2052 2006-07-07 James E Wilson <wilson@specifix.com>
2054 * config/mips/mips.md (cpu): Add sb1a.
2055 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2056 addition to sb1. Adjust comments to clarify SB-1A differences from
2058 (ir_sb1a_load): New. Modify bypasses to use it.
2059 (ir_sb1a_simple_alu): Likewise.
2060 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2061 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2062 (mips_issue_rate): Add PROCESSOR_SB1A.
2063 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2064 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2065 (TARGET_SB1): Add PROCESSOR_SB1A check.
2066 (TUNE_SB1): Likewise.
2068 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2069 * config/mips/mips.c (mips_store_data_bypass_p): New.
2070 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2071 store_data_bypass_p.
2073 2006-07-08 Paul Brook <paul@codesourcery.com>
2076 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2078 2006-07-07 Richard Guenther <rguenther@suse.de>
2081 * tree.h (build_one_cst): Declare.
2082 * tree.c (build_one_cst): New function.
2083 * tree-ssa-math-opts.c (get_constant_one): Remove.
2084 (insert_reciprocals): Use build_one_cst.
2085 * fold-const.c (fold_plusminus_mult): Likewise.
2087 2006-07-07 Roger Sayle <roger@eyesopen.com>
2089 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2090 * cfgloopanal.c (dump_graph): Likewise.
2091 * dojump.c (discard_pending_stack_adjust): Likewise.
2092 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2094 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2095 * function.c (finalize_block_changes): Likewise.
2096 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2097 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2098 * rtl.c (dump_rtx_statistics): Likewise.
2099 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2101 * varray.c (dump_varray_statistics): Likewise.
2102 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2103 decode_decimal64, encode_decimal128, decode_decimal128,
2104 decimal_real_to_decimal): Likewise.
2106 2006-07-07 Richard Guenther <rguenther@suse.de>
2108 PR tree-optimization/28187
2109 * tree-vrp.c (vrp_operand_equal_p): New function.
2110 (vrp_bitmap_equal_p): Likewise.
2111 (update_value_range): Use them to compare old and new
2114 2006-07-06 Roger Sayle <roger@eyesopen.com>
2116 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2117 a default case to switch statement to silence compiler warnings.
2119 2006-07-06 Roger Sayle <roger@eyesopen.com>
2122 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2123 the configured assembler supports the x87's ffreep mnemonic.
2124 * configure: Regenerate.
2125 * config.in: Regenerate.
2127 * config/i386/i386.c (output_387_ffreep): New function.
2128 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2129 (output_387_reg_move): Likewise.
2131 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2133 Port to hosts whose 'sort' and 'tail' implementations
2134 treat operands with leading '+' as file names, as POSIX
2135 has required since 2001. However, make sure the code still
2136 works on pre-POSIX hosts.
2137 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2138 which says you should use "tail -c +N" rather than "tail +Nc".
2139 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2141 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2143 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2146 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2149 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2150 PRE_{INC,DEC} of TFmode.
2152 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2153 Alan Modra <amodra@bigpond.net.au>
2156 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2159 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2162 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2163 Remove duplicate gtu.
2165 2006-07-05 Jason Merrill <jason@redhat.com>
2169 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2170 * c-common.c (handle_packed_attribute): So don't copy it here.
2171 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2173 2006-07-05 Mike Stump <mrs@apple.com>
2175 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2177 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2180 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2182 2006-07-05 Richard Guenther <rguenther@suse.de>
2185 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2186 TARGET_SSE2 targets if using SSE math.
2187 (*absdf2_1): Likewise.
2189 2006-07-05 Richard Guenther <rguenther@suse.de>
2191 PR tree-optimization/28162
2192 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2193 make sure to convert the operands to the correct type.
2195 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2197 PR tree-optimization/28218
2199 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2200 to calculate and free the dominator information.
2202 2006-07-04 Peter O'Gorman <peter@pogma.com>
2204 * mklibgcc.in: chmod 644 before ranlib during install.
2206 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2207 J"orn Rennecke <joern.rennecke@st.com>
2209 * configure.ac (.eh_frame data check): Use diff -b.
2211 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2214 * Makefile.in (BUILD_RTL): Add build/vec.o.
2215 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2216 (build/genextract): Delete.
2217 (build/genautomata): Likewise.
2219 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2222 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2223 128-bit IBM long doubles for ABI_V4.
2225 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2227 * tree.c (range_in_array_bounds_p): New predicate.
2228 * tree.h (range_in_array_bounds_p): Declare it.
2229 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2230 return a less conservative answer.
2231 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2232 and flag 'is_group'.
2233 (IS_ELEMENT_FOR_GROUP): New macro.
2234 (FOR_EACH_ACTUAL_CHILD): Likewise.
2235 (next_child_for_group): New helper function.
2236 (can_completely_scalarize_p): Take into account groups.
2237 (sra_hash_tree): Handle RANGE_EXPR.
2238 (sra_elt_eq): Likewise.
2239 (lookup_element): Be prepared for handling groups.
2240 (is_valid_const_index): Delete.
2241 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2242 instead of is_valid_const_index.
2243 <ARRAY_RANGE_REF>: New case.
2244 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2245 is_valid_const_index.
2246 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2247 (scan_dump): Dump info for groups too.
2248 (decide_instantiation_1): Likewise.
2249 (decide_block_copy): Assert that the element is not a group.
2250 Propagate decision to groups.
2251 (generate_one_element_ref): Handle RANGE_EXPR.
2252 (mark_no_warning): Iterate over actual childs.
2253 (generate_copy_inout): Likewise.
2254 (generate_element_copy): Likewise.
2255 (generate_element_zero): Likewise.
2256 (generate_element_init_1): Likewise.
2257 (dump_sra_elt_name): Handle RANGE_EXPR.
2259 2006-07-03 Roger Sayle <roger@eyesopen.com>
2261 PR tree-optimization/26251
2262 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2263 (thread_block): When optimizing for size refuse to thread jumps
2264 that would require duplication of blocks other than redirection
2267 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2269 * configure.ac: Fix thinko in previous check-in.
2270 * configure: Regenerate.
2272 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2275 * configure.ac (for lang...): Simplify nesting of conditionals.
2276 Test subdir_requires for non-enabled languages. Move processing
2277 of lang_opt_files and lang_tree_fiels below that test.
2278 * configure: Regenerate.
2279 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2281 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2283 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2285 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2287 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2290 2006-06-29 Jason Merrill <jason@redhat.com>
2297 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2298 * c-common.c (c_determine_visibility): Handle it here.
2299 * c-decl.c (finish_decl): Call c_determine_visibility for
2301 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2303 * varasm.c (default_assemble_visibility): Likewise.
2304 * c-common.c (handle_visibility_attribute): Complain about trying
2305 to give visibility to an already defined class, or trying to change
2306 declared visibility. Always attach the attribute.
2311 * attribs.c (decl_attributes): Ignore type-in-place attributes
2312 once the type has been defined.
2314 2006-06-29 Roger Sayle <roger@eyesopen.com>
2317 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2318 to indicate the cpplib has issued an error message for us.
2320 2006-06-29 Asher Langton <langton2@llnl.gov>
2323 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2324 insert a label at the end of an function under Mach-O.
2326 2006-06-29 Eric Christopher <echristo@apple.com>
2327 Evan Cheng <evan.cheng@apple.com>
2329 * predicates.md (vector_all_ones_operand): New.
2330 (nonimmediate_or_sse_const_operand): Ditto.
2331 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2332 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2333 (standard_sse_mode_p): Ditto.
2334 (standard_sse_constant_p): Add case for -1 vector.
2335 (ix86_expand_vector_move): Try to use.
2336 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2337 Call standard_sse_constant_opcode.
2338 (*movv4sf_internal): Ditto.
2339 (*movv2df_internal): Ditto.
2341 2006-06-29 Roger Sayle <roger@eyesopen.com>
2343 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2344 of XEXP to extract the operands of a MATCH_CODE rtx.
2346 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2348 * tree.c (tree_size): Do not waste tail padding in
2349 struct tree_string and make the size be the same as
2350 build_string will generate.
2352 2006-06-28 Jason Merrill <jason@redhat.com>
2355 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2356 may_aliases already in the tag's annotations to the bitmap.
2358 2006-06-28 Roger Sayle <roger@eyesopen.com>
2360 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2362 2006-06-28 Roger Sayle <roger@eyesopen.com>
2364 * genpreds.c (generate_switch_p): New function.
2365 (add_mode_tests): Push the new mode test down inside an AND expr
2366 if this allows the switch-suitable MATCH_CODE to be near the root.
2367 (write_match_code_switch): New function to write a MATCH_CODE as
2369 (write_predicate_stmts): New function to write a predicate RTX
2370 expression as a sequence of statements.
2371 (write_one_predicate_function): Use write_predicate_stmts.
2372 (write_tm_constrs_h): Likewise.
2374 2006-06-26 Fred Fish <fnf@specifix.com>
2376 * config/mips/t-sb1: New file.
2377 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2380 2006-06-26 DJ Delorie <dj@redhat.com>
2382 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2384 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2385 Jayant Sonar <jayants@kpitcummins.com>
2386 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2388 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2389 (subsi3, subsi3_1, subsi3_2): New.
2390 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2391 * config/m32c/mov.md (SI mov peephole): New.
2392 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2393 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2395 2006-06-26 Olivier Hainque <hainque@adacore.com>
2397 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2398 a CALL_EXPR target function declaration.
2400 2006-06-26 Richard Guenther <rguenther@suse.de>
2402 * tree.c (build_string): Do not waste tail padding in
2405 2006-06-26 Richard Guenther <rguenther@suse.de>
2407 * ggc-page.c (init_ggc): Add missing element to size_lookup
2411 2006-06-23 Richard Guenther <rguenther@suse.de>
2413 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2414 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2415 alignment requests instead. Add verification code.
2416 Add struct tree_function_decl and struct tree_binfo size to
2417 extra_order_size_table. Add missing element to size_lookup
2420 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2423 * fold-const.c (const_binop): Be prepared for self returning zero.
2424 Simplify code handling complex values.
2426 2006-06-24 Olivier Hainque <hainque@adacore.com>
2428 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2429 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2432 2006-06-24 Olivier Hainque <hainque@adacore.com>
2434 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2435 ARRAY_REF, so have the callback called for the low bound expression.
2437 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2439 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2440 * c-typeck.c (c_common_type): Disallow operations on decimal float
2441 types and other float types.
2442 * convert.c (convert_to_real): Don't ignore conversions involving
2443 decimal float types.
2445 2006-06-23 Olivier Hainque <hainque@adacore.com>
2447 * tree.c (max_int_size_in_bytes): New function, inspired from
2448 code in function.c:assign_temp.
2449 * tree.h (max_int_size_in_bytes): Declare.
2450 * function.c (assign_temp): Use it.
2451 * gimplify.c (create_tmp_var): Relax the assertions on the type
2452 properties, not mandating constant size any more.
2453 (force_constant_size): New static function.
2454 (gimple_add_tmp_var): Use it, forcing variable size to a
2455 constant upper bound if it is not constant on entry.
2457 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2460 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2461 for initialization and setting of one_only flag to ...
2462 (i386_pe_encode_section_info): ...here.
2463 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2464 Recheck that the symbol has not been defined.
2466 2006-06-23 Richard Guenther <rguenther@suse.de>
2468 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2469 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2470 alignment requests instead. Add verification code.
2471 Add struct tree_function_decl and struct tree_binfo size to
2472 extra_order_size_table. Add missing element to size_lookup
2475 2006-06-22 Roger Sayle <roger@eyesopen.com>
2476 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2479 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2480 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2482 2006-06-23 Ben Elliston <bje@au.ibm.com>
2484 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2485 negate dn -- manipulate it directly.
2487 2006-06-22 Roger Sayle <roger@eyesopen.com>
2488 Steven Bosscher <stevenb.gcc@gmail.com>
2491 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2492 generated by gen_move_insn to add REG_LABEL notes if necessary.
2494 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2496 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2497 (leaf_entry): Remove use of MIN_ESA.
2499 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2501 PR rtl-optimization/28121
2502 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2505 2006-06-21 DJ Delorie <dj@redhat.com>
2507 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2509 (mulhisi3_r): Likewise.
2511 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2514 * coverage.c (coverage_counter_alloc): Leave the index type
2516 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2519 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2521 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2522 section from the "Options for Code Generation Conventions".
2524 2006-06-21 Richard Henderson <rth@redhat.com>
2528 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2530 (global_symbolic_operand): Allow weak symbols, even if local_p.
2532 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2534 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2535 (find_interesting_uses_address): Punt if above function returns true.
2537 2006-06-21 Richard Guenther <rguenther@suse.de>
2539 * configure: Regenerated.
2541 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2543 * config/mips/mips.c (function_arg): Where one part of a
2544 complex argument is in registers and the other part in the stack,
2545 return a REG not a PARALLEL.
2547 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2549 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2550 when cross-compiling. Do not substitute libstdcxx_incdir.
2551 * configure: Regenerated.
2553 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2555 * varasm.c (mergeable_string_section): Check for embedded NULs and
2556 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2557 rather than TREE_STRING_LENGTH bytes.
2559 2006-06-21 Richard Guenther <rguenther@suse.de>
2561 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2562 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2565 2006-06-21 Richrad Guenther <rguenther@suse.de>
2567 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2568 Limit iteration over the dominators.
2570 2006-06-20 Roger Sayle <roger@eyesopen.com>
2572 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2573 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2575 2006-06-20 Richard Guenther <rguenther@suse.de>
2576 Michael Matz <matz@suse.de>
2578 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2580 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2581 * et-forest.h (et_free_pools): Prototype new function.
2582 * et-forest.c (et_free_tree_force): Free parent occurrence.
2583 (et_free_pools): New function.
2584 * dominance.c (free_dominance_info): Free et-forest alloc
2587 2006-06-20 Roger Sayle <roger@eyesopen.com>
2589 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2590 integer modes, attempt to directly construct an integer constant.
2592 * fold-const.c (native_encode_vector): Determine the size of each
2593 element from the vector type instead of the first vector element.
2595 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2596 if all of its elements/components are constant.
2597 (build_constructor_from_list): Likewise.
2599 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2601 PR tree-optimization/27331
2602 * tree-data-ref.c (free_data_ref): New function.
2603 (create_data_ref): Fail if the data reference has unknown access
2605 (free_data_refs): Use free_data_ref.
2607 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2610 * tree-inline.c (setup_one_parameter): Strip useless
2611 type conversion before adding it to the IR.
2612 (declare_return_variable): Likewise.
2614 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2617 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2619 2006-06-19 Mike Stump <mrs@apple.com>
2621 * tree.c (variably_modified_type_p): VM arguments don't make the
2624 2006-06-19 Richard Guenther <rguenther@suse.de>
2626 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2627 type conversions after folding.
2629 2006-06-19 Richard Guenther <rguenther@suse.de>
2631 * ggc-page.c (extra_order_size_tab): Add entries with
2632 size of struct function and basic_block.
2633 (size_lookup): Extend to cover sizes up to 511.
2634 (ggc_alloc_stat): Adjust user.
2635 (ggc_pch_count_object): Likewise.
2636 (ggc_pch_alloc_object): Likewise.
2637 (ggc_pch_write_object): Likewise.
2639 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2641 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2642 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2645 2006-06-19 Denis Chertykov <denisc@overta.ru>
2647 * config/avr/libgcc.S : Correct my wrong previous commit.
2649 2006-06-19 Roger Sayle <roger@eyesopen.com>
2652 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2653 have stripped a SUBREG from the shift count, so we may need to
2654 convert_to_mode back to the type's mode before calling make_tree.
2655 Use new_amount instead of amount to avoid expanding a tree twice.
2657 2006-06-19 Richard Guenther <rguenther@suse.de>
2660 * fold-const.c (operand_equal_p): Check if the argument types
2661 have the same precision before stripping NOPs.
2663 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2665 Fix PR tree-optimization/27341
2666 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2668 * tree-complex.c (pass_lower_complex): Update SMT usage.
2670 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2672 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2673 Add a new alternative to the constraint strings. Add move of
2674 operand 1 to 3 to the splitter definition.
2675 ("doloop_si_long"): Second contraint alternative removed.
2677 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2679 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2680 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2682 (AVR_HAVE_MOVW) Define.
2683 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2684 (ASM_SPEC): Add avr25.
2685 (LINK_SPEC): Add avr25.
2686 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2687 (base_arch_s): Add new member 'have_movw_lpmx'.
2688 (avr_arch_types): Init 'have_movw_lpmx'.
2689 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2690 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2691 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2692 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2693 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2695 (avr_file_start): Do not output '.arh' derective.
2696 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2697 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2698 * config/avr/avr.md (mcu_enhanced): Delete.
2699 (mcu_have_movw): Define.
2700 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2701 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2702 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2703 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2704 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2705 attiny861 and at86rf401 devices.
2707 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2709 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2712 2006-06-17 Karl Berry <karl@gnu.org>
2714 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2715 doc/gccint.texi, doc/install.texi (@dircategory): Use
2716 "Software development" instead of "Programming", following
2717 the Free Software Directory.
2719 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2721 * config/i386/i386.c (legitimate_tls_address)
2722 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2723 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2724 (*tls_dynamic_gnu2_combine_64): Likewise.
2726 2006-06-16 Richard Guenther <rguenther@suse.de>
2729 * fold-const.c (negate_expr_p): Do not introduce undefined
2730 overflow in negating INTEGER_CSTs.
2731 (fold_negate_expr): Rename from negate_expr. Revert last
2732 change for folding BIT_NOT_EXPR. Change semantics to
2733 return NULL_TREE for non-simplified negations. Do not
2734 strip type conversions and unify type handling.
2735 (negate_expr): New function, wrap around fold_negate_expr
2736 but ensure building a tree always. Strip type conversions
2737 here, fold to result type.
2738 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2740 2006-06-16 Roger Sayle <roger@eyesopen.com>
2743 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2744 that (would) return their results in stack registers.
2746 2006-06-16 Michael Matz <matz@suse.de>
2747 Richard Guenther <rguenther@suse.de>
2749 * fold-const.c (fold_truthop): Only return new tree node if
2750 we canonicalized something.
2752 2006-06-16 Richard Guenther <rguenther@suse.de>
2754 * function.h (enum function_frequency): Move declaration
2755 out of struct function.
2756 (struct function): Move bool fields and the enum to the bitfield
2757 section. Reorder elements to avoid padding. Remove unused
2758 fields left over from the RTL inliner removal.
2759 * function.c (free_after_compilation): Do not zero removed fields.
2760 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2761 (ipa-type-escape.o): Likewise.
2763 2006-06-16 Richard Guenther <rguenther@suse.de>
2765 * cgraph.h (struct cgraph_local_info): Turn bool elements
2767 (struct cgraph_node): Likewise.
2768 (struct cgraph_varpool_node): Likewise.
2770 2006-06-15 Richard Guenther <rguenther@suse.de>
2772 * fold-const.c (fold_truth_not_expr): Rename from
2773 invert_truthvalue. Give it fold_* semantics to avoid
2775 (invert_truthvalue): New function. Wrapper around
2776 fold_truth_not_expr.
2777 (optimize_minmax_comparison): Avoid creating garbage.
2778 (fold_unary): Use fold_truth_not_expr for folding
2780 (fold_ternary): Replace uses of invert_truthvalue with
2781 fold_truth_not_expr where applicable.
2782 * tree.h (fold_truth_not_expr): Prototype.
2784 2006-06-16 Richard Guenther <rguenther@suse.de>
2786 PR tree-optimization/27781
2787 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2788 * ipa-pure-const.c (target.h): Include.
2789 (analyze_function): Do not analyze functions that do not
2792 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2795 * tree-dfa.c (referenced_vars_dup_list): Remove.
2796 (find_referenced_vars): Remove assert.
2797 (referenced_var_check_and_insert): Replace dup list with assert.
2798 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2799 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2801 2006-06-15 Richard Guenther <rguenther@suse.de>
2803 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2804 extra unused identifiers if not dumping.
2805 (create_variable_info_for): Likewise.
2807 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2809 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2810 (derive_constant_upper_bound): Derive more precise upper bound in
2811 common cases. Return type changed to double_int.
2812 (record_estimate): Reflect the changed return type of
2813 derive_constant_upper_bound.
2814 * double-int.c (double_int_zext, double_int_sext): Fix.
2816 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2818 * configure.ac (CFLAGS): Get them from the toplevel or from the
2819 configure invocation.
2820 * configure: Regenerate.
2821 * Makefile.in (CFLAGS): Substitute value provided by configure.
2823 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2826 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2827 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2828 rather than calling add_stmt on it.
2829 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2831 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2834 * reload1.c (reload): Remove registers returned by update_eliminables
2835 from used_spill_regs.
2837 2006-06-13 DJ Delorie <dj@redhat.com>
2839 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2841 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2843 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2844 html__strip_dir, html__mkdir_p. Enhance install-html target.
2845 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2846 * configure: Regenerate.
2848 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2850 * fold-const.c (fold_cond_expr_with_comparison): Check for
2851 Objective-C++ as language in deciding COND_EXPR transformation.
2853 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2856 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2857 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2858 * config/sh/lib1funcs.h (SL, SL1): Define.
2859 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2860 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2861 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2862 (OBJS_Os_4_200): New variable.
2863 ($(T)libgcc-Os-4-200.a): Use it.
2864 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2865 when dividing 1 and/or by 0.
2867 2006-06-13 Roger Sayle <roger@eyesopen.com>
2869 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2870 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2871 * configure: Regenerate.
2873 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2875 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2876 for real instruction.
2878 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2881 * haifa-sched.c (check_cfg): Handle special case.
2883 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2886 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2887 Add debug_info parameter. Chain the vars to the BLOCK instead
2888 of the BIND_EXPR if debug info are requested for them.
2889 (pop_gimplify_context): Adjust for above change.
2890 (gimple_add_tmp_var): Likewise.
2891 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2893 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2894 (convert_local_reference): Likewise.
2895 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2896 (finalize_nesting_tree_1): Request that debug info be emitted
2897 for debug_var_chain.
2899 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2901 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2902 for PR target/27863.
2904 2006-06-13 Richard Guenther <rguenther@suse.de>
2907 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2909 2006-06-13 Richard Guenther <rguenther@suse.de>
2911 PR tree-optimization/27830
2912 * tree-inline.c (copy_body_r): For copying the operand
2913 of an ADDR_EXPR make sure to fold &* afterwards.
2915 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2917 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2918 lvalues in the fb_none case with side-effects.
2920 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2922 * tree-flow.h: Remove the prototype for
2923 compute_phi_arg_on_exit.
2924 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2925 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2928 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2930 * builtins.c (expand_builtin_return_addr): Only use
2931 frame_pointer_rtx when count == 0 and we are expanding
2932 __builtin_return_address.
2934 2006-06-12 Fred Fish <fnf@specifix.com>
2936 * config/mips/mips.c (mips_file_start): Create special section
2937 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2939 2006-06-11 Eric Christopher <echristo@apple.com>
2942 * stor-layout.c (place_field): Remove check for
2943 remaining_in_alignment when aligning at the end of a run.
2945 2006-06-11 Eric Christopher <echristo@apple.com>
2948 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2951 2006-06-11 Roger Sayle <roger@eyesopen.com>
2954 Revert incorrect fix for PR target/27158
2955 2006-05-08 Roger Sayle <roger@eyesopen.com>
2956 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2957 of a reg_equiv_constant if the result is a legitimate constant.
2959 2006-06-11 Roger Sayle <roger@eyesopen.com>
2962 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2963 extract a CONST_VECTOR element and interpret it as an integer.
2964 (vspltis_constant): Use const_vector_elt_as_int instead of the
2965 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2966 * config/rs6000/predicates.md (easy_vector_const): Consider
2967 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2969 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2972 * stor-layout.c (update_alignment_for_field): Don't add extra
2973 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2976 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2978 * config/mips/t-rtems: Add EL/EB multilib variants.
2980 2006-06-09 Mike Stump <mrs@apple.com>
2982 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2984 2006-06-09 David Daney <ddaney@avtrex.com>
2986 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2988 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2990 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2992 2006-06-09 Richard Guenther <rguenther@suse.de>
2994 PR tree-optimization/26998
2995 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2996 of signed types, only TYPE_MIN_VALUE is special, but for both,
2997 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2998 in this case, as is -fwrapv.
3000 2006-06-08 Mike Stump <mrs@apple.com>
3003 * config/darwin.c (darwin_asm_output_anchor): Disable
3004 -fsection-anchors on darwin for now.
3005 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3006 * rs6000/rs6000.c (optimization_options): Likewise.
3008 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3011 * config/i386/i386.c (classify_argument): Skip fields with invalid
3014 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3016 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3017 (cse_insn): Likewise for the stack_pointer_rtx.
3019 2006-06-08 Roger Sayle <roger@eyesopen.com>
3021 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3022 conditions from floating point comparisons.
3024 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3027 * expmed.c (struct alg_hash_entry): Fix type of field T
3028 to match synth_mult argument.
3029 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3031 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3034 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3037 2006-06-08 Richard Guenther <rguenther@suse.de>
3040 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3041 only, if overflow is defined and not trapping.
3042 (negate_expr): Likewise.
3044 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3046 PR tree-optimization/27872
3047 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3048 flag on the new exit edge of the unrolled loop.
3050 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3052 PR rtl-optimization/26449
3053 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3055 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3058 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3059 referenced_variables with matching DECL_UID's.
3060 (find_referenced_vars): Make sure duplicate list is empty to start.
3061 (referenced_var_p): Remove.
3062 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3063 Check if var is in the list, and add if needed. Update the duplicate
3064 list if a different var is in the list with the same DECL_UID.
3065 (add_referenced_var): Call routine to check and insert.
3066 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3067 * tree-flow.h (referenced_vars_dup_list): External declaration.
3069 2006-06-07 Fred Fish <fnf@specifix.com>
3071 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3074 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3077 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3078 the imaginary and real parts of a clobbered register.
3079 Emit insn to set the imaginary part.
3081 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3083 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3084 in lieu of unwind-dw2-fde.c.
3086 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3088 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3090 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3093 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3094 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3095 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3096 V4SImode temporaries and operations instead.
3098 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3100 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3103 2006-06-06 Mike Stump <mrs@apple.com>
3105 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3106 installing during build.
3108 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3110 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3112 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3113 * config/ia64/ia64.c (params.h): New header.
3114 (ia64_optimization_options): New function to adjust parameters.
3115 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3116 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3117 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3119 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3121 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3123 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3126 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3128 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3129 Victor Kaplansky <victork@il.ibm.com>
3131 PR tree-optimization/26360
3132 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3135 2006-06-04 Roger Sayle <roger@eyesopen.com>
3136 Andrew Pinski <pinskia@physics.uc.edu>
3139 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3140 for LABEL_DECL before calling DECL_WEAK.
3143 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3144 LABEL_DECL and PARM_DECL.
3146 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3150 * c-decl.c (grokdeclarator): Disallow variably modified types at
3151 file scope. Avoid marking shared array type of constant size as
3154 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3157 * c-common.c (fold_offsetof_1): Handle static members.
3159 2006-06-04 Eric Christopher <echristo@apple.com>
3161 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3162 (debug_rli): Output value for remaining_in_alignment.
3163 (update_alignment_for_field): Unconditionalize
3164 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3165 extra alignment code.
3166 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3167 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3168 * tree.h (record_layout_info_s): Remove prev_packed.
3169 * doc/extend.texi (ms_struct): Add documentation of format.
3171 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3173 * tree.h: Declare folding_initializer.
3174 * builtins.c (fold_builtin_constant_p): Give definite answer
3175 if folding inside an initializer.
3176 * fold-const.c: Define folding_initializer.
3177 (START_FOLD_INIT): Save and then set folding_initializer.
3178 (END_FOLD_INIT): Restore folding_initializer.
3180 2006-06-04 Richard Guenther <rguenther@suse.de>
3182 PR tree-optimization/27039
3183 * fold-const.c (fold_comparison): Handle pointer comparison
3184 again for all comparison codes. Compare offsets in signed
3186 (fold_binary): Move code from here.
3188 2006-06-03 Roger Sayle <roger@eyesopen.com>
3191 * config/i386/i386.c (construct_container): Split static issued_error
3192 flag into issued_sse_arg_error, issued_sse_ret_error and
3193 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3194 requires the use of x87 registers and the user explicitly
3195 specified the -mno-80387 command line option.
3197 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3199 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3200 HAVE_DECL_SIGALTSTACK.
3202 (segv_handler): Use MC_FLD.
3203 * configure.ac: Check for a sigaltstack declaration.
3204 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3205 * configure: Regenerate.
3206 * config.in: Regenerate.
3208 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3211 * Makefile.in (stmp-fixinc): Fix typo.
3213 2006-06-02 Roger Sayle <roger@eyesopen.com>
3215 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3216 are type correct. Clean-up.
3217 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3218 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3220 2006-06-01 DJ Delorie <dj@redhat.com>
3222 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3223 shift, as we've disabled the "switch" insn that needs it.
3225 2006-06-01 Per Bothner <bothner@bothner.com>
3227 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3228 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3229 * c-ppoutput.c (cb_define): Don't increment line 0.
3231 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3233 * doc/invoke.texi: Add cpu_type power6.
3234 * config.gcc: Add cpu_type power6.
3235 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3236 to power5+ with Altivec.
3237 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3238 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3240 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3242 * config/avr/avr.h (SET_ASM_OP): Define.
3244 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3246 * config/bfin/bfin.c: Fix comment typos.
3248 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3251 * doc/install.texi: Document --enable-bootstrap and
3252 --disable-bootstrap.
3254 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3256 * doc/install.texi: Document that InfoZIP can replace jar.
3258 2006-05-31 Roger Sayle <roger@eyesopen.com>
3260 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3261 isn't available, directly generate the simpler x87 patterns without
3262 the (use (const_int 0)).
3263 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3264 implementation isn't available.
3265 (*negdf2_1): Likewise.
3266 (*negxf2_1): XF mode negation is always done using the x87.
3267 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3269 2006-05-31 Roger Sayle <roger@eyesopen.com>
3271 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3272 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3274 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3276 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3278 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3279 * config/bfin/bfin.c (basic-block.h): Include.
3280 (struct machine_function): New.
3281 (bfin_init_machine_status): New.
3282 (override_options): Initialize init_machine_status.
3283 (bfin_hardware_loop): New.
3284 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3285 (DEF_VEC_P (loop_info)): New.
3286 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3287 (struct loop_info): New.
3288 (loop_info): New typedef.
3289 (struct loop_work): New.
3290 (loop_work): New typedef.
3291 (DEF_VEC_O (loop_work)): New.
3292 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3293 (bfin_dump_loops): New.
3294 (bfin_bb_in_loop): New.
3295 (bfin_scan_loop): New.
3296 (bfin_optimize_loop): New.
3297 (bfin_reorg_loops): New.
3298 (bfin_reorg): Use bfin_reorg_loops.
3299 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3301 (I_REGNO_P): Simplify.
3302 (DP_REGNO_P, DPREG_P): New macros.
3303 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3304 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3305 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3306 Add LT_REGS, LC_REGS, LB_REGS.
3307 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3309 (REGNO_REG_CLASS): Deal with loop registers.
3310 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3312 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3313 New constants for loop registers.
3314 (UNSPEC_LSETUP_END): New.
3315 (seq_insns): New define_attr. Set it for appropriate insns.
3316 (movsi_insn): Add alternatives for move from/to
3317 loop count registers.
3318 (doloop_end): New define_expand.
3319 (loop_end): New define_insn.
3320 (define_split for bad doloop_end): New.
3321 (lsetup_with_autoinit): New define_insn.
3322 (lsetup_without_autoinit): New define_insn.
3323 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3324 * config/bfin/predicates.md (lc_register_operand): New.
3325 (lt_register_operand): New.
3326 (lb_register_operand): New.
3327 (nondp_register_operand): New.
3328 (nondp_reg_or_memory_operand): New.
3329 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3331 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3333 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3334 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3336 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3338 * Makefile.in (CATALOGS): Add po/ prefix.
3339 * configure: Regenerated.
3341 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3344 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3345 a shift operand before calling shift_op. Avoid redundant call of
3348 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3349 DJ Delorie <dj@redhat.com>
3351 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3352 we're inserting is a singlt-bit constant.
3354 2006-05-30 Roger Sayle <roger@eyesopen.com>
3356 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3357 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3359 2006-05-30 Roger Sayle <roger@eyesopen.com>
3361 PR tree-optimization/23452
3362 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3363 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3364 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3365 complex values and with -ffast-math for FP complex values.
3367 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3369 * c-common.h: Remove the prototype for yyparse.
3370 * rtl.h: Remove the prototype for init_loop.
3372 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3374 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3377 2006-05-30 Roger Sayle <roger@eyesopen.com>
3379 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3381 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3382 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3384 2006-05-30 Dirk Mueller <dmueller@suse.de>
3387 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3388 for CONSTANT_CLASS_P expresisons.
3390 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3393 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3395 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3397 PR tree-optimization/27779
3398 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3399 initial_condition instead of CHREC_LEFT.
3401 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3403 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3404 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3405 Make prototypes ISO C90.
3407 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3408 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3410 * see.c (see_analyze_one_def): Correct check.
3411 (see_get_extension_data): Check if extension is parallel.
3412 (see_get_extension_reg): Likewise.
3414 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3417 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3418 into register for (code == GTU).
3420 2006-05-29 Roger Sayle <roger@eyesopen.com>
3422 PR tree-optimization/24964
3423 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3424 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3425 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3426 abs(x)*abs(x) as x*x for scalar floating point modes.
3428 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3431 * lambda-code.c (perfect_nestify): Don't copy statements
3432 in the inner loop: move them to the inner loop header.
3434 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3437 * c-tree.texi: Document OpenMP directives and clauses.
3439 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3441 * varasm.c (globalize_decl): Fix indentation.
3443 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3446 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3447 pass_fre, pass_store_ccp, pass_copy_prop,
3448 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3449 pass_return_slot, pass_object_size, pass_lim,
3450 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3451 pass_loop_prefetch and pass_stdarg.
3453 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3455 * config/bfin/bfin.opt (mfdpic): New option.
3456 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3457 (EXTRA_MULTILIB_PARTS): Likewise.
3458 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3459 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3461 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3462 (CRT_CALL_STATIC_FUNCTION): New.
3463 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3465 (CRT_CALL_STATIC_FUNCTION): New.
3466 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3468 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3469 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3470 (initialize_trampoline): Changed to handle FD-PIC code generation.
3471 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3472 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3473 (override_options): Disallow -mid-shared-library -mfdpic combination.
3474 Can't do unaligned ops if FD-PIC.
3475 Turn off flag_pic if trying to generate non-id-shared-library
3476 non-fdpic code, since it's not supported.
3477 (bfin_assemble_integer): New function.
3478 (TARGET_ASM_INTEGER): Define.
3479 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3481 * config/bfin/crtn.s: Restore them.
3482 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3484 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3485 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3486 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3487 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3488 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3490 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3491 FDPIC_REGS and FDPIC_FPTR_REGS.
3492 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3493 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3494 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3495 (load_funcdescsi): New pattern.
3496 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3497 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3498 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3500 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3502 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3505 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3507 * tree-flow.h: Remove the prototype for add_type_alias.
3508 * tree-ssa-alias.c (add_type_alias): Remove.
3510 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3512 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3513 config/fr30/fr30.md, config/i386/i386-interix.h,
3514 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3515 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3516 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3517 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3518 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3519 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3520 Follow spelling conventions.
3521 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3522 Follow spelling conventions.
3524 2006-05-27 Richard Guenther <rguenther@suse.de>
3527 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3528 to produce a constant of value 1 of generic type.
3530 2006-05-27 Dirk Mueller <dmueller@suse.de>
3532 * cgraphunit.c (decide_is_function_needed): Fix wrong
3535 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3537 PR rtl-optimization/27661
3538 * reload.c (find_reloads): When reloading a VOIDmode constant
3539 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3540 use Pmode as mode of the reload register.
3542 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3544 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3545 is enabled at -O and above.
3547 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3550 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3553 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3556 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3557 for anonymous variables explicitly declared by front ends.
3559 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3561 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3562 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3563 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3564 ref-all pointers, run a finalization pass for them.
3565 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3566 (finalize_ref_all_pointers): New function.
3567 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3568 regular pointer type to a ref-all pointer type.
3569 (get_tmt_for): Return the special memory tag for ref-all pointers.
3571 2006-05-25 Richard Guenther <rguenther@suse.de>
3574 * fold-const.c (fold_binary): Do not look at the stripped
3575 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3577 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3579 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3580 for LT and GT if the computed range is effectively empty.
3582 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3585 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3586 mips_quad_format formats instead of ieee_single_format,
3587 ieee_double_format and ieee_quad_format formats, respectively.
3589 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3591 PR tree-optimization/27639
3592 PR tree-optimization/26719
3593 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3594 call to scev_probably_wraps_p.
3595 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3596 used_in_pointer_arithmetic_p, convert_step): Removed.
3597 (nowrap_type_p): New function.
3598 (scev_probably_wraps_p): Rewritten.
3599 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3600 chrec_convert if chrec_convert_aggressive might have been used.
3601 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3602 scev_direction): New functions.
3603 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3604 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3605 instead of convert_step.
3606 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3607 (convert_step): Declaration removed.
3608 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3610 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3612 * df-core.c: Added to header comments.
3613 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3614 df_ur_bb_info, df_urec_bb_info): Added comments.
3615 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3616 urec, ri problems): Fixed header comments.
3617 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3618 code from df_rd_transfer_function.
3620 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3622 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3623 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3624 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3626 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3628 * expr.c (undefined_operand_subword_p): New.
3629 (emit_move_multi_word): Do not generate move from undefined bits
3630 of a paradoxical subreg.
3632 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3634 PR rtl-optimization/27736
3635 * combine.c (replaced_rhs_value): New variable.
3636 (combine_instructions): Set it.
3637 (distribute_notes): When distributing a note in replaced_rhs_insn,
3638 check whether the value was used in replaced_rhs_value.
3640 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3643 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3644 add_referenced_var instead of add_referenced_tmp_var.
3645 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3646 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3648 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3649 tree_optimize_tail_calls_1): Use add_referenced_var.
3650 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3651 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3652 Use add_referenced_var.
3653 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3654 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3655 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3656 Use add_referenced_var.
3657 * tree-dfa.c (struct walk_state): Remove.
3658 (find_referenced_vars): Remove walk state and vars_found hash table.
3659 (make_rename_temp): Use add_referenced_var.
3660 (find_vars_r): Pass less parameters to add_referenced_var.
3661 (referenced_var_p): New. Is var in referenced_var hash table.
3662 (referenced_var_insert): Assert var isn't already in hash table.
3663 (add_referenced_var): Don't need walk_state parameter. Add var if it
3664 isn't already in the hash table.
3665 (add_referenced_tmp_var): Remove.
3666 (find_new_referenced_vars_1): Use add_referenced_var.
3667 * tree-ssa-pre.c (create_expression_by_pieces,
3668 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3669 Use add_referenced_var.
3670 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3671 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3672 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3674 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3675 vect_create_data_ref_ptr, vect_create_destination_var,
3676 vect_init_vector, vect_build_loop_niters,
3677 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3678 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3679 Use add_referenced_var.
3680 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3681 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3682 (add_referenced_var): Add prototype.
3683 * tree-ssa-structalias.c (get_constraint_for,
3684 intra_create_variable_infos): Use add_referenced_var.
3686 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3688 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3689 big-endian paradoxical subregs.
3690 * var-tracking.c (struct micro_operation_def): Document that,
3691 for modify micro operations, insn is the subsequent instruction.
3692 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3693 (var_reg_set, var_mem_set): ... new functions.
3694 (add_stores): Record subsequent insn.
3695 (compute_bb_dataflow): Use new functions for MO_USE.
3696 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3697 notes after the insn, and modify notes before the insn known
3698 to be the subsequent one.
3699 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3701 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3704 * config/i386/i386.c (ix86_expand_builtin): Use
3705 gen_sse3_monitor64 for TARGET_64BIT.
3707 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3709 PR rtl-optimization/26375
3710 PR rtl-optimization/26855
3711 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3713 (df_ru_bb_local_compute): Reversed statements and removed bogus
3714 comment explaining why they should be in wrong order.
3715 (df_ru_dump, df_rd_dump): Enhanced debug info.
3716 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3718 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3719 reaching uses and fixed space problem.
3721 2006-05-23 Jan Hubicka <jh@suse.cz>
3723 * cgraphunit.c (decide_is_function_needed): Also nested functions
3724 and functions declared inline can be optimized out at -O0.
3726 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3728 * doc/install.texi (Configuration): Remove reference to CrossGCC
3732 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3735 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3736 ix86_compare_emitted is non-NULL.
3738 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3741 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3744 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3746 PR rtl-optimization/25514
3747 * combine.c (replaced_rhs_insn): New variable.
3748 (combine_instructions): Set replaced_rhs_insn when trying to replace
3749 a SET_SRC with a REG_EQUAL note.
3750 (distribute_notes): Use replaced_rhs_insn when determining the live
3751 range of a REG_DEAD register.
3753 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3754 Anatoly Sokolov <aesok@post.ru>
3756 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3757 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3758 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3759 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3760 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3761 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3762 at90usb647, at90usb1286 and at90usb1287 devices.
3763 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3764 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3766 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3768 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3770 2006-05-22 Richard Guenther <rguenther@suse.de>
3773 2006-01-31 Richard Guenther <rguenther@suse.de>
3774 Paolo Bonzini <bonzini@gnu.org>
3776 * doc/install.texi (--disable-libgcc-math): Document.
3778 2006-05-22 Richard Guenther <rguenther@suse.de>
3781 2006-01-31 Richard Guenther <rguenther@suse.de>
3783 * doc/invoke.texi (-msselibm): Document.
3784 * target.h (expand_library_builtin): New target hook.
3785 * builtins.c (expand_builtin): Use expand_library_builtin.
3786 (default_expand_library_builtin): New function.
3787 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3788 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3789 (link_gcc_math_spec): Declare.
3790 (static_specs): Add link_gcc_math_spec.
3791 * expr.h (default_expand_library_builtin): Declare.
3792 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3793 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3794 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3795 * config/i386/i386.opt (msselibm): New target option.
3796 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3797 (ix86_init_sse_abi_builtins): New function.
3798 (ix86_expand_library_builtin): Likewise.
3799 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3800 (override_options): Handle error conditions wrt -msselibm.
3801 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3802 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3803 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3806 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3809 * c-common.c (self_promoting_args_p): Skip erroneous args.
3812 * c-decl.c (finish_struct): Skip erroneous fields.
3814 2006-05-22 Nick Clifton <nickc@redhat.com>
3816 * config/cris/cris.opt (march): Remove VarExists attribute.
3817 (max-stackframe=): Likewise.
3819 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3821 * doc/rtl.texi: Fix a typo.
3822 * see.c: Fix comment typos.
3824 * tree-ssa-structalias.h (alias_info): Remove num_references.
3826 2006-05-21 Mike Stump <mrs@apple.com>
3828 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3830 (darwin_pragma_options): Use BAD instead.
3831 (darwin_pragma_unused): Likewise.
3832 (darwin_pragma_ms_struct): Likewise.
3834 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3836 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3838 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3840 PR rtl-optimization/27671
3841 * simplify-rtx.c (simplify_relational_operation_1): Fix
3842 simplifications of (eq/ne (xor x y) y) and
3843 (eq/ne (xor x y) x).
3845 PR tree-optimization/26622.
3846 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3849 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3851 * tree-cfg.c: Prune whitespace.
3852 (debug_tree_cfg): Point to correct header containing the
3855 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3858 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3860 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3863 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3864 or sorry count is non zero.
3866 2006-05-20 Andreas Schwab <schwab@suse.de>
3868 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3870 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3871 Kenneth Zadeck <zadeck@naturalbridge.com>
3873 PR rtl-optimization/26855
3875 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3877 (df_scan_alloc): Added code to properly handle multiword hard
3878 registers and add all_blocks parameter.
3879 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3880 code to properly handle multiword hard registers.
3881 (df_rescan_blocks): Added code to remove deleted blocks from
3883 (df_ref_create_structure, df_ref_record): Added code to properly
3885 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3886 and set DF_REF_PARTIAL.
3887 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3888 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3889 (df_scan_add_problem): Added flags parameter.
3890 (df_ref_create_structure): Changed switching structure.
3891 (df_bb_refs_record): Fixed case where duplicate artificial refs
3892 were created. Changed location of flags.
3893 (df_record_entry_block_defs): Added code to make stack pointer
3894 live in entry block. Refined cases where frame pointer is needed.
3895 Changed location of flags.
3896 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3897 (df_set_state): Removed function.
3898 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3899 df_insn_create_insn_record, df_insn_refs_delete,
3900 df_ref_create_structure): Formatting changes.
3901 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3902 df_delete_basic_block): New function.
3903 (df_init): Changed location of flags.
3904 (df_add_problem): Added flags parameter and the way flags are
3906 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3907 debug_df_chain): Improved debugging output.
3908 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3909 (df_refs_chain_dump): Removed df parameter.
3910 (df_iterative_dataflow): Added consistency check.
3911 (df_prune_to_subcfg): Made public.
3912 (df_analyze_problem): Added blocks_to_init parameter and made
3914 (df_ref_record, df_bb_refs_record, df_mark_reg,
3915 df_record_exit_block_uses): Whitespace changes.
3916 (df_dump): Whitespace changes.
3917 * df.h: Some reordering to remove forward references.
3918 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3919 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3920 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3921 (dataflow.flags): New field.
3922 (df.flag): Deleted field.
3923 (df_alloc_function): Added additional bitmap parameter.
3924 (df_dependent_problem_function): New type.
3925 (df_problem.changeable_flags): New field.
3926 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3927 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3928 (df_mw_hardreg): New struct.
3929 (DF_INSN_UID_MWS): New macro.
3930 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3932 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3933 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3934 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3935 (df_set_state): Removed function.
3936 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3937 * df-problems.c (df_chain_dump): Removed df parameter.
3938 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3939 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3941 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3942 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3943 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3944 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3945 DF_REF_MUST_CLOBBER cases.
3946 (df_ru_bb_local_compute_process_def,
3947 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3948 df_lr_bb_local_compute, df_ur_bb_local_compute,
3949 df_chain_create_bb): Made subreg aware.
3950 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3951 df_lr_bb_local_compute, df_lr_bb_local_compute,
3952 df_chain_create_bb): Cleanup to use proper macros.
3953 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3954 code to fixup bitvectors.
3955 (df_ri_alloc): Cleared lifetime.
3956 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3957 df_create_unused_note): New function.
3958 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3959 REG_DEAD and REG_UNUSED notes as well as register information.
3960 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3961 df_chains_dump): Fixed crash if problem was never run.
3962 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3963 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3964 df_ri_add_problem): Processes flags in uniform manner.
3965 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3966 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3967 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3968 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3969 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3970 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3971 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3972 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3973 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3974 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3975 * see.c (see_initialize_data): Ditto.
3976 * final.c (rest_of_clean_state) Added regstack_completed.
3977 * rtl.h (regstack_completed): Ditto.
3978 * reg-stack.c (regstack_completed): Ditto.
3980 2006-05-19 Mike Stump <mrs@apple.com>
3982 * c-tree.h (default_conversion): Remove.
3983 * c-common.h (default_conversion): Add.
3985 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3987 * tree-vrp.c (valid_value_p): New function.
3988 (adjust_range_with_scev): Fail if the value of bound is not
3991 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3993 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3994 (mips_fallback_frame_state): Use syscall numbers to determine
3995 the appropriate li instruction for the current ABI. Only use
3996 __NR_sigreturn for o32.
3998 2006-05-19 Nicolas Setton <setton@adacore.com>
4000 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4001 * langhooks.c (lhd_dwarf_name): New function.
4002 * langhooks-def.h (lhd_dwarf_name): Declare.
4003 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4004 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4005 * ada/misc.c (gnat_dwarf_name): New function.
4006 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4008 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4010 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4012 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4013 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4014 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4015 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4016 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4017 determine the size of Wtype, etc.
4018 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4019 (swfloatfuncs): New variable.
4020 (dwfloatfuncs): Likewise.
4021 (lib2funcs): Remove floating-point conversion functions from
4022 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4023 the set of conversion routines needed. Allow entries to specify
4024 an object name, filename and word size. Update users accordingly.
4025 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4026 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4030 2006-02-08 Roger Sayle <roger@eyesopen.com>
4033 * config/fixtfdi.c: New libgcc source file.
4034 * config/fixunstfdi.c: New source file.
4035 * config/floatditf.c: New source file.
4036 * config/floatunditf.c: New souce file.
4037 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4038 files above instead of config/mips/_tilib.c.
4039 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4041 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4043 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4044 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4046 2006-05-18 Mike Stump <mrs@apple.com>
4048 Fix up vla, vm and [*] sematics.
4054 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4055 (c_vla_unspec_p): Add.
4056 (c_vla_type_p): Add.
4057 * c-decl.c (struct c_scope): Add had_vla_unspec.
4058 (build_array_declarator): Add support for [*].
4059 (grokdeclarator): Likewise.
4060 (grokparms): Likewise.
4061 (get_parm_info): Likewise.
4062 * c-objc-common.c (c_vla_unspec_p): Likewise.
4063 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4064 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4065 typeof when argument is a variably modified type not inside sizeof or alignof.
4066 (c_parser_direct_declarator_inner): Propagate errors.
4067 (c_parser_sizeof_expression): Add support for [*].
4068 (c_parser_parms_declarator): Initialize had_vla_unspec.
4069 (c_parser_parms_list_declarator): Likewise.
4070 * c-typeck.c (c_vla_type_p): Add.
4071 (composite_type): Add support for vla compositing.
4072 (comptypes_internal): Add support for vla compatibility.
4073 (c_expr_sizeof_expr): Evaluate vla arguments.
4074 * tree.c (variably_modified_type_p): Update comment for [*].
4076 2006-05-18 Michael Matz <matz@suse.de>
4079 * config.host: Make assignments to host_xmake_file cumulative.
4080 * config.host (*-darwin*): Test $host, not $target.
4082 2006-05-12 Stuart Hastings <stuart@apple.com>
4084 * config/i386/i386.opt (-mstackrealign): New flag.
4085 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4086 (ix86_handle_cconv_attribute): Emit error when
4087 force_align_arg_pointer attribute collides with too many regparms.
4088 (ix86_function_regparm): Limit regparms when used with
4089 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4090 Support stack-realigning prologue in non-main functions. Emit
4091 warning for nested functions under -mstackrealign, emit error for
4092 nested functions with force_align_arg_pointer attribute.
4093 * doc/extend.texi (force_align_arg_pointer): Document it.
4094 * doc/invoke.texi (-mstackrealign): Document it.
4096 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4098 PR rtl-optimization/27477
4099 * combine.c (try_combine): Don't split a parallel consisting
4100 of two sets into two individual sets if both sets reference
4103 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4105 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4106 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4108 * doc/options.texi (VarExists): Updated.
4110 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4112 * unwind-dw2.c: Add declarations for uw_update_context and
4114 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4115 detected, advance frame state and context once to skip over stub.
4117 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4121 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4122 Call rewrite_into_loop_closed_ssa only when something changed.
4123 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4124 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4125 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4126 Test for perfect_nest_p here. Fix formating.
4127 (replace_uses_equiv_to_x_with_y): Fix formating.
4128 (stmt_uses_op): Removed.
4129 (can_convert_to_perfect_nest): Removed loopivs parameter.
4130 Complete the test by checking the scalar dependences.
4131 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4134 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4137 From Dan Kegel <dank@kegel.com>:
4138 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4140 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4142 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4143 if the element type is variably modified without recursing.
4145 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4148 * tree-loop-linear.c (try_interchange_loops): Test for
4149 no data dependences.
4151 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4153 PR tree-optimization/27548
4154 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4155 range of ssa names that appear on abnormal edges.
4156 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4157 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4159 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4162 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4164 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4167 * tree.h (OMP_PARALLEL_COMBINED): Define.
4168 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4169 (new_omp_context): Add is_combined_parallel argument.
4170 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4171 new_omp_context caller.
4172 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4173 Adjust gimplify_scan_omp_clauses callers.
4174 (omp_is_private): Issue errors if iteration variable is firstprivate
4175 or reduction in the current context.
4176 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4177 on combined parallel workshare constructs.
4179 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4181 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4182 (gcc-options.o): New rule.
4184 * optc-gen.awk: Protect variables for gcc-options.o with
4185 #ifdef GCC_DRIVER/#endif.
4187 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4189 Fix PR tree-optimization/27373
4190 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4191 (forward_propagate_addr_expr): Update call.
4193 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4195 * doc/options.texi: Move the Negative option.
4197 2006-05-16 Richard Guenther <rguenther@suse.de>
4199 PR tree-optimization/22303
4200 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4202 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4203 ccp_fold did not simplify the statement.
4205 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4208 * Makefile.in (GCC_OBJS): New.
4209 (OBJS-common): Add opts-common.o.
4210 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4211 (cpp$(exeext)): Likewise.
4212 (gcc.o): Also depend on opts.h.
4213 (opts-common.o): New.
4215 * common.opt (gcoff): Add Negative(gdwarf-2).
4216 (gdwarf-2): Add Negative(gstabs).
4217 (gstabs): Add Negative(gstabs+).
4218 (gstabs+): Add Negative(gvms).
4219 (gvms): Add Negative(gxcoff).
4220 (gxcoff): Add Negative(gxcoff+).
4221 (gxcoff+): Add Negative(gcoff).
4222 * config/i386/i386.opt (m32): Add Negative(m64).
4223 (m64): Add Negative(m32).
4225 * doc/options.texi: Document the Negative option.
4227 * gcc.c: Include "opts.h".
4228 (main): Call prune_options after expandargv.
4230 * optc-gen.awk: Generate common declarations for all flag
4231 variables in options.c. Output the neg_index field.
4233 * opts.c (find_opt): Moved to ...
4234 * opts-common.c: Here. New file.
4236 * opts.h (cl_option): Add a neg_index field.
4238 (prune_options): Likewise.
4240 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4243 * omp-low.c (expand_omp_parallel): Don't assert
4244 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4245 instead search for it.
4248 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4251 2006-05-16 Andreas Schwab <schwab@suse.de>
4253 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4256 2006-05-15 Roger Sayle <roger@eyesopen.com>
4259 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4260 integer constants other than zero are only legitimate on TARGET_64BIT.
4261 <CONST_VECTOR> Only zero vectors are legitimate.
4262 (ix86_cannot_force_const_mem): Integral and vector constants can
4263 always be put in the constant pool.
4265 2006-05-16 DJ Delorie <dj@redhat.com>
4267 * crtstuff.c (__dso_handle): Set section from
4268 TARGET_LBIGCC_SDATA_SECTION if defined.
4269 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4270 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4272 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4275 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4278 2006-05-16 Ben Elliston <bje@au.ibm.com>
4280 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4282 2006-05-15 Per Bothner <per@bothner.com>
4284 * tree.c: (last_annotated_node): Use source_locus typedef.
4285 This permits bootstrapping with --enable-mapped-location.
4287 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4289 PR tree-optimization/26830
4290 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4291 (info_for_ssa_name, current_info_for_ssa_name_age,
4292 blocks_to_update): New variables.
4293 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4294 (clear_ssa_name_info, initialize_flags_in_bb,
4295 mark_block_for_update): New functions.
4296 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4297 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4298 prepare_def_site_for): Use mark_block_for_update.
4299 (mark_def_interesting): Assert that the processed block is marked in
4300 blocks_to_update. Do not take blocks argument.
4301 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4303 (rewrite_update_init_block, rewrite_update_stmt): Only process
4304 blocks with statements to rewrite.
4305 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4306 (update_ssa): Initialize and free blocks_to_update. Do not
4307 clear flags on statements. Do not use blocks bitmap.
4308 * tree.h (SSA_NAME_AUX): Removed.
4309 (struct tree_ssa_name): Removed aux field.
4310 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4312 2006-05-15 Richard Guenther <rguenther@suse.de>
4314 PR tree-optimization/27603
4315 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4316 Do computations in original type.
4318 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4320 * see.c: Code style changes such as redundant paranthesis,
4321 redundant intialization of local variables etc.
4322 (see_main): Declared now as static.
4323 * doc/invoke.texi: Update that -fsee is not enabled by
4326 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4328 * omp-low.c (check_omp_nesting_restrictions): New function.
4329 (scan_omp_1): Call it.
4332 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4333 construct, return *VAR.
4335 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4337 PR rtl-optimization/27406
4338 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4341 2006-05-14 Roger Sayle <roger@eyesopen.com>
4343 PR rtl-optimization/27538
4344 * combine.c (expand_compound_operation): Call gen_lowpart
4345 before calling simplify_shift_const.
4347 2006-05-14 Roger Sayle <roger@eyesopen.com>
4349 PR rtl-optimization/22563
4350 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4351 a fixed width bitfield, always force the intermediates into psuedos.
4353 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4356 * mkconfig.sh: Use operator = instead of == for test.
4358 2006-05-13 Nick Clifton <nickc@redhat.com>
4360 * dwarf2out.c (dbx_reg_number): Check return value from
4361 LEAF_REG_REMAP and only use it if it is valid.
4362 (multiple_reg_loc_descriptor): Likewise.
4364 2006-05-13 Richard Guenther <rguenther@suse.de>
4366 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4369 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4371 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4372 information attached to non-INSNs such as NOTEs.
4373 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4375 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4377 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4379 * config/s390/s390.md: Adjust comment describing On constraint.
4381 2006-05-11 Jan Hubicka <jh@suse.cz>
4383 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4384 to be output at -O0.
4386 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4389 * fold-const.c (size_binop): Move sanity check for arguments to
4390 the beginning of the function.
4393 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4396 2006-05-11 Richard Guenther <rguenther@suse.de>
4399 * fold-const.c (fold_unary): Handle intermediate conversion
4400 to a pointer type like intermediate conversion to an integer
4401 type in folding of (T1)(T2)var to var.
4402 Match the code to the comment in the final conversion for
4403 (T1)(T2)var to (T1)var regarding to type precision. Rather
4404 than disallow T1 being of pointer type, assert that both T1
4405 and var are of pointer type or not. Make sure not to fall
4406 over the frontends lazyness wrt array to pointer decay though.
4408 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4410 * arm.c (arm_struct_value_rtx): Delete.
4411 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4412 (arm_init_cumulative_args): Always initialize nregs to zero.
4414 2006-05-10 Richard Guenther <rguenther@suse.de>
4416 PR tree-optimization/27532
4417 * tree-object-size.c (plus_expr_object_size): Fix typo.
4419 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4422 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4423 ashrdi_const, ashrdi3): Use a scratch register.
4425 2006-05-10 Richard Guenther <rguenther@suse.de>
4427 PR tree-optimization/27302
4428 * fold-const.c (operand_equal_p): For two comparisons,
4429 try comparison of one comparison code swapped if that yields
4432 2006-05-10 Ben Elliston <bje@au.ibm.com>
4434 * tree-pretty-print.c (pretty_print_string): No need to handle
4435 '\0' as a special character.
4437 * tree.h: Include "hashtab.h".
4438 (iterative_hash_expr): Use hashval_t in its prototype.
4439 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4441 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4444 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4445 (hppa*64*-*-hpux11*): Ditto.
4446 (hppa[12]*-*-hpux11*): Ditto.
4448 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4451 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4453 2006-05-09 Michael Matz <matz@suse.de>
4455 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4456 host_extra_gcc_objs and host_xmake_file.
4457 (<*-*-linux*>): Don't overwrite host_xmake_file.
4458 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4459 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4460 (host_detect_local_cpu): Declare.
4461 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4462 * config/i386/i386.c (override_options): Handle -mtune=native
4464 * config/i386/x-i386: New file.
4465 * config/i386/driver-i386.c: New file.
4466 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4469 2006-05-09 Dirk Mueller <dmueller@suse.de>
4470 Richard Guenther <rguenther@suse.de>
4473 * fold-const.c (fold_read_from_constant_string): Relax check
4474 for matching types to matching modes.
4476 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4478 PR rtl-optimization/27335
4479 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4482 2006-05-08 Chao-ying Fu <fu@mips.com>
4483 Richard Sandiford <richard@codesourcery.com>
4485 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4486 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4487 * config/mips/mips.md (UNSPEC_SCC): New constant.
4488 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4489 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4490 (mips_emit_compare): Use it.
4491 (mips_expand_vcondv2sf): New function.
4493 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4495 Fix PR tree-optimization/27093
4496 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4497 renaming when they become not-used_alone.
4499 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4501 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4502 relocation and relocation stubs.
4504 2006-05-08 Eric Christopher <echristo@apple.com>
4506 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4509 2006-05-08 Jan Hubicka <jh@suse.cz>
4512 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4513 unused static functions are needed.
4515 2006-05-08 Roger Sayle <roger@eyesopen.com>
4518 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4519 of a reg_equiv_constant if the result is a legitimate constant.
4521 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4524 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4525 standard 80387 constants, raise the cost to prevent
4526 compress_float_constant() to generate load from memory.
4528 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4530 * config/arm/constraints.md (c): Fix a typo.
4532 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4535 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4538 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4540 (_mm_mwait): Likewise.
4542 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4544 (sse3_monitor): Make it 32bit only.
4545 (sse3_monitor64): New. 64bit monitor.
4547 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4550 * config/i386/i386.c (classify_argument): Skip fields with invalid
4553 2006-05-07 Richard Guenther <rguenther@suse.de>
4555 PR tree-optimization/27409
4556 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4557 Do not try to find zero-sized subvars.
4559 2006-05-07 Richard Guenther <rguenther@suse.de>
4561 PR tree-optimization/27136
4562 * tree-ssa-loop-niter.c (get_val_for): Correct function
4563 comment, assert requirements.
4564 (loop_niter_by_eval): Stop processing if the iterated
4565 value did not simplify.
4567 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4569 * opts.c (flag_see): remove its setting at -O3.
4571 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4573 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4574 * arm/constraints.md: New file.
4575 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4576 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4577 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4578 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4579 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4580 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4581 * arm.md: Include constraints.md.
4582 (thumb_movsi_insn): Use satisfies_constraint_J.
4583 (movhi, movqi): Use satisfies_constraint_I.
4585 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4587 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4588 for atmeg a645 device.
4590 2006-05-06 Richard Guenther <rguenther@suse.de>
4592 PR tree-optimization/27151
4593 * tree-vect-transform.c (vectorizable_condition): Punt on
4594 values that have a different type than the condition.
4596 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4599 * c-parser.c (c_parser_cast_expression): Only insert casts into
4600 hash table if pointer.
4601 * function.c (used_types_insert_helper): Rename from
4603 (used_types_insert): Call used_types_insert_helper.
4604 * function.h (used_types_insert): Accept only one argument.
4606 2006-05-05 David Edelsohn <edesohn@gnu.org>
4608 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4609 scratch with output modifier.
4611 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4614 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4615 with output modifier.
4617 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4620 * config/mips/mips.c (mips_symbolic_address_p): Return true
4621 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4622 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4624 2006-05-04 Richard Guenther <rguenther@suse.de>
4626 PR tree-optimization/14287
4627 PR tree-optimization/14844
4628 PR tree-optimization/19792
4629 PR tree-optimization/21608
4630 PR tree-optimization/27090
4631 * tree-ssa-pre.c (try_combine_conversion): New function.
4632 (compute_avail): After constructing the value-handle
4633 expression, use try_combine_conversion to combine NOP_EXPRs
4634 with previous value-handle expressions and use the result if it
4637 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4639 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4641 2006-05-04 Jan Hubicka <jh@suse.cz>
4644 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4646 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4648 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4649 that this only matches CONST_INTs. All users changed to VOIDmode
4652 * config/bfin/bfin.c: Include "optabs.h".
4653 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4655 (enum bfin_builtins): Add a number of fractional and vector builtins.
4656 (bfin_init_builtins): Likewise.
4657 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4658 (safe_vector_operand, bfin_expand_binop_builtin,
4659 bfin_expand_unop_builtin): New functions.
4660 (bfin_expand_builtin): Handle the new builtins.
4661 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4664 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4667 * Makefile.in (OBJS-common): Add see.o.
4668 (see.o): Add dependencies.
4669 * common.opt (fsee): New flag for the see optimization was added.
4670 * opts.c (flag_see): Initialized.
4671 * passes.c (init_optimization_passes, pass_see): New pass.
4672 * rtl.h (see_main): Declaration as extern.
4673 * timevar.def (TV_SEE): New.
4674 * tree-pass.h (pass_see): Declaration as extern.
4675 * invoke.texi (-fsee): Document.
4676 * recog.c (validate_simplify_insn): New function.
4677 * recog.h (validate_simplify_insn): Declaration as extern.
4678 * df-problems.c (df_chain_dump): Check for NULL.
4680 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4681 Daniel Berlin <dberlin@dberlin.org>
4683 * cfgrtl.c (insert_insn_bb_end_new): New function.
4684 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4686 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4688 * df.h (struct web_entry): Moved from web.c.
4689 (union_defs): Declaration as extern.
4690 (unionfind_root): Likewise.
4691 (unionfind_union): Likewise.
4692 * web.c (struct web_entry): Moved to df.h.
4693 (unionfind_root): Remove static declaration.
4694 (unionfind_union): Likewise.
4695 (union_defs): Likewise and generalize to use callback function.
4696 (web_main): Update arguments for union_defs function call.
4698 2006-05-04 Richard Guenther <rguenther@suse.de>
4700 PR tree-optimization/26447
4701 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4702 produce SSA_NAME copies before the store stmt to avoid
4703 breaking exception handling.
4705 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4708 * gimplify.c (omp_is_private): If var is shared in some outer context,
4709 return false instead of true. Stop searching on parallel context
4712 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4715 * coverage.c: Use get_gcov_unsigned_t() instead of
4716 unsigned_type_node all over.
4718 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4720 PR tree-optimization/27381
4721 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4722 maintain the same immediate_use links.
4723 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4724 node rather than segfaulting.
4726 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4729 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4730 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4731 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4733 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4735 Fix PR tree-optimization/26626
4736 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4738 * tree-ssa-operands.c (access_can_touch_variable): Allow
4739 typecasting through union pointers.
4741 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4744 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4745 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4746 to find if var will be a global variable even in the nested context.
4747 (omp_copy_decl): Only check for global variable at the end, it might
4748 be overridden in outer contexts.
4749 (scan_sharing_clauses): For global variables don't create a field.
4750 (lower_rec_input_clauses): Do nothing for global shared variables.
4751 Emit a barrier at the end of ILIST if there were any decls in both
4752 firstprivate and lastprivate clauses.
4753 (lower_send_clauses): Do nothing for global variables except for
4756 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4758 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4759 of the correct signedness is returned.
4761 2006-05-02 Jeff Law <law@redhat.com>
4763 PR tree-optimization/27364
4764 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4765 multiply expressions.
4767 2006-05-02 Tom Tromey <tromey@redhat.com>
4769 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4771 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4774 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4775 -mthumb -fPIC are used.
4777 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4778 Joshua Kinard <kumba@gentoo.org>
4781 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4782 with 64-bit pointers.
4784 2006-05-02 Paul Brook <paul@codesourcery.com>
4786 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4788 (create_fix_barrier): Check that a suitable barrier location is
4790 (arm_reorg): Include ftmp->address in allowable range of addresses.
4792 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4795 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4798 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4801 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4802 around RESULT_DECL for result passed by reference.
4803 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4804 * omp-low.c (use_pointer_for_field): Don't look at
4805 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4806 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4807 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4808 time or var for passing by reference for
4809 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4810 TREE_ADDRESSABLE variables when passing by reference.
4812 * omp-low.c (dump_omp_region): Fix output formatting.
4815 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4816 (expand_omp_parallel): Likewise.
4817 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4820 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4821 on statement list containing also constructors and destructors.
4822 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4825 * except.c (duplicate_eh_regions): Fix clearing of
4826 cfun->eh->region_array entries.
4828 2006-05-01 DJ Delorie <dj@redhat.com>
4830 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4832 (gcc_cv_objdump): Likewise.
4833 * configure: Regenerated.
4835 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4838 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4839 templates for case 3 and 4.
4841 2006-05-01 DJ Delorie <dj@redhat.com>
4843 * vec.c: Include bconfig.h when appropriate.
4844 * Makefile.in (build/vec.o): Adjust dependencies.
4845 * mkconfig.sh: Make sure config.h isn't used for build machine
4848 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4850 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4852 (mark_phi_for_rewrite): New function.
4853 (insert_phi_nodes_for, mark_use_interesting): Call
4854 mark_phi_for_rewrite.
4855 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4856 (update_ssa): Initialize and free phis_to_rewrite.
4858 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4860 PR rtl-optimization/27291
4861 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4862 folded to a constant.
4864 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4866 PR tree-optimization/27283
4867 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4868 not whole # of iteration descriptions.
4869 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4870 uses abnormal ssa name.
4871 (niter_for_single_dom_exit): Ditto.
4872 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4873 return just the number of iterations.
4875 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4877 PR tree-optimization/27144
4878 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4879 (record_estimate): Only record constant upper bound.
4880 (infer_loop_bounds_from_undefined): Call
4881 compute_estimated_nb_iterations just once.
4882 (proved_non_wrapping_p): Renamed to ...
4883 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4884 (convert_step_widening, scev_probably_wraps_p): Call
4885 n_of_executions_at_most instead of proved_non_wrapping_p.
4886 (substitute_in_loop_info): Do not replace values in bounds.
4887 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4890 2006-05-01 Richard Henderson <rth@redhat.com>
4893 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4894 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4897 2006-05-01 Roger Sayle <roger@eyesopen.com>
4899 * c-typeck.c (parser_build_binary_op): Don't call the function
4900 unsigned_conversion_warning to spot operand/result type overflow.
4901 (build_binary_op): Instead, call convert_and_check instead of
4902 convert to report the problem when the operands are promoted.
4903 * c-common.c (unsigned_conversion_warning): Make static.
4904 * c-common.h (unsigned_conversion_warning): Delete prototype.
4906 2006-05-01 Richard Guenther <rguenther@suse.de>
4908 PR tree-optimization/26726
4909 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4911 (find_interesting_uses_address): ... we work around here
4912 by folding INDIRECT_REFs in the substituted base.
4914 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4916 * omp-low.c (dump_omp_region): Add newlines.
4918 2006-04-30 Roger Sayle <roger@eyesopen.com>
4920 * common.opt (Woverflow): New command line option.
4921 * c-common.c (constant_expression_warning): Check warn_overflow.
4922 (overflow_waring): Pass OPT_Woverflow to warning.
4923 (unsigned_conversion_warning): Likewise.
4924 (convert_and_check): Likewise.
4925 * doc/invoke.texi: Document new command line option.
4927 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4929 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4930 TARGET_NO_FP_IN_TOC for section anchors.
4931 (optimization_options): Enable section anchors for all
4932 non-"Objective" languages.
4934 2006-04-28 Eric Christopher <echristo@apple.com>
4936 * config/darwin-c.c (darwin_ms_struct): Move this
4937 (darwin_set_default_type_attributes): and this...
4938 * config/darwin.c: ... here.
4939 * config/darwin.h (darwin_ms_struct): Declare.
4941 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4943 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4945 2006-04-28 Roger Sayle <roger@eyesopen.com>
4948 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4949 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4950 an unsigned HOST_WIDE_INT.
4951 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4953 (really_start_incremental_init): No need to call convert because
4954 bitsize_zero_node is already of type bitsizetype.
4955 (push_init_level): Extract the value of constructor_index as an
4956 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4957 (process_init_element): Likewise.
4959 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4961 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4962 value before passing to make_relative_prefix.
4964 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4967 * builtins.c (expand_builtin_memset): Expand val in original mode.
4969 2006-04-27 Eric Christopher <echristo@apple.com>
4971 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4972 with #ifndef/#endif.
4973 * config/darwin-c.c (darwin_ms_struct): New.
4974 (darwin_pragma_ms_struct): Ditto.
4975 (darwin_set_default_type_attributes): Ditto.
4976 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4977 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4978 Register ms_struct pragma.
4979 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4980 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4981 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4982 darwin_set_default_type_attributes if TARGET_MACHO.
4984 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4986 PR tree-optimization/26854
4987 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4988 * doc/tree-ssa.texi: Update immuse iterator documentation.
4989 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4990 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4991 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4992 first_safe_imm_use, next_safe_imm_use): Remove.
4993 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4994 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4995 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4996 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4997 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4998 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4999 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5000 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5001 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5002 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5003 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5004 (perfect_nestify): Use new iterator.
5005 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5007 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5008 (next_imm_name): New field in struct immediate_use_iterator_d.
5009 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5010 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5011 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5012 * tree-cfg.c (replace_uses_by): Use new iterator.
5013 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5014 * tree-ssa-operands.c (correct_use_link): Remove.
5015 (finalize_ssa_use_ops): No longer call correct_use_link.
5017 2006-04-27 Stuart Hastings <stuart@apple.com>
5019 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5020 * config/t-darwin (crt3.o): Use it.
5021 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5022 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5023 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5024 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5025 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5028 2006-04-27 Roger Sayle <roger@eyesopen.com>
5030 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5031 size, force the intermediate into a new pseudo rather instead of
5032 performing both a bitwise AND and a bitwise IOR in memory.
5034 2006-04-27 Richard Guenther <rguenther@suse.de>
5036 PR rtl-optimization/26685
5037 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5038 this one "max-flow-memory-locations".
5040 2006-04-27 Richard Guenther <rguenther@suse.de>
5042 PR tree-optimization/25148
5043 * tree-vrp.c (compare_values): Remove code dealing with
5044 comparisons against type min/max value. Honour overflow
5045 and negative constants in code dealing with comparisons
5046 of plus and minus expressions.
5047 (value_inside_range): Use fold_binary with LE_EXPR and
5048 GE_EXPR rather than compare_values.
5050 2006-04-27 Dirk Mueller <dmueller@suse.de>
5052 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5055 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5057 * basic-block.h (safe_insert_insn_on_edge): Removed.
5058 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5060 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5061 Paolo Bonzini <bonzini@gnu.org>
5064 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5065 (simplify_and_const_int): Same.
5067 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5069 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5071 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5074 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5075 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5076 cgraph_global_info_ready.
5079 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5082 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5083 either decl or init is error_mark_node.
5086 * tree-flow.h (struct omp_region): Add sched_kind.
5087 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5088 instead of extracting omp for data.
5089 (expand_omp_for): Save extracted sched_kind.
5091 2006-04-25 Roger Sayle <roger@eyesopen.com>
5093 * expmed.c (store_bit_field): Also check whether the bitsize is
5094 valid for the machine's "insv" instruction before moving the
5095 target into a pseudo for use with the insv.
5096 * config/i386/predicates.md (const8_operand): New predicate.
5097 * config/i386/i386.md (extv, extzv, insv): Use the new
5098 const8_operand predicate where appropriate.
5100 2006-04-25 DJ Delorie <dj@redhat.com>
5102 * doc/install.texi (Specific): Clarify that this is not a list of
5103 supported hosts or targets.
5105 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5107 PR rtl-optimization/26725
5108 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5109 block's BB_DIRTY flag.
5111 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5113 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5116 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5117 to print an integer.
5119 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5121 * varasm.c (align_variable): New function.
5122 (get_block_for_decl): Apply align_variable to DECL before
5123 calculating section information.
5124 (assemble_variable): Split out alignment computation.
5126 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5128 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5131 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5133 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5134 MODE_PARTIAL_INT mode.
5135 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5136 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5138 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5139 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5141 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5143 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5145 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5146 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5147 MACFLAG_IH): Likewise.
5148 (movstricthi_1): Renamed from "*movstricthi".
5149 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5150 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5151 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5152 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5153 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5154 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5155 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5156 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5157 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5158 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5159 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5160 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5161 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5162 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5163 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5165 * doc/rtl.texi (ss_ashift): Improve wording.
5167 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5169 * dwarf2out.c (verify_marks_clear): New.
5170 (prune_unused_types): Call verify_marks_clear initially, not
5173 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5175 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5176 * doc/rtl.texi: Document them.
5177 * simplify-rtx.c (simplify_unary_operation,
5178 simplify_binary_operation_1): Don't abort when we see them.
5180 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5183 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5184 * configure.ac: Completely disregard languages that are not
5186 * configure: Regenerated.
5188 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5189 Richard Guenther <rguenther@suse.de>
5191 PR tree-optimization/27236
5192 * tree-inline.c (copy_body_r): Make sure to copy
5193 TREE_THIS_VOLATILE flag.
5195 2006-04-24 Richard Guenther <rguenther@suse.de>
5198 * tree-complex.c (update_parameter_components): Don't handle
5199 unused parameters which have no default def.
5201 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5202 Richard Guenther <rguenther@suse.de>
5204 PR tree-optimization/27218
5205 * tree-inline.c (expand_call_inline): Strip useless type
5206 conversions for the return slot address.
5208 2006-04-24 Richard Guenther <rguenther@suse.de>
5210 * cfgloop.h (struct loops): Remove unused field array. Reorder
5212 (LOOP_PREFETCH): Remove.
5214 2006-04-24 Richard Guenther <rguenther@suse.de>
5216 PR tree-optimization/22525
5217 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5218 variable, adjust types of generated expressions.
5220 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5222 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5223 (tree-vect-patterns.o): Likewise.
5225 (cselib.o): Likewise.
5226 (loop-doloop.o): Likewise.
5227 (regclass.o): Likewise.
5228 (reload1.o): Likewise.
5229 (explow.o): Replace target.h with $(TARGET_H).
5230 (ipa-prop.o): Likewise.
5231 (ipa-cp.o): Likewise.
5232 (ipa-inline.o): Likewise.
5233 (reorg.o): Likewise.
5234 (reg-stack.o): Likewise.
5236 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5238 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5240 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5242 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5244 * configure.ac: Completely disregard languages that are not
5246 * configure: Regenerated.
5249 * c-common.h (c_build_bitfield_integer_type): Declare.
5250 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5251 * c-common.c (c_build_bitfield_integer_type): ... here.
5253 2006-04-23 Roger Sayle <roger@eyesopen.com>
5256 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5257 a SImode SUBREG of a floating point register after no_new_pseudos.
5259 2006-04-23 Roger Sayle <roger@eyesopen.com>
5261 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5262 identify potentially eliminable registers to additionally catch
5263 VIRTUAL_INCOMING_ARGS_REGNUM.
5264 (addsi3): Update the conditions on when to use addsi_small_int.
5266 2006-04-23 Roger Sayle <roger@eyesopen.com>
5269 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5270 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5271 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5273 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5275 * fold-const.c (range_predecessor): Use operand_equal_p
5276 as the predicate for equality.
5277 (range_successor): Likewise.
5279 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5282 * config/soft-fp/op-common.h: Fix a typo.
5284 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5287 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5288 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5290 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5292 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5294 * doc/tm.texi: Fix a typo.
5296 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5298 * dwarf2out.c (struct die_struct): Document that die_sib makes
5299 a circular linked list.
5300 (FOR_EACH_CHILD): New.
5301 (reverse_die_lists): Delete.
5302 (reverse_all_dies): Delete.
5303 (add_dwarf_attr): Correct documentation.
5304 (remove_child_with_prev): New.
5305 (remove_child_TAG): Update for change to die_struct, use
5306 remove_child_with_prev.
5307 (add_child_die): Update for change to die_struct.
5308 (splice_child_die): Use remove_child_with_prev and add_child_die.
5309 (print_die): Use FOR_EACH_CHILD.
5310 (die_checksum): Likewise.
5311 (assign_symbol_names): Likewise.
5312 (output_location_lists): Likewise.
5313 (build_abbrev_table): Likewise.
5314 (calc_die_sizes): Likewise.
5315 (mark_dies): Likewise.
5316 (unmark_dies): Likewise.
5317 (unmark_all_dies): Likewise.
5318 (output_die): Likewise.
5319 (prune_unused_types_mark): Likewise.
5320 (prune_unused_types_walk): Likewise.
5321 (same_die_p): Update for change to die_struct.
5322 (break_out_includes): Likewise.
5323 (prune_unused_types_prune): Likewise.
5324 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5325 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5327 (dwarf2out_finish): Don't call reverse_all_dies.
5329 2006-04-21 Eric Christopher <echristo@apple.com>
5331 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5332 in comments and function names.
5334 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5337 * c-typeck.c (digest_init): Robustify.
5339 * c-typeck.c (pop_init_level): Simplify.
5341 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5343 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5345 2006-04-21 Paul Brook <paul@codesourcery.com>
5347 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5348 hardware floating point.
5350 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5352 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5355 2006-04-21 Nick Clifton <nickc@redhat.com>
5357 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5360 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5363 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5364 C++ lang type in traceback table for Objective-C++.
5366 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5368 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5370 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5372 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5375 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5376 were errors. Remove check for erroneous objects.
5378 2006-04-20 Jeff Law <law@redhat.com>
5380 PR tree-optimization/26854
5381 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5382 checking for zero or one use.
5383 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5384 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5385 * tree-ssa-reassoc.c (negate_value): Similarly.
5386 (reassociate_bb): Similarly.
5388 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5390 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5391 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5392 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5394 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5396 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5397 fp regs if the last fp arg doesn't fit in regs.
5399 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5402 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5403 that the last insn has the REG_INC note.
5405 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5406 Nathan Sidwell <nathan@codesourcery.com>
5409 * stor-layout.c (update_alignment_for_field): Do not align
5411 (place_union_field): Place union field at the start of the union.
5412 (place_field): Move ERROR_MARK check later, and use the current
5413 allocation position to maintain monotonicity.
5415 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5417 * dominance.c: Include timevar.h.
5418 (calculate_dominance_info): Use TV_DOMINANCE.
5419 * timevar.def (TV_DOMINANCE): New timevar.
5420 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5422 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5424 PR rtl-optimization/14261
5425 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5426 move would be an INSV insn.
5427 (noce_process_if_block): Don't optimize if the destination is a
5428 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5430 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5432 * config/s390/s390.md: Add comments with the instructions emitted
5433 by an insn pattern if macros are used.
5435 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5437 PR rtl-optimization/26026
5438 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5439 is a known power of two shifted left a variable amount.
5441 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5443 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5444 to hash table twice when the debug_str section has SECTION_MERGE.
5446 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5448 * config/soft-fp: New directory. From glibc.
5449 * config/soft-fp/t-softfp: New.
5450 * config/soft-fp/README: New.
5451 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5452 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5453 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5454 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5455 * config.gcc: Use rs6000/t-fprules-fpbit or
5456 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5458 * config/rs6000/sfp-machine.h: New. Based on glibc.
5459 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5461 * config/rs6000/t-fprules: Remove fp-bit rules.
5462 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5463 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5464 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5465 (softfp_wrap_start, softfp_wrap_end): New.
5467 2006-04-18 DJ Delorie <dj@redhat.com>
5469 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5471 2006-04-18 Devang Patel <dpatel@apple.com>
5473 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5475 2006-04-18 Nick Clifton <nickc@redhat.com>
5477 * config/sh/t-symbian: Add rule to build sh-c.o
5478 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5479 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5480 (sh_symbian_encode_section_info): Likewise.
5482 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5484 * builtins.c (expand_builtin_strcmp): Cover label definition of
5485 do_libcall with HAVE_cmpstrnsi.
5487 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5489 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5491 * function.h (temp_slot_p): New.
5492 (function): Change the type of x_used_temp_slots to
5493 VEC(temp_slot_p,gc) *.
5495 2006-04-18 Nick Clifton <nickc@redhat.com>
5497 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5498 flag_strength_reduce.
5500 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5502 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5506 Partial revert of revision 112637
5507 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5508 Dale Johannesen <dalej@apple.com>
5511 * regclass.c (struct reg_pref): Update documentation.
5512 (regclass): Set prefclass to NO_REGS if memory is the best option.
5513 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5515 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5517 PR tree-optimization/26821
5518 * tree-ssa-math-opts.c (get_constant_one): New.
5519 (insert_reciprocals): Use it.
5521 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5523 * dwarf2out.c (free_AT): Delete.
5524 (remove_AT): Update string ref counts.
5525 (remove_child_TAG): Don't call free_die.
5527 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5528 or DW_TAG_GNU_EINCL.
5529 (prune_unused_types_walk_attribs): Reset string refcounts.
5530 (prune_unused_types_update_strings): New.
5531 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5532 call free_die. Do call prune_unused_types_update_strings.
5533 (prune_unused_types): Empty debug_str_hash.
5535 2006-04-17 Roger Sayle <roger@eyesopen.com>
5537 * expr.c (expand_assignment): Optimize away no-op moves where the
5538 source and destination are equal and have no side-effects.
5540 2006-04-17 Richard Guenther <rguenther@suse.de>
5543 * reload.c (push_reload): Guard calls to get_secondary_mem
5546 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5548 * alias.c (reg_base_value, old_reg_base_value): Change the
5549 type to VEC(rtx,gc) *.
5550 (REG_BASE_VALUE, find_base_value, record_set,
5551 init_alias_analysis): Use VEC instead of VARRAY.
5553 * alias.c (alias_sets): Change the type to
5554 VEC(alias_set_entry,gc) *.
5555 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5556 VEC instead of VARRAY.
5557 (last_alias_set): Remove.
5559 * cgraph.h (cgraph_edge_p): New.
5560 Update the prototype of cgraph_function_versioning.
5561 * cgraphunit.c (cgraph_copy_node_for_versioning,
5562 cgraph_function_versioning): Use VEC instead of VARRAY.
5563 * ipa-cp.c (ipcp_insert_stage): Likewise.
5565 2006-04-16 Roger Sayle <roger@eyesopen.com>
5568 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5569 "A op B" or "A op C", we may need to convert A to the type of B and C.
5571 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5573 * target.h (struct gcc_target): Add mode_rep_extended.
5574 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5575 (init_num_sign_bit_copies_in_rep): Initialize it using
5577 (truncate_to_mode): Use it.
5578 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5579 * targhooks.h (default_mode_rep_extended): Declare it.
5580 * targhooks.c (default_mode_rep_extended): Define it.
5581 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5582 default_mode_rep_extended.
5583 (TARGET_INITIALIZER): Include it.
5584 * doc/tm.texi (Misc): Document it.
5585 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5586 (mips_truncated_to_mode): New function.
5588 2006-04-16 Roger Sayle <roger@eyesopen.com>
5591 * expr.c (compress_float_constant): Copy the narrow constant into
5592 a new pseudo before extending it to its final width.
5594 2006-04-16 Roger Sayle <roger@eyesopen.com>
5595 Andrew Pinski <pinskia@gcc.gnu.org>
5596 Dale Johannesen <dalej@apple.com>
5599 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5600 special case code to implement V8HImode and V16QImode with SSE2.
5602 2006-04-15 Roger Sayle <roger@eyesopen.com>
5604 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5605 trees are constructed with a suitable tree type.
5607 2006-04-15 Roger Sayle <roger@eyesopen.com>
5609 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5610 (integer_onep): Likewise.
5611 (integer_all_onesp): Likewise.
5612 (integer_pow2p): Likewise.
5613 (integer_nonzerop): Likewise.
5614 (real_zerop): Likewise.
5615 (real_onep): Likewise.
5616 (real_twop): Likewise.
5617 (real_minus_onep): Likewise.
5618 (int_size_in_bytes): Likewise.
5619 (host_integerp): Likewise.
5621 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5623 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5624 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5625 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5627 * tree-ssa-structalias.h (alias_info): Remove num_references.
5629 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5631 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5632 (output_bvb patterns): Likewise.
5633 * pa.c (output_bb): Use 'bb' insn for long branch case.
5634 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5635 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5636 1. Correct length operand for alternatives 1 and 2.
5637 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5638 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5640 2006-04-14 Roger Sayle <roger@eyesopen.com>
5642 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5643 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5644 were accidentally reverted by r112959.
5646 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5649 * except.h (eh_region_outermost): New prototype.
5650 * except.c (eh_region_outermost): New function.
5651 * tree-cfg.c (find_outermost_region_in_block): Use it.
5653 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5655 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5657 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5658 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5659 (init_reload, reload): Use VEC instead of VARRAY.
5660 * reload.h: Update the prototype for
5661 reg_equiv_memory_loc_varray.
5663 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5664 Eric Botcazou <ebotcazou@libertysurf.fr>
5666 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5669 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5672 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5673 to expand fallback builtin function call.
5675 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5678 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5679 and emit libcall here in case the builtin fails.
5680 (expand_builtin_strcmp): Always emit the libcall here on failure.
5682 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5684 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5685 * flow.c (reg_n_info): Change the type to
5686 VEC(reg_info_p,heap) *.
5687 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5689 * regs.h (reg_info_p): New.
5690 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5691 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5692 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5695 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5697 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5699 * params.h (MAX_SCHED_READY_INSNS): New macro.
5700 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5701 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5702 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5703 the ready list for 1 cycle during the first scheduling pass.
5704 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5706 2006-04-13 Richard Henderson <rth@redhat.com>
5709 * gimple-low.c (lower_omp_directive): Remove dead code.
5710 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5711 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5712 * omp-low.c (struct omp_region): Move to tree-flow.h.
5713 (root_omp_region): Export.
5714 (omp_regions, lookup_omp_region): Remove.
5715 (determine_parallel_type): Update for struct omp_region changes.
5716 (dump_omp_region): Dump regions with block numbers.
5717 (new_omp_region): Take type and block instead of stmt; malloc
5719 (free_omp_region_1, free_omp_regions): New.
5720 (expand_parallel_call): Take entry_stmt as argument; update for
5721 changes to omp_region.
5722 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5723 (remove_exit_barriers): New.
5724 (expand_omp_parallel): Update for struct omp_region changes.
5725 (expand_omp_synch): Likewise.
5726 (expand_omp): Likewise.
5727 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5728 (expand_omp_for_static_chunk): Likewise.
5729 (expand_omp_for): Likewise.
5730 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5731 (expand_omp_sections): Similarly, with GOMP_sections_end.
5732 (expand_omp_single): New.
5733 (build_omp_regions_1): Update for OMP_CONTINUE.
5734 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5735 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5736 OMP_SECTIONS_SECTIONS.
5737 (lower_omp_single_simple): Don't emit barrier here.
5738 (lower_omp_single_copy): Likewise.
5739 (lower_omp_single): Fix bindings, and lower to straightline now.
5740 (lower_omp_master, lower_omp_ordered): Likewise.
5741 (lower_omp_critical): Likewise.
5742 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5743 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5744 omp edges, free it afterward.
5745 (make_omp_sections_edges): Remove.
5746 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5747 (move_stmt_r): Handle OMP_CONTINUE.
5748 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5749 statement pointers to basic blocks. Add type member.
5750 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5751 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5752 * tree-inline.c (estimate_num_insns_1): Likewise.
5753 * tree-pretty-print.c (dump_generic_node): Likewise.
5754 * tree-ssa-operands.c (get_expr_operands): Likewise.
5755 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5756 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5757 (OMP_CONTINUE): New.
5758 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5759 (OMP_SECTIONS_SECTIONS): Remove.
5760 (OMP_SECTION_LAST): New.
5761 (OMP_RETURN_NOWAIT): New.
5763 2006-04-13 Roger Sayle <roger@eyesopen.com>
5765 * fold-const.c (native_encode_vector, native_interpret_real):
5766 Correct obvious mistakes in the previous check-in.
5768 2006-04-13 Roger Sayle <roger@eyesopen.com>
5770 * fold-const.c (native_encode_expr): New function to encode
5771 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5772 or VECTOR_CST into a specified buffer.
5773 (native_encode_int): New function.
5774 (native_encode_real): New function.
5775 (native_encode_complex): New function.
5776 (native_encode_vector): New function.
5777 (native_interpret_expr): Inverse of native_encode_expr to convert
5778 a target representation into an INTEGER_CST, REAL_CST etc...
5779 (native_interpret_int): New function.
5780 (native_interpret_real): New function.
5781 (native_interpret_complex): New function.
5782 (native_interpret_vector): New function.
5783 (fold_view_convert_expr): New function to constant fold/evaluate
5784 a VIEW_CONVERT_EXPR of a suitable constant expression.
5785 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5786 Change call of build1 to fold_build1 when constructing a
5789 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5790 Ulrich Weigand <uweigand@de.ibm.com>
5793 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5796 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5799 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5800 optimize to lo_sum for DFmode if !TARGET_FPRS.
5802 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5804 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5805 delete_alias_info, compute_flow_sensitive_aliasing,
5806 group_aliases): Use VEC instead of VARRAY.
5807 * tree-ssa-structalias.c (update_alias_info): Likewise.
5808 * tree-ssa-structalias.h (alias_info): Change the type of
5809 processed_ptrs to VEC(tree,heap) *.
5811 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5814 * config/sh/lib1funcs.h: New file, broken out of:
5815 * config/sh/lib1funcs.asm.
5816 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5818 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5819 * config/sh/lib1funcs-Os-4-200.asm: New file.
5820 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5821 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5822 (EXTRA_MULTILIB_PARTS): Include it.
5823 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5824 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5825 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5826 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5829 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5831 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5832 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5833 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5835 * tree-ssa-live.h: Include vecprim.h.
5836 (tree_partition_associator_d): Change the type of
5837 first_partition to VEC(int,heap) *.
5838 (tpa_first_partition): Use VEC instead of VARRAY.
5840 * Makefile.in (GTFILES): Move functions.h after tree.h.
5841 * function.c (reset_block_changes, record_block_change,
5842 check_block_change, free_block_changes): Use VEC instead of
5844 * function.h (function): Change the type of
5845 ib_boundaries_block to VEC(tree,gc) *.
5846 * tree-inline.c (copy_cfg_body): Initialize
5847 ib_boundaries_block to NULL instead of (varray_type) 0.
5849 2006-04-12 Roger Sayle <roger@eyesopen.com>
5851 * expr.c (emit_group_store): Correct operand order in call to
5852 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5853 a SUBREG_BYTE of zero.
5855 2006-04-12 Richard Guenther <rguenther@suse.de>
5857 * profile.c (compute_branch_probabilities): Remove code
5858 encapsulated in !ir_type (), which are remanents of the
5859 removed RTL profiling code.
5860 * rtl-profile.c: Remove.
5862 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5864 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5865 magic NULL_RTX comment.
5866 (function_arg): Store entire fp arg to mem if any part should go
5868 (rs6000_arg_partial_bytes): Adjust for above change.
5870 2006-04-11 Roger Sayle <roger@eyesopen.com>
5872 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5873 if it hasn't been initialized by dwarf2out_init.
5875 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5877 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5878 symbolic constants in branch patterns.
5880 2006-04-11 Roger Sayle <roger@eyesopen.com>
5882 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5884 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5886 PR rtl-optimization/27073
5887 * gcse.c (try_replace_reg): Revert last change. Continue to search
5888 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5891 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5893 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5894 aggregate types other than record and union types.
5895 (function_arg): Likewise.
5896 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5898 (function_value): In 64-bit mode, return objects that require it
5901 2006-04-11 Roger Sayle <roger@eyesopen.com>
5903 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5905 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5907 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5909 2006-04-03 Jeff Law <law@redhat.com>
5912 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5913 alias information too.
5915 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5917 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5919 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5922 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5923 (premark_used_types_helper): New.
5924 (premark_used_types): New.
5925 (gen_subprogram_die): Call premark_used_types.
5926 (prune_unused_types_walk): Do not prune perennial dies.
5927 * function.c (used_types_insert): New.
5928 * function.h (struct function): Add used_types_hash field.
5929 (used_types_insert): Add prototype.
5930 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5931 * c-parser.c (c_parser_cast_expression): Save casted types in used
5934 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5937 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5938 rs6000_explicit_options.float_gprs.
5940 2006-04-10 Roger Sayle <roger@eyesopen.com>
5942 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5943 from ix86_expand_vector_init_low_nonzero. Take an additional
5944 one_var argument indicating which element is non-zero. Support
5945 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5946 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5947 with one_var instead of ix86_expand_vector_init_low_nonzero.
5949 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5951 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5952 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5953 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5954 build/genextract.o): Depend on vecprim.h.
5955 * cfglayout.c, df-problems.c, function.c, genextract.c,
5956 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5957 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5961 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5963 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5964 Declare VECs of this type.
5965 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5966 (remove_children): Delete.
5967 (add_dwarf_attr): Use VEC routines.
5968 (add_AT_flag): Update for changes to add_dwarf_attr.
5969 (add_AT_int): Likewise.
5970 (add_AT_unsigned): Likewise.
5971 (add_AT_long_long): Likewise.
5972 (add_AT_vec): Likewise.
5973 (add_AT_string): Likewise.
5974 (add_AT_die_ref): Likewise.
5975 (add_AT_fde_ref): Likewise.
5976 (add_AT_loc): Likewise.
5977 (add_AT_loc_list): Likewise.
5978 (add_AT_addr): Likewise.
5979 (add_AT_lbl_id): Likewise.
5980 (add_AT_lineptr): Likewise.
5981 (add_AT_macptr): Likewise.
5982 (add_AT_offset): Likewise.
5983 (add_AT_range_list): Likewise.
5984 (get_AT): Use VEC_iterate.
5985 (remove_AT): Use VEC_ordered_remove.
5986 (free_die): Fold remove_children into here; have it use VEC_iterate.
5987 (print_die): Use VEC_iterate on attrs.
5988 (reverse_die_lists): Don't reverse attr lists.
5989 (die_checksum): Use VEC_iterate on attrs.
5990 (same_die_p): Likewise.
5991 (output_location_lists): Likewise.
5992 (build_abbrev_table): Likewise.
5993 (size_of_die): Likewise.
5994 (unmark_all_dies): Likewise.
5995 (output_abbrev_section): Likewise.
5996 (output_die): Likewise.
5997 (prune_unused_types_walk_attribs): Likewise.
5999 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6001 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6003 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6006 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6008 2006-04-09 Roger Sayle <roger@eyesopen.com>
6010 * expr.c (store_constructor): Don't bother clearing target if
6011 we're about to assign a vector to it using vec_init_optab.
6013 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6015 * tree-ssa-alias.c (lhs_may_store_to): New function.
6016 (recalculate_used_alone): Handle LHS of calls.
6018 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6022 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6023 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6024 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6025 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6026 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6027 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6028 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6029 stubs. Add ".align 8" directives before all ".dword" directives.
6030 (GTHREAD_USE_WEAK): Revise comment.
6031 (TARGET_ATTRIBUTE_WEAK): Define.
6032 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6033 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6034 * stublib.c: New file.
6039 * pa.md (cbranch patterns): Revise arguments used in calls to
6040 output_cbranch, output_bb and output_bvd. Add long branch length
6042 (fbranch patterns): Handle long branches.
6043 (jump): Revise length check. Revise arguments for output_lbranch call.
6044 Add long branch length attributes.
6045 (decrement_and_branch_until_zero): Add long branch length attributes.
6046 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6047 Likewise. Revise arguments for output_parallel_addb and
6048 output_parallel_movb calls.
6049 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6050 output_parallel_movb and output_parallel_addb): Update prototypes.
6051 * pa.c (output_cbranch): Revise arguments. Correct handling of
6052 nullification in long branches.
6053 (output_lbranch): Add new argument to control extraction of delay
6055 (output_bb): Handle long branches.
6056 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6057 output_parallel_addb): Likewise.
6059 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6061 PR rtl-optimization/27073
6062 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6065 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6067 * tree.h (tree_memory_tag): Add old_used_alone.
6068 (SMT_OLD_USED_ALONE): New macro.
6069 * tree-ssa-alias.c (recalculate_used_alone): Stop
6070 marking things for renaming unnecessarily.
6072 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6074 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6075 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6076 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6077 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6078 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6079 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6080 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6081 spelling convensions.
6082 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6083 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6084 typos. Follow spelling conventions.
6086 2006-04-07 DJ Delorie <dj@redhat.com>
6088 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6089 passed on the stack.
6090 (m32c_init_cumulative_args): When a function returns a structure,
6091 always pass the pointer to that return area on the stack.
6092 (m32c_function_arg_advance): Don't increment the parameter number
6093 if we're processing the returned structure pointer.
6094 (pushm_info): Reverse order of registers.
6096 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6098 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6099 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6100 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6101 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6103 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6104 chrec_fold_multiply): Same.
6105 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6106 force_expr_to_var_cost): Same.
6107 * tree-mudflap.c (mf_xform_derefs_1): Same.
6108 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6110 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6112 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6113 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6116 2006-04-07 Jan Hubicka <jh@suse.cz>
6118 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6120 2006-04-07 Richard Guenther <rguenther@suse.de>
6122 PR tree-optimization/26135
6123 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6124 loads for store copy-prop.
6125 (copy_prop_visit_stmt): Likewise.
6127 2006-04-05 Robert Millan <robertmh@gnu.org>
6129 * config/i386/linux.h: Add a comment to mark macros that are
6130 being overriden in config/k*bsd-gnu.h.
6131 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6133 * config/knetbsd-gnu.h: Ditto.
6135 2006-04-06 Jan Hubicka <jh@suse.cz>
6139 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6142 2006-04-06 Mike Stump <mrs@apple.com>
6144 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6145 for HAVE_nonlocal_goto to be consistent.
6146 (expand_builtin_nonlocal_goto): Likewise.
6147 (expand_builtin_strcmp): Use #ifdef instead of #if
6148 for HAVE_cmpstrnsi to be consistent.
6150 2006-04-05 DJ Delorie <dj@redhat.com>
6152 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6155 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6157 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6158 got-relative addressing for anything but SImode.
6160 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6161 even if the calling function doesn't modify them.
6163 2006-04-05 Richard Guenther <rguenther@suse.de>
6165 PR tree-optimization/26919
6166 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6167 to cgraph_estimate_size_after_inlining.
6169 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6171 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6173 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6175 PR tree-optimization/26996
6176 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6177 VECTOR_TYPE variables.
6179 2006-04-05 Richard Guenther <rguenther@suse.de>
6181 PR tree-optimization/26763
6182 * fold-const.c (fold_comparison): Move folding of
6183 PTR + CST CMP PTR + CST ...
6184 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6186 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6188 * doc/install.texi (Prerequisites): Refine some wording on
6189 bootstrapping and ksh.
6190 Move the version numbers of DejaGnu here from the testing section
6191 and fix casing of names.
6192 Fix markup and clarify wording for autogen requirements.
6193 Refer to GCJ instead of just java.
6194 Refer to SVN instead of CVS.
6195 Describe diffutils as useful instead of necessary.
6196 (Downloading the source): Refer to SVN instead of CVS.
6197 Adjust a link to our web site accordingly.
6198 (Configuration): Fix casing of Bison.
6199 (Building): Refer to SVN instead of CVS.
6200 Fix a sentence on the use of Bison and remove duplicate (and
6201 incorrect) version number of Bison requirement.
6202 Remove one redundant list of packages needed for building.
6203 (Specific): Avoid reference to CVS.
6205 2006-04-04 Eric Christopher <echristo@apple.com>
6207 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6208 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6209 (rs6000_handle_struct_attribute): New.
6210 (rs6000_ms_bitfield_layout_p): Ditto.
6212 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6214 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6215 NULL for dso parameter to atexit_common.
6217 2006-04-04 Eric Christopher <echristo@apple.com>
6219 * config/i386/i386.c (machopic_output_stub): Output \t
6220 between instructions and operands.
6222 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6224 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6225 satisfies_constraint_[IL] to explicit tests on value.
6227 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6229 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6230 set_nb_iterations_in_loop): Use build_int_cst instead of
6232 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6233 build_int_cst instead of convert.
6235 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6237 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6238 new value 2 for incoming.
6239 * function.c (expand_function_start): Call struct_value_rtx
6241 * config/sparc/sparc.md: Comment updated_return.
6242 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6243 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6244 struct return if sparc_std_struct_return and incoming is 2.
6245 (print_operand): Do not adjust return if
6246 sparc_std_struct_return.
6248 2006-04-04 Roger Sayle <roger@eyesopen.com>
6250 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6251 convert in the middle-end.
6252 * expr.c (store_expr, store_constructor, get_inner_reference,
6253 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6255 * tree.c (build_range_type): Likewise.
6257 2006-04-04 Tom Tromey <tromey@redhat.com>
6259 * doc/install.texi (Prerequisites): Mention jar.
6261 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6263 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6266 2006-04-04 Matthias Klose <doko@debian.org>
6268 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6269 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6272 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6274 * doc/extend.texi (Function Attributes): Rewrite visibility
6275 attribute documentation.
6276 * doc/invoke.texi (C++ Dialect Options): Rewrite
6277 -fvisibility-inlines-hidden documentation to describe something
6278 entirely different, although in practise compatible.
6279 (Code Gen Options): Warn about system headers in -fvisibility=
6282 * doc/extend.texi (Other Builtins): Document that
6283 __builtin_nan is a compile-time constant only when its argument
6286 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6288 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6289 trying to remove TRUNCATE check if all bits outside the new mode
6290 are identical to the sign bit.
6292 2006-04-03 Jeff Law <law@redhat.com>
6294 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6295 and operand scanning in some common cases.
6297 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6298 Dale Johannesen <dalej@apple.com>
6301 * regclass.c (struct reg_pref): Update documentation.
6302 (regclass): Set prefclass to NO_REGS if memory is the best option.
6303 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6304 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6305 into account. For non-registers, equate an empty preferred
6306 reload class to a `!' in the constraint; move the if clause to
6307 do so after those that reject the insn.
6308 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6310 (find_dummy_reload): Likewise.
6311 * doc/tm.texi (Register Classes): Document what it means
6312 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6313 * config/i386/i386.c (ix86_preferred_reload_class): Force
6314 using SSE registers (and return NO_REGS for floating-point
6315 constants) if math is done with SSE.
6316 (ix86_preferred_output_reload_class): New.
6317 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6318 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6319 * config/i386/i386.md: Remove # register preferences.
6321 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6324 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6325 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6326 the type of nb_iter.
6327 (instantiate_parameters_1): Convert the operands before calling
6328 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6329 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6331 2006-04-02 Roger Sayle <roger@eyesopen.com>
6333 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6334 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6336 * dojump.c (do_jump): Likewise.
6337 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6338 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6339 gimplify_boolean_expr): Likewise.
6340 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6341 * varasm.c (array_size_for_constructor): Likewise.
6342 * tree-object-size.c (compute_object_offset): Likewise.
6344 2006-04-02 Roger Sayle <roger@eyesopen.com>
6347 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6348 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6350 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6352 PR tree-optimization/26939
6353 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6355 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6357 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6358 at_stmt. Convert the type of operands before calling
6359 build_polynomial_chrec.
6360 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6362 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6363 (instantiate_parameters_1): Convert the type of operands before calling
6364 build_polynomial_chrec.
6365 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6366 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6367 reset_evolution_in_loop): Insert asserts to check the types of the
6369 (chrec_type): Moved...
6370 (eq_evolutions_p): Use operand_equal_p.
6371 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6372 the types of the operands.
6373 (chrec_type): ...here.
6374 * tree-data-ref.c (create_data_ref): Convert the operands before
6375 calling chrec_replace_initial_condition.
6376 (same_access_functions, analyze_subscript_affine_affine,
6377 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6378 (compute_subscript_distance, analyze_ziv_subscript,
6379 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6380 analyze_miv_subscript): Convert the operands before calling
6381 chrec_fold_minus or chrec_fold_plus.
6383 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6385 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6386 the dependence_relations vector.
6387 (compute_data_dependences_for_loop): Adjust call to
6388 compute_all_dependences.
6390 2006-04-01 Roger Sayle <roger@eyesopen.com>
6391 Richard Henderson <rth@redhat.com>
6393 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6394 gimple_boolify on the condition before calling gimplify_expr.
6396 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6398 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6399 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6400 the frame size. Update to use the new macros.
6401 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6402 * config/xtensa/ieee754-df.S: Likewise.
6404 2006-03-31 Richard Henderson <rth@redhat.com>
6406 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6407 (make_edges): ... here. Control fallthru creation with a local
6408 variable. Do not play with fake edges.
6409 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6410 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6413 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6415 * dwarf2.h (DW64_CIE_ID): Define.
6416 * dwarf2out.c (DWARF_CIE_ID): Define.
6417 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6418 length header. Use DWARF_CIE_ID.
6419 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6420 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6422 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6424 * config/sh/linux-atomic.asm: New file.
6425 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6427 2006-03-31 DJ Delorie <dj@redhat.com>
6429 * config/m32c/cond.md: Set condition flags properly throughout.
6430 * config/m32c/minmax.md: Likewise.
6431 * config/m32c/prologue.md: Likewise.
6432 * config/m32c/bitops.md: Likewise.
6433 * config/m32c/muldiv.md: Likewise.
6434 * config/m32c/mov.md: Likewise.
6435 * config/m32c/addsub.md: Likewise.
6436 * config/m32c/m32c.md: Likewise.
6437 * config/m32c/jump.md: Likewise.
6438 * config/m32c/shift.md: Likewise.
6440 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6441 conditionally output the pattern for this.
6442 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6443 (m32c_compare_redundant): New.
6444 (m32c_output_compare): New.
6445 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6447 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6448 dest, not src. Allow other 4-byte modes.
6450 2006-03-30 Denis Chertykov <denisc@overta.ru>
6452 * doc/md.texi: Refer to avr/constraints.md instead of
6455 2006-03-30 Roger Sayle <roger@eyesopen.com>
6457 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6458 signed vs. unsigned comparison failures on some hosts.
6460 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6463 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6464 change to FLOAT_REGS.
6466 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6467 (rs6000_override_options): Use it.
6468 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6469 only for -mabi=spe/no-spe and -mabi=altivec.
6471 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6473 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6476 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6478 * Makefile.in: Rename docdir to gcc_docdir.
6480 2006-03-30 Roger Sayle <roger@eyesopen.com>
6483 * expr.c (emit_group_store): Optimize group stores into a pseudo
6484 register by using a paradoxical subreg to initialize the destination
6485 if the first or last member of the group specifies a "low part".
6487 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6490 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6491 * target.h (struct gcc_target.speculate_insn): Change type of the
6492 second parameter to 'int'.
6493 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6494 the second operand of the DEPS_LIST.
6495 (copy_DEPS_LIST_list): Update reference to the second operand of the
6497 * rtl.h (alloc_DEPS_LIST): Update signature.
6498 * sched-int.h (ds_t): Change typedef to 'int'.
6499 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6501 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6503 * haifa-sched.c (try_ready): Change condition to restore
6504 non-speculative pattern of the instruction.
6505 (process_insn_depend_be_in_spec): Code to keep probability of the
6506 speculative dependence non-decreasing.
6508 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6510 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6511 (single_move_for_movmem): ... this. Also change all uses.
6512 (bfin_expand_strmov): Renamed to...
6513 (bfin_expand_movmem): ... this. Also change all uses.
6514 * config/bfin/bfin.md (movstrsi): Renamed to...
6515 (movstrsi): ...this.
6517 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6519 PR tree-optimization/26830
6521 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6522 (copy_prop_visit_stmt): Remove write-only variable ann.
6523 (init_copy_prop): Check variable loop depth here. Do not simulate
6524 memory-tag and virtual operand PHIs except for store copy prop.
6526 2006-03-30 Richard Guenther <rguenther@suse.de>
6528 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6529 variants with double arguments.
6531 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6533 * genpreds.c (write_tm_constrs_h): Delete variable p.
6534 * genconditions.c (write_header): Add tm-constrs.h to included
6536 * genpeep.c (main): Add toplev.h to included headers.
6537 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6538 (build/genpeep.o): Add toplev.h dependency.
6539 * config/rs6000/constraints.md: Add "W" constraint.
6541 2006-03-29 Roger Sayle <roger@eyesopen.com>
6543 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6544 sizes by correctly testing whether the size fits a host integer.
6545 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6546 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6547 SImode range for the default sizetype and bitsizetype.
6549 2006-03-29 Roger Sayle <roger@eyesopen.com>
6551 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6552 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6553 quickly if the argument is already of the correct type.
6554 Call fold_build1 instead of build1. Tidy up blank lines.
6556 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6558 * genemit.c (main): Add tm-constrs.h to included headers.
6559 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6560 * genpeep.c (main): Add tm-constrs.h to included headers.
6561 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6562 (write_tm_constrs_h): this and write complete file.
6563 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6564 (write_insn_preds_c): Add tm-constrs.h to included headers.
6565 (gen_constrs): New variable.
6566 (parse_option): Parse "-c".
6567 (main): Invoke write_tm_constrs_h.
6568 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6569 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6570 (object_out_file): Add tm-constrs.h dependency.
6571 (insn-emit.o): Same.
6572 (insn-output.o): Same.
6573 (insn-peep.o): Same.
6574 (insn-preds.o): Same.
6575 (insn-recog.o): Same.
6576 (tm-constsr.h): New target.
6577 (s-constrs-h): New target.
6579 * config/rs6000/constraints.md: New file.
6580 * config/rs6000/rs6000.c: Include tm-constrs.h.
6581 (num_insn_constant_wide): Convert to satisfies_constraint.
6582 (rs6000_rtx_costs): Convert to satisfies_constraint.
6583 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6584 (CONST_OK_FOR_LETTER_P): Delete.
6585 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6586 (EXTRA_CONSTRAINT): Delete.
6587 (EXTRA_MEMORY_CONSTRAINT): Delete.
6588 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6589 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6590 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6591 satisfies_constraint.
6593 * config/i386/i386.c: Include tm-constrs.h.
6595 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6597 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6598 * tree-data-ref.c (find_data_references_in_loop,
6599 compute_data_dependences_for_loop): Use pointers to VEC.
6600 (analyze_all_data_dependences): Adjust calls.
6601 * tree-data-ref.h (find_data_references_in_loop,
6602 compute_data_dependences_for_loop): Adjust declarations.
6603 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6604 compute_data_dependences_for_loop.
6606 2006-03-29 Paul Brook <paul@codesourcery.com>
6608 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6611 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6613 PR tree-optimization/26859
6614 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6616 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6617 for the step after fold_convert.
6619 2006-03-29 Paul Brook <paul@codesourcery.com>
6621 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6622 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6624 2006-03-29 Paul Brook <paul@codesourcery.com>
6627 * targhooks.c (default_narrow_bitfield): New fuction.
6628 * targhooks.h (default_narrow_bitfield): add prototype.
6629 * target.h (gcc_target): Add narrow_volatile_bitfield.
6630 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6631 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6632 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6633 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6635 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6637 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6639 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6640 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6641 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6642 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6643 (s390_function_arg_float): Allow SDmode and DDmode values to be
6644 passed in floating point registers.
6645 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6646 check with SCALAR_FLOAT_MODE_P.
6647 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6649 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6651 PR tree-optimization/25985
6652 * tree-ssa-loop-niter.c (number_of_iterations_le,
6653 number_of_iterations_ne): Make comments more precise.
6654 (number_of_iterations_cond): Add only_exit argument. Use the
6655 fact that signed variables do not overflow only when only_exit
6657 (loop_only_exit_p): New.
6658 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6659 number_of_iterations_cond.
6661 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6663 PR tree-optimization/26643
6664 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6667 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6669 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6670 (divsi3_i4_int): Likewise.
6672 2006-03-28 Roger Sayle <roger@eyesopen.com>
6674 * expr.c (emit_group_store): Only create a new pseudo reg if the
6675 quantity it needs to hold isn't already a suitable pseudo.
6677 2006-03-28 Jeff Law <law@redhat.com>
6679 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6680 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6682 2006-03-28 Roger Sayle <roger@eyesopen.com>
6684 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6685 the equivalent ~X & Y, and the symmetry related transformations.
6686 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6687 ~X & Y, and symmetry related transforms.
6689 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6691 Revert my 2006-03-27 patches.
6693 2006-03-28 Roger Sayle <roger@eyesopen.com>
6695 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6696 ~(T1)X, when T1 and T2 are integer types of the same precision
6697 and (T2)X isn't an extension.
6699 2006-03-28 Jeff Law <law@redhat.com>
6701 PR tree-optimization/26796
6702 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6703 need EH edge cleanups rather than purging them immediately.
6704 (eliminate_degenerate_phis): Handle queued EH cleanups.
6706 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6708 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6711 2006-03-27 Roger Sayle <roger@eyesopen.com>
6714 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6715 cast BIT_NOT_EXPR operand to the correct type.
6717 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6719 * tree-loop-linear.c: Don't include varray.h.
6720 (gather_interchange_stats, try_interchange_loops,
6721 linear_transform_loops): Use VEC instead of VARRAY.
6722 * lambda-mat.c: Don't include varray.h.
6723 * tree-chrec.c: Same.
6724 * lambda-trans.c: Same.
6725 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6726 VEC instead of VARRAY.
6727 * tree-vectorizer.h: Idem.
6728 * tree-data-ref.c (dump_data_references,
6729 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6730 initialize_data_dependence_relation, finalize_ddr_dependent,
6731 compute_all_dependences, find_data_references_in_loop,
6732 compute_data_dependences_for_loop, analyze_all_data_dependences,
6733 free_dependence_relation, free_dependence_relations,
6734 free_data_refs): Idem.
6735 * tree-data-ref.h (data_reference_p, subscript_p): New.
6736 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6737 VEC instead of VARRAY.
6738 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6739 (find_data_references_in_loop, compute_data_dependences_for_loop,
6740 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6741 dump_data_dependence_relations, free_dependence_relations,
6742 free_data_refs): Adjust declaration.
6743 (lambda_transform_legal_p): Move declaration here...
6744 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6745 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6746 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6747 vect_analyze_data_refs): Use VEC instead of VARRAY.
6748 * lambda.h (lambda_transform_legal_p): ...from here.
6749 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6750 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6751 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6752 tree-chrec.o): Don't depend on VARRAY_H.
6754 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6756 * rtl.def (Copyright): Update date.
6757 (DEPS_LIST): Change type of the second operand to 'int'.
6758 * target.h (Copyright): Update date.
6759 (struct gcc_target.speculate_insn): Change type of the second parameter
6761 * lists.c (Copyright): Update date.
6762 (alloc_DEPS_LIST): Change signature. Update reference to the second
6763 operand of the DEPS_LIST.
6764 (copy_DEPS_LIST_list): Update reference to the second operand of the
6766 * rtl.h (Copyright): Update date.
6767 (alloc_DEPS_LIST): Update signature.
6768 * sched-int.h (Copyright): Update date.
6769 (ds_t): Change typedef to 'int'.
6770 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6772 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6774 * haifa-sched.c (Copyright): Update date.
6775 (try_ready): Change condition to restore non-speculative pattern
6777 (process_insn_depend_be_in_spec): Code to keep probability of the
6778 speculative dependence non-decreasing.
6780 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6782 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6783 shut up the compiler.
6785 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6787 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6788 to use lib prefix for target.
6789 ($(T)libic_invalidate_array_4-200.a): Likewise.
6790 ($(T)libic_invalidate_array_4a.a): Likewise.
6792 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6793 J"orn Rennecke <joern.rennecke@st.com>
6795 * superh.opt: New file.
6796 * sh.c (boardtype, osruntime): Remove.
6797 * superh.h (SUBTARGET_OPTIONS): Remove.
6798 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6800 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6801 arguments with ^ and/or [].
6803 * config.gcc (sh-*-*): Add quoting to account for quirk of
6805 Replace == with = in enable_incomplete_targets test.
6807 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6808 with MASK_LITTLE_ENDIAN.
6810 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6811 * config/sh/sh.opt: Added to some comments.
6812 * config/sh/superh.h: Removed some chaff.
6814 * config/sh/sh.opt: Add m4-[1234]00* options.
6815 * config/sh/sh.c (sh_handle_option): Likewise.
6816 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6817 (ic_invalidate_array_4-100.o): New rule.
6818 ($(T)libic_invalidate_array_4-100.a): Likewise.
6819 (ic_invalidate_array_4-200.o): Likewise.
6820 ($(T)libic_invalidate_array_4-200.a): Likewise.
6821 (ic_invalidate_array_4a.o): Likewise.
6822 ($(T)libic_invalidate_array_4a.a): Likewise.
6823 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6824 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6826 * config/sh/crt1.asm: Merged in profiling code.
6827 * config/sh/superh.h (STARTFILE_SPEC): Override.
6828 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6829 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6830 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6832 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6833 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6834 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6836 * sh.opt (mpretend-cmove): New option.
6837 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6838 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6839 (movsicc): Add TARGET_PRETEND_CMOVE code.
6841 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6843 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6844 s390_class_max_nregs): New function prototypes.
6845 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6846 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6847 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6848 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6850 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6852 * dwarf2out.c (add_location_or_const_value_attribute): Call
6853 tree_add_const_value_attribute if nothing else works.
6854 (reference_to_unused): New.
6855 (rtl_for_decl_init): Use reference_to_unused to decide whether
6856 to output an initializer.
6858 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6861 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6862 peephole removing spe frob_di_df_2.
6864 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6866 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6867 (subscript_dependence_tester_1): Declared.
6868 (print_dir_vectors, print_dist_vectors): New.
6869 (debug_data_dependence_relation): New.
6870 (dump_data_dependence_relation): Print more details.
6871 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6872 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6873 (save_dist_v, save_dir_v, add_outer_distances,
6874 build_classic_dist_vector_1): New.
6875 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6876 Don't test for lambda_vector_lexico_pos.
6877 (same_access_functions, add_multivariate_self_dist,
6878 add_other_self_distances, dir_from_dist): New.
6879 (build_classic_dir_vector): Replace implementation almost identical to
6880 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6882 (subscript_dependence_tester_1): New.
6883 (subscript_dependence_tester): Handle the lexicographically negative
6884 distance vectors by recomputing the dependence relation.
6885 (compute_affine_dependence): Remove parameter loop_nest_depth.
6886 (compute_self_dependence): Don't call compute_subscript_distance.
6887 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6888 Add a parameter for the loop_nest.
6889 (find_loop_nest_1, find_loop_nest): New.
6890 (compute_data_dependences_for_loop): Compute the loop nest, and give
6891 up if the nest is not well formed.
6892 * tree-data-ref.h (loop_p): New.
6893 (struct data_dependence_relation): Replace size_vect field with
6894 loop_nest, a vec of loops.
6895 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6896 (DDR_LOOP_NEST): New.
6897 (print_dir_vectors, print_dist_vectors,
6898 debug_data_dependence_relation): Declared.
6899 (index_in_loop_nest): New.
6900 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6901 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6904 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6906 * simplify-rtx.c (simplify_relational_operation): Call
6907 simplify_relational_operation_1 even if mode is VOIDmode.
6909 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6911 PR tree-optimization/26804
6912 * tree.h (DECL_CALL_CLOBBERED): New macro.
6913 (tree_decl_common): Add call_clobbered_flag.
6914 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6915 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6916 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6917 (mark_non_addressable): Ditto.
6918 * tree-ssa.c (verify_call_clobbered): New function.
6919 (verify_alias_info): Use it.
6920 * tree-pass.h (pass_reset_cc_flags): New prototype.
6921 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6922 (reset_cc_flags): New function.
6923 * passes.c (init_optimization_passes): Call reset_cc_flags after
6924 initializing referenced_vars.
6926 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6927 Roger Sayle <roger@eyesopen.com>
6930 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6931 to 1.0 for non-real operands. Implement A / A optimization for
6934 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6936 * config/i386/i386.c (size_cost): Correct the comment for
6937 cost of storing fp registers.
6938 (i386_cost): Likewise.
6939 (i486_cost): Likewise.
6940 (pentium_cost): Likewise.
6941 (pentiumpro_cost): Likewise.
6942 (k6_cost): Likewise.
6943 (athlon_cost): Likewise.
6944 (k8_cost): Likewise.
6945 (pentium4_cost): Likewise.
6946 (nocona_cost): Likewise.
6947 (generic64_cost): Likewise.
6948 (generic32_cost): Likewise.
6950 2006-03-24 Denis Chertykov <denisc@overta.ru>
6952 * config/avr/avr-protos.h (extra_constraint): Delete.
6953 (extra_constraint_Q): New declaration.
6954 * config/avr/constraints.md: New file.
6955 * config/avr/avr.md: Include it.
6956 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6957 (TMP_REGNO, ZERO_REGNO): Likewise.
6958 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6959 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6960 (extra_constraint): Delete.
6961 (extra_constraint_Q): Test for memory constraint 'Q'.
6962 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6963 (REG_CLASS_FROM_LETTER): Delete.
6964 (CONST_OK_FOR_LETTER_P): Delete.
6965 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6966 (EXTRA_CONSTRAINT): Delete.
6967 (TMP_REGNO): Delete.
6968 (ZERO_REGNO): Delete.
6970 2006-03-24 Jeff Law <law@redhat.com>
6972 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6973 directly. Call mark_new_vars_to_rename slightly earlier.
6975 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6977 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6979 (gen_compile_unit_die): Use new language types for Objective-C and
6981 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6982 DW_LANG_C_plus_plus.
6985 * config/t-darwin (crt3.o): Work around bug 26840.
6986 * config/darwin-crt3.c: Rewrite.
6987 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6989 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6991 * doc/invoke.texi: Document -femit-class-debug-always
6992 * common.opt: Add -femit-class-debug-always.
6994 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6996 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6997 index and base register.
6998 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6999 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7000 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7001 REGNO_OK_FOR_INDEX_P.
7002 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7004 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7005 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7006 REG_OK_FOR_BASE_P): Definitions removed.
7008 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7011 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7012 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7013 set yet or weren't marked as local yet.
7015 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7017 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7020 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7022 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7023 (rs6000_legitimate_small_data_p): Delete.
7024 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7025 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7026 and make static. Add forward declaration. Update uses.
7027 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7028 of offsettable_memref_p.
7029 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7030 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7032 2006-03-24 Jeff Law <law@redhat.com>
7034 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7035 around bug in immediate-use iterator.
7037 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7040 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7041 or __LITTLE_ENDIAN__.
7043 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7045 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7046 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7047 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7048 * config/sh/sh.opt (mdiv=): Amend description.
7049 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7050 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7051 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7052 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7053 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7054 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7055 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7056 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7057 TARGET_DIVIDE_CALL_FP.
7059 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7061 * haifa-sched.c (choose_ready): Fix type of the local variable.
7062 Move local variables. Add comment.
7063 (check_reg_live): Change signature. Make callable from debugger.
7064 * sched-int.h (check_reg_live): Update signature.
7065 * sched-ebb.c (check_reg_live): Update parameters.
7066 * sched-rgn.c (check_reg_live): Ditto.
7067 (region_head_or_leaf_p): Check pointer before dereferencing.
7068 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7069 before reload on optimization levels below 1.
7071 2006-03-23 Richard Henderson <rth@redhat.com>
7073 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7077 * config/alpha/predicates.md (local_symbolic_operand): Reject
7080 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7083 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7084 expressions which have overflowed constants.
7086 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7088 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7090 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7092 * cfgloopmanip.c (create_loop_notes): Removed.
7093 * final.c (final_scan_insn): Do not handle loop notes.
7094 * jump.c (squeeze_notes): Ditto.
7095 * cfglayout.c (skip_insns_after_block,
7096 duplicate_insn_chain): Ditto.
7097 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7099 * cfgloop.h (create_loop_notes): Declaration removed.
7101 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7103 * varasm.c (output_constant_pool): Restore fnname and fndecl
7105 (assemble_start_function): Adjust call accordingly.
7106 (assemble_end_function): Likewise.
7108 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7111 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7114 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7116 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7119 * system.h (ICE_EXIT_CODE): New macro.
7120 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7121 (diagnostic_action_after_output): Likewise.
7122 * gcc.c (fatal_ice): New function.
7123 (execute): Use it instead of fatal.
7124 (fancy_abort): Likewise.
7125 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7127 2006-03-22 Jeff Law <law@redhat.com>
7129 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7130 iv_analyze_result returning false.
7132 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7134 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7136 2006-03-22 Richard Henderson <rth@redhat.com>
7139 * except.c (duplicate_eh_regions_0): New.
7140 (duplicate_eh_region_1): Duplicate the children of the node as
7141 well as the node itself. Link them up properly.
7142 (duplicate_eh_region_2): Merge into ...
7143 (duplicate_eh_regions): ... here. Take copy_region argument, and
7144 copy only a sub-tree if asked. Simplify copying and fixup.
7145 (eh_region_outer_p): New.
7146 * except.h (duplicate_eh_regions): Update decl.
7147 (eh_region_outer_p): Declare.
7148 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7149 (lower_omp_master): Likewise.
7150 (lower_omp_ordered): Likewise.
7151 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7152 (move_stmt_r): Use it to remap labels. Handle recursion vs
7153 remap_decls_p properly.
7154 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7155 (find_outermost_region_in_block): New.
7156 (new_label_mapper): New.
7157 (move_sese_region_to_fn): Copy eh information to the new function
7159 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7161 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7164 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7166 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7167 into shared libraries.
7169 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7171 * doc/md.texi: Refer to i386/constraints.md instead of
7173 * config/i386/constraints.md: New file, extracted from...
7174 * config/i386/predicates.md: ...here.
7175 * config/i386/i386.md: Include constraints.md.
7177 2006-03-21 Jason Merrill <jason@redhat.com>
7179 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7182 * expr.c (init_block_move_fn): Force default visibility.
7183 (init_block_clear_fn): Likewise.
7184 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7185 * targhooks.c (default_external_stack_protect_fail): Likewise.
7187 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7189 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7190 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7191 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7192 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7193 (loadgp): Use mips_current_loadgp_style.
7194 (loadgp_noshared): New pattern.
7195 (sibcall_internal): Use MIPS_CALL.
7196 (sibcall_value_internal): Likewise.
7197 (sibcall_value_multiple_internal): Likewise.
7198 (call_internal): Likewise.
7199 (call_value_internal): Likewise.
7200 (call_value_multiple_internal): Likewise.
7201 (call_split): Use MIPS_CALL and add an 'S' constraint.
7202 (call_value_split): Likewise.
7203 (call_value_multiple_split): Likewise.
7204 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7205 (-mshared): New option.
7206 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7207 (mips_current_loadgp_style): Declare.
7208 * config/mips/mips.c (mips_classify_symbol): Avoid using
7209 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7210 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7211 TARGET_ABSOLUTE_ABICALLS.
7212 (override_options): Adjust comments. Improve the warning that is
7213 issued when -mabicalls and -G are used together.
7214 (mips_file_start): Remove comment.
7215 (mips_current_loadgp_style): New function.
7216 (mips_gnu_local_gp): New variable.
7217 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7219 (mips_output_function_prologue): Use mips_current_laodgp_style.
7220 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7221 the cprestore instruction.
7222 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7223 live for TARGET_ABSOLUTE_ABICALLS.
7224 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7225 (ASM_SPEC): Pass down -mshared and -mno-shared.
7226 (MIPS_CALL): New macro.
7227 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7229 * doc/invoke.texi (-mabicalls): Update documentation.
7230 (-mshared): Document.
7232 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7234 * config/ia64/unwind-hpux.c: New file.
7235 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7237 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7240 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7242 2006-03-21 Jeff Law <law@redhat.com>
7244 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7245 type conversions of a VR_VARYING source to a wider type.
7247 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7249 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7250 tm_file on Solaris 10 and later.
7251 (sparc64-*-solaris2*): Likewise.
7252 (sparc-*-solaris2*): Likewise.
7253 * config/sol26.h: Rename to config/sol2-6.h.
7254 * config/sol2-10.h: New file.
7256 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7259 * tree-ssa-pre.c (create_component_ref_by_pieces):
7262 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7265 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7266 return it immediately.
7268 2006-03-21 Michael Matz <matz@suse.de>
7270 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7272 (remove_arc, add_arc): Update num_out_arcs member.
7273 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7275 (cache_presence): New function.
7276 (compare_states_for_equiv): New function.
7277 (state_is_differed): Don't take number of outargs, adjust callers.
7278 Use new invariant for speeding up.
7279 (init_equiv_class): Create initial classes based on sorted
7281 (partition_equiv_class): Don't track out_arcs_num.
7282 (evaluate_equiv_classes): Call cache_presence on all states and
7285 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7287 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7288 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7289 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7290 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7292 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7293 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7294 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7295 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7296 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7298 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7299 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7300 (REGNO_REG_CLASS): ARGP is in PREGS.
7301 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7303 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7304 to deal with those addresses.
7305 * addresses.h: New file.
7306 * caller-save.c: Include "addresses.h".
7307 (init_caller_save): Use new base_reg_class function.
7308 * rtl-factoring.c: Include "addresses.h".
7309 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7310 * recog.c: Include "addresses.h".
7311 (preprocess_constraints): Use new base_reg_class function.
7312 * regrename.c: Include "addresses.h".
7313 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7314 functions. Keep track of a new var INDEX_CODE to compute valid
7316 (replace_oldest_value_addr): Likewise.
7317 (replace_oldest_value_mem): Use base_reg_class.
7318 * reload.c: Include "addresses.h".
7319 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7320 (find_reloads): Use new base_reg_class function.
7321 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7322 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7323 all callers and prototype changed.
7324 * reload1.c: Include "addresses.h".
7325 (maybe_fix_stack_asms): Use base_reg_class.
7326 * regclass.c: Include "addresses.h".
7327 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7328 (init_reg_autoinc): Use new base_reg_class function.
7329 (record_reg_classes): Likewise.
7330 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7331 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7332 Use new args to compute necessary class.
7334 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7335 regrename.o, rtl-factoring.o): Update dependencies.
7336 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7337 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7338 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7339 REG_OK_FOR_INDEX_P): Delete documentation.
7341 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7343 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7344 from V7 to V9 for Solaris 7 and above.
7346 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7348 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7349 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7350 argument pointers may not alias any other storage.
7351 * common.opt: Define option -fargument-noalias-anything.
7352 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7353 alias semantics is specified by flag_argument_noalias > 2.
7355 2006-03-20 Jeff Law <law@redhat.com>
7357 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7358 (pass_phi_only_cprop): Declare.
7359 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7361 * tree-ssa-dom.c (degenerate_phi_result): New function.
7362 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7363 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7364 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7365 (eliminate_degenerate_phis): Likewise.
7366 (pass_phi_only_cprop): New pass descriptor.
7367 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7368 support code. Callers updated.
7369 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7370 (store_copy_prop): Likewise.
7371 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7373 2006-03-20 Jason Merrill <jason@redhat.com>
7376 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7377 (push_visibility, pop_visibility): Likewise.
7378 * c-pragma.h: Declare them.
7380 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7382 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7384 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7385 parameter and use get_ebb_head_tail.
7386 (sh_md_init_global): Adjust uses of find_regmode_weight.
7388 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7390 * function.h (struct function) <x_tail_recursion_reentry>:
7391 Rename to x_stack_check_probe_note.
7392 (tail_recursion_reentry): Rename to stack_check_probe_note.
7393 * function.c: Replace tail_recursion_reentry with
7394 stack_check_probe_note everywhere.
7395 (expand_function_start): Only emit a note for
7396 stack_check_probe_note with -fstack-protect.
7397 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7399 * emit-rtl.c (remove_unnecessary_notes): Remove.
7400 (pass_remove_unnecessary_notes): Remove.
7401 * rtl.h (remove_unnecessary_notes): Remove prototype.
7402 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7403 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7404 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7406 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7409 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7410 (valid_in_set): Handle ARRAY_REF.
7411 Change "if min_variant or VH" to asserts.
7412 (create_component_ref_by_pieces): Handle ARRAY_REF.
7413 (create_expression_by_pieces): Likewise.
7414 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7416 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7418 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7419 is operand of switch, not str[0].
7421 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7423 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7424 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7426 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7428 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7429 end of insn_extra_address_constraint declaration.
7431 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7433 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7434 (no-sum-in-toc): Same.
7435 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7437 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7438 NO_FP_IN_TOC for -fPIC instead of mask.
7440 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7441 (BOOT_LDFLAGS): Delete.
7443 * config/rs6000/t-aix52: Same.
7445 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7446 (stmsi[345678]_power): New.
7448 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7450 * config/ia64/ia64.opt: Add empty line to end of file.
7452 2006-03-17 Richard Guenther <rguenther@suse.de>
7455 * builtins.c (get_pointer_alignment): For component style references
7456 adjust alignment to the component type alignment. Make sure
7457 to adjust alignment for component access of constants.
7459 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7461 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7464 2006-03-17 Paul Brook <paul@codesourcery.com>
7466 * doc/install.texi: Docuemnt --with-mode.
7467 * config.gcc: Add --with-mode for arm*-*-*.
7468 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7470 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7472 * sh.c (max_labelno_before_reorg): New variable.
7473 (sh_reorg): Initialize it.
7474 (find_barrier): Check max_labelno_before_reorg before using
7475 label_to_alignment. Take length of explicit alignment insns
7476 into account. When seeing a UNSPECV_CONST_END, return it.
7478 * sh.c (fixup_mova): Set mode of affected label to QImode.
7479 (untangle_mova): New function.
7480 (find_barrier): Use it. Check mode of label before decrementing
7482 (sh_reorg): Likewise.
7483 Set mode of all insns back to VOIDmode.
7485 * sh.c (MOVA_LABELREF): New macro.
7486 (mova_p, fixup_mova, sh_reorg): Use it.
7487 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7488 ADDR_DIFF_VEC matches mova.
7490 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7492 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7493 with ATTRIBUTE_UNUSED.
7495 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7497 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7498 pointer, instead of assuming it is possible to derive the
7499 correct args size from a call insn.
7501 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7503 * rtl.h (CONST_INT_P): Define.
7504 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7505 instead of GET_CODE(x) == CONST_INT.
7506 (vax_rtx_costs): Likewise.
7507 (vax_output_int_move): Likewise.
7508 (vax_output_int_add): Likewise.
7509 (legitimate_constant_address_p): Likewise.
7510 (index_term_p): Likewise.
7511 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7512 * config/vax/vax.md (and<mode>3): Likewise.
7513 (ashrsi3): Likewise.
7515 (movstricthi): Likewise.
7516 (movstrictqi): Likewise.
7517 (rotrsi3): Likewise.
7518 (five unnamed insns): Likewise.
7520 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7522 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7523 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7524 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7525 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7526 Pass to ASM_OUTPUT_DWARF_OFFSET.
7527 * dwarf2out.c (debug_frame_section): New.
7528 (output_call_frame_info): Use debug_frame_section. Pass it to
7529 dw2_asm_output_offset.
7530 (output_die): Pass appropriate section to dw2_asm_output_offset.
7531 (output_compilation_unit_header): Likewise.
7532 (output_pubnames): Likewise.
7533 (output_aranges): Likewise.
7534 (enum dw_val_class): Break dw_val_class_lbl_offset into
7535 dw_val_class_lineptr and dw_val_class_macptr.
7536 (add_AT_lbl_offset): Delete.
7537 (add_AT_lineptr): New.
7538 (add_AT_macptr): New.
7539 (AT_lbl): Expect a lineptr or macptr.
7540 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7541 (attr_checksum): Likewise.
7542 (same_dw_val_p): Likewise.
7543 (size_of_die): Likewise.
7544 (value_format): Likewise.
7545 (output_die): Likewise.
7546 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7548 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7549 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7550 * config/darwin-protos.h (darwin_file_start): New.
7551 (darwin_asm_output_dwarf_offset): New.
7552 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7553 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7555 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7556 if not EH section; simplify.
7557 (darwin_file_start): New.
7558 (darwin_asm_output_dwarf_offset): New.
7559 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7561 (DEBUG_INFO_SECTION): Likewise.
7562 (DEBUG_ABBREV_SECTION): Likewise.
7563 (DEBUG_ARANGES_SECTION): Likewise.
7564 (DEBUG_MACINFO_SECTION): Likewise.
7565 (DEBUG_LINE_SECTION): Likewise.
7566 (DEBUG_LOC_SECTION): Likewise.
7567 (DEBUG_PUBNAMES_SECTION): Likewise.
7568 (DEBUG_STR_SECTION): Likewise.
7569 (DEBUG_RANGES_SECTION): Likewise.
7570 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7571 (ASM_OUTPUT_DWARF_OFFSET): New.
7573 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7575 * config.gcc (tm_defines): Always add to previous value rather
7578 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7580 * config/mips/predicates.md (splittable_const_int_operand): New,
7581 split from move_operand.
7582 (splittable_symbolic_operand): New.
7583 (move_operand): Add commentary. Use splittable_const_int_operand.
7584 Inline mips_atomic_symbolic_constant_p.
7585 * config/mips/mips.md: Add combine splitters for handling moves
7586 of splittable_const_int_operands and splittable_symbolic_operands.
7587 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7588 (mips_split_symbol): Declare.
7589 (mips_move_integer): Declare.
7590 * config/mips/mips.c (mips_split_p): Make global.
7591 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7592 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7593 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7594 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7595 (mips_offset_within_object_p): Handle block symbols.
7596 (mips_atomic_symbolic_constant_p): Delete.
7597 (mips_cannot_force_const_mem): Return false for constants that
7598 mips_legitimize_move can handle.
7599 (mips_use_blocks_for_constant_p): New function.
7600 (mips_split_symbol): Make global.
7601 (mips_move_integer): Likewise. Add a temporary register argument.
7602 (mips_legitimize_const_move): Use splittable_const_int_operand and
7603 splittable_symbolic_operand.
7604 (mips_use_anchors_for_symbol_p): New function.
7605 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7606 (mips_split_p): Declare.
7608 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7610 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7611 (mips*-*-linux*): Likewise.
7613 2006-03-16 Roger Sayle <roger@eyesopen.com>
7614 Daniel Speyer <dspeyer@wam.umd.edu>
7617 * tree-dump.c (dump_real): New function.
7618 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7619 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7620 (tree-dump.o): Add $(REAL_H) to the dependencies.
7622 2006-03-16 Roger Sayle <roger@eyesopen.com>
7625 * real.c (real_from_string): If the mantissa is zero, don't bother
7626 parsing the exponent as the result should always be zero.
7628 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7630 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7632 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7634 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7635 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7636 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7637 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7638 ia64_sched_finish_global): New static functions to implement
7639 hooks from gcc_target.sched.
7640 (spec_check_no, max_uid, pending_data_specs): New static variables.
7641 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7642 ia64_spec_check_src_p): New static functions.
7643 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7644 (TARGET_SCHED_ADJUST_COST): Removed.
7645 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7646 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7647 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7648 TARGET_SCHED_GEN_CHECK,
7649 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7650 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7651 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7652 Fixed to handle speculation checks.
7653 (rtx_needs_barrier): Fixed to handle speculative loads and
7655 (ia64_variable_issue): Added code to count speculative loads and their
7657 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7659 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7661 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7663 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7664 (ia64_reorg): Reset stops_p to NULL after it is freed.
7665 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7666 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7667 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7669 (data_speculative, control_speculative, check_load): New attributes.
7670 (mov<mode>_advanced, mov<mode>_speculative,
7671 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7672 zero_extend<mode>di2_speculative,
7673 zero_extend<mode>di2_speculative_advanced): New patterns for
7674 data and control speculative loads.
7675 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7677 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7678 New pattern for data and control speculation checks.
7679 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7680 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7681 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7682 Auxiliary definitions for the patterns.
7683 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7684 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7686 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7688 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7689 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7690 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7691 New resource constraints.
7692 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7694 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7695 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7696 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7697 msched-in-control-spec, msched-ldc, msched-control-ldc,
7698 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7699 msched-prefer-non-control-spec-insns,
7700 msched-count-spec-in-critical-path): New flags to tune speculative
7702 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7703 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7704 msched-in-control-spec, msched-ldc, msched-control-ldc,
7705 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7706 msched-prefer-non-control-spec-insns,
7707 msched-count-spec-in-critical-path): Document new flags.
7709 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7711 * target.h (struct spec_info_def): New opaque declaration.
7712 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7713 speculate_insn, needs_block_p, gen_check,
7714 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7715 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7716 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7717 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7718 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7719 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7721 (TARGET_SCHED): Use new macros.
7722 * rtl.h (copy_DEPS_LIST_list): New prototype.
7723 * sched-int.h (struct sched_info): Change signature of new_ready field,
7724 adjust all initializations. New fields: add_remove_insn,
7725 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7726 region_head_or_leaf_p.
7727 (struct spec_info_def): New structure declaration.
7728 (spec_info_t): New typedef.
7729 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7730 recovery_block, orig_pat.
7731 (glat_start, glat_end): New variables declaraions.
7732 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7734 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7735 DETACH_LIFE_INFO, USE_GLAT.
7736 (enum SPEC_SCHED_FLAGS): New enumeration.
7737 (NOTE_NOTE_BB_P): New macro.
7738 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7739 attach_life_info, debug_spec_status, check_reg_live): New functions.
7740 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7741 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7743 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7744 * ddg.c (get_block_head_tail): Adjust all uses.
7745 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7746 (sms_sched_info): Initialize new fields.
7747 (contributes_to_priority): Removed.
7748 * haifa-sched.c (params.h): New include.
7749 (get_block_head_tail): Adjust all uses.
7750 (ISSUE_POINTS): New macro.
7751 (glat_start, glat_end): New global variables.
7752 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7753 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7754 old_last_basic_block, before_recovery, current_sched_info_var,
7755 rgn_n_insns, luid): New static variables.
7756 (insn_cost1): New function. Move logic from insn_cost to here.
7757 (find_insn_reg_weight1): New function. Move logic from
7758 find_insn_reg_weight to here.
7759 (reemit_notes, move_insn, max_issue): Change signature.
7760 (move_insn1): Removed.
7761 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7762 extend_bb): New static functions to support extension of scheduler's
7764 (generate_recovery_code, process_insn_depend_be_in_spec,
7765 begin_speculative_block, add_to_speculative_block,
7766 init_before_recovery, create_recovery_block, create_check_block_twin,
7767 fix_recovery_deps): New static functions to support
7768 generation of recovery code.
7769 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7770 restore_bb_notes, move_block_after_check, move_succs): New static
7771 functions to support ebb scheduling.
7772 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7773 functions to support handling of register live information.
7774 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7775 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7776 add_jump_dependencies): New static functions.
7777 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7778 consistancy checking.
7779 (debug_spec_status): New function to call from debugger.
7780 (priority): Added code to handle speculation checks.
7781 (rank_for_schedule): Added code to distinguish speculative instructions.
7782 (schedule_insn): Added code to handle speculation checks.
7783 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7784 Fixed to handle ebbs.
7785 (move_insn): Added code to handle ebb scheduling.
7786 (max_issue): Added code to use ISSUE_POINTS of instructions.
7787 (choose_ready): Added code to choose between speculative and
7788 non-speculative instructions.
7789 (schedule_block): Added code to handle ebb scheduling and scheduling of
7790 speculative instructions.
7791 (sched_init): Initialize new variables.
7792 (sched_finish): Free new variables. Print statistics.
7793 (try_ready): Added code to handle speculative instructions.
7794 * lists.c (copy_DEPS_LIST_list): New function.
7795 * sched-deps.c (extend_dependency_caches): New function. Move logic
7796 from create_dependency_caches to here.
7797 (get_dep_weak, ds_merge): Make global.
7798 * genattr.c (main): Code to output prototype for
7799 dfa_clear_single_insn_cache.
7800 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7801 (output_dfa_clean_insn_cache_func): Code to output
7802 dfa_clear_single_insn_cache function.
7803 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7805 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7807 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7808 New static variables.
7809 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7810 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7812 (ebb_sched_info): Initialize new fields.
7813 (get_block_head_tail): Adjust all uses.
7814 (compute_jump_reg_dependencies): Fixed to use glat_start.
7815 (schedule_ebb): Code to remove unreachable last block.
7816 (schedule_ebbs): Added code to update register live information.
7817 * sched-rgn.c (region_sched_info): Initialize new fields.
7818 (get_block_head_tail): Adjust all uses.
7819 (last_was_jump): Removed. Adjust users.
7820 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7821 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7822 Implement new hooks.
7823 (check_dead_notes1): New static function.
7824 (struct region): New fields: dont_calc_deps, has_real_ebb.
7825 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7826 (BB_TO_BLOCK): Fixed to handle EBBs.
7827 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7828 (ebb_head): New static variable.
7829 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7830 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7832 (compute_dom_prob_ps): New assertion.
7833 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7834 global_live_at_start.
7835 (init_ready_list): New assertions.
7836 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7837 (new_ready): Add support for BEGIN_CONTROL speculation.
7838 (schedule_insns): Fixed code that updates register live information
7840 (schedule_region): Fixed to handle EBBs.
7841 (init_regions): Use extend_regions and check_dead_notes1.
7842 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7843 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7844 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7845 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7846 TARGET_SCHED_GEN_CHECK,
7847 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7848 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7849 * doc/invoke.texi (max-sched-insn-conflict-delay,
7850 sched-spec-prob-cutoff): Document.
7852 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7854 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7855 inter_tick, queue_index.
7856 (struct sched_info): Change signature of init_ready_list field.
7857 Adjust all initializations.
7858 (RESOLVED_DEPS): New access macro.
7859 (ready_add): Remove prototype.
7860 (try_ready): Add prototype.
7861 * sched-rgn.c (init_ready_list): Use try_ready.
7862 (schedule_region): Initialize
7863 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7864 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7865 (init_ready_list): Use try_ready.
7866 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7867 * lists.c (remove_list_elem): Remove `static'.
7868 (remove_free_INSN_LIST_elem): New function.
7869 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7870 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7871 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7873 (readyp): New variable.
7874 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7875 change_queue_index, resolve_dep): New static functions.
7876 (try_ready): New function. Adjust callers in sched-rgn.c and
7877 sched-ebb.c to use it instead of ready_add.
7878 (clock_var): Move at the begining of file.
7879 (rank_for_schedule): Fix typo.
7880 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7881 (ready_lastpos): Enforce assertion.
7882 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7884 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7885 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7886 (queue_to_ready): Use free_INSN_LIST_list.
7887 (early_queue_to_ready): Fix typo.
7888 (schedule_block): Init readyp. Move init_ready_list call after the
7889 initialization of clock_var. Fix error in rejecting insn by
7890 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7891 that previously corrected INSN_TICKs. Add code for handling
7893 (set_priorities): Fix typo.
7894 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7895 Clarify comment and code that keeps current_sched_info->next_tail
7898 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7900 * sched-rgn.c (extend_rgns): New static function.
7901 (find_rgns): Use it.
7902 (gather_region_statistics, print_region_statistics): New static
7904 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7905 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7907 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7908 Andrey Belevantsev <abel@ispras.ru>
7910 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7911 * lists.c (unused_deps_list): New variable.
7912 (free_list): Add assertions to verify the proper distinguishing
7913 between INSN_LISTs and DEPS_LISTs.
7914 (find_list_elem, remove_list_elem, remove_list_node): New static
7916 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7917 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7918 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7919 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7921 (free_INSN_LIST_node): Likewise.
7922 * modulo-sched.c (current_sched_info): Initialize flags field.
7923 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7924 * rtl.def (DEPS_LIST): Define.
7925 * rtl.h: Declare new functions from lists.c.
7926 * sched-deps.c (spec_dependency_cache): New static variable.
7927 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7928 (add_dependence): Change return type to void. Move the logic to ...
7929 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7930 (delete_all_dependences): Add comment about forward_dependency_cache.
7931 Handle spec_dependency_cache. Handle DEPS_LISTs.
7932 (fixup_sched_groups): Clarify the change of priority of output
7933 and anti dependencies.
7934 (sched_analyze_2): Adjust add_dependence calls to create data
7935 speculative dependence.
7936 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7937 Adjust all callers. Handle DEPS_LISTS.
7938 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7939 presence of speculation.
7940 (init_dependency_caches, free_dependency_caches):
7941 Handle spec_dependency_cache.
7942 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7943 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7944 New static functions.
7945 (add_or_update_back_dep, add_or_update_back_forw_dep,
7946 add_back_forw_dep, delete_back_forw_dep): New functions.
7947 * sched-int.h (ds_t, dw_t): New typedefs.
7948 (struct sched_info): Add new field flags.
7949 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7950 Prototype new sched-deps.c functions.
7951 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7952 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7953 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7954 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7955 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7956 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7958 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7960 * sched-rgn.c (current_sched_info): Initialize flags field.
7961 (schedule_insns): Initialize current_sched_info before the sched_init
7963 * sched-ebb.c (current_sched_info): Initialize flags field.
7964 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7965 Call add_or_update_back_dep instead of add_dependence.
7966 Create control speculative dependencies.
7967 (schedule_insns): Initialize current_sched_info before the sched_init
7970 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7972 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7974 (sh_fallback_frame_state): Likewise.
7976 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7978 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7979 Do switch on default_use_cxa_atexit.
7980 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7981 * config/darwin-crt3.o: New.
7982 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7983 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7984 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7986 * config/rs6000/t-darwin: Move crt2.o building to here.
7987 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7988 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7991 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7993 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7994 from '! xxx' to '!xxx' for coding-style conformance.
7995 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7996 (EXTRA_CONSTRAINT): Likewise.
7997 * config/vax/vax.md (four unnamed insns): Likewise.
7999 2006-03-15 Paul Brook <paul@codesourcery.com>
8001 * config/arm/arm.c (minipool_pad): New.
8002 (add_minipool_forward_ref): Include pool alignment padding in address
8004 (push_minipool_fix): Set minipool_pad.
8005 (minipool_pad): Ditto.
8007 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8009 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8010 instead of GET_CODE() == MEM and REG_P() instead of
8012 (print_operand_address): Likewise.
8013 (vax_address_cost): Likewise.
8014 (vax_rtx_costs): Likewise.
8015 (vax_notice_update_cc): Likewise.
8016 (vax_output_int_add): Likewise.
8017 (INDEX_REGISTER_P): Likewise.
8018 (BASE_REGISTER_P): Likewise.
8019 (nonindexed_address_p): Likewise.
8020 (vax_mode_dependent_address_p): Likewise.
8021 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8022 (PRINT_OPERAND): Likewise.
8023 * config/vax/vax.md (ashlsi3): Likewise.
8024 (ashlsi3): Likewise.
8025 (some more unnamed insns): Likewise.
8027 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8029 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8030 iterator-style macro.
8031 (mark_control_dependent_edges_necessary): Update the use of
8032 EXECUTE_IF_CONTROL_DEPENDENT.
8034 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8036 * config/sh/predicates.md (cache_address_operand): Special.
8037 (ua_address_operand): Likewise.
8039 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8041 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8043 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8045 2006-03-15 Andreas Schwab <schwab@suse.de>
8047 * gensupport.c (identify_predicable_attribute): Don't free p_false
8048 when it is still in use.
8050 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8052 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8053 the default setting here.
8055 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8057 * tree-pass.h (pass_cfg): Remove.
8058 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8059 * passes.c (pass_cfg): Don't run it.
8061 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8063 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8064 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8066 (stack_regs_mentioned): Update the uses of
8067 stack_regs_mentioned_data. Don't access the array beyond its
8069 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8070 Don't include gt-reg-stack.h.
8072 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8073 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8075 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8078 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8081 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8083 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8085 2006-03-14 Richard Guenther <rguenther@suse.de>
8087 PR tree-optimization/26672
8088 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8091 2006-03-14 Richard Guenther <rguenther@suse.de>
8093 PR tree-optimization/26667
8094 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8095 node for the callees. Always allow inlining if it will shrink
8098 2006-03-14 Richard Guenther <rguenther@suse.de>
8101 * builtins.c (get_pointer_alignment): Prefer alignment
8102 information from decls over that from types.
8104 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8107 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8109 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8111 * config/rs6000/rs6000.opt (mdlmzb): New option.
8112 (msched-prolog, msched-epilog): Use Var not Mask.
8113 * doc/invoke.texi (-mdlmzb): Document.
8114 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8116 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8117 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8119 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8121 PR rtl-optimization/25739
8122 * bt-load.c (augment_live_range): Free tos pointer.
8124 * gensupport.c (identify_predicable_attribute): Free
8126 * gcov.c (create_file_names): Free name pointer.
8128 2006-03-13 Roger Sayle <roger@eyesopen.com>
8131 * stmt.c (emit_case_nodes): Handle the case where the index is a
8132 CONST_INT, where the comparison mode is specified by the index type.
8134 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8136 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8139 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8141 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8142 (*branch_fp_inverted): Likewise.
8144 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8147 * omp-low.c (expand_omp_for_generic): Mark istart0
8148 and iend0 as addressable.
8150 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8152 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8154 2006-03-13 Jeff Law <law@redhat.com>
8156 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8157 virtual operands are interesting.
8158 (vrp_visit_stmt): Corresponding changes.
8160 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8162 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8164 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8165 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8166 * config/bfin/crti.S: Use it instead of __PIC__.
8167 * config/bfin/crtn.S: Likewise.
8169 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8170 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8172 Lose 'G' modifier for call operand.
8173 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8174 recognize 'G' modifier.
8176 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8179 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8180 * stmt.c (expand_case): Likewise.
8182 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8184 PR rtl-optimization/26254
8185 * loop-invariant.c (seq_insns_valid_p): New function.
8186 (move_invariant_reg): Only emit new code if it is valid.
8188 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8190 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8192 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8193 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8194 (commit_one_edge_insertion): Do not look for loop notes.
8196 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8198 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8199 flag_test_coverage out of loop.
8201 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8203 * final.c (shorten_branches): Remove outdated comment, and turn
8204 the if branch that guards it to continue.
8206 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8208 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8209 * cfgloop.h (struct loop): Remove unused fields.
8211 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8213 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8214 (-dL, -fdump-rtl-loop2): Update the dump file names
8216 * doc/invoke.texi: Update dump file names.
8218 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8220 * predict.c (estimate_probability): Remove.
8221 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8222 * basic-block.h (estimate_probability): Remove prototype.
8223 * passes.c (finish_optimization_passes): Dump branch prediction or
8224 profiling heuristics to the .profile tree dump.
8225 (init_optimization_passes): Unqueue pass_branch_prob.
8227 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8229 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8231 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8232 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8234 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8236 * function.h (frame_offset_overflow): Declare.
8237 * function.c (frame_offset_overflow): New function.
8238 (assign_stack_local_1): Call it to detect that the offset overflows.
8239 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8241 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8243 * config/sh/sh.c: Include alloc-pool.h.
8244 (label_ref_list_pool): New alloc pool.
8245 (label_ref_list_t): New type for lists of labels.
8246 (struct pool_node): Make wend a label_ref_list_t.
8247 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8249 (dump_table): Likewise.
8250 (sh_reorg): Set up the alloc pool before using add_constant and
8251 dump_table, and destroy it when finishing.
8253 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8255 * config/mips/mips.c: Remove redundant comment.
8257 2006-03-10 Jason Merrill <jason@redhat.com>
8260 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8261 the target was declared 'register'.
8263 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8265 * genpreds.c (write_insn_constraint_len): Change definition of
8266 insn_constraint_len to return size_t to match the declaration.
8268 2006-03-10 DJ Delorie <dj@redhat.com>
8270 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8272 (m32c_expand_insv): Fix test for an AND mask.
8274 2006-03-10 Richard Guenther <rguenther@suse.de>
8277 * builtins.c (get_pointer_alignment): Handle component
8278 references for field alignment.
8280 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8282 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8283 when building with libgloss.
8284 (sh*elf): Implement --without-fp option.
8285 (sh64-superh-linux*): Don't multilib.
8287 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8289 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8291 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8293 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8294 Set it when one of the replacement functions returned true.
8295 Return TODO_cleanup_cfg if cfgchanged is true.
8296 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8298 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8300 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8301 instead of gen_lowpart.
8303 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8305 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8307 (mips_output_order_conditional_branch): Declare.
8308 * config/mips/mips.h (MIPS_BRANCH): New macro.
8309 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8310 for the comparison. Use gen_condjump.
8311 (mips_output_conditional_branch): Rework interface to take the
8312 asm templates for a direct branch and the inverse of a direct branch.
8313 (mips_output_order_conditional_branch): New function.
8314 (mips_builtin_branch_and_move): New function.
8315 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8316 branch condition. Use gen_single_cc as the condition for
8317 __builtin_mips_upper_* or __builtin_mips_lower_*.
8318 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8319 Use VOIDmode for the branch condition.
8320 * config/mips/predicates.md (order_operator): New predicate.
8321 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8322 (branch_fp): Rename to...
8323 (*branch_fp): ...this. Remove mode from comparison operator.
8324 Use new mips_output_conditional_branch interface.
8325 (branch_fp_inverted): Rename to...
8326 (*branch_fp_inverted): ...this and update as for *branch_fp.
8327 (*branch_zero<mode>): Rename to...
8328 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8329 Use mips_output_order_conditional_branch. Only accept ordered
8331 (*branch_zero<mode>_inverted): Rename to...
8332 (*branch_order<mode>_inverted): ...this and update as for
8333 *branch_order<mode>.
8334 (*branch_equality<mode>): Accept zero as the second operand to
8335 the equality operator. Use the new mips_output_conditional_branch
8337 (*branch_equality<mode>_inverted): Likewise.
8338 (condjump): New expander.
8339 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8341 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8342 (bc1any2t, bc1any2f): Likewise.
8343 (single_cc): New expander.
8344 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8346 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8348 * doc/md.texi: Update documentation of MIPS constraints.
8349 * config/mips/constraints.md: New file.
8350 * config/mips/mips.md: Include it.
8351 * config/mips/mips.c (mips_char_to_class): Delete.
8352 (override_options): Don't initialize mips_char_to_class.
8353 * config/mips/mips.h (mips_char_to_class): Delete.
8354 (REG_CLASS_FROM_LETTER): Delete.
8355 (CONST_OK_FOR_LETTER_P): Delete.
8356 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8357 (EXTRA_CONSTRAINT_Y): Delete.
8358 (EXTRA_CONSTRAINT_STR): Delete.
8359 (CONSTRAINT_LEN): Delete.
8360 (EXTRA_MEMORY_CONSTRAINT): Delete.
8362 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8364 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8365 original fn's eh regions.
8367 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8369 * fold-const.c (build_range_check): Make sure to use a valid type to
8370 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8373 (range_predecessor): New static function.
8374 (range_successor): Likewise.
8375 (merge_ranges): Use them to compute predecessors and successors of
8378 2006-03-09 Roger Sayle <roger@eyesopen.com>
8381 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8382 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8384 2006-03-08 DJ Delorie <dj@redhat.com>
8386 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8387 (addpsi3): Expand to include memory operands. Remove
8388 reload-specific splits.
8389 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8390 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8391 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8392 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8393 (shift1_qi, shift1_hi, insv): New.
8394 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8395 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8396 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8398 * config/m32c/m32c-protos.h: Update as needed.
8399 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8400 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8401 Fail for unrecognized R* constraints.
8402 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8403 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8404 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8406 (m32c_init_libfuncs): New.
8407 (m32c_legitimate_address_p): Add debug wrapper.
8408 (m32c_rtx_costs): New.
8409 (m32c_address_cost): New.
8410 (conversions): Add 'B' prefix.
8411 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8412 operands, or word regnames for QI operands. 'B' prints bit
8414 (m32c_expand_setmemhi): New.
8415 (m32c_expand_movmemhi): New.
8416 (m32c_expand_movstr): New.
8417 (m32c_expand_cmpstr): New.
8418 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8419 (m32c_expand_neg_mulpsi3): Handle non-ints.
8420 (m32c_cmp_flg_0): New.
8421 (m32c_expand_movcc): New.
8422 (m32c_expand_insv): New.
8423 (m32c_scc_pattern): New.
8424 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8425 a0/a1 out of SIregs.
8426 (STORE_FLAG_VALUE): New.
8427 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8430 * config/m32c/mov.md: Make constraints more liberal.
8431 (zero_extendqihi2): Optimize r0/r1 case.
8432 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8433 * config/m32c/predicates.md (m32c_any_operand): New.
8434 (m32c_nonimmediate_operand): New.
8435 (m32c_hl_operand): New.
8436 (m32c_r3_operand): New.
8439 (memsym_operand): New.
8440 (memimmed_operand): New.
8441 (a_qi_operand): New.
8442 (m32c_eqne_operator): New.
8443 (m32c_1bit8_operand): New.
8444 (m32c_1bit16_operand): New.
8445 (m32c_1mask8_operand): New.
8446 (m32c_1mask16_operand): New.
8447 * config/m32c/blkmov.md: New file.
8448 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8450 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8452 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8453 unsigned to fix signed/unsigned comparison issue in
8454 DWARF2_FRAME_REG_OUT.
8455 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8456 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8458 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8459 of ptr into the ENABLE_CHECKING section.
8461 2006-03-08 Jeff Law <law@redhat.com>
8463 * tree-vrp.c (infer_value_range): Only count pointer uses
8464 and dereferences if -fdelete-null-pointer-checks is enabled.
8466 * tree-vrp.c (find_assert_locations): Infer value ranges for
8467 single use pointers, but do not create ASSERT_EXPRs for them.
8468 When a non-null range is inferred for a pointer, backwards
8469 propagate that range to other equivalent pointers through the
8472 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8475 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8476 language hook targets.
8477 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8478 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8479 if language hook targets were missing.
8481 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8483 * tree-ssa-opfinalize.h: Removed.
8484 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8486 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8487 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8488 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8489 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8490 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8491 finalize_ssa_v_must_def_ops): New.
8493 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8495 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8498 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8500 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8502 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8503 addresses with offsets; reorganize.
8505 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8506 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8507 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8509 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8512 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8514 2006-03-08 Ben Elliston <bje@au.ibm.com>
8516 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8518 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8521 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8524 2006-03-07 Richard Guenther <rguenther@suse.de>
8526 PR tree-optimization/26587
8527 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8529 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8531 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8533 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8535 * hooks.c (hook_bool_mode_rtx_true): New function.
8536 * hooks.h (hook_bool_mode_rtx_true): Declare.
8537 * toplev.c (compile_file): Call output_shared_constant_pool.
8538 * varasm.c (shared_constant_pool): New variable.
8539 (assemble_start_function, assemble_end_function): Remove arguments
8540 from call to output_constant_pool.
8541 (create_constant_pool): New function, split out from...
8542 (init_varasm_status): ...here.
8543 (force_const_mem): Choose between the shared and per-function constant
8544 pools. Set current_function_uses_const_pool when reusing old entries
8545 as well as when creating new ones.
8546 (mark_constant): Ignore data argument.
8547 (mark_constants): Remove pool argument.
8548 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8549 to decide whether the function uses a constant pool.
8550 (output_constant_pool_contents): New function, split out from...
8551 (output_constant_pool): ...here.
8552 (output_shared_constant_pool): New function.
8553 (init_varasm_once): Initialize shared_constant_pool.
8554 * output.h (output_constant_pool): Delete.
8555 (output_shared_constant_pool): Declare.
8556 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8557 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8559 2006-03-06 Nick Clifton <nickc@redhat.com>
8561 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8562 flag_strength_reduce.
8564 2006-03-06 Ben Elliston <bje@au.ibm.com>
8566 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8567 x86_64-*-linux* configurations.
8569 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8570 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8572 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8574 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8576 * basic-block.h: Remove the extern for
8577 rediscover_loops_after_threading.
8579 * cfgloop.c (cancel_loop): Make it static.
8580 * cfgloop.h: Remove the prototype for cancel_loop.
8582 * flow.c (recompute_reg_usage): Make it static.
8583 * rtl.h: Remove the prototype for recompute_reg_usage.
8585 * function.c (use_return_register): Make it static.
8586 * function.h: Remove the prototype.
8588 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8590 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8592 * recog.h: Remove the prototype for
8593 validate_change_maybe_volatile.
8595 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8597 * rtlanal.c (replace_reg): Remove.
8598 * rtl.h: Remove the prototype for replace_reg.
8600 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8602 * regclass.c (reg_scan_update): Remove.
8603 (reg_scan_mark_refs): Remove the last argument.
8604 * rtl.h: Remove the prototype for reg_scan_update.
8606 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8608 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8609 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8610 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8611 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8612 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8613 loop-invariant.c, omp-low.c, opts.c, passes.c,
8614 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8615 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8616 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8617 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8618 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8619 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8621 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8623 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8624 * dwarf2out.h: Remove the prototype for
8625 dwarf2out_add_library_unit_info.
8627 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8629 * tree.c (add_var_to_bind_expr): Remove.
8630 * tree.h: Remove the prototype for add_var_to_bind_expr.
8632 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8634 * regclass.c (n_non_fixed_regs): Remove.
8635 (init_reg_sets_1, globalize_reg): Remove all uses of
8637 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8639 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8641 * rtlanal.c (insns_safe_to_move_p): Remove.
8642 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8644 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8646 * expmed.c (expand_mult_add): Remove.
8647 * expr.h: Remove the prototype for expand_mult_add.
8649 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8651 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8652 and REG_SAVED_VAL_EXP constants.
8653 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8654 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8655 Handle regs stored by value.
8656 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8657 (execute_cfa_program): Handle DW_CFA_val_offset,
8658 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8659 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8660 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8661 (uw_install_context_1): Handle target regs stored by value.
8663 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8665 * tree-sra.c (tree_sra): Return todoflags;
8666 (generate_one_element): Set TODO_update_smt_usage if needed.
8667 (pass_sra): Remove TODO_update_smt_usage.
8668 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8670 (tree_ssa_forward_propagate_single_use_vars): Return
8671 TODO_update_smt_usage if we need to update SMT usage.
8672 (pass_forwprop): Remove TODO_update_smt_usage.
8674 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8676 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8677 (correct_use_link): Remove reference to get_stmt_operands.
8678 (update_stmt_operands): Likewise.
8679 (get_modify_expr_operands): New function factored out of
8680 parse_ssa_operands and get_expr_operands.
8681 Try to create V_MUST_DEFs for LHS by default.
8682 (get_expr_operands) <case MODIFY_EXPR>: Call
8683 get_modify_expr_operands.
8684 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8685 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8686 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8687 get_modify_expr_operands.
8689 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8691 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8692 * tree-flow.h: Remove the prototype for
8693 referenced_var_lookup_if_exists.
8695 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8697 PR rtl-optimization/26345
8699 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8701 2006-03-03 Roger Sayle <roger@eyesopen.com>
8703 PR tree-optimization/26524
8704 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8705 fold_convert to create a constant of the appropriate type.
8707 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8709 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8710 SYMBOL_REF_IN_BLOCK_P.
8711 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8712 of SYMBOL_FLAG_IN_BLOCK.
8713 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8714 instead of SYMBOL_REF_IN_BLOCK_P.
8715 * explow.c (use_anchored_address): Likewise.
8716 * rtl.c (rtx_size): Likewise.
8717 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8718 instead of SYMBOL_FLAG_IN_BLOCK.
8719 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8720 SYMBOL_REF_IN_BLOCK_P.
8721 (assemble_variable): Likewise.
8722 (output_constant_def_contents): Likewise.
8723 (output_constant_pool): Likewise.
8724 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8725 instead of SYMBOL_FLAG_IN_BLOCK.
8726 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8727 SYMBOL_REF_IN_BLOCK_P.
8728 (SYMBOL_REF_BLOCK): Likewise.
8729 (SYMBOL_REF_OFFSET): Likewise.
8730 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8731 SYMBOL_REF_IN_BLOCK_P.
8732 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8733 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8734 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8735 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8737 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8739 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8741 2006-03-02 Roger Sayle <roger@eyesopen.com>
8743 * simplify-rtx.c (simplify_unary_operation): When simplifying
8744 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8745 that we perform the right shift in the appropriate mode, and
8746 then extend or truncate the result to requested mode.
8748 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8750 * gengtype.c (main): Handle double_int type.
8751 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8752 * double-int.c: New file.
8753 * double-int.h: New file.
8754 * system.h: Include doubleint.h.
8755 * Makefile.in (SYSTEM_H): Include double-int.h.
8756 (double-int.o): Add.
8758 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8761 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8764 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8766 * tree-vrp.c (remove_range_assertions): Do not update statements
8769 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8771 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8773 * gcse.c (rest_of_handle_gcse): Ditto.
8774 * except.c (gate_handle_eh): Ditto.
8775 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8776 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8778 2006-03-02 Eric Christopher <echristo@apple.com>
8780 * config/i386/i386.c (machopic_output_stub): Add indirection to
8783 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8787 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8789 Sun Niagara specific optimizations.
8790 * config.gcc: Recognize niagara as target.
8791 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8792 (TARGET_CPU_niagara): Define.
8793 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8794 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8795 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8796 (ASM_CPU_SPEC): Likewise.
8797 (PROCESSOR_NIAGARA): New enum entry.
8798 (REGISTER_MOVE_COST): Handle Niagara.
8799 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8800 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8801 (sparc_override_options): Recognize "niagara", set appropriate
8802 default MASK_* values for it, and align functions to 32-bytes
8803 by default just like ULTRASPARC/ULTRASPARC3.
8804 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8805 (sparc64_initialize_trampoline): Likewise.
8806 (sparc_use_sched_lookahead): Use zero for niagara.
8807 (sparc_issue_rate): Use one for niagara.
8808 * config/sparc/niagara.md: New file.
8809 * config/sparc/sparc.md: Include it.
8810 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8811 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8812 when default cpu is niagara.
8813 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8814 (ASM_CPU_SPEC): Likewise.
8815 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8816 when default cpu is niagara.
8817 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8818 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8819 just like v9/ultrasparc/ultrasparc3.
8820 * doc/invoke.texi: Add documentation for "niagara" and improve
8821 existing documentation for ultrasparc variants.
8823 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8825 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8827 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8829 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8830 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8831 and say that only one is needed.
8832 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8833 * target.h (have_switchable_bss_sections): New hook.
8834 * explow.c (use_anchored_address): Check that the symbol is in a block.
8835 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8836 (bss_noswitch_section): New variables.
8837 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8838 (get_noswitch_section): New function.
8839 (get_block_for_section): Allow SECT to be null.
8840 (unlikely_text_section_p): Use SECTION_STYLE.
8841 (bss_initializer_p): New function.
8842 (get_variable_section): Move earlier in file. Take a new argument,
8843 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8844 Return one of the new *_sections in such cases.
8845 (get_block_for_decl): New function, extracting some logic from
8846 use_blocks_for_decl_p.
8847 (change_symbol_section): Remove in favor of...
8848 (change_symbol_block): ...this new function.
8849 (use_blocks_for_decl_p): Remove checks now performed by
8851 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8852 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8853 (emit_local, emit_bss, emit_common): ...these new functions.
8854 Return true if the alignment was honored.
8855 (emit_tls_common): New function.
8856 (asm_emit_uninitialised): Delete.
8857 (assemble_variable_noswitch): New function, split out from...
8858 (assemble_variable): ...here. Don't make decisions about common
8859 variables here. Globalize all public decls that go into non-common
8860 sections. Check whether SYMBOL_REF_BLOCK is null.
8861 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8862 (output_constant_pool): Likewise.
8863 (init_varasm_once): Initialize the new section variables.
8864 (have_global_bss_p): New function.
8865 (categorize_decl_for_section): Use bss_initializer_p.
8866 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8867 (place_block_symbol): Assert that the symbol must be in a block.
8868 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8869 (TARGET_INITIALIZER): Include it.
8870 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8871 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8872 (SECTION_MACH_DEP): Bump by two.
8873 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8874 (unnamed_section): Mention SECTION_UNNAMED in comment.
8875 (named_section): Likewise SECTION_NAMED.
8876 (noswitch_section_callback): New type.
8877 (noswitch_section): New structure.
8878 (section): Add a noswitch_section alternative.
8879 (SECTION_STYLE): New macro.
8880 (tls_comm_section, comm_section, lcomm_section): Declare.
8881 (bss_noswitch_section, have_global_bss_p): Declare.
8882 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8883 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8885 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8886 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8889 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8891 * tree-vrp.c (execute_vrp): Return value.
8892 * regrename.c (rest_of_handle_regrename): Ditto.
8893 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8894 * tree-complex.c (tree_lower_complex): Ditto.
8895 (tree_lower_complex_O0): Ditto.
8896 * tracer.c (rest_of_handle_tracer): Ditto.
8897 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8898 * postreload.c (rest_of_handle_postreload): Ditto.
8899 * tree-tailcall.c (execute_tail_recursion): Ditto.
8900 (execute_tail_calls): Ditto.
8901 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8902 * tree.h (init_function_for_compilation): Ditto.
8903 * ipa-cp.c (ipcp_driver): Ditto.
8904 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8905 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8906 * final.c (compute_alignments): Ditto.
8907 (rest_of_handle_final): Ditto.
8908 (rest_of_handle_shorten_branches): Ditto.
8909 (rest_of_clean_state): Ditto.
8910 * omp-low.c (execute_expand_omp): Ditto.
8911 (execute_lower_omp): Ditto.
8912 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8913 * ipa-reference.c (static_execute): Ditto.
8914 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8915 * reorg.c (rest_of_handle_delay_slots): Ditto.
8916 (rest_of_handle_machine_reorg): Ditto.
8917 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8918 * flow.c (recompute_reg_usage): Ditto.
8919 (rest_of_handle_remove_death_notes): Ditto.
8920 (rest_of_handle_life): Ditto.
8921 (rest_of_handle_flow2): Ditto.
8922 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8923 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8924 (do_ssa_store_ccp): Ditto.
8925 (execute_fold_all_builtins): Ditto.
8926 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8927 * modulo-sched.c (rest_of_handle_sms): Ditto.
8928 * ipa-pure-const.c (static_execute): Ditto.
8929 * cse.c (rest_of_handle_cse): Ditto.
8930 (rest_of_handle_cse2): Ditto.
8931 * web.c (rest_of_handle_web): Ditto.
8932 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8933 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8934 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8935 * tree-nrv.c (tree_nrv): Ditto.
8936 (execute_return_slot_opt): Ditto.
8937 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8938 (create_structure_vars): Ditto.
8939 * loop-init.c (rtl_loop_init): Ditto.
8940 (rtl_loop_done): Ditto.
8941 (rtl_move_loop_invariants): Ditto.
8942 (rtl_unswitch): Ditto.
8943 (rtl_unroll_and_peel_loops): Ditto.
8944 (rtl_doloop): Ditto.
8945 * gimple-low.c (lower_function_body): Ditto.
8946 (mark_used_blocks): Ditto.
8947 * tree-ssa-sink.c (execute_sink_code): Ditto.
8948 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8949 (cgraph_early_inlining): Ditto.
8950 * global.c (rest_of_handle_global_alloc): Ditto.
8951 * jump.c (cleanup_barriers): Ditto.
8952 (purge_line_number_notes): Ditto.
8953 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8954 (rest_of_handle_if_after_reload): Ditto.
8955 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8956 (tree_ssa_loop_im): Ditto.
8957 (tree_ssa_loop_unswitch): Ditto.
8958 (tree_vectorize): Ditto.
8959 (tree_linear_transform): Ditto.
8960 (tree_ssa_loop_ivcanon): Ditto.
8961 (tree_ssa_empty_loop): Ditto.
8962 (tree_ssa_loop_bounds): Ditto.
8963 (tree_complete_unroll): Ditto.
8964 (tree_ssa_loop_prefetch): Ditto.
8965 (tree_ssa_loop_ivopts): Ditto.
8966 (tree_ssa_loop_done): Ditto.
8967 * predict.c (tree_estimate_probability): Ditto.
8968 * recog.c (split_all_insns_noflow): Ditto.
8969 (rest_of_handle_peephole2): Ditto.
8970 (rest_of_handle_split_all_insns): Ditto.
8971 * tree-eh.c (lower_eh_constructs): Ditto.
8972 * regmove.c (rest_of_handle_regmove): Ditto.
8973 (rest_of_handle_stack_adjustments): Ditto.
8974 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8975 * function.c (instantiate_virtual_regs): Ditto.
8976 (init_function_for_compilation): Ditto.
8977 (rest_of_handle_check_leaf_regs): Ditto.
8978 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8979 (rest_of_handle_gcse): Ditto.
8980 * ipa-type-escape.c (type_escape_execute): Ditto.
8981 * alias.c (rest_of_handle_cfg): Ditto.
8982 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8983 * profile.c (rest_of_handle_branch_prob): Ditto.
8984 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8985 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8986 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8987 * tree-dfa.c (find_referenced_vars): Ditto.
8988 * except.c (set_nothrow_function_flags): Ditto.
8989 (convert_to_eh_region_ranges): Ditto.
8990 (rest_of_handle_eh): Ditto.
8991 * emit-rtl.c (unshare_all_rtl): Ditto.
8992 (remove_unnecessary_notes): Ditto.
8993 * except.h (set_nothrow_function_flags): Ditto.
8994 (convert_to_eh_region_ranges): Ditto.
8995 * cfgexpand.c (tree_expand_cfg): Ditto.
8996 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8997 * tree-ssa-pre.c (do_pre): Ditto.
8998 (execute_fre): Ditto.
8999 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9000 (rest_of_handle_jump2): Ditto.
9001 * tree-sra.c (tree_sra): Ditto.
9002 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9003 (execute_mudflap_function_decls): Ditto.
9004 * tree-ssa-copy.c (do_copy_prop): Ditto.
9005 (do_store_copy_prop): Ditto.
9006 * ipa-prop.h (ipcp_driver): Ditto.
9007 * cfglayout.c (insn_locators_initialize): Ditto.
9008 * tree-ssa-forwprop.c
9009 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9010 * cfglayout.h (insn_locators_initialize): Ditto.
9011 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9012 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9013 (execute_late_warn_uninitialized): Ditto.
9014 * rtl.h (cleanup_barriers): Ditto.
9015 (split_all_insns_noflow): Ditto.
9016 (purge_line_number_notes): Ditto.
9017 (unshare_all_rtl): Ditto.
9018 (remove_unnecessary_notes): Ditto.
9019 (recompute_reg_usage): Ditto.
9020 (variable_tracking_main): Ditto.
9021 * integrate.c (emit_initial_value_sets): Ditto.
9022 * integrate.h (emit_initial_value_sets): Ditto.
9023 * tree-optimize.c (execute_free_datastructures): Ditto
9024 (execute_free_cfg_annotations): Ditto.
9025 (execute_fixup_cfg): Ditto.
9026 (execute_cleanup_cfg_pre_ipa): Ditto.
9027 (execute_cleanup_cfg_post_optimizing): Ditto.
9028 (execute_init_datastructures): Ditto.
9029 * tree-object-size.c (compute_object_sizes): Ditto.
9030 * combine.c (rest_of_handle_combine): Ditto.
9031 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9032 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9033 (rest_of_handle_reorder_blocks): Ditto.
9034 (rest_of_handle_partition_blocks): Ditto.
9035 * var-tracking.c (variable_tracking_main): Ditto.
9036 * tree-profile.c (tree_profiling): Ditto.
9037 * tree-vect-generic.c (expand_vector_operations): Ditto.
9038 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9039 * sched-rgn.c (rest_of_handle_sched): Ditto.
9040 (rest_of_handle_sched2): Ditto.
9041 * basic-block.h (free_bb_insn): Ditto.
9042 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9043 * tree-cfg.c (execute_build_cfg): Ditto.
9044 (remove_useless_stmts): Ditto.
9045 (split_critical_edges): Ditto.
9046 (execute_warn_function_return): Ditto.
9047 (execute_warn_function_noreturn): Ditto.
9048 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9049 * cfgrtl.c (free_bb_for_insn): Ditto.
9050 * passes.c (execute_one_pass): Run additional
9051 todos returned by execute function.
9052 * tree-pass.h (struct tree_opt_pass): Make execute
9055 2006-03-02 Richard Guenther <rguenther@suse.de>
9057 * tree-ssa-alias.c (find_used_portions): Consider taking
9058 the address as making the variable not write-only.
9060 2006-03-02 Nick Clifton <nickc@redhat.com>
9062 * config.gcc (default_use_cxa_atexit): Extend the description of
9063 this configure variable. Set its default value to "yes" for
9064 Linux, NetBSD and ELF targets on the assumption that they will
9065 use C libraries with the __cxa_atexit function.
9067 2006-03-02 Ben Elliston <bje@au.ibm.com>
9069 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9070 parameter as unused to suppress a build warning.
9072 2006-03-02 Ben Elliston <bje@au.ibm.com>
9074 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9077 2006-03-01 Roger Sayle <roger@eyesopen.com>
9080 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9081 declared name, the weak reference name, and the typeof name.
9082 (__gthrw): Avoid expanding the declared name suffix.
9083 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9085 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9087 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9089 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9090 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9091 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9092 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9093 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9094 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9095 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9096 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9097 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9098 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9099 (DW_END_default, DW_END_big, DW_END_little): New.
9100 (DW_END_lo_user, DW_END_hi_user): Define.
9101 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9102 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9103 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9106 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9108 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9110 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9112 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9114 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9116 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9117 to 'symbol_mem_tag'.
9119 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9122 2006-03-01 Roger Sayle <roger@eyesopen.com>
9124 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9126 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9129 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9130 MACHO_DYNAMIC_NO_PIC_P.
9131 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9133 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9136 * config/darwin-protos.h (darwin_asm_output_anchor):
9138 * config/darwin-sections.def (cstring_section):
9139 Add SECTION_MERGE to the flags.
9140 (literal4_section): Likewise.
9141 (literal8_section): Likewise.
9142 (objc_selector_refs_section): Likewise.
9143 (objc_cls_refs_section): Likewise.
9144 * config/darwin.c (darwin_asm_output_anchor): New
9146 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9148 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9150 Fix PR tree-optimization/26443
9151 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9152 to todo and PROP_tmt_usage to properties_destroyed.
9153 * tree-ssa-ccp.c (pass_ccp): Ditto.
9154 (pass_store_ccp): Ditto.
9155 * tree-ssa-dom.c (pass_dominator): Ditto.
9157 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9159 * tree-ssa-operands.c: Cleanup whitespace.
9160 (get_asm_expr_operands): Move before first invocation.
9161 (get_indirect_ref_operands): Likewise.
9162 (get_tmr_operands): Likewise.
9163 (get_call_expr_operands): Likewise.
9164 (append_def): Likewise.
9165 (append_use): Likewise.
9166 (append_v_may_def): Likewise.
9167 (append_v_must_def): Likewise.
9168 (add_call_clobber_ops): Likewise.
9169 (add_call_read_ops): Likewise.
9170 (add_stmt_operand): Likewise.
9171 (add_virtual_operand): Likewise.
9172 (build_ssa_operands): Likewise.
9174 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9179 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9180 with a call expr to ...
9181 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9183 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9185 * tree-vrp.c (extract_range_from_assert): Remove special
9186 handling for types with super-types.
9188 2006-03-01 Ben Elliston <bje@au.ibm.com>
9190 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9191 and powerpc64-*-linux* configurations.
9192 * config/t-dfprules: New file.
9194 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9195 Compile dfp-bit.c from the source directory using -DWIDTH and
9196 $DFP_CFLAGS to control the compilation of that file, rather than
9197 generating width-specific versions in the build directory.
9198 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9199 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9201 2006-02-28 Zack Weinberg <zackw@panix.com>
9203 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9206 2006-02-28 Eric Christopher <echristo@apple.com>
9208 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9209 Set up IN_LIBGCC definition of TARGET_64BIT.
9210 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9212 2006-02-28 Roger Sayle <roger@eyesopen.com>
9215 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9216 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9217 cases via the construction of "expr != 0".
9219 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9221 * alias.c (alias_invariant, alias_invariant_size): Remove.
9222 (record_base_value): Remove.
9223 (memrefs_conflict_p): Don't look at alias_invariant.
9224 (end_alias_analysis): Don't free it.
9225 * alias.h (record_base_value): Remove prototype.
9227 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9228 Adam Nemet <anemet@caviumnetworks.com>
9230 * rtl.h (truncated_to_mode): Declare it.
9231 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9232 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9233 (RTL_HOOKS_INITIALIZER): Include it.
9234 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9235 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9236 reg_truncated_to_mode.
9237 * rtlanal.c (truncated_to_mode): Define it.
9238 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9240 2006-02-28 Jeff Law <law@redhat.com>
9242 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9243 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9244 the range allowed by TYPE_PRECISION.
9246 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9248 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9250 PR tree-optimization/26419
9251 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9254 2006-02-27 Zack Weinberg <zackw@panix.com>
9256 * doc/md.texi: Fix typo in previous change.
9258 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9262 2006-02-27 Zack Weinberg <zackw@panix.com>
9264 * rtl.def (define_constraint, define_register_constraint)
9265 (define_memory_constraint, define_address_constraint): New MD forms.
9266 * gensupport.c (process_rtx): Put define_constraint etc on the
9268 * genpreds.c (process_define_predicate): Adjust comment. Validate
9269 the name, and call validate_exp to validate the expression.
9270 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9271 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9272 all callers changed.
9273 (validate_exp, needs_variable, struct constraint_data)
9274 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9275 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9276 (const_dbl_constraints, constraint_max_namelen)
9277 (have_register_constraints, have_memory_constraints)
9278 (have_address_constraints, have_address_constraints)
9279 (have_extra_constraints, have_const_int_constraints)
9280 (have_const_dbl_constraints, mangle, add_constraint)
9281 (process_define_constraint, process_define_register_constraint)
9282 (write_enum_constraint_num, write_lookup_constraint)
9283 (write_insn_constraint_len, write_regclass_for_constraint)
9284 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9285 (write_insn_extra_memory_constraint)
9286 (write_insn_extra_address_constraint)
9287 (write_satisfies_constraint_fns): New.
9288 (write_tm_preds_h): If we have new-style constraint definitions,
9289 prototype the functions generated from them, and define the
9290 old constraint interface (still used by generic code) in terms of
9292 (write_insn_preds_c): If we have new-style constraint definitions,
9293 generate all relevant functions from those definitions.
9294 (main): Handle define_constraint etc.
9295 * genoutput.c (struct constraint_data, indep_constraints)
9296 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9297 (mdep_constraint_len): New data structures and functions, defined
9298 #ifdef USE_MD_CONSTRAINTS.
9299 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9300 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9301 use new logic to validate operand constraints against constraint
9303 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9305 * defaults.h: If none of the old-style constraint macros are
9306 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9307 old-style macros; and poison REG_CLASS_FROM_LETTER,
9308 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9310 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9311 * doc/md.texi: Document new constraint-definition mechanism and the
9312 C interface it provides. Remove references to old mechanism
9313 elsewhere in the document.
9314 (Machine Constraints): Use pathnames relative to gcc directory,
9315 i.e. config/ARCH/FILE. Change i386 section to refer to
9316 config/i386/predicates.md; update that section to match docstrings.
9317 * doc/tm.texi: Move all documentation of the old constraint-
9318 definition macros to their own section, clearly mark as obsolete.
9320 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9321 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9323 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9324 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9325 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9327 (splits and peepholes): Use satisfies_constraint_*.
9328 * config/i386/i386.c (memory_address_length)
9329 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9331 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9333 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9334 scalar operation to be put back into the loop.
9336 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9339 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9340 (extract_cie_info): Handle S flag in augmentation string.
9341 (execute_cfa_program): If context->signal_frame, execute also
9342 fs->pc == context->ra instructions.
9343 (uw_frame_state_for): If context->signal_frame, don't subtract one
9344 from context->ra to find FDE.
9345 (uw_update_context_1): Set context->signal_frame to
9347 (_Unwind_GetIPInfo): New function.
9348 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9349 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9351 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9352 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9353 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9354 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9355 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9356 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9357 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9358 x86_64_fallback_frame_state): Set fs->signal_frame.
9359 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9360 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9361 (frob_update_context): Likewise. Workaround missing S flag in
9362 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9363 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9364 Remove the psw_addr + 1 hack.
9366 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9368 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9369 with aggregates here.
9370 (find_func_aliases): Remove code for &<aggregate> from here.
9372 2006-02-26 Roger Sayle <roger@eyesopen.com>
9374 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9375 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9376 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9379 2006-02-26 Roger Sayle <roger@eyesopen.com>
9382 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9384 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9386 * opts.c (decode_options): Do not handle flag_strength_reduce.
9387 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9388 and OPT_fstrength_reduce.
9389 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9390 flag_prefetch_loop_arrays for being nonzero.
9391 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9393 (fprefetch-loop-arrays-rtl): Removed.
9394 (flag_prefetch_loop_arrays): Do not specify the value.
9396 * doc/passes.texi: Update documentation of loop optimizer
9398 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9399 -frerun-loop-opt): Remove.
9401 2006-02-26 Richard Guenther <rguenther@suse.de>
9403 PR tree-optimization/26421
9404 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9405 in function calls that are ADDR_EXPRs as using the whole structure.
9407 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9409 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9410 * tree-pass.h (pass_loop_optimize): Remove.
9411 * passes.c (pass_loop_optimize): Never run it.
9412 * toplev.c (backend_init): Don't call init_loop.
9413 * opts.c (flag_loop_optimize_set): Remove.
9414 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9415 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9416 the old RTL loop optimizer when profiling enabled.
9417 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9418 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9419 pre-headers for the sake of the old RTL loop optimizer.
9420 * Makefile.in: Remove all references to loop.o.
9422 * doc/invoke.texi: Remove all references to -floop-optimize
9423 and -frerun-loop-opt.
9425 2006-02-26 Zack Weinberg <zackw@panix.com>
9427 * doc/md.texi (Machine Constraints): Refer to all files with paths
9428 relative to gcc directory (i.e. config/CPU/file). Add missing
9429 @table @code ... @end table to M32C subsection.
9431 2006-02-26 Roger Sayle <roger@eyesopen.com>
9433 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9435 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9437 2006-02-26 Roger Sayle <roger@eyesopen.com>
9438 James A. Morrison <phython@gcc.gnu.org>
9441 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9442 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9443 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9444 signedness of the shift operation.
9446 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9448 PR tree-optimization/26359
9449 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9451 2006-02-25 Roger Sayle <roger@eyesopen.com>
9453 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9454 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9455 as X == 0, and some symmetry related transformations.
9456 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9458 2006-02-25 Roger Sayle <roger@eyesopen.com>
9461 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9462 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9463 symmetry related transformations. Fold (X^C1) == C2 as
9466 2006-02-25 Juergen Weigert <jw@suse.de>
9467 Richard Guenther <rguenther@suse.de>
9469 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9471 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9473 * combine.c (gen_lowpart_or_truncate): Call
9474 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9476 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9478 * doc/invoke.texi: Move -fopenmp description to "Options for
9480 Remove reference to -lgomp.
9482 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9484 * doc/install.texi: Require GNU tar version 1.14.
9486 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9488 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9489 * doc/invoke.texi (C++ Dialect Options): Document
9490 -fno-use-cxa-get-exception-ptr.
9491 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9492 * configure: Regenerate.
9493 * c.opt (fuse-cxa-get-exception-ptr): New.
9494 * c-opts.c (c_common_handle_option): Handle
9495 OPT_fuse_cxa_get_exception_ptr.
9496 * c-common.c (flag_use_cxa_atexit): Update documentation.
9497 (flag_use_cxa_get_exception_ptr): New.
9498 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9499 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9501 (C_COMMON_OVERRIDE_OPTIONS): New.
9503 2006-02-24 Roger Sayle <roger@eyesopen.com>
9506 * combine.c (try_combine): Explicitly check whether GET_CODE is
9507 a SET or a CLOBBER, instead on checking that it isn't a USE.
9509 2006-02-24 Roger Sayle <roger@eyesopen.com>
9511 * fold-const.c (fold_comparison): New subroutine of fold_binary
9512 containing transformations common to both the equality and
9513 ordering relational operators, factored out of fold_binary.
9514 (fold_binary): Separate out the equality operators (EQ_EXPR
9515 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9516 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9517 transformations common to both.
9518 (fold_div_compare): Fix latent bugs in the previously unreachable
9519 LT_EXPR and GE_EXPR cases.
9521 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9523 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9524 decl libname for clog to __clog on AIX.
9526 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9528 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9531 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9532 output traceback table for thunks. Localise rs6000_stack_info call.
9534 2006-02-23 Roger Sayle <roger@eyesopen.com>
9535 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9537 * gthr-posix.h (__gthrw): Fix typo in comment.
9539 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9541 * doc/cpp.texi (Character sets): Document that we do support
9542 input files to be in any character set.
9544 2006-02-23 Jeff Law <law@redhat.com>
9546 * tree.h (PHI_ARG_NONZERO): Remove.
9547 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9548 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9549 node to the new node.
9551 PR tree-optimization/26425
9552 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9553 min/max, then assume its varying.
9555 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9557 PR rtl-optimization/26316
9558 * rtlanal.c (enum may_trap_p_flags): New.
9559 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9560 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9561 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9562 (may_trap_after_code_motion_p): New function.
9563 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9564 (find_invariant_insn): Use may_trap_after_code_motion_p.
9565 * rtl.h (may_trap_after_code_motion_p): Declare.
9567 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9569 * emit-rtl.c (immed_double_const): Cleanup.
9571 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9573 Fix PR tree-optimization/26376
9574 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9577 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9580 * gimplify.c (omp_add_variable): Guard variable size decl test with
9581 DECL_SIZE (decl) check.
9583 2006-02-23 Richard Guenther <rguenther@suse.de>
9586 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9587 like aggregate types.
9589 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9591 * configure.ac: Add --with{,out}-long-double-128 configure option.
9592 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9593 * configure: Rebuilt.
9594 * config.in: Rebuilt.
9595 * doc/install.texi (Options specification): Document
9596 --with-long-double-128.
9598 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9599 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9600 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9601 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9603 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9605 * config/s390/s390.c (override_options): Handle
9606 TARGET_DEFAULT_LONG_DOUBLE_128.
9608 * config/alpha/alpha.c (override_options): Handle
9609 TARGET_DEFAULT_LONG_DOUBLE_128.
9611 * config/sparc/sparc.c (sparc_override_options): Handle
9612 TARGET_DEFAULT_LONG_DOUBLE_128.
9614 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9616 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9617 (real-install-headers-tar, real-install-headers-cpio)
9618 (real-install-headers-cp): New targets.
9620 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9622 * tree.h (variable_section): Delete.
9623 * varasm.c (variable_section): Delete.
9625 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9627 * install.texi: Add notes on install.texi2html.
9628 (Building in parallel): Do not use footnotes.
9630 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9633 * doc/install.texi (Configuration): Document --disable-libgomp.
9635 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9637 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9639 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9641 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9642 (vec_extractv2df_0_sse): New.
9644 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9646 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9647 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9648 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9649 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9650 to the result of the expression.
9651 (def_cfa_1): Adjust.
9652 (frame_pointer_cfa_offset): Rename to...
9653 (frame_pointer_fb_offset): ... this. Adjust all uses.
9654 (convert_cfa_to_loc_list): Rename to...
9655 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9656 Pass it on to build_cfa_loc.
9657 (compute_frame_pointer_to_cfa_displacement): Rename to...
9658 (compute_frame_pointer_to_fb_displacement): ... this. New
9659 offset parameter. Use it in computation.
9660 (gen_subprogram_die): Compute cfa_fb_offset with the new
9661 macro, and use it to compute the fb loc list and the
9664 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9666 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9667 replaced with register_operand.
9668 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9669 non-DREG is expensive.
9670 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9671 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9674 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9676 * doc/install.texi2html: Use set -e.
9678 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9680 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9681 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9682 * doc/invoke.texi (-fshared-data): Delete.
9683 * common.opt (fshared-data): Delete.
9684 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9685 (assemble_static_space): Remove #if 0 code.
9686 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9687 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9688 * config/cris/cris.h: Remove FIXME.
9690 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9692 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9695 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9698 * combine.c (simplify_shift_const_1): Disable nested shifts
9699 optimization for vector shifts.
9701 2006-02-20 Roger Sayle <roger@eyesopen.com>
9703 PR tree-optimization/26361
9704 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9705 of unsigned integer types.
9707 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9709 * tree-chrec.c (eq_evolutions_p): New.
9710 * tree-chrec.h (eq_evolutions_p): Declared.
9711 * tree-data-ref.c: Fix formatting.
9712 (datadep_stats, dependence_stats): New.
9714 (print_direction_vector): New.
9715 (dump_data_dependence_relation): Use print_direction_vector.
9716 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9717 (compute_subscript_distance): Static.
9718 (initialize_data_dependence_relation): Static. Get the number
9719 of loops surrounding the references from the callers, and initialize
9720 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9721 base_object_differ_p analyzers.
9722 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9723 compute_overlap_steps_for_affine_1_2,
9724 analyze_subscript_affine_affine): Count the classified dependences.
9725 Print a message when a test failed.
9726 (can_use_analyze_subscript_affine_affine): New.
9727 (analyze_siv_subscript): Compute the data dependences on symbolic
9728 scevs that verify can_use_analyze_subscript_affine_affine.
9729 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9730 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9731 Handle symbolic scevs.
9732 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9734 (subscript_dependence_tester): Moved...
9735 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9736 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9737 DDR_SIZE_VECT instead of getting it in parameter.
9738 (subscript_dependence_tester): ... here. Take as a parameter
9739 loop_nest_depth. Call build_classic_dist_vector and
9740 build_classic_dir_vector.
9741 (compute_affine_dependence): Update subscript_dependence_tester
9742 parameters. Update datadep_stats counters. Call
9743 compute_subscript_distance.
9744 (compute_self_dependence): Save the dist and dir vectors. Call
9745 compute_subscript_distance.
9746 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9747 (compute_all_dependences): Reorder parameters as they were before
9748 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9749 compute_subscript_distance. Update the use of
9750 compute_affine_dependence and initialize_data_dependence_relation.
9751 (find_data_references_in_loop): Handle COMPONENT_REF.
9752 (compute_data_dependences_for_loop): Initialize dependence_stats.
9753 Don't call build_classic_dist_vector and build_classic_dir_vector.
9754 Update the parameters of initialize_data_dependence_relation and
9755 compute_all_dependences. Print the statistics from datadep_stats.
9756 (analyze_all_data_dependences): Static. Not used until the pass for
9757 checking the data dependences is contributed.
9758 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9759 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9760 (initialize_data_dependence_relation, compute_affine_dependence,
9761 analyze_all_data_dependences, compute_subscript_distance): Removed.
9762 (print_direction_vector): New.
9763 * lambda.h (gcd): ... here.
9764 (lambda_vector_gcd): Moved here from gcd_vector.
9765 * lambda-code.c (gcd, gcd_vector): Removed.
9766 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9767 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9769 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9771 * ipa-type-escape.c: Tidy some comments and white space.
9772 * tree-ssa-operands.c: Likewise.
9774 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9777 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9778 (dump_decl_name): Do not walk the decl tree chains.
9779 * tree-pass.h (TDF_CHAIN): Remove.
9781 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9783 * Makefile.in (C): Remove
9785 (.PHONY): Remove C and PROTO
9787 2006-02-20 Roger Sayle <roger@eyesopen.com>
9790 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9791 deprecated CHAR_TYPE tree code.
9793 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9795 * configure.ac (target_list): Add install-info, dvi, html.
9796 * configure: Regenerate.
9798 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9799 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9800 treelang/Make-lang.in: Do not use double-colon rules.
9802 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9804 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9805 (TMT_USED_ALONE): New macro.
9806 * tree-pass.h (PROP_tmt_usage): New property.
9807 (TODO_update_tmt_usage): New todo.
9808 * tree-ssa-alias.c (updating_used_alone): New variable.
9809 (recalculate_used_alone): New function.
9810 (compute_may_aliases): Set updating_used_alone, call
9811 recalculate_used_alone.
9812 * tree-sra.c (pass_sra): Note that this pass destroys
9813 PROP_tmt_usage, and add TODO_update_tmt_usage.
9814 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9815 * tree-flow.h (updating_used_alone): Prototype.
9816 (recalculate_used_alone): Ditto.
9817 * passes.c (execute_todo): Add code to set updating_used_alone,
9818 and call recalculate.
9819 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9820 for clobber if used alone, and add assert to verify used_alone
9823 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9825 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9826 for non tls symbols added.
9827 (legitimize_address): Do nothing for PLUS expressions if one of the
9828 addends is a tls symbol reference.
9830 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9834 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9836 * Makefile.in (BOOTSTRAPPING): New.
9837 (quickstrap): New definition if BOOTSTRAPPING=yes.
9839 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9840 * configure.ac: Substitute all_selected_languages with the languages
9841 that were configured. For all the other variables except
9842 lang_specs_files, include all the languages in the tree.
9843 * configure: Regenerate.
9845 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9846 if there is one. Run the commands to run fixincludes in the same
9849 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9850 * doc/install.texi: Document exact conventions for searching target tools.
9851 Document --with-build-time-tools. Document toplevel bootstrap. Document
9852 something more about building an Ada cross-compiler. Don't list GNU Make
9853 requirements which affect all platforms.
9855 2006-02-19 Roger Sayle <roger@eyesopen.com>
9858 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9859 only equivalent if the have both the same mode and precision.
9861 2006-02-20 Ben Elliston <bje@au.ibm.com>
9863 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9865 2006-02-19 Roger Sayle <roger@eyesopen.com>
9866 Steven Bosscher <stevenb.gcc@gmail.com>
9868 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9869 constant pool references to identify stack mode constants.
9870 * rtlanal.c (constant_pool_constant_p): New predicate to check
9871 whether operand is a floating point constant in the pool.
9872 * rtl.h (constant_pool_constant_p): Prototype here.
9873 * loop.c (scan_loop): Avoid hoisting constants from the constant
9874 pool on STACK_REGS targets.
9875 (load_mems): Likewise.
9876 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9877 loads into x87 registers expensive in terms of register pressure.
9879 2006-02-19 Roger Sayle <roger@eyesopen.com>
9881 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9882 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9884 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9886 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9887 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9889 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9891 * doc/invoke.texi: Document -fipa-pta.
9892 * common.opt: Add ipa-pta option.
9893 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9894 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9895 (do_ds_constraint): Ditto.
9896 (get_constraint_for): Only add to referenced_vars if
9897 referenced_vars exists.
9898 (insert_into_field_list): Rewrite to do this unsorted.
9899 (insert_into_field_list_sorted): Rename old insert_into_field_list
9901 (create_function_info_for): Use insert_into_field_list_sorted.
9902 (create_variable_info_for): Rewrite so it uses unsorted version,
9903 since the field list is sorted.
9904 (intra_create_variable_infos): Only add to referenced_vars if
9905 referenced_vars exists.
9906 (ipa_pta_execute): Init heapvars, and delete when done.
9907 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9909 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9911 * doc/install.texi: Add missing `@samp'.
9913 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9915 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9918 2006-02-18 Mark Wielaard <mark@klomp.org>
9920 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9921 who added new 4.1 features, bug fixes and integration support.
9923 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9926 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9929 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9931 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9932 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9933 (copy_insn_1): Likewise. Don't copy each field individually.
9935 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9937 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9938 * rtl.c (rtx_size): Rename variable to...
9939 (rtx_code_size): ...this.
9940 (rtx_size): New function.
9941 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9942 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9944 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9945 * rtl.h (rtx_code_size): New variable.
9946 (rtx_size): Change from a variable to a function.
9947 (RTX_SIZE): Rename to...
9948 (RTX_CODE_SIZE): ...this.
9951 PR tree-optimization/17106
9952 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9953 (Anchored Addresses): New section.
9954 * doc/invoke.texi (-fsection-anchors): Document.
9955 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9956 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9957 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9958 * hooks.c (hook_bool_mode_rtx_false): New function.
9959 * hooks.h (hook_bool_mode_rtx_false): Declare.
9960 * gengtype.c (create_optional_field): New function.
9961 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9962 SYMBOL_REF_IN_BLOCK_P is true.
9963 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9964 (min_anchor_offset, max_anchor_offset): Likewise.
9965 (use_anchors_for_symbol_p): New hook.
9966 * toplev.c (compile_file): Call output_object_blocks.
9967 (target_supports_section_anchors_p): New function.
9968 (process_options): Check that -fsection-anchors is only used on
9969 targets that support it and when -funit-at-a-time is in effect.
9970 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9971 if the decl doesn't have one.
9972 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9973 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9974 of force_const_mem through use_anchored_address.
9975 (expand_expr_constant): New function.
9976 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9977 calling expand_expr for INDIRECT_REF.
9978 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9979 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9980 * expr.h (use_anchored_address): Declare.
9981 * loop-unroll.c: Don't declare rtx vectors here.
9982 * explow.c: Include output.h.
9983 (validize_mem): Call use_anchored_address.
9984 (use_anchored_address): New function.
9985 * common.opt (-fsection-anchors): New switch.
9986 * varasm.c (object_block_htab, anchor_labelno): New variables.
9987 (hash_section, object_block_entry_eq, object_block_entry_hash)
9988 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9989 (use_blocks_for_decl_p, change_symbol_section): New functions.
9990 (get_variable_section): New function, split out from assemble_variable.
9991 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9992 use_blocks_for_decl_p say so. Use change_symbol_section if the
9993 symbol has already been created.
9994 (assemble_variable_contents): New function, split out from...
9995 (assemble_variable): ...here. Don't output any code for
9996 block symbols; just pass them to place_block_symbol.
9997 Use get_variable_section and assemble_variable_contents.
9998 (get_constant_alignment, get_constant_section, get_constant_size): New
9999 functions, split from output_constant_def_contents.
10000 (build_constant_desc): Create a block symbol if use_object_blocks_p
10001 says so. Or into SYMBOL_REF_FLAGS.
10002 (assemble_constant_contents): New function, split from...
10003 (output_constant_def_contents): ...here. Don't output any code
10004 for block symbols; just pass them to place_section_symbol.
10005 Use get_constant_section and get_constant_alignment.
10006 (force_const_mem): Create a block symbol if use_object_blocks_p and
10007 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10008 (output_constant_pool_1): Add an explicit alignment argument.
10009 Don't switch sections here.
10010 (output_constant_pool): Adjust call to output_constant_pool_1.
10011 Switch sections here instead. Don't output anything for block symbols;
10012 just pass them to place_block_symbol.
10013 (init_varasm_once): Initialize object_block_htab.
10014 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10015 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10016 (place_block_symbol, get_section_anchor, output_object_block)
10017 (output_object_block_htab, output_object_blocks): New functions.
10018 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10019 (TARGET_ASM_OUT): Include it.
10020 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10021 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10022 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10023 (TARGET_INITIALIZER): Include them.
10024 * rtl.c (rtl_check_failed_block_symbol): New function.
10025 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10026 (block_symbol, object_block): New structures.
10027 (rtx_def): Add a block_symbol field to the union.
10028 (BLOCK_SYMBOL_CHECK): New macro.
10029 (rtl_check_failed_block_symbol): Declare.
10030 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10031 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10032 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10033 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10034 * output.h (output_section_symbols): Declare.
10035 (object_block): Name structure.
10036 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10037 (default_use_anchors_for_symbol_p): Declare.
10038 * Makefile.in (RTL_BASE_H): Add vec.h.
10039 (explow.o): Depend on output.h.
10040 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10041 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10042 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10043 (rs6000_use_blocks_for_constant_p): New function.
10045 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10047 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10049 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10052 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10055 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10057 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10061 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10063 PR middle-end/26334
10064 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10065 instead of DECL_REGISTER.
10067 2006-02-18 Olivier Hainque <hainque@adacore.com>
10070 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10072 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10075 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10076 * opth-gen.awk: Handle Var and InverseMask together.
10077 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10078 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10079 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10080 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10082 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10083 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10084 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10085 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10086 LINUX_DYNAMIC_LINKER): Define.
10087 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10088 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10090 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10091 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10092 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10093 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10094 (TARGET_C99_FUNCTIONS): Don't define.
10095 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10096 GLIBC_DYNAMIC_LINKER.
10097 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10098 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10099 GLIBC_DYNAMIC_LINKER64): Define.
10100 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10101 LINUX_DYNAMIC_LINKER64.
10102 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10103 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10104 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10105 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10106 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10108 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10109 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10110 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10111 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10112 and LINUX_DYNAMIC_LINKER32.
10113 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10114 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10115 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10117 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10119 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10120 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10121 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10122 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10123 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10124 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10125 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10126 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10127 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10128 LINUX_DYNAMIC_LINKER): Define.
10129 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10130 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10131 GLIBC_DYNAMIC_LINKER64): Define.
10132 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10133 LINUX_DYNAMIC_LINKER64.
10134 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10135 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10136 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10137 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10138 LINUX_DYNAMIC_LINKER): Define.
10139 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10140 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10141 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10142 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10143 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10144 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10145 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10146 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10147 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10148 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10149 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10150 * doc/invoke.texi (-muclibc): Remove caveat about supported
10153 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10155 * doc/cpp.texi (__TIMESTAMP__): Document.
10157 2006-02-17 Roger Sayle <roger@eyesopen.com>
10159 PR middle-end/25600
10160 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10161 C is one less than the width of X (and related transformations).
10162 * simplify-rtx.c (simplify_unary_operation_1): Transform
10163 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10164 depending on STORE_FLAG_VALUE, were C is one less then the
10167 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10169 Fix PR tree-optimization/26341
10170 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10171 about NAME_MEMORY_TAG's.
10173 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10176 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10177 with hardware float support, and software float support. Add fcpy
10178 alternative to hardware patterns. Add alternatives to copy between
10179 general and floating-point registers to the 32-bit pattern.
10180 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10181 secondary reload to load a QI or HI mode constant into a floating
10183 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10184 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10186 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10189 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10191 (load_macho_picbase_di): Likewise.
10193 2006-02-16 Jeff Law <law@redhat.com>
10195 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10196 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10197 (ssa_name_nonzero_p): Likewise.
10198 (get_value_range): Return NULL if VRP is not running.
10199 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10200 VRP routines do not discover a range.
10201 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10202 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10203 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10204 (tree_expr_nonnegative_p): Similarly.
10205 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10206 (restore_nonzero_vars_to_original_value): Remove.
10207 (unsafe_associative_fp_binop): Remove.
10208 (tree_ssa_dominator_optimize): Remove initialization and
10209 finalization of nonzero_vars and nonzero_vars_stack.
10210 (dom_opt_initialize_block): No longer push marker on
10211 nonzero_vars_stack.
10212 (dom_opt_finalize_block): No longer call
10213 restore_nonzero_vars_to_original_value.
10214 (record_equivalences_from_phis): No longer look for
10215 nonzero PHI arguments.
10216 (cprop_into_successor_phis): No longer propagate nonzero
10217 property into PHI arguments. Lose unused argument. Caller
10219 (record_equivalences_from_stmt): No longer record nonzero
10220 values for SSA_NAMEs.
10221 (lookup_avail_expr): No longer use nonzero_vars.
10223 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10224 for sizetype when sizetype is unsigned.
10226 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10228 PR rtl-optimization/25603
10229 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10230 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10231 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10232 with new meaning of SETS.
10234 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10239 * config/linux.opt: New file.
10240 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10241 LINUX_DYNAMIC_LINKER): Define.
10242 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10243 * config.gcc (*-*-linux*): Define extra_options.
10244 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10245 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10246 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10247 GLIBC_DYNAMIC_LINKER.
10248 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10249 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10250 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10251 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10252 * doc/invoke.texi (GNU/Linux Options): New section.
10254 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10256 * config/sparc/sparc.md (setjmp): Rewrite.
10257 (setjmp_32): Delete.
10258 (setjmp_64): Likewise.
10260 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10262 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10265 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10267 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10270 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10272 PR rtl-optimization/26296
10273 * Makefile.in (loop-invariant.c): Add except.h dependency.
10274 * loop-invariant.c: Include except.h.
10275 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10277 2005-02-16 Paul Brook <paul@codesourcery.com>
10279 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10282 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10284 PR rtl-optimization/25636
10285 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10286 when deciding whether an insn is an initializing insn.
10288 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10290 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10291 (tree_code_size): Ditto.
10292 * tree.h (struct tree_memory_tag): Remove parent_var.
10293 (struct tree_struct_field_tag): New.
10296 (union tree_node): Add sft member.
10297 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10299 (create_sft): Add size and offset argument, set SFT_OFFSET and
10301 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10302 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10303 * tree-flow-inline.h (get_subvar_at): Update for
10304 SFT_OFFSET/SFT_SIZE.
10305 (var_can_have_subvars): Ditto.
10306 (overlap_subvar): Ditto.
10307 * print-tree.c (print_node): Print out interesting things for
10309 * tree-flow.h (struct subvar): Remove offset and size members.
10310 * tree-ssa-operands.c (get_expr_operands): Update for
10311 get_indirect_ref_operands changes.
10312 (get_indirect_ref_operands): Call add_virtual_operand instead of
10313 add_stmt_operand. Only recurse on base var if requested.
10314 (access_can_touch_variable): New function.
10315 (add_stmt_operand): Split virtual operand handling into ...
10316 (add_virtual_operand): Here. Add offset, size, and for_clobber
10317 arguments. Prune alias sets.
10318 (add_call_clobber_ops): Call add_virtual_operand.
10320 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10322 PR middle-end/26300
10323 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10325 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10326 than TREE_CODE as index into omp_clause_num_ops array.
10328 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10330 PR rtl-optimization/26184
10331 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10333 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10334 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10335 must_precede, must_follow and tobe_scheduled.
10338 * opts.c (common_handle_option): Free new_option pointer.
10339 * df-core.c (df_analyze): Free postorder pointer.
10341 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10343 * Makefile.in: Fix the examples about the use of stamps
10345 2006-02-15 Michael Matz <matz@suse.de>
10347 PR middle-end/22275
10349 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10350 influenced by maximum_field_alignment or DECL_PACKED.
10351 (update_alignment_for_field): Ditto.
10352 (place_field): Ditto.
10353 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10356 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10358 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10359 (debug_flow_info): Pass it.
10360 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10361 * bb-reorder.c (reorder_basic_blocks): Likewise.
10362 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10363 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10364 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10365 * gcse.c (gcse_main, bypass_jumps): Likewise.
10366 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10367 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10368 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10369 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10370 * rtl.h (dump_flow_info): Adjust prototype.
10371 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10372 * var-tracking.c (variable_tracking_main): Likewise.
10373 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10374 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10377 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10379 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10382 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10384 PR tree-optimization/26209
10385 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10386 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10388 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10390 2006-02-14 Roger Sayle <roger@eyesopen.com>
10392 PR middle-end/23670
10393 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10394 (X,Y) and the corresponding symmetry related transformations.
10395 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10396 (X,Y) and its symmetry related transformations.
10398 2006-02-14 Roger Sayle <roger@eyesopen.com>
10400 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10403 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10405 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10407 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10410 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10411 support COMDAT group.
10412 * configure: Regenerate.
10414 2006-02-14 Roger Sayle <roger@eyesopen.com>
10416 PR middle-end/26279
10417 PR middle-end/26280
10418 PR middle-end/26283
10419 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10421 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10423 Fix PR tree-optimization/26260
10425 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10427 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10428 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10429 * tree-ssa-structalias.c (create_variable_info_for): Use
10430 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10432 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10434 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10436 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10437 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10438 of the ending condition.
10439 * tree-ssa-loop-manip.c: Include params.h.
10440 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10441 tree_unroll_loop): New functions.
10442 * tree-pass.h (pass_loop_prefetch): Declare.
10443 * loop.c (rest_of_handle_loop_optimize): Test for
10444 -fprefetch-loop-arrays-rtl.
10445 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10446 * timevar.def (TV_TREE_PREFETCH): New timevar.
10447 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10448 pass_loop_prefetch): New.
10449 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10450 (cleanup_tree_cfg_loop): Call scev_reset.
10451 * common.opt (fprefetch-loop-arrays-rtl): Add.
10452 * tree-ssa-loop-prefetch.c: New file.
10453 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10454 (new_temp_expr_table): Initialize expr_vars.
10455 (free_temp_expr_table): Cleanup expr_vars.
10456 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10457 expressions from being merged into one.
10458 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10459 (struct tree_niter_desc): Add control, bound and cmp fields.
10460 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10462 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10463 (tree-cfgcleanup.o): Add SCEV_H dependency.
10464 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10465 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10467 2006-02-14 Richard Guenther <rguenther@suse.de>
10469 PR tree-optimization/26258
10470 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10471 in PHI argument processing.
10473 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10475 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10476 new expression in the requested machine mode.
10478 2006-02-13 Roger Sayle <roger@eyesopen.com>
10480 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10481 directly, instead let do_compare_rtx_and_jump handle this for us.
10482 * expr.c (expand_expr_real_1): Likewise.
10483 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10484 before do_jump_by_parts_greater.
10485 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10486 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10488 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10490 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10492 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10494 PR rtl-optimization/26235
10495 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10496 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10499 2006-02-13 Jeff Law <law@redhat.com>
10501 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10504 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10506 PR middle-end/26092
10507 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10508 twice if decl is a builtin. When trying again, call get_callee_fndecl
10509 first to verify it is still a builtin.
10511 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10513 * dwarf2out.c (base_type_die): Don't add AT_name here.
10514 (subrange_type_die): Don't add AT_name here.
10515 (modified_type_die): Rearrange code flow. Do add AT_name here.
10517 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10519 PR rtl-optimization/26247
10520 PR rtl-optimization/26248
10521 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10523 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10525 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10526 * config/fixtfdi.c: Likewise.
10527 * config/fixunstfdi.c: Likewise.
10528 * config/floatditf.c: Likewise.
10530 2006-02-13 Roger Sayle <roger@eyesopen.com>
10532 PR middle-end/24427
10533 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10534 into (X,C2) if C1 is a subset of the bits of C2. Transform
10535 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10537 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10539 2006-02-13 Josh Conner <jconner@apple.com>
10542 * varasm.c (function_section): Check for section name before
10543 calling select_section on targets that define
10544 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10545 unlikely_text_section instead of hot_function_section if
10546 first_function_block_is_cold.
10548 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10550 PR middle-end/25335
10551 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10553 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10555 PR rtl-optimization/26222
10556 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10557 after tree->rtl expansion.
10558 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10559 before passing it to emit_move_insn.
10561 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10563 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10565 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10566 Clarify documentation.
10567 * c-common.h (warn_write_strings): Remove.
10568 * c-common.c (warn_write_strings): Likewise.
10569 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10572 2006-02-12 Roger Sayle <roger@eyesopen.com>
10574 PR middle-end/25724
10575 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10576 (do_jump_parts_zero_rtx): New function renamed from
10577 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10578 (do_jump_parts_equality_rtx): New function split out from
10579 do_jump_parts_equality. Old implementation renamed as above.
10580 Call do_jump_parts_zero_rtx if either operand is zero.
10581 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10582 do all of the heavy lifting.
10583 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10584 calling either do_jump_by_parts_greater_rtx or
10585 do_jump_by_parts_equality_rtx.
10586 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10587 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10588 moved to do_compare_rtx_and_jump, call it directly.
10589 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10590 mode argument. Call do_compare_rtx_and_jump.
10591 (emit_case_nodes): Update calls to do_jump_if_equal.
10593 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10595 PR rtl-optimization/26225
10596 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10598 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10600 PR rtl-optimization/26232
10601 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10603 2006-02-11 Jason Merrill <jason@redhat.com>
10606 * tree-inline.c (declare_return_variable): Just don't use the
10607 modify target if it's a gimple complex reg and the return slot
10610 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10612 * doc/contrib.texi: Update my entry.
10614 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10616 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10618 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10620 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10623 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10625 * doc/invoke.texi (-floop-optimize2): Removed.
10626 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10627 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10628 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10629 * common.opt (floop-optimize2): Removed.
10630 (fmove-loop-invariants): Enabled by default.
10632 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10634 * tree-if-conv.c (combine_blocks): Free the result of
10635 get_loop_exit_edges.
10637 2006-02-10 Jeff Law <law@redhat.com>
10639 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10641 PR tree-optimization/26213
10642 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10643 loop trying to follow SSA_NAME_VALUE chains.
10645 2006-02-10 Richard Guenther <rguenther@suse.de>
10647 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10648 deal with structures that end in implicitly variable sized arrays.
10650 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10652 PR rtl-optimization/24762
10653 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10656 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10658 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10659 (struct ivopts_data): Add regs_used field.
10660 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10661 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10662 instead of loop_data->regs_used;
10663 (free_loop_data): Do not free aux fields for loops.
10664 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10665 and tree_ssa_iv_optimize_finalize.
10667 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10669 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10671 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10674 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10675 computing the effective result type.
10677 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10679 PR inline-asm/16194
10680 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10681 (tree_overlaps_hard_reg_set): Declare.
10682 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10683 type and signature to match function type expected by walk_tree.
10684 (tree_overlaps_hard_reg_set): New function.
10685 (decl_conflicts_with_clobbers_p): Rename to:
10686 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10687 Use tree_overlaps_hard_reg_set. Changed caller.
10688 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10689 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10690 * cris.c (cris_md_asm_clobbers): Likewise.
10692 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10694 * reload1.c (emit_input_reload_insns): Delete code that tries to
10695 inherit using find_equiv_reg.
10697 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10699 * c-common.h (flag_const_strings): Don't declare.
10700 * c-common.c (flag_const_strings): Remove.
10701 * c.opt (fconst_strings): Remove.
10702 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10703 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10704 (c_common_init_options): Don't set flag_const_strings.
10705 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10707 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10709 * arm.md (tlobits_cbranch): New pattern.
10710 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10711 testing a single bit.
10713 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10716 * tree-ssa-pre.c (create_component_ref_by_pieces):
10717 Handle RETURN_DECL like VAR_DECL.
10719 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10721 PR middle-end/26134
10722 * fold-const.c (fold_indirect_ref_1): Fold
10723 "*(foo *)&complexfoo" to "__real__ complexfoo"
10724 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10726 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10728 * tree-flow-inline.h (var_can_have_subvars):
10729 Volatile variables should not have subvariables.
10731 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10734 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10735 multiplying unsigned values.
10738 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10740 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10742 2006-02-08 Jason Merrill <jason@redhat.com>
10745 * tree.def: Elaborate on difference from MODIFY_EXPR.
10746 * doc/c-tree.texi (INIT_EXPR): Likewise.
10747 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10748 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10749 (gimplify_target_expr): Likewise.
10750 (gimplify_cond_expr): Remove target handling.
10751 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10752 (gimplify_expr): Clobber it here.
10753 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10754 Do return slot optimization if we have an INIT_EXPR.
10757 * tree-inline.c (declare_return_variable): Also clear
10758 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10761 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10763 PR middle-end/22439
10764 * gimplify.c (gimplify_one_sizepos): Fix typo.
10766 2006-02-08 Jeff Law <law@redhat.com>
10768 PR tree-optimization/21417
10769 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10770 across a backedge if the control statement at the end of the
10771 block is data dependent on other statements in the same block.
10772 (record_temporary_equivalences_from_stmts): Remove over-conservative
10773 test for threading across backedges.
10775 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10776 control statement, handle all three special cases in the same
10777 manner as they all have the same desired solution. No longer
10778 special case edge flag updating when the post dominator is
10781 2006-02-08 Roger Sayle <roger@eyesopen.com>
10783 * tree.def (CHAR_TYPE): Remove.
10784 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10785 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10786 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10787 (gen_string_type_die): Delete unreachable function.
10789 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10790 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10791 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10792 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10793 * builtins.c (type_to_class): Likewise.
10794 * fold-const.c (fold_convert, build_range_check,
10795 merge_ranges): Likewise.
10796 * expr.c (count_type_elements): Likewise.
10797 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10798 * stor-layout.c (layout_type): Likewise.
10799 * ipa-type-escape.c (type_to_consider): Likewise.
10800 * gimplify.c (omp_firstprivatize_type_sizes,
10801 gimplify_type_sizes): Likewise.
10802 * explow.c (promote_mode): Likewise.
10803 * tree-sra.c (is_sra_scalar_type): Likewise.
10804 * varasm.c (output_constant): Likewise.
10805 * tree-inline.c (remap_type_1): Likewise.
10806 * convert.c (convert_to_pointer, convert_to_real,
10807 convert_to_integer, convert_to_complex): Likewise.
10809 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10811 * df-scan.c (df_def_record_1): A set destination may
10812 be a parallel regardless of mode.
10814 2006-02-08 Roger Sayle <roger@eyesopen.com>
10817 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10818 * config/mips/_tilib.c: Remove.
10819 * config/fixtfdi.c: New libgcc source file.
10820 * config/fixunstfdi.c: New source file.
10821 * config/floatditf.c: New source file.
10822 * config/floatunditf.c: New souce file.
10823 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10824 files above instead of config/mips/_tilib.c.
10825 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10827 2006-02-08 Jeff Law <law@redhat.com>
10829 PR tree-optimization/26169
10830 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10833 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10835 * df.h (DF_REG_SIZE): Return the length of the initialized
10838 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10840 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10841 __muldf3): Return a correctly signed zero.
10843 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10845 * passes.c (register_one_dump_file): Accept the current properties
10846 instead of pass number. Adjust call to dump_register. Remove
10848 (register_dump_files): Now a wrapper around...
10849 (register_dump_files_1): ... this one. Do not modify the pass
10851 (next_pass_1): Cosmetic fix.
10852 (execute_todo): Keep second parameter only. Use curr_properties
10853 instead of fetching it from the pass structure. Check and set
10855 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10856 instead of fetching it from the pass structure. Fix calls to
10857 execute_todo. Update curr_properties and initialize .vcg RTL dump
10858 after running the pass. Reset last_verified.
10859 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10861 (FIRST_AUTO_NUMBERED_DUMP): New.
10862 (dump_register): Remove "num" parameter, assign it within the
10864 (get_dump_file_name): Modify template for dumps.
10865 * tree-dump.h (dump_register): Adjust prototype.
10866 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10867 (PROP_trees): Add PROP_gimple_lomp.
10868 (TODO_set_props): New.
10869 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10870 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10871 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10873 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10875 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10876 (sparc64-*-linux*): Likewise.
10877 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10878 * config/sparc/t-linux: New file.
10879 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10880 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10881 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10882 -m32 -mlong-double-128.
10884 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10885 * config/alpha/t-linux: New file.
10886 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10888 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10889 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10890 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10891 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10892 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10893 (CPP_ARCH32_SPEC): Remove.
10895 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10897 PR tree-optimization/26145
10898 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10901 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10904 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10905 >= 240000 when generating code for SOM runtime.
10906 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10907 to $$dyncall when generating code for SOM runtime..
10909 2006-02-07 Dirk Mueller <dmueller@suse.com>
10912 * doc/invoke.texi (-Wsequence-point): Update documentation
10913 that -Wsequence-point is implemented for C++ as well.
10915 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10917 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10918 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10919 (LIB_SPEC): Likewise.
10920 * doc/invoke.texi (SPARC options): Document -pthread.
10922 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10924 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10927 2006-02-07 Roger Sayle <roger@eyesopen.com>
10929 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10930 Correct comment describing BOOLEAN_TYPE.
10932 2006-02-07 Dirk Mueller <dmueller@suse.com>
10934 * c.opt: C++ frontend supports -Wdiv-by-zero.
10935 * c-opts.c (c_common_handle_option): Remove dead case.
10937 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10939 * configure.ac (TLS assembler check): Do not enable TLS by
10940 default on SPARC/Solaris before version 10.
10941 * configure: Regenerate.
10943 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10945 * doc/invoke.texi (xl-compat): Document conversion and support
10948 2006-02-07 Jeff Law <law@redhat.com>
10950 * tree-vrp.c (find_conditional_asserts): Update comments.
10951 (simplify_stmt_for_jump_threading): New.
10952 (identify_jump_threads, finalize_jump_threads): New.
10953 (vrp_finalize): Call identify_jump_threads.
10954 (execute_vrp): Call finalize_jump_threads.
10955 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10956 (vrp_element, vrp_data, vrp_element_p): Remove.
10957 (vrp_hash_elt, vrp_variables_stack): Remove.
10958 (vrp_hash, vrp_eq, record_range): Remove.
10959 (simplify_cond_and_lookup_avail_expr): Remove.
10960 (extract_range_from_cond): Remove.
10961 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10962 (simplify_stmt_for_jump_threading): New.
10963 (dom_thread_across_edge): New wrapper.
10964 (tree_ssa_dominator_optimize): No longer initialize or
10965 finalize any of the VRP datastructures. Remove iteration
10966 step and simplify as a result of removal of iteration step.
10967 (pass_dominator): Perform a cfg cleanup after DOM.
10968 (dom_opt_finalize_block): Use the new common routines
10969 for threading jumps. Simplify stack management slightly.
10970 No longer need to unwind VRP state.
10971 (record_equivalences_from_incoming_edge): No longer record
10973 (eliminate_redundant_computations): No longer call
10974 simplify_cond_and_lookup_avail_expr.
10975 * tree-flow.h (potentially_threadable_block): Prototype.
10976 (thread_across_edge): Likewise.
10977 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10978 (tree-ssa-threadedge.o): Add dependencies.
10979 * tree-ssa-threadedge.c: New file.
10980 * passes.c (init_optimization_passes): Merge PHIs before
10981 calling VRP. Run VRP again late in the SSA optimization pipeline.
10983 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10985 * df-core.c (df_set_blocks): Do not dereference function pointers.
10986 (df_finish1): Likewise.
10987 (df_hybrid_search_forward): Likewise.
10988 (df_hybrid_search_backward): Likewise.
10989 (df_iterative_dataflow): Likewise.
10990 (df_analyze_problem): Likewise.
10991 (df_compact_blocks): Likewise.
10992 (df_dump): Likewise.
10993 * df-scan.c (df_rescan_blocks): Likewise.
10994 (df_record_entry_block_defs): Likewise.
10996 * genconditions.c (write_conditions): Guard the definition of
10997 'insn_conditions' with the check on GCC version.
10998 (write_writer): Guard the traversal 'insn_conditions' with
10999 the check on GCC version.
11001 2006-02-07 Richard Guenther <rguenther@suse.de>
11005 2006-01-30 Richard Guenther <rguenther@suse.de>
11007 * gimplify.c (gimplify_target_expr): Handle easy cases
11008 without creating a temporary.
11010 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11012 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11013 use of float in probability computations. Use edge probabilities
11014 in place of statically computed probabilities.
11015 (min_spec_prob): New static variable.
11016 (schedule_insns): Initialize it.
11017 (GET_SRC_PROB): Removed.
11018 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11020 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11023 * config/ia64/unwind-ia64.c: Revert last change.
11024 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11025 (INCOMING_FRAME_SP_OFFSET): Define.
11027 2006-02-06 Roger Sayle <roger@eyesopen.com>
11029 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11031 2006-02-07 Ben Elliston <bje@au.ibm.com>
11033 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11034 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11035 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11036 (ix86_return_in_memory): Handle TDmode.
11037 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11038 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11040 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11042 * reorg.c (dbr_schedule): Use dump_file instead of file.
11044 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11047 * config/ia64/predicates.md (extr_len_operand): New predicate.
11048 * config/ia64/ia64.md (extv): Tighten constraints.
11050 (*tbit_and_2): Ditto.
11051 (*tbit_and_3): Ditto.
11052 (*tbit_or_2): Ditto.
11053 (*tbit_or_3): Ditto.
11054 (*bit_zero): Ditto.
11057 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11060 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11062 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11064 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11065 loop_optimizer_init and loop_optimizer_finalize
11066 * tree-ssa-sink.c (execute_sink_code): Ditto.
11067 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11068 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11069 tree_ssa_loop_done): Ditto.
11070 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11071 * sched-ebb.c: Include output.h.
11072 (schedule_ebbs): Do not use dump argument.
11073 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11074 * loop.c (loop_dump_stream): Removed.
11075 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11077 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11078 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11079 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11080 loop_iterations, strength_reduce, record_biv, record_giv,
11081 final_giv_value, check_final_value, check_ext_dependent_givs,
11082 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11083 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11084 dump_file instead of loop_dump_stream.
11085 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11086 argument dump_file.
11087 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11089 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11090 * haifa-sched.c: Include output.h
11091 (schedule_insns, sched_init): Do not use dump argument.
11092 * mode-switching.c (optimize_mode_switching): Ditto.
11093 * modulo-sched.c (stats_file): Removed.
11094 (print_node_sched_params): Do not call argument dump_file.
11095 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11096 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11098 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11100 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11101 rtl_loop_init, rtl_loop_done): Ditto.
11102 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11103 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11105 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11106 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11107 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11108 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11109 * emit-rtl.c (renumber_insns): Ditto.
11110 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11111 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11112 * regclass.c (regclass): Ditto.
11113 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11114 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11115 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11116 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11118 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11119 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11121 * gcse.c (gcse_file, debug_stderr): Removed.
11122 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11123 rest_of_handle_gcse): Do not use dump argument.
11124 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11125 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11126 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11127 compute_code_hoist_vbeinout, compute_code_hoist_data,
11128 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11129 compute_store_table, build_store_vectors, insert_insn_start_bb,
11130 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11131 store_motion): Use dump_file instead of gcse_file.
11132 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11133 * profile.c (profile_dump_file): Removed.
11134 (branch_prob): Use dump_file instead of profile_dump_file.
11135 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11137 * tree-ssa-copy.c (dump_copy_of): Ditto.
11138 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11139 dump file to life_analysis.
11140 * bt-load.c (branch_target_load_optimize): Ditto.
11141 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11143 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11144 regclass, dbr_schedule): Declaration changed.
11145 * sched-int.h (sched_init): Declaration changed.
11146 * tree-profile.c (tree_profile_dump_file): Removed.
11147 (tree_profile_hooks): Removed profile_dump_file hook.
11148 * rtl-profile (rtl_profile_dump_file): Removed.
11149 (rtl_profile_hooks): emoved profile_dump_file hook.
11150 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11152 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11153 * tree-cfg.c (build_tree_cfg): Ditto.
11154 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11155 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11156 Declaration changed.
11157 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11158 life_analysis and schedule_insns.
11159 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11161 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11163 * config/mips/mips.c (mips_reorg): Ditto.
11164 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11167 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11169 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11170 (s390_mangle_fundamental_type): New.
11171 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11174 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11175 (alpha_mangle_fundamental_type): New.
11176 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11179 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11181 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11183 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11184 (sparc_mangle_fundamental_type): New.
11186 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11188 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11189 (s390x-*-linux*): Likewise.
11190 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11191 * config/s390/t-linux: New file.
11193 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11195 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11196 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11198 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11200 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11201 (ANTIC_SAFE_LOADS): New macro.
11202 (find_or_generate_expression): Add prototype.
11203 (set_contains_value): Allow null set for sake of not always having
11204 to allocate ANTIC_SAFE_LOADS.
11205 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11206 Allow COMPONENT_REF too.
11207 (valid_in_set): Allow COMPONENT_REF.
11208 Check ANTIC_SAFE_LOADS too.
11209 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11210 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11212 (can_PRE_operation): Add COMPONENT_REF.
11213 (create_component_ref_by_pieces): New function.
11214 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11215 (insert_aux): Move AGGREGATE_TYPE_P check here.
11216 (compute_avail): Set bb local stmt uids.
11217 (pass_pre): Use TODO_update_ssa_only_virtuals.
11219 2006-02-06 Ben Elliston <bje@au.ibm.com>
11221 * configure.ac: Unconditionally disable decimal float by default.
11222 * configure: Regenerate.
11224 2006-02-06 Ben Elliston <bje@au.ibm.com>
11226 * read-rtl.c (read_name): Terminate reading on EOF.
11228 2006-02-06 Ben Elliston <bje@au.ibm.com>
11230 * dfp.c (decimal_real_arithmetic): Change second argument type
11231 from int to enum tree_code. Do not always return true, but now
11232 return result of any call to decimal_do helper functions.
11233 * dfp.h (decimal_real_arithmetic): Update prototype.
11235 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11237 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11239 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11242 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11245 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11247 * tree-vrp.c (cfg_loops): Removed.
11248 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11249 Use current_loops instead of cfg_loops. Pass flags to
11250 loop_optimizer_init.
11251 * cfgloopmanip.c (fix_loop_structure): Update only available
11253 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11254 loop_optimizer_init.
11255 * modulo-sched.c (build_loops_structure): Removed.
11256 (sms_schedule): Use loop_optimizer_init.
11257 * loop-init.c (loop_optimizer_init): Use flags to determine
11258 which properties of loops to prepare.
11259 (rtl_loop_init): Pass flags to loop_optimizer_init.
11260 * tree-ssa-sink.c (execute_sink_code): Ditto.
11261 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11262 * tree-ssa-pre.c (init_pre): Ditto.
11263 * cfgloop.h (LOOPS_NORMAL): New.
11264 (loop_optimizer_init): Declaration changed.
11266 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11268 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11269 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11271 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11273 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11275 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11276 * pa/t-pa64: Delete quadlib.c rule.
11277 * pa/x-ada: Revert last change.
11278 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11280 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11282 PR rtl-optimization/26087
11283 * rtlanal.c (canonicalize_condition): Do not cross basic block
11286 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11289 * config/ia64/ia64.c: Include debug.h.
11290 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11291 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11292 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11293 (process_epilogue, process_set, process_for_unwind_directive):
11294 Output unwind info only if requested. Add CFA info if requested.
11295 Add new arguments as needed. Adjust callers.
11296 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11298 (DWARF2_FRAME_INFO): Define to zero.
11299 * config/ia64/unwind-ia64.c: Remove code that compensated for
11300 the CFA offset error fixed above.
11301 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11302 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11303 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11304 -funwind-tables and -fexceptions to enable frame info.
11305 (dwarf2out_frame_init): Define initial CFA even if
11306 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11307 DWARF2_UNWIND_INFO is nonzero, not just defined.
11308 (dwarf2out_frame_finish): Output non-EH call frame info only
11309 if DWARF2_FRAME_INFO is nonzero.
11310 (convert_cfa_to_loc_list,
11311 compute_frame_pointer_to_cfa_displacement): Define even if
11312 unwind info is not supported.
11313 (gen_subprogram_die): Use the above unconditionally. Remove
11314 legacy alternate code.
11315 * toplev.c (compile_file): Compile in call to
11316 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11317 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11319 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11320 Jakub Jelinek <jakub@redhat.com>
11322 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11323 IBM extended float format long double as "g" on powerpc*-linux.
11325 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11328 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11329 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11331 2006-02-03 Jason Merrill <jason@redhat.com>
11334 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11336 PR middle-end/25977
11337 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11338 on the return slot if it's an NRV.
11340 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11342 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11343 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11344 rewrite_use): Do not handle USE_OUTER.
11345 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11346 add_iv_outer_candidates, may_replace_final_value,
11347 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11348 (find_interesting_uses_op): Functionality of
11349 find_interesting_uses_outer_or_nonlin moved here.
11350 (find_interesting_uses_outside): Use find_interesting_uses_op.
11352 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11355 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11357 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11358 Ulrich Weigand <uweigand@de.ibm.com>
11361 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11362 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11363 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11364 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11366 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11367 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11368 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11369 Define secondary reloads for TFmode moves.
11370 (constant_modes): Add TFmode.
11371 (NR_C_MODES): Set to 8.
11372 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11374 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11375 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11376 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11377 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11378 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11379 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11380 (FPR mode macro): Add TFmode.
11381 (DSF mode macro): New.
11382 (<de>, <dee> mode attributes): Removed.
11383 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11384 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11385 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11386 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11387 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11388 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11389 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11390 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11391 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11392 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11393 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11394 "*negabs<mode>2", "sqrt<mode>2"):
11395 Changed <de> to <xde>. R constraint replaced by <Rf>.
11396 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11398 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11399 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11400 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11402 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11403 "extenddftf2", "extendsftf2"): New expanders.
11404 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11405 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11406 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11407 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11409 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11410 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11411 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11412 __floatditf): Add a GCC_4.1.0 symbol version tag.
11413 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11416 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11419 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11420 Use targetm.binds_local_p instead of TREE_PUBLIC.
11422 2006-02-02 Roger Sayle <roger@eyesopen.com>
11424 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11425 on INTEGER_TYPEs to indicate that it denotes a character type.
11426 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11427 signed_char_type_node, unsigned_char_type_node and char_type_node.
11428 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11429 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11430 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11432 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11433 Daniel Berlin <dberlin@dberlin.org>
11435 * tree-tailcall.c (arg_needs_copy_p): New function.
11436 (eliminate_tail_call): Use arg_needs_copy_p.
11437 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11438 (add_virtual_phis): New function.
11440 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11442 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11443 #ignore instead of #scratch for %g7 .register directive.
11445 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11447 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11450 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11452 * flow.c (calculate_global_regs_live): Assert that there aren't any
11455 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11457 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11458 what its name says.
11459 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11460 bsi_after_labels iterator.
11461 * tree-if-conv.c (find_phi_replacement_condition,
11462 replace_phi_with_cond_modify_expr): Likewise.
11463 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11464 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11466 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11468 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11470 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11473 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11474 array after growing it.
11476 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11478 PR middle-end/24901
11479 * fold-const.c (fold_checksum_tree): Change type of buf.
11481 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11483 * reload.c (push_secondary_reload): Initialize t_icode.
11485 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11487 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11488 -msoft-float -mlong-double-128 only issue a warning, but don't
11489 swich to DFmode long double.
11491 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11493 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11494 has a constant equivalent, iterate over equivalents for arg0,
11495 calling simplify_relational_operation and if there's a result
11496 cheaper than X, apply fold_rtx and return the result.
11498 2006-02-01 Jan Hubicka <jh@suse.cz>
11500 * opts.c (no_unit_at_a_time_default): New global variable.
11501 (decode_options): Use it.
11502 * opts.h (no_unit_at_a_time_default): Declare.
11504 2006-02-01 Paul Brook <paul@codesourcery.com>
11506 * function.c (assign_parm_setup_reg): Use function argument promotion
11508 * expr.c (expand_expr_real_1): Use function argument promotion rules
11511 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11513 * gcc.c (process_command): Change j to 'unsigned int'.
11515 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11517 PR middle-end/26001
11518 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11519 Use the corrected index for the character
11520 out of the string constant.
11522 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11524 * mode-switching.c (optimize_mode_switching): Fix size
11525 allocated for bb_info[n_entities].
11527 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11529 * gcc.c (main): Correct type that is allocated for
11530 explicit_link_files.
11532 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11534 * config/s390/s390.c (init_alignment_context): Set
11535 ALIAS_SET_MEMORY_BARRIER on the MEM.
11536 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11538 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11540 PR middle-end/25933
11541 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11543 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11546 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11548 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11549 * regrename.c: Ditto.
11550 * tree-ssa-loop-im.c: Ditto.
11551 * tree-dump.c: Ditto.
11552 * tree-complex.c: Ditto.
11553 * genrecog.c: Ditto.
11554 * tree-ssa-threadupdate.c: Ditto.
11556 * java/class.c: Ditto.
11557 * java/jcf-parse.c: Ditto.
11558 * java/resource.c: Ditto.
11559 * java/except.c: Ditto.
11560 * java/jvspec.c: Ditto.
11561 * java/jcf-write.c: Ditto.
11562 * java/jcf-path.c: Ditto.
11563 * java/gjavah.c: Ditto.
11564 * java/zextract.c: Ditto.
11565 * java/jcf-io.c: Ditto.
11566 * java/jcf.h: Ditto.
11567 * java/buffer.c: Ditto.
11568 * java/lang.c: Ditto.
11569 * java/parse-scan.y: Ditto.
11570 * java/lex.c: Ditto.
11571 * java/lex.h: Ditto.
11572 * cfgloopmanip.c: Ditto.
11573 * postreload-gcse.c: Ditto.
11574 * tree-ssa-loop-manip.c: Ditto.
11575 * postreload.c: Ditto.
11576 * tree-ssa-loop-ch.c: Ditto.
11579 * cppspec.c: Ditto.
11580 * diagnostic.c: Ditto.
11582 * genoutput.c: Ditto.
11584 * cfghooks.c: Ditto.
11585 * cfgloopanal.c: Ditto.
11586 * objc/objc-act.c: Ditto.
11588 * genextract.c: Ditto.
11589 * genautomata.c: Ditto.
11590 * pretty-print.c: Ditto.
11591 * genemit.c: Ditto.
11592 * cgraphunit.c: Ditto.
11594 * df-scan.c: Ditto.
11595 * haifa-sched.c: Ditto.
11596 * dominance.c: Ditto.
11598 * tree-ssa-loop-ivopts.c: Ditto.
11599 * df-core.c: Ditto.
11600 * mode-switching.c: Ditto.
11601 * modulo-sched.c: Ditto.
11603 * ipa-pure-const.c: Ditto.
11605 * fix-header.c: Ditto.
11607 * tree-stdarg.c: Ditto.
11608 * ipa-utils.c: Ditto.
11609 * loop-init.c: Ditto.
11610 * ipa-inline.c: Ditto.
11611 * cfganal.c: Ditto.
11613 * alloc-pool.c: Ditto.
11614 * dwarf2out.c: Ditto.
11616 * genattrtab.c: Ditto.
11617 * tree-ssa-loop-ivcanon.c: Ditto.
11618 * predict.c: Ditto.
11619 * timevar.c: Ditto.
11621 * fortran/gfortranspec.c: Ditto.
11622 * regmove.c: Ditto.
11623 * local-alloc.c: Ditto.
11624 * langhooks.c: Ditto.
11625 * function.c: Ditto.
11626 * tree-vectorizer.c: Ditto.
11628 * ipa-type-escape.c: Ditto.
11630 * tree-if-conv.c: Ditto.
11631 * profile.c: Ditto.
11633 * tree-data-ref.c: Ditto.
11634 * loop-unroll.c: Ditto.
11635 * treelang/treetree.c: Ditto.
11637 * bt-load.c: Ditto.
11638 * ggc-common.c: Ditto.
11640 * coverage.c: Ditto.
11642 * tree-cfgcleanup.c: Ditto.
11643 * tree-ssa-pre.c: Ditto.
11644 * cfgcleanup.c: Ditto.
11645 * loop-invariant.c: Ditto.
11646 * loop-iv.c: Ditto.
11647 * ipa-prop.c: Ditto.
11648 * print-tree.c: Ditto.
11649 * conflict.c: Ditto.
11650 * ggc-page.c: Ditto.
11651 * sched-deps.c: Ditto.
11652 * regclass.c: Ditto.
11653 * tree-object-size.c: Ditto.
11654 * combine.c: Ditto.
11655 * bb-reorder.c: Ditto.
11656 * resource.c: Ditto.
11657 * var-tracking.c: Ditto.
11658 * cfgloop.c: Ditto.
11659 * df-problems.c: Ditto.
11660 * reg-stack.c: Ditto.
11662 * gccspec.c: Ditto.
11663 * sched-rgn.c: Ditto.
11664 * tree-ssa-structalias.c: Ditto.
11665 * tree-ssa-reassoc.c: Ditto.
11666 * config/darwin-c.c: Ditto.
11667 * config/darwin.c: Ditto.
11668 * config/arm/arm.c: Ditto.
11670 * collect2.c: Ditto.
11671 * reload1.c: Ditto.
11673 2006-01-31 Nicolas Pitre <nico@cam.org>
11675 * arm.md (smaxsi3): Make aware of smax_m1.
11678 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11680 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11682 2006-01-31 Richard Guenther <rguenther@suse.de>
11684 * doc/invoke.texi (-msselibm): Document.
11685 * target.h (expand_library_builtin): New target hook.
11686 * builtins.c (expand_builtin): Use expand_library_builtin.
11687 (default_expand_library_builtin): New function.
11688 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11689 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11690 (link_gcc_math_spec): Declare.
11691 (static_specs): Add link_gcc_math_spec.
11692 * expr.h (default_expand_library_builtin): Declare.
11693 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11694 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11695 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11696 * config/i386/i386.opt (msselibm): New target option.
11697 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11698 (ix86_init_sse_abi_builtins): New function.
11699 (ix86_expand_library_builtin): Likewise.
11700 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11701 (override_options): Handle error conditions wrt -msselibm.
11702 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11703 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11704 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11707 2006-01-31 Richard Guenther <rguenther@suse.de>
11708 Paolo Bonzini <bonzini@gnu.org>
11710 * doc/install.texi (--disable-libgcc-math): Document.
11712 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11714 * expr.h (expand_normal): new inline function.
11715 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11716 * dojump.c: use it.
11717 * dwarf2out.c: use it.
11720 * expmed.c: use it.
11721 * except.c: use it.
11722 * config/sparc/sparc.c: use it.
11723 * config/i386/i386.c: use it.
11724 * config/rs6000/rs6000.c: use it.
11725 * config/arm/arm.c: use it.
11726 * config/mips/mips.c: use it.
11727 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11729 2006-01-30 Roger Sayle <roger@eyesopen.com>
11731 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11732 argv to the appropriate type.
11734 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11736 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11739 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11742 * config/s390/s390.c (struct machine_function): New flag
11743 decomposed_literal_pool_addresses_ok_p.
11744 (s390_reorg): Set it before final stage of literal pool transforms.
11745 (s390_decompose_address): Only accept displacements of the form
11746 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11748 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11750 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11751 the comparison routine return.
11753 2006-01-30 Michael Matz <matz@suse.de>
11755 * global.c (find_reg): Only evict for global regs.
11756 Take n_refs into account and dump more info.
11758 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11761 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11762 (pragma_trap, pragma_nosave_low_regs): Likewise.
11763 (current_function_anonymous_args): Likewise.
11764 (sh_deferred_function_attributes): New variable.
11765 (sh_deferred_function_attributes_tail): Likewise.
11766 (print_operand): For '@', look up trap_exit attribute.
11767 (calc_live_regs): Look up trapa_handler attribute. For trapa
11768 handlers, save/restore fpscr, but don't do any other
11769 interrupt-specific saves.
11770 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11771 Fix check for partially saved registers to check for SHmedia.
11772 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11773 (sh_output_function_epilogue): Don't clear any of the removed
11775 (sh_insert_attributes): Don't check pragma_interrupt.
11776 Insert deferred attributes. Check that interrupt attribute is
11777 present for other attributes that require its presence.
11778 (sh_attribute_table): Add new attributes trapa_handler and
11780 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11781 Don't check for pragma_interrupt. Don't store argument.
11782 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11783 (sh_deferred_function_attributes): Declare.
11784 (sh_deferred_function_attributes_tail): Likewise.
11785 * sh.md (sp_switch_1): Add operand. Change generator caller.
11786 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11787 (*return_i): Don't use when trap_exit attribute is in effect.
11788 (*return_trapa): New insn pattern.
11789 * sh-c.c: New file.
11790 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11791 setting c_target_objs and cxx_target_objs.
11792 * t-sh: Add rule for sh-c.o.
11794 2006-01-30 Richard Guenther <rguenther@suse.de>
11797 * gimplify.c (gimplify_target_expr): Handle easy cases
11798 without creating a temporary.
11800 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11802 * vec.h (safe_grow): Remove duplicated line.
11804 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11807 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11808 (expand_omp): ... here.
11809 (expand_omp_parallel): Only remove barriers for combined
11810 parallel+workshare constructs.
11812 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11816 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11817 * tree.c (build_qualified_type): Chain the new type to the original
11818 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11819 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11820 (build_pointer_type_for_mode): Only return unqualified types.
11821 (build_reference_type_for_mode): Likewise.
11823 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11825 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11826 * Makefile.in (CXX_COMPAT_WARN): Define.
11827 * configure: Regenerate.
11829 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11832 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11835 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11837 * toplev.c: Fix thinko.
11839 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11840 Marcin Dalecki <martin@dalecki.de>
11842 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11843 (push_srcloc): Use XNEW.
11844 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11846 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11848 * df-core.c (df_set_blocks): Deleted all variable.
11850 2006-01-28 Ian Lance Taylor <ian@airs.com>
11852 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11853 cgraph_output_pending_asms.
11855 2006-01-28 Zack Weinberg <zackw@panix.com>
11857 * c.opt: Add -W(no-)overlength-strings.
11858 * doc/invoke.texi: Document it.
11859 * c-opts.c (c_common_handle_option): -pedantic implies
11860 -Woverlength-strings, if not explicitly disabled already.
11861 (c_common_post_options): -Woverlength-strings defaults to off, and
11862 is always off for C++.
11863 * c-common.c (fix_string_type): Issue warning about strings longer
11864 than is portable only if warn_overlength_strings. Rearrange code
11865 a little for clarity.
11866 * configure.in: Check for -Wno-overlength-strings as well before
11867 enabling -pedantic in stage 1.
11868 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11869 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11871 * genconditions.c (write_header, write_one_condition)
11872 (write_conditions, write_writer): Consolidate very long strings
11873 that were broken up to fit in C89 portable limit. Don't use
11874 printf when fputs will do.
11876 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11878 * combine.c (simplify_comparison <AND>): Check
11879 TRULY_NOOP_TRUNCATION before start using a subreg.
11881 * config/mips/mips.md (*branch_zero<mode>,
11882 *branch_zero<mode>_inverted, *branch_equality<mode>,
11883 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11884 Remove mode check from comparisons.
11886 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11888 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11890 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11892 * expmed.c (const_mult_add_overflow_p): Remove.
11893 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11895 * recog.c (validate_replace_rtx_subexp): Remove.
11896 * recog.h: Remove the prototype for
11897 validate_replace_rtx_subexp.
11899 * integrate.h: Remove the prototype for
11900 copy_decl_for_inlining.
11901 * rtl.h: Remove the prototype for mark_constant_function.
11902 * tree-vectorizer.h: Remove the prototype for
11903 vect_strip_conversion.
11905 * modulo-sched.c (create_partial_schedule,
11906 free_partial_schedule, reset_partial_schedule): Make them
11909 * hooks.c (hook_bool_rtx_int_false): Remove.
11910 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11912 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11914 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11915 and -mlong-double-128 are incompatible.
11916 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11917 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11918 (TARGET_LIBGCC2_CFLAGS): Define.
11919 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11920 (TARGET_LIBGCC2_CFLAGS): Same.
11921 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11923 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11926 * c-typeck.c (build_binary_op): Perform implicit casts of
11927 operands before shortening them.
11929 * cfgloopmanip.c (split_loop_bb): Remove.
11930 * cfgloop.h: Remove the prototype for split_loop_bb.
11932 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11933 * cfgloop.h: Remove the prototype for
11934 flow_loop_outside_edge_p.
11936 * emit-rtl.c (init_virtual_regs): Make it static.
11937 * function.h: Remove the prototype for init_virtual_regs.
11939 * recog.c (peephole2_optimize): Make it static.
11940 * recog.h: Remove the prototype for peephole2_optimize.
11942 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11944 * df-scan.c (df_record_entry_block_defs): Check if
11945 INCOMING_RETURN_ADDR_RTX is defined.
11947 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11948 Kenneth Zadeck <zadeck@naturalbridge.com>
11950 PR rtl-optimization/24762
11951 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11952 * targhooks.c (hook_void_bitmap): New hook prototype.
11953 * targhoohs.h (hook_void_bitmap): Ditto.
11954 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11955 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11956 * target.h (live_on_entry): New function pointer.
11957 * df-scan.c (df_all_hard_regs): Removed.
11958 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11959 (df_scan_free_internal): Added df->entry_block_defs.
11960 (df_scan_alloc): Ditto.
11961 (df_scan_dump): Ditto.
11962 (df_uses_record): Plumbed flag field properly thru calls.
11963 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11964 This part fixes PR24762.
11965 (df_bb_refs_record): Added code to make the frame and arg
11966 pointers live in EH blocks.
11967 (df_refs_record): Added call to df_record_entry_block_defs.
11968 (df_record_entry_block_defs): New function.
11969 * df-core.c: Added comments to describe new artifical defs.
11970 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11971 (entry_block_defs): New field in struct df.
11972 (df_all_hard_regs): Deleted.
11973 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11974 * df-problems.c (df_ru_bb_local_compute_process_def):
11975 Added code to handle artifical defs in the entry to a function.
11976 (df_ru_bb_local_compute): Ditto.
11977 (df_rd_bb_local_compute_process_def): Ditto.
11978 (df_rd_bb_local_compute): Ditto.
11979 (df_lr_bb_local_compute): Ditto.
11980 (df_ur_bb_local_compute): Ditto.
11981 (df_urec_bb_local_compute): Ditto.
11982 (df_chain_create_bb): Ditto.
11983 (df_ur_local_finalize): Removed entry.
11984 (df_urec_init): Ditto.
11985 (df_urec_local_finalize): Ditto.
11986 (df_ri_bb_compute): Added detection of last use of pseudos.
11987 * Makefile.in (df-scan.o): Updated dependencies.
11988 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11989 * config/mips/mips.c (mips_set_live_on_entry): Added.
11990 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11992 * dce.c (marked_insn_p): Added code to handle artifical defs.
11994 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11996 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11998 (_mm_cvtsi128_si64): Likewise.
11999 (_mm_cvtsd_si64): Likewise.
12000 (_mm_cvttsd_si64): Likewise.
12001 (_mm_cvtsi64_sd): Likewise.
12002 (_mm_cvtsi64_si128): Likewise.
12003 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12004 (_mm_cvtsi64_m64): Likewise.
12005 (_m_to_int64): Likewise.
12006 (_mm_cvtm64_si64): Likewise.
12007 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12008 (_mm_cvttss_si64): Likewise.
12009 (_mm_cvtsi64_ss): Likewise.
12010 (_mm_cvtss_f32): Likewise.
12012 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12014 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12015 for pragma redefine_extname.
12017 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12020 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12021 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12022 -mno-minimal-toc to previous content.
12023 (bispecs): Remove goal.
12024 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12025 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12026 compatibility aliases on powerpc-*-*gnu*.
12027 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12028 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12029 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12030 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12031 (ldblspecs): New goal.
12032 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12033 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12035 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12036 L_sf_to_tf or L_df_to_tf is defined.
12038 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12039 Alan Modra <amodra@bigpond.net.au>
12042 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12043 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12044 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12045 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12046 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12047 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12048 (rs6000_override_options): Initialize rs6000_ieeequad.
12049 Initialize TFmode format to ibm_extended_format if not
12051 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12053 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12054 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12055 (function_arg_advance): IBM long double passed in two FPRs, not
12057 (function_arg): IBM long double passed in FPRs.
12058 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12059 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12060 Only multireg GPR aligned.
12061 (rs6000_init_libfuncs): Enable IBM long double functions if not
12063 (rs6000_generate_compare): Use IBM long double compare if not
12065 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12066 (TARGET_IEEEQUAD): Define.
12067 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12068 not TARGET_IEEEQUAD.
12069 * config/rs6000/rs6000.md: Enable TFmode patterns if
12071 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12072 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12073 and -mlong-double-128 are incompatible.
12074 * doc/invoke.texi (-mabi): Collect options together. Add
12075 ibmlongdouble and ieeelongdouble.
12077 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12079 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12081 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12082 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12083 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12084 * rtl.h (rtunion_def): Remove rt_ptr.
12086 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12087 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12088 * config/i386/winnt.c (i386_pe_mark_dllexport)
12089 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12091 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12093 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12095 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12099 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12100 pthread_key_delete. From John David Anglin. gthrw-ify
12101 pthread_getunique_np only if it it's not a macro. Delete
12103 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12104 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12105 __gthread_objc_condition_signal, __gthread_key_delete): Add
12106 "__attribute__ ((__unused__))" to unused arguments.
12107 (__gthread_recursive_mutex_init_function): Add missing return.
12108 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12109 gthr-posix95.h: Use macro-based approach for name redirection
12110 on targets missing weakref.
12112 2006-01-26 Zack Weinberg <zackw@panix.com>
12114 * genconditions.c (write_header): In generated code, #ifdef out
12115 all includes and fake declarations, except includes of bconfig.h
12116 and system.h, unless GCC_VERSION >= 3001. Do not include
12117 gensupport.h in any case.
12118 (write_conditions): Generate a definition of struct c_test. Add
12119 a comment to the generated #endif.
12120 (write_one_condition): Escape backslashes in string too.
12121 (write_writer): Generated code must escape backslashes and quote
12122 marks (but not newlines) in the strings it writes.
12123 * Makefile.in (build/gencondmd.o): Update dependencies.
12125 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12128 * Makefile.in (insn-automata.o): Add header file dependencies.
12129 * genautomata.c: Add includes.
12131 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12134 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12136 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12138 * configure.ac: Expect target tools paths to be passed from the toplevel
12139 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12141 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12143 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12146 * c.opt (Wpointer-sign): Init to -1.
12147 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12148 OPT_pedantic, to 0 otherwise.
12149 * doc/invoke.texi: Update.
12151 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12153 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12154 constants provided by 80387 instructions in the destination mode.
12156 2006-01-26 Richard Guenther <rguenther@suse.de>
12157 Andrew Pinski <pinskia@physics.uc.edu>
12160 partial PR tree-opt/17064
12161 * tree-ssa-structalias.c (intra_create_variable_infos):
12162 Create heap variables for incoming parameters if
12163 flag_argument_noalias > 1.
12164 (find_what_p_points_to): Look through default defs of
12167 2006-01-26 Jeff Law <law@redhat.com>
12170 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12171 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12172 within the VR_RANGE, use the VR_RANGE as the result, not the
12174 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12175 bounds for the type.
12177 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12179 * tree-ssa-alias.c (maybe_create_global_var): Change
12180 subvar walking to an assertion that we don't have subvar'd variables.
12182 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12185 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12186 Use a new variable, inner. PARM_DECLs are always non-weak.
12188 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12190 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12191 --disable-checking.
12193 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12195 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12197 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12199 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12200 (smax_insn, smin_insn, smax_0, smin_0): New.
12202 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12205 * config/cris/cris.c (cris_order_for_addsi3): New function.
12206 * config/cris/cris-protos.h: Prototype it.
12207 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12208 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12209 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12210 (split for "op.S1 [rx=rx+i],ry (swapped)")
12211 (split for "op(s|u).S1 [rx=rx+i],ry")
12212 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12213 Apply cris_order_for_addsi3 when generating addsi3 insns.
12215 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12217 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12218 (TREE_BLOCK): Add call to EXPR_CHECK.
12220 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12223 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12224 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12225 (dump_omp_clauses): ... here.
12226 (dump_generic_node): Handle OMP_CLAUSE.
12227 * tree.c (omp_clause_num_ops): New.
12228 (omp_clause_code_name): New.
12229 (tree_code_size): Handle OMP_CLAUSE.
12230 (tree_size): Likewise.
12231 (make_node): Document handling of OMP_CLAUSE.
12232 (tree_node_structure): Handle OMP_CLAUSE.
12233 (omp_clause_check_failed): New.
12234 (omp_clause_range_check_failed): New.
12235 (omp_clause_operand_check_failed): New.
12236 (build_omp_clause): New.
12237 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12238 * tree.h (enum omp_clause_code): Declare.
12239 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12240 (OMP_CLAUSE_RANGE_CHECK): Define.
12241 (OMP_CLAUSE_ELT_CHECK): Define.
12242 (omp_clause_check_failed): Declare.
12243 (omp_clause_operand_check_failed): Declare.
12244 (omp_clause_range_check_failed): Declare.
12245 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12246 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12247 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12248 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12249 (OMP_CLAUSE_IF_EXPR): Likewise.
12250 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12251 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12252 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12253 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12254 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12255 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12256 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12257 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12258 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12259 (OMP_CLAUSE_CODE): Define.
12260 (OMP_CLAUSE_SET_CODE): Define.
12261 (OMP_CLAUSE_CODE): Define.
12262 (OMP_CLAUSE_OPERAND): Define.
12263 (struct tree_omp_clause): Declare.
12264 (union tree_node): Add field 'omp_clause'.
12265 * treestruct.def (TS_OMP_CLAUSE): Define.
12266 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12267 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12268 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12269 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12270 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12271 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12272 (OMP_CLAUSE): Define.
12273 * print-tree.c (print_node): Handle OMP_CLAUSE.
12274 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12275 * c-typeck.c: Likewise.
12276 * gimplify.c: Likewise.
12277 * c-omp.c: Likewise.
12278 * tree-nested.c: Likewise.
12279 * tree-inline.c: Likewise.
12280 * c-parser.c: Likewise.
12281 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12284 2006-01-25 Roger Sayle <roger@eyesopen.com>
12286 PR rtl-optimization/25703
12287 * combine.c (try_combine): Handle zero_extract and strict_low_part
12288 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12290 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12292 * global.c: Fix comment typos.
12294 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12297 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12298 Use output_addr_const instead of assemble_name.
12300 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12302 * Makefile.in (sched-vis.o): Update dependencies.
12303 * haifa-sched.c (sched_finish): Clear current_sched_info.
12304 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12305 (dump_flow_info): Call it.
12306 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12308 * basic-block.h (dump_bb_info): Declare.
12309 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12310 option, and apply options only for dump files whose TDF_RTL,
12311 TDF_TREE, or TDF_IPA bits match.
12312 * rtl.h: Declare new functions exported from sched-vis.c.
12313 * sched-vis.c: Enable also if scheduling is not used.
12314 (print_value): Print the mode of registers if not inside scheduling.
12315 (print_insn): Make it work outside the scheduler. Beautify the output
12317 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12319 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12321 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12322 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12323 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12324 depending on the value of CONSTANT_POOL_ADDRESS_P.
12325 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12327 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12328 rather than SYMBOL_REF_DECL.
12329 (rtx_constant_pool): Remove const_rtx_sym_htab.
12330 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12331 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12332 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12333 Remove handling of const_rtx_sym_htab.
12334 (find_pool_constant): Delete.
12335 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12336 rather than find_pool_constant.
12337 (get_pool_constant_for_function): Delete.
12338 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12339 find_pool_constant.
12340 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12341 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12342 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12343 (SYMBOL_REF_CONSTANT): New macro.
12344 (get_pool_constant_for_function): Delete.
12345 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12346 rather than SYMBOL_REF_DECL.
12347 (i386_pe_mark_dllimport): Likewise.
12348 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12349 rather than SYMBOL_REF_DECL.
12350 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12351 (machopic_indirect_call_target): Likewise.
12353 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12355 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12357 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12359 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12361 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12363 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12365 2006-01-24 David Daney <ddaney@avtrex.com>
12368 * configure.ac (enable_tls): New enable option.
12369 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12370 * configure: Regenerate.
12371 * doc/install.texi (--enable-tls): Document new option.
12372 (--disable-tls): Ditto.
12374 2006-01-24 Richard Henderson <rth@redehat.com>
12376 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12377 * alias.c (true_dependence): Respect it.
12378 (canon_true_dependence, write_dependence_p): Likewise.
12379 * builtins.c (get_builtin_sync_mem): Set it.
12381 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12383 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12386 2006-01-24 DJ Delorie <dj@redhat.com>
12388 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12389 for storing constants in single-bit bitfields.
12391 2006-01-25 Ben Elliston <bje@au.ibm.com>
12393 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12395 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12398 * tree-ssa-pre.c (phi_translate): Return NULL
12399 for AGGREGATE_TYPE's.
12401 2006-01-24 Zack Weinberg <zackw@panix.com>
12403 * genautomata.c (process_state_for_insn_equiv_partition):
12404 Use xcalloc for insn_arcs_array.
12405 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12406 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12408 2006-01-24 Richard Henderson <rth@redhat.com>
12410 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12411 update all callers.
12413 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12415 PR rtl-optimization/25890
12416 PR rtl-optimization/25905
12417 * combine.c (expand_compound_operation, expand_field_assignment):
12418 Fail if the bitfield's final position is out of bounds.
12420 2006-01-24 Ian Lance Taylor <ian@airs.com>
12422 PR middle-end/25930
12423 * cgraphunit.c (cgraph_output_in_order): Don't clear
12424 cgraph_asm_nodes until after asm strings have been output.
12426 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12428 * fix-header.c (read_scan_file): Add new parameter imultilib when
12429 calling register_include_chains.
12431 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12433 * omp-low.c: Update documentation.
12435 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12436 Daniel Berlin <dberlin@dberlin.org>
12440 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12441 return from the function.
12443 2006-01-22 Zack Weinberg <zackw@panix.com>
12445 * rtl.def (match_code): Add second argument.
12446 * genpreds.c (write_extract_subexp): New function.
12447 (write_match_code): Add path argument. Use write_extract_subexp.
12448 (write_predicate_expr): Pass path to write_match_code.
12449 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12450 not perform a mode test.
12451 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12452 a subexpression does not constrain the top-level code set.
12453 * read-rtl.c (read_rtx_variadic): New function.
12454 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12455 * doc/md.texi: Document new notation.
12456 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12457 (cmpsi_operand): ... here, using new notation.
12459 2006-01-22 Zack Weinberg <zackw@panix.com>
12461 * varray.c: Remove GENERATOR_FILE #ifdefs.
12463 2006-01-22 Zack Weinberg <zackw@panix.com>
12465 * genautomata.c (output_reserved_units_table): Emit nothing if
12466 description->query_units_num is zero. Remove extra blank line.
12467 (output_cpu_unit_reservation_p): Short circuit
12468 if description->query_units_num is zero.
12470 2006-01-22 Zack Weinberg <zackw@panix.com>
12472 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12473 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12474 nor any of the random handful of variables that used to be necessary
12475 when this program was linked with rtlanal.o. Prune set of forward
12476 function declarations.
12477 (struct attr_desc): Remove static_p field.
12478 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12479 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12480 (attr_string): Do not read the character one past the length of
12482 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12483 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12484 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12485 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12486 (make_automaton_attrs): New.
12487 (main): Do not call into genautomata. Call local gen_bypass
12488 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12489 Remove special case for insn_alts.
12490 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12491 varray.h (leftover from previous change). Prune set of forward
12492 function declarations. Remove state_alts fields from all
12493 structures. Remove state_alts_table from struct automaton.
12494 Make everything except main static. Do not maintain num_dfa_decls.
12495 Do not maintain state_alts fields of various structures.
12496 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12497 (add_arc): Remove state_alts argument. All callers updated.
12498 (output_reserved_units_table): Emit #ifdef here...
12499 (output_tables): ...not here. Don't generate state_alts tables.
12500 (expand_automata): Don't generate attributes.
12501 (write_automata): Don't generate state_alts functions.
12502 (main): New function.
12503 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12504 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12505 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12506 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12507 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12508 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12509 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12510 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12512 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12513 * genattrtab.h: Delete file.
12514 * Makefile.in (OBJS-common): Add insn-automata.o.
12515 (insn-automata.o): New rule.
12516 (simple_generated_c): Add insn-automata.c.
12517 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12518 (genprogmd): Add automata.
12519 (build/genattrtab): Needs no extra objects nor libraries.
12520 (build/genautomata): Needs build/vec.o and -lm.
12522 2006-01-22 Zack Weinberg <zackw@panix.com>
12524 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12525 (output_dfa_max_issue_rate, locked_states_num): Delete.
12526 (struct automaton): Add locked_states field.
12527 (output_dead_lock_vect): Save number of locked states in
12528 automaton->locked_states. If it is zero, don't print anything.
12529 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12530 (output_internal_dead_lock_func): Only test the dead_lock_vect
12531 for automata that have locked states.
12532 (output_statistics): Always print the number of locked states for
12533 each automaton. Calculate total number of locked states here.
12534 (write_automata): Don't call output_dfa_max_issue_rate.
12535 * genattrtab.c: Define length_unit_log as a const variable.
12536 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12537 max_insn_queue_index const.
12538 * final.c (length_unit_log): Declare const.
12539 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12541 2006-01-22 Zack Weinberg <zackw@panix.com>
12543 * genautomata.c: Include vec.h, not varray.h.
12544 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12545 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12546 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12547 VEC_* macros operating on appropriately typed vectors, or to
12548 malloced arrays when the size is known in advance. Const-ify
12549 many char* variables and function arguments. No functional changes.
12550 * Makefile.in (build/varray.o): Delete rule.
12551 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12552 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12554 2006-01-22 Zack Weinberg <zackw@panix.com>
12556 * gensupport.c: Define get_insn_name and record_insn_name here.
12557 (read_md_rtx): Call record_insn_name as appropriate.
12558 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12559 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12560 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12562 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12563 (BUILD_VARRAY): Delete.
12564 (genprognormal): Rename genprogmd. Fold in all programs from
12565 genprognoprint; also attrtab.
12566 (build/genattrtab): Just mention genautomata.o and varray.o.
12567 Reorganize a bit, add comments to make the categories clearer.
12569 2006-01-22 Zack Weinberg <zackw@panix.com>
12571 * genconditions.c (condition_table, add_condition): Delete.
12572 (write_conditions): Don't emit n_insn_conditions nor
12573 insn_elision_unavailable. Issue the gcc version #ifdef here,
12574 inside the table, with no #else clause ...
12575 (write_header): ...not here.
12576 (write_writer): New function.
12577 (main): Don't initialize condition_table. Use add_c_test.
12579 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12580 files on the command line.
12581 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12582 Return -1 if there is no entry in the table, don't abort.
12583 (add_c_test, traverse_c_tests): New functions.
12584 * gensupport.h (insn_elision_unavailable, insn_conditions)
12585 (n_insn_conditions): Delete declarations.
12586 (add_c_test, traverse_c_tests): Declare.
12587 * read-rtl.c: Include gensupport.h.
12588 (read_conditions): New function.
12589 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12590 (read_rtx_1): If we get EOF when we were looking for an initial
12591 open paren, return 0. Call read_conditions when appropriate.
12592 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12593 dummy-conditions.o. Eliminate references to insn-conditions.o,
12594 or change them to build/gencondmd.o, as appropriate. Remove
12595 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12596 from $(simple_generated_c). For all files remaining in those
12597 two lists, add insn-conditions.md to the generator command line.
12598 Give insn-constants.h/s-constants their own rules. Add rules
12599 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12600 (build/read-rtl.o): Depend on gensupport.h.
12601 (genprognormal): Include preds.
12602 (genprogearly): Rename genprognoprint; only difference is now that
12603 they don't link with $(BUILD_PRINT).
12604 * dummy-conditions.c: Delete.
12606 2006-01-22 Zack Weinberg <zackw@panix.com>
12608 * genextract.c: Don't include insn-config.h. Do include vec.h.
12609 Declare vectors of int, char, and locstr.
12610 (locstr): New typedef.
12611 (struct extraction): Make all array fields into bare pointers.
12612 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12613 (insn_code_number): Delete.
12614 (accum_extract): New struct.
12615 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12616 (gen_insn): Take insn_code_number as an argument. Use an
12617 accum_extract structure instead of loading data directly into
12618 a struct extraction, and having to know how big it might get.
12619 (walk_rtx): Operate entirely on an accum_extract structure.
12620 (print_path): Avoid unnecessary use of printf.
12621 (print_header): New function, split out of main. Distinguish
12622 more carefully between an unrecognizable insn and an insn that
12623 has the code number of a define_expand.
12624 (main): Pass insn_code_number to gen_insn. Call print_header
12625 only after parsing. Avoid unnecessary use of printf.
12626 * Makefile.in (build/vec.o): New rule.
12627 (build/genextract): Depend on build/vec.o.
12628 (build/genextract.o): Don't depend on insn-config.h.
12630 2006-01-22 Zack Weinberg <zackw@panix.com>
12632 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12633 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12634 practical. Eliminate per-generator-program link rules.
12636 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12638 PR middle-end/24437
12639 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12640 with a call expr to ...
12641 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12643 2006-01-23 Richard Guenther <rguenther@suse.de>
12645 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12646 before make_edge with conditional EDGE_TRUE_VALUE.
12648 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12649 Jan Hubicka <jh@suse.cz>
12650 Richard Guenther <rguenther@suse.de>
12652 PR rtl-optimization/25654
12653 * cfgexpand.c (aggregate_contains_union_type): New function.
12654 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12655 for structure variables that contain a union type.
12657 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12659 * gengtype.c (new_structure): Return the structure.
12660 (create_option): Add an extra "next" argument.
12661 (create_field): New function.
12662 (adjust_field_rtx_def): Use create_option and create_field.
12663 Remove a now-unnecessary call to find_structure.
12664 (adjust_field_tree_def): Likewise.
12665 (note_yacc_type): Remove an unnecessary call to find_structure.
12666 * gengtype.h (new_structure): Return the structure.
12667 (create_option): Add an extra argument.
12668 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12669 (option): Adjust calls to create_option.
12671 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12673 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12675 2006-01-22 Paul Brook <paul@codesourcery.com>
12676 Peter Barada <peter@the-baradas.com>
12678 * config/m68k/m68k.md: Add Coldfire FPU support.
12679 Define FP mode macro and associated attributes.
12680 Use it for float mode patterns.
12681 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12682 (LIBCALL_VALUE): Use m68k_libcall_value.
12683 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12684 (m68k_function_value): Ditto.
12685 (emit_move_sequence): Ditto.
12686 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12687 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12688 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12689 (MULTILIB_EXCEPTIONS): Ditto.
12690 * config/m68k/m68k.opt: Add mcfv4e.
12691 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12692 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12693 (m68k_output_function_prologue): Save ColdFire FPU registers.
12694 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12695 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12696 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12697 ColdFire FPU registers.
12698 (m68k_libcall_value, m68k_function_value): New functions.
12699 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12700 (LIBCALL_VALUE): Use m68k_libcall_value.
12701 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12702 (MASK_COLDFIRE): Add MASK_CFV4E.
12703 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12704 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12705 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12706 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12707 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12708 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12709 * doc/invoke.tex: Document -mcfv4e on m68k.
12711 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12713 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12716 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12719 * c-opts.c (c_common_handle_option): Don't include
12720 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12721 * doc/invoke.texi (C++ Dialect Options): Document that
12722 -Wnon-virtual-dtor is no longer included in -Wall.
12724 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12726 * gcov.c (print_version), gcov-dump.c (print_version),
12727 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12730 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12732 * df-scan.c (problem_SCAN): Added NULL reset function.
12733 (df_scan_reset_blocks): Added code to call reset block function
12734 (df_bb_refs_delete) Fixed comment.
12735 (df_insn_refs_delete): Made tolerant of deleting non existent info
12736 for dataflow problems that need to be reset.
12737 * df-core.c (df_set_blocks): Ditto.
12738 * df.h (struct df_problem): Added reset_fun.
12739 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12740 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12741 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12742 functions to clear out all references to def-use or use-def chains.
12744 2006-01-21 Ben Elliston <bje@au.ibm.com>
12746 * varasm.c (assemble_real): Initialise data array.
12748 2006-01-20 Paul Brook <paul@codesourcery.com>
12750 Merge from csl-arm-branch.
12751 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12752 * config/arm/arm.md (movdi): Force operands[1] to a register
12753 if we have a non-register source.
12754 (*arm_movdi, *movdf_soft_insn): Require that one of the
12755 operands be a register.
12756 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12757 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12759 2006-01-20 DJ Delorie <dj@redhat.com>
12761 * varasm.c (initializer_constant_valid_p): Allow pointers
12762 initialized from integer constants of lesser precision.
12763 (output_constant): Allow non-int-sized pointer modes to be
12764 initialized from integer constants.
12766 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12769 * cppdefault.h (struct default_include): Add multilib flag.
12770 * cppdefault.c (cpp_include_defaults): Set it.
12771 * c.opt (-imultilib): New option.
12772 * c-opts.c (imultilib): New.
12773 (c_common_handle_option): Handle -imultilib.
12774 (c_common_post_options): Likewise.
12775 * c-incpath.c (add_standard_paths, register_include_chains):
12777 * c-incpath.h (register_include_chains): Add extra parameter.
12778 * gcc.c (do_spec_1): Generate -imultilib option.
12779 (The Specs Language): Update %I description.
12780 (process_command): Update copyright notice.
12781 * doc/cppopts.texi (-imultilib): Document.
12782 * doc/invoke.texi (-imultilib): Include in option summary.
12783 (%I): Update specs documentation.
12785 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12787 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12789 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12791 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12794 2006-01-20 Richard Guenther <rguenther@suse.de>
12795 Steven Bosscher <stevenb.gcc@gmail.com>
12797 PR rtl-optimization/24626
12798 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12799 EDGE_TRUE_VALUE if in RTL mode.
12802 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12803 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12805 2006-01-20 Dirk Mueller <dmueller@suse.com>
12808 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12809 instead of a special NOP marker.
12810 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12811 NOP marker handling.
12812 * c-common.h (empty_body_warning): Add forward declaration.
12813 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12814 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12816 2006-01-20 Paul Brook <paul@codesourcery.com>
12818 * Makefile.in (lang_checks): Keep going if mkdir fails.
12820 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12822 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12823 be able to clean out basic block when not necessary.
12824 (df_scan_free): Fixed to properly delete information if df is
12825 unused before calling df_finish.
12826 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12827 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12829 (df_bb_refs_delete): New function.
12830 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12831 * df-core.c (df_set_blocks): Added code to properly clean out
12832 unused blocks if they are not part of the blocks to consider.
12833 Added additional null check.
12834 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12835 be able to clean out basic block when not necessary
12836 * df.h (df_free_bb_function): Ditto.
12837 (df_bb_refs_delete): New function.
12838 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12839 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12840 basic block parameter to be able to clean out basic block when not
12842 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12843 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12844 Fixed to properly delete information if df is unused before
12847 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12849 PR rtl-optimization/25799
12850 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12851 Corrected confluence operator to remove bits from op2 before oring
12852 with op1 rather than removing bits from op1.
12853 (df_ru_transfer_function): Corrected test on wrong bitmap which
12854 caused infinite loop. Both of these problems were introduced in
12855 the dataflow rewrite.
12857 2006-01-19 DJ Delorie <dj@redhat.com>
12859 * reload1.c (find_reload_regs): Note the details of reload
12860 failures in the dump file.
12861 (spill_failure): Likewise.
12863 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12865 * loop-iv.c: Include df.h and hashtab.h.
12866 (enum iv_grd_result): New enum.
12867 (DF_REF_IV, DF_REF_IV_SET): New macros.
12868 (struct biv_entry): New.
12869 (df, bivs): New global variables.
12870 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12871 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12873 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12874 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12875 analyzed_for_bivness_p, record_biv): New functions.
12876 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12877 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12878 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12880 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12882 (iv_number_of_iterations): Use new interface to iv analysis.
12883 * loop-unroll.c: Do not include varray.h.
12884 (analyze_iv_to_split_insn): Use new interface to iv
12886 * loop-unswitch.c (may_unswitch_on): Ditto.
12887 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12889 (df_bb_modify): Realloc tables to the new index.
12890 (df_find_use): New function.
12891 * df.h (df_find_use): Declare.
12892 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12894 * cfgloop.h (struct rtx_iv): Remove analysed field.
12895 (iv_get_reaching_def): Removed.
12896 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12897 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12898 (loop-iv.o): Add df.h and hashtab.h dependency.
12899 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12901 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12904 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12906 (__floatundisf, __floatundidf): Likewise.
12907 * libgcc2.h (IS_IBM_EXTENDED): Define.
12909 2006-01-19 DJ Delorie <dj@redhat.com>
12911 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12913 2006-01-19 Paul Brook <paul@codesourcery.com>
12915 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12916 as nothrow when unwinding tables are disabled.
12918 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12921 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12922 of bit-field" when in system header.
12924 2006-01-19 DJ Delorie <dj@redhat.com>
12926 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12927 the 16 bit shift limit of the m16c.
12929 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12932 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12933 * config/i386/i386.c (output_set_got): Output the label if we have one
12934 for the TARGET_DEEP_BRANCH_PREDICTION case.
12936 2006-01-19 Jan Hubicka <jh@suse.cz>
12937 H.J. Lu <hongjiu.lu@intel.com>
12938 Evandro Menezes <evandro.menezes@amd.com>
12940 * invoke.texi (generic): Document
12942 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12943 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12944 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12945 (x86_use_incdec, x86_pad_returns): New variables
12946 (TARGET_CPU_DEFAULT_generic): New constant
12947 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12948 (enum processor_type): Add generic32 and generic64.
12949 * i386.md (cpu attribute): Add generic32/generic64
12950 (movhi splitter): Behave sanely when both partial_reg_dependency and
12951 partial_reg_stall are set.
12952 (K8 splitters): Enable for generic as well.
12953 * predicates.md (incdec_operand): Use TARGET_INCDEC
12954 (aligned_operand): Avoid memory mismatch stalls.
12955 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12956 * ppro.md: Enable for generic32
12957 * i386.c (generic64_cost, generic32_cost): New.
12958 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12959 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12960 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12961 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12962 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12963 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12964 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12965 x86_accumulate_outgoing_args, x86_prologue_using_move,
12966 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12967 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12968 Enable for generic.
12969 (x86_use_incdec, x86_pad_returns): New.
12970 (override_options): Add generic32 and generic64, translate "generic"
12971 to generic32/generic64 and "i686" to "generic32", refuse
12972 "generic32"/"generic64" as arch target.
12973 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12974 (ix86_reorg): Honor PAD_RETURNS.
12976 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12978 * tree-pretty-print.c (dump_generic_node): Handle
12979 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12980 * cgraph.c (cgraph_expand_queue): Rename from
12981 cgraph_analyze_queue. Update all users.
12982 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12983 cgraph_expand_queue.
12984 (cgraph_expand_all_functions): Likewise.
12985 (cgraph_finalize_pending_functions): Remove. Update callers.
12987 * tree.h (OMP_DIRECTIVE_P): Define.
12988 (OMP_PARALLEL_FN): Define.
12989 (OMP_PARALLEL_DATA_ARG): Define.
12990 (OMP_SECTIONS_SECTIONS): Define.
12991 * tree-pass.h (pass_expand_omp): Declare.
12992 * omp-low.c (struct omp_region): Declare.
12993 (struct omp_context): Remove fields 'parallel_type',
12994 'parallel_start_ix' and 'parallel_start_additional_args'.
12996 (struct omp_for_data): Rename from struct expand_omp_for_data.
12997 (omp_regions): New static variable.
12998 (root_omp_region): New static variable.
12999 (find_omp_clause): Make static.
13000 (is_in_combined_parallel_ctx): Remove.
13001 (is_combined_parallel): New.
13002 (extract_omp_for_data): Move earlier in the file.
13003 (workshare_safe_to_combine_p): New.
13004 (get_ws_args_for): New.
13005 (determine_parallel_type): Move earlier in the file.
13006 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13008 (omp_copy_decl): Likewise.
13009 (create_omp_child_function): Likewise.
13010 (lookup_omp_region): New.
13011 (dump_omp_region): New.
13012 (debug_omp_region): New.
13013 (debug_all_omp_regions): New.
13014 (new_omp_region): New.
13015 (scan_omp_parallel): If parallel_nesting_level > 1, the
13016 directive is nested within another parallel directive.
13017 Set OMP_PARALLEL_FN.
13018 (scan_omp_for): Do not try to handle combined parallel+for
13020 Remove FIXME comment.
13021 (scan_omp_nested): Remove.
13022 (scan_omp_1): Do not call scan_omp_nested when
13023 parallel_nesting_level is > 1.
13024 Do not change the DECL_CONTEXT of local variables found.
13025 (lookup_decl_in_outer_ctx): New.
13026 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13027 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13028 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13029 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13030 If CTX is nested, lookup VAR in the outer context when
13031 building copy assignment.
13032 (lower_send_clauses): Rename from expand_send_clauses.
13033 If CTX is nested, lookup VAR in the outer context when
13034 building copy assignments.
13035 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13036 If CTX is nested, lookup VAR in the outer context when
13037 building copy assignments.
13038 (expand_parallel_call): Rename from build_parallel_call.
13039 Handle combined parallel+workshare cases.
13040 Re-implement to emit code into the CFG.
13042 (expand_omp_parallel): Re-implement to emit code into the CFG.
13043 Call move_sese_region_to_fn to outline the sub-graph
13044 containing the parallel region.
13045 (expand_omp_for_1): Remove.
13046 (expand_omp_for_generic): Re-implement to emit code into the
13048 (expand_omp_for_static_nochunk): Likewise.
13049 (expand_omp_for_static_chunk): Likewise.
13050 (expand_omp_for): Likewise.
13051 (expand_omp_sections): Likewise.
13052 (remove_exit_barriers): New.
13053 (expand_omp_synch): New.
13055 (build_omp_regions_1): New.
13056 (build_omp_regions): New.
13057 (execute_expand_omp): New.
13058 (gate_expand_omp): New.
13059 (pass_expand_omp): Define.
13060 (lower_omp_sections): Rename from expand_omp_sections.
13061 Set OMP_SECTIONS_SECTIONS.
13062 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13063 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13064 (lower_omp_single): Rename from expand_omp_simple.
13065 (lower_omp_master): Rename from expand_omp_master.
13066 (lower_omp_ordered): Rename from expand_omp_ordered.
13067 (lower_omp_critical): Rename from expand_omp_critical.
13068 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13069 (lower_omp_for): Re-implement.
13070 (lower_omp_parallel): Re-implement.
13071 (lower_regimplify): Rename from expand_regimplify.
13072 (lower_omp_1): Rename from expand_omp_1.
13073 If there are syntax errors in the program, replace every
13074 OpenMP directive with NOP.
13075 Call lower_omp_* instead of expand_omp_*.
13076 (lower_omp): Rename from expand_omp.
13078 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13079 * tree-gimple.h (enum omp_parallel_type): Remove.
13080 (gimple_boolify): Declare extern.
13081 (find_omp_clause, determine_parallel_type): Remove.
13083 * gimple-low.c (lower_omp_directive): New.
13084 (lower_stmt): Call it.
13085 (record_vars_into): Move from ...
13086 (record_vars): ... here.
13087 Call record_vars_into with current_function_decl.
13089 * gimplify.c (struct gimplify_ctx): Remove fields
13090 combined_pre_p and combined_ctxp. Update users.
13091 (get_formal_tmp_var): Add documentation.
13092 (gimple_boolify): Make extern.
13093 (gimplify_expr_in_ctx): Remove. Update callers.
13094 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13095 will always be a BIND_EXPR.
13096 (gimplify_expr): Handle OMP_RETURN_EXPR.
13097 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13098 (OMP_PARALLEL): Add 3 operands.
13099 (OMP_SECTIONS): Add 1 operand.
13100 (OMP_RETURN_EXPR): Define.
13102 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13103 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13104 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13105 creating a circular free list.
13106 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13108 * tree-flow.h (move_sese_region_to_fn): Declare.
13109 (record_vars_into): Declare.
13110 * tree-cfg.c (make_omp_sections_edges): New.
13111 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13112 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13113 OMP_SECTIONS and OMP_SECTION.
13114 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13115 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13116 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13117 (gather_blocks_in_sese_region): New.
13118 (struct move_stmt_d): Declare.
13119 (move_stmt_r): New.
13120 (move_block_to_fn): New.
13121 (move_sese_region_to_fn): New.
13123 * passes.c (init_optimization_passes): Schedule
13124 pass_expand_omp after pass_init_datastructures.
13126 * tree-ssa-operands.c (get_expr_operands): Handle
13127 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13128 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13130 2006-01-19 Jeff Law <law@redhat.com>
13132 * tree-vrp.c (extract_range_from_assert): Refine the result range
13133 if the variable referenced by the ASSERT_EXPR has a range and
13134 either the tentative result range or the previous range is a
13137 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13139 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13141 2006-01-19 Jan Hubicka <jh@suse.cz>
13143 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13145 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13147 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13148 (expand_compound_operation, expand_field_assignment): Fail if the
13149 bit lengths of an extract operation are out of range.
13150 (make_extraction): Compute wanted_inner_mode based on the position
13151 and length of the extraction. Make it extraction_mode for non-constant
13152 positions, and do not modify offset in that case. When generating a
13153 new MEM, use a mode that can hold the extraction while keeping correct
13154 alignment. Remove code that supported MEMs wrapped by USEs.
13155 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13157 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13159 * config/s390/s390.md ("Y", "y"): New mode attribute.
13160 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13161 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13162 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13163 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13164 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13165 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13166 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13167 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13168 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13169 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13170 "addsi3", "subsi3"): Insn patterns removed.
13171 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13172 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13173 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13174 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13175 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13176 "*sub<mode>3_cconly2"): New insn patterns.
13177 ("addsi3", "subsi3"): New expanders.
13179 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13181 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13182 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13183 existing STMT_VINFO_VECTYPE if available.
13184 (vect_mark_relevant): Add special handling for stmts that are
13185 marked as STMT_VINFO_IN_PATTERN_P.
13186 (vect_analyze_loop): Call vect_pattern_recog.
13187 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13188 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13190 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13191 (vect_recog_func_ptr): New function-pointer type.
13192 * tree-vect-patterns.c: New file.
13193 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13194 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13195 (vect_pattern_recog_1): New functions.
13196 (vect_pattern_recog_funcs): New array of function pointers.
13198 * tree-vectorizer.h (ternary_op): New enum value.
13199 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13200 declaration. Revised documentation. Removed redundant dump prints.
13201 Removed redundant argument. Added support for reduction patterns.
13202 (vectorizable_reduction): Added support for reduction patterns.
13203 (vect_transform_stmt): Added support for patterns.
13205 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13206 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13207 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13208 (expand_widen_pattern_expr): New function.
13209 (init_optabs): Initialize new optabs udot_prod_optab,
13211 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13212 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13213 (expand_widen_pattern_expr): New function declaration.
13214 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13216 * tree-inline.c (estimate_num_insns_1): Added cases for new
13217 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13218 * tree-pretty-print.c (dump_generic_node): Likewise.
13219 (op_prio): Likewise.
13220 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13221 * tree-ssa-operands.c (get_expr_operands): Added case for
13223 * tree-vect-patterns.c (widened_name_p): New function.
13224 (vect_recog_dot_prod_pattern): Added function implementation.
13225 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13226 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13227 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13228 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13230 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13231 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13232 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13233 (init_optabs): Initialize new optabs widen_ssum_optab,
13235 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13236 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13237 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13238 use instead of type of def.
13239 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13240 function implementation.
13241 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13242 widen_ssumv8hi): New.
13244 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13247 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13250 * c-decl.c (add_flexible_array_elts_to_size): New function.
13251 (finish_decl): Use it.
13253 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13255 * diagnostic.h: Include options.h.
13256 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13257 dependancies for diagnostic.h.
13258 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13260 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13262 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13263 (ssa_ro_call_cache_valid): Ditto.
13264 * tree-ssa-alias.c (sort_tags_by_id): New function.
13265 (init_transitive_clobber_worklist): Ditto.
13266 (add_to_worklist): Ditto.
13267 (mark_aliases_call_clobbered): Ditto.
13268 (compute_tag_properties): Ditto.
13269 (set_initial_properties): Ditto.
13270 (compute_call_clobbered): Ditto.
13271 (compute_may_aliases): Call compute_call_clobbered and grouping.
13272 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13273 (compute_flow_insensitive_aliasing): Grouping now happens in our
13275 (setup_pointers_and_addressables): Remove clobbering related code.
13276 (add_may_alias): Ditto.
13277 (replace_may_alias): Ditto.
13278 (get_nmt_for): Ditto.
13279 (create_global_var):
13280 (is_escape_site): Return an escape_type enumeration.
13281 * tree-flow-inline.h (is_call_clobbered): Global var does not
13282 imply call clobbered.
13283 (mark_call_clobbered): Take a reason for marking this. Remove
13284 marking of globalness, and cache invalidation.
13285 (clear_call_clobbered): Remove cache invalidation code.
13286 * tree-dfa.c (dump_variable): If details is on, dump the reason
13288 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13290 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13291 (struct var_ann_d): Ditto.
13292 (enum escape_type): New.
13293 (mark_call_clobbered): Adjust prototype.
13294 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13295 are never call clobbered.
13296 Record reasons for escaping.
13297 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13298 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13299 (ssa_ro_call_cache_valid): Ditto.
13300 (clobbered_v_may_defs): Ditto.
13301 (clobbered_vuses): Ditto.
13302 (ro_call_vuses): Ditto.
13303 (clobber_stats): New.
13304 (init_ssa_operands): Zero out clobber stats.
13305 (fini_ssa_operands): Print out clobber stats.
13306 (get_call_expr_operands): Pass callee fndecl to
13307 add_call_read_ops).
13308 (add_call_clobber_ops): Remove use of cache.
13309 Add use of PURE_CONST information.
13310 (add_call_read_ops): Remove use of cache.
13311 Add use of static not_read information.
13313 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13315 Introduce TLS descriptors for i386 and x86_64.
13316 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13317 (TARGET_ANY_GNU_TLS): New macro.
13318 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13319 (struct machine_function): Add tls_descriptor_call_expanded_p.
13320 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13321 (ix86_current_function_calls_tls_descriptor): Likewise.
13322 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13323 (override_options): Introduce gnu2 tls dialect.
13324 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13326 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13328 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13329 (ix86_init_machine_status): Initialize new field.
13330 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13331 (ix86_tls_module_base): New.
13332 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13333 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13334 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13335 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13336 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13337 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13338 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13339 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13340 * config/i386/predicates.md (tls_modbase_operand): New.
13341 (tp_or_register_operand): New.
13343 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13345 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13346 (look_for_address_of): Ditto.
13347 (ipa_init): Walk the function decls.
13348 (static_execute): Don't set readonly on FUNCTION_DECL's.
13350 2006-01-18 Roger Sayle <roger@eyesopen.com>
13352 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13353 for shifts where the source and destination registers are different.
13355 2006-01-18 Paul Brook <paul@codesourcery.com>
13357 Merge from csl-arm-branch.
13358 2005-03-14 Julian Brown <julian@codesourcery.com>
13359 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13360 (aeabi_llsl): Likewise.
13361 (ashrdi3): Likewise.
13362 (aeabi_lasr): Likewise.
13363 (lshrdi3): Likewise.
13364 (aeabi_llsr): Likewise.
13365 2005-03-10 Julian Brown <julian@codesourcery.com>
13366 * config.gcc: Disable shared libgcc for SymbianOS.
13367 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13369 2006-01-18 DJ Delorie <dj@redhat.com>
13371 * c-pragma.c (handle_pragma_diagnostic): New.
13372 (init_pragma): Register it.
13373 * doc/extend.texi: Document it.
13375 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13376 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13377 (diagnostic_context): Add classify_diagnostic[].
13378 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13379 as errors if they're overridden to DK_WARNING.
13380 (diagnostic_initialize): Initialize classify_diagnostic[].
13381 (diagnostic_set_kind_override): New.
13382 (diagnostic_report_diagnostic): Check for kind changes.
13383 * opts.c (common_handle_option): Take lang_mask. Update callers.
13384 Handle OPT_Werror_.
13385 * common.opt (Werror=): New.
13386 * doc/invoke.texi: Document -Werror=*
13388 2006-01-18 Jeff Law <law@redhat.com>
13390 * tree-vrp.c (test_for_singularity): Correct test for new
13391 min limit. Use operand_equal_p rather than pointer equality
13392 for testing if new min/max values are equal.
13394 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13395 using range information until after propagation and folding.
13397 2006-01-18 Richard Henderson <rth@redhat.com>
13398 Aldy Hernandez <aldyh@redhat.com>
13399 Jakub Jelinek <jakub@redhat.com>
13400 Diego Novillo <dnovillo@redhat.com>
13402 * omp-low.c: New file.
13403 * c-omp.c: New file.
13405 2006-01-18 Richard Henderson <rth@redhat.com>
13406 Jakub Jelinek <jakub@redhat.com>
13407 Diego Novillo <dnovillo@redhat.com>
13409 * doc/invoke.texi: Document -fopenmp.
13410 * tree-dump.h (debug_function): Declare.
13411 * hooks.c (hook_bool_tree_bool_false): New function.
13412 (hook_tree_tree_null): Remove.
13413 (hook_tree_tree_tree_null): New.
13414 * hooks.h: Update to match.
13415 * tree-pretty-print.c (debug_tree_chain): New.
13416 (print_generic_expr): Handle TDF_CHAIN.
13417 (dump_generic_node): Handle BLOCK.
13418 Do not abort with incomplete SWITCH_EXPRs.
13419 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13420 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13421 print space after directive name.
13422 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13423 Handle OMP_MASTER and OMP_ORDERED.
13424 Handle printing of OMP_BODY just in one place, goto
13425 dump_omp_body in the rest of OMP_* nodes that have
13427 Don't handle clause nodes here. Update omp statements to
13428 use dump_omp_clauses.
13429 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13430 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13431 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13432 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13433 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13434 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13435 Adjust output for GOMP_PARALLEL.
13436 (dump_omp_clauses): New.
13437 (print_declaration): Dump DECL_VALUE_EXPR.
13438 (op_symbol_1): Split out of op_symbol.
13439 (dumping_stmts): Remove. Update all users.
13440 * cgraph.c (cgraph_analyze_queue): New.
13441 (cgraph_add_new_function): New.
13442 * cgraph.h (cgraph_analyze_queue): Declare.
13443 (cgraph_add_new_function): Declare.
13444 (cgraph_lower_function): Remove.
13445 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13446 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13447 and TYPE_P nodes in its default clause.
13448 (empty_body_p): New.
13449 (tree_range_check_failed): New.
13450 (build5_stat): New.
13451 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13452 OMP_CLAUSE_REDUCTION_MERGE,
13453 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13454 OMP_CLAUSE_PRIVATE_DEBUG,
13455 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13456 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13457 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13458 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13459 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13460 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13461 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13462 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13463 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13464 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13465 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13466 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13467 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13468 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13469 (TREE_RANGE_CHECK): New.
13470 (empty_body_p): Declare.
13471 (enum omp_clause_default_kind): New.
13472 (build_string_literal): Declare.
13473 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13474 (build5_stat, build5): Declare.
13475 * tree-pass.h (TDF_CHAIN): Define.
13476 * tree-pass.h (PROP_gimple_lomp): Define.
13477 (pass_lower_omp): Declare.
13478 * diagnostic.h (debug_tree_chain): Declare.
13479 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13481 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13482 * builtins.c (build_string_literal): Make extern.
13483 * gcc.c (include_spec_function): New.
13484 (static_spec_functions): Add it.
13485 (main): Move load of libgomp.spec ...
13486 (LINK_COMMAND_SPEC): ... here.
13487 (link_gomp_spec): New.
13488 (static_specs): Include it.
13489 (LINK_COMMAND_SPEC): Add link_gomp.
13490 (GOMP_SELF_SPECS): New.
13491 (driver_self_specs): Include it.
13492 (switch_matches): Don't mark inline.
13493 (main): Load libgomp.spec.
13494 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13495 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13496 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13497 * tree-gimple.h (enum omp_parallel): Declare.
13498 (determine_parallel_type): Declare.
13499 (omp_firstprivatize_variable): Declare.
13500 (omp_reduction_init): Declare.
13501 (diagnose_omp_structured_block_errors): Declare.
13502 (struct walk_stmt_info): Add want_return_expr.
13503 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13504 (find_omp_clause): Declare.
13505 (insert_field_into_struct): Declare.
13506 (struct walk_stmt_info): Move from tree-nested.c
13507 (walk_stmts): Declare.
13508 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13510 * cgraphunit.c (cgraph_lower_function): Make static.
13511 (cgraph_finalize_pending_functions): New.
13512 (cgraph_finalize_function): Call it.
13513 (cgraph_finalize_compilation_unit): Likewise.
13514 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13515 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13516 (BT_FN_UINT_UINT): New.
13517 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13518 DEF_FUNCTION_TYPE_VAR_4): Document.
13519 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13520 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13521 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13522 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13523 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13524 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13525 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13526 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13527 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13528 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13529 into separate files.
13530 (DEF_GOMP_BUILTIN): New.
13531 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13532 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13533 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13534 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13535 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13536 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13537 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13538 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13539 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13540 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13541 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13542 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13543 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13544 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13545 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13546 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13547 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13548 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13549 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13550 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13551 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13552 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13553 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13554 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13555 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13556 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13557 * sync-builtins.def: New file, moved from builtins.def.
13558 * omp-builtins.def: New file, moved from builtins.def.
13559 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13560 * gimple-low.c (lower_function_body): Clear data.
13561 (lower_stmt): Do not handle COMPOUND_EXPR.
13562 Remove call to print_node_brief.
13563 * c-tree.h (c_finish_omp_clauses): New prototype.
13564 (C_DECL_THREADPRIVATE_P): Define.
13565 (lookup_name_no_remap, c_omp_remap_private): Remove
13566 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13567 (check_for_loop_decls): Update decl.
13568 (lookup_name_no_remap, c_omp_remap_private): Declare.
13569 (build_indirect_ref, build_modify_expr, pushdecl,
13570 pushdecl_top_level): Move to c-common.h.
13571 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13572 before the switch, but just in the 2 places that need it.
13573 * c-decl.c (diagnose_mismatched_decls): Do not check for
13574 mismatched thread-local attributes when OLDDECL is marked
13575 threadprivate and NEWDECL has no thread-local attributes.
13576 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13577 (c_gimple_diagnostics_recursively): Rename from
13578 c_warn_unused_result_recursively. Invoke
13579 diagnose_omp_structured_block_errors.
13580 (check_for_loop_decls): Return a singular decl found.
13581 * langhooks.c (lhd_omp_predetermined_sharing): Return
13582 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13583 (lhd_omp_firstprivatize_type_sizes): New.
13584 (lhd_omp_assignment): New.
13585 (lhd_omp_predetermined_sharing): New.
13586 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13587 (struct lang_hooks_for_types): Add
13588 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13589 omp_predetermined_sharing, omp_disregard_value_expr,
13590 omp_private_debug_clause, omp_clause_default_ctor,
13591 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13592 (c_finish_omp_clauses): New.
13593 (c_finish_bc_stmt): Diagnose break within omp for.
13594 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13595 (build_unary_op): Return error_mark after reporting
13597 (build_modify_expr): Likewise.
13598 * gimplify.c: Include optabs.h and pointer-set.h.
13599 (enum gimplify_omp_var_data): Declare.
13600 (struct gimplify_omp_ctx): Declare.
13601 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13603 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13604 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13605 (splay_tree_compare_decl_uid): New.
13606 (new_omp_context): New.
13607 (delete_omp_context): New.
13608 (gimple_add_tmp_var): Call omp_add_variable.
13609 (gimplify_bind_expr): Likewise.
13610 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13611 true, disregard DECL_VALUE_EXPR on the decl if any.
13612 (gimplify_expr_in_ctx): New.
13613 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13614 omp_add_variable, omp_notice_variable, omp_is_private
13615 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13616 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13617 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13618 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13619 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13620 gimplify_omp_atomic): New.
13621 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13622 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13623 OMP_CRITICAL and OMP_ATOMIC.
13624 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13625 * c-pragma.h (enum pragma_kind): Add
13626 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13627 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13628 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13629 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13630 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13631 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13632 PRAGMA_OMP_THREADPRIVATE.
13633 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13634 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13635 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13636 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13637 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13638 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13639 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13640 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13641 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13642 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13643 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13644 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13645 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13647 (struct nesting_info): Add field_map,
13648 suppress_expansion, debug_var_chain.
13649 (create_nesting_tree): Initialize them.
13650 (lookup_field_for_decl): Use field_map.
13651 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13652 (convert_local_omp_clauses): New.
13653 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13654 (walk_body): Split out of walk_function.
13655 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13656 (convert_nonlocal_reference): Handle omp statements.
13657 (convert_local_reference): Likewise.
13658 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13659 (unnest_nesting_tree): New.
13660 (lower_nested_functions): Call it.
13661 (insert_field_into_struct): Make extern.
13662 (struct walk_stmt_info): Move to tree-gimple.h.
13663 (walk_stmts): Make extern.
13664 * omp-builtins.def: New file.
13665 * tree-iterator.c (expr_only): Clarify comment.
13666 * c-common.h (pushdecl_top_level, pushdecl,
13667 build_modify_expr, build_indirect_ref,
13668 c_finish_omp_master, c_finish_omp_critical,
13669 c_finish_omp_ordered, c_finish_omp_barrier,
13670 c_finish_omp_atomic, c_finish_omp_flush,
13671 c_finish_omp_for, c_split_parallel_clauses,
13672 omp_clause_default_kind, c_omp_sharing_predetermined,
13673 c_omp_remap_decl): Declare.
13674 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13675 (OBJS-common): Add omp-low.o.
13676 (c-omp.o, omp-low.o): Add.
13677 (gimplify.o): Add dependency on $(OPTABS_H).
13678 (GTFILES): Add omp-low.c.
13679 (gt-stringpool.h): Add.
13680 * tree-cfg.c (set_bb_for_stmt): Do not update the
13681 block-to-labels map if we are currently expanding to RTL.
13682 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13684 Handle IDENTIFIER_NODE.
13685 (tree_verify_flow_info): Do not ICE when emitting error
13686 messages about invalid labels.
13687 (dump_function_to_file): Reset CFUN before emitting the body
13689 (debug_function): New.
13690 * passes.c (init_optimization_passes): Schedule
13692 * langhooks-def.h (lhd_omp_predetermined_sharing,
13693 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13695 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13696 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13697 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13698 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13699 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13700 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13701 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13702 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13703 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13704 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13705 (LANG_HOOK_DECLS): Use them.
13707 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13708 Richard Henderson <rth@redhat.com>
13709 Jakub Jelinek <jakub@redhat.com>
13710 Diego Novillo <dnovillo@redhat.com>
13712 * c-parser.c (pragma_omp_clause): Define.
13713 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13714 (c_parser_compound_statement): Likewise.
13715 (c_parser_statement): Likewise.
13716 (c_parser_pragma): Handle omp pragmas.
13717 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13718 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13719 (c_parser_omp_clause_name, check_no_duplicate_clause,
13720 c_parser_omp_variable_list,
13721 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13722 c_parser_omp_clause_copyprivate,
13723 c_parser_omp_clause_default,
13724 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13725 c_parser_omp_clause_lastprivate,
13726 c_parser_omp_clause_nowait,
13727 c_parser_omp_clause_num_threads,
13728 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13729 c_parser_omp_clause_reduction,
13730 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13731 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13732 c_parser_omp_atomic, c_parser_omp_barrier,
13733 c_parser_omp_critical, c_parser_omp_flush,
13734 c_parser_omp_for_loop, c_parser_omp_for,
13735 c_parser_omp_master, c_parser_omp_ordered,
13736 c_parser_omp_sections_scope, c_parser_omp_sections,
13737 c_parser_omp_parallel, c_parser_omp_single,
13738 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13739 * c-pragma.c (init_pragma): Do omp pragma registration here.
13740 * c.opt (fopenmp): New flag.
13742 2006-01-18 Eric Christopher <echristo@apple.com>
13744 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13745 * config/darwin.h (GOMP_SELF_SPECS): Define.
13747 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13749 * rtl.h: Remove the prototype for reg_alloc.
13751 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13754 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13755 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13756 sjlj and dwarf2 exception handling.
13757 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13758 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13759 * pa/pa.c (function_value): Treat complex and vector types as
13761 (function_arg): Likewise. Only pass scalar floats in the floating
13762 point argument registers.
13763 * pa/t-slibgcc-dwarf-ver: New file.
13764 * pa/t-slibgcc-sjlj-ver: New file.
13765 * pa/t-slibgcc-elf-ver: Delete file.
13767 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13769 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13770 unlikely_test_section_p test.
13772 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13774 * mode-switching.c (optimize_mode_switching): Make it static.
13775 * basic-block.h: Remove the prototype for
13776 optimize_mode_switching.
13778 * modulo-sched.c (sms_schedule): Make it static.
13779 * rtl.h: Remove the prototype for sms_schedule.
13781 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13782 * rtl.h: Remove the prototype for gcse_after_reload_main.
13784 * reg-stack.c (reg_to_stack): Make it static.
13785 * rtl.h: Remove the prototype for reg_to_stack.
13787 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13789 * rtl.h: Remove the prototypes for regrename_optimize and
13790 copyprop_hardreg_forward.
13792 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13794 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13795 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13796 Test against the appropriate null constant for the mode.
13797 If 'fixup_overlap' is true, swap the operands if they overlap.
13798 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13799 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13800 alpha_split_tmode_pair and adjust for above change.
13801 * config/alpha/alpha.md (movtf_internal): Adjust call to
13802 alpha_split_tfmode_pair and rely on it to swap the operands.
13803 (movti_internal): New insn and post-reload splitter.
13804 (movti): New expander.
13806 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13808 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13811 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13813 * rtlanal.c (global_reg_mentioned_p_1,
13814 global_reg_mentioned_p): Remove.
13815 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13817 * flow.c (initialize_uninitialized_subregs): Make it static.
13818 * rtl.h: Remove the prototype for
13819 initialize_uninitialized_subregs.
13821 * function.c (instantiate_virtual_regs): Make it static.
13822 * function.h: Remove the prototype for
13823 instantiate_virtual_regs.
13825 * regmove.c (regmove_optimize, combine_stack_adjustments):
13827 * rtl.h: Remove the prototypes for regmove_optimize and
13828 combine_stack_adjustments.
13830 2006-01-17 Roger Sayle <roger@eyesopen.com>
13832 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13833 (size_cost): Encode costs in bytes so that a reg-reg addition is
13834 equivalent to COSTS_N_INSNS(1).
13835 (override_options): Use the size_cost.branch_cost as the default
13836 ix86_branch_cost when optimizing for size.
13838 2006-01-18 Ben Elliston <bje@au.ibm.com>
13840 * Makefile.in (D32PBIT_FUNCS): New.
13841 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13842 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13843 D64PBIT_FUNCS and D128PBIT_FUNCS.
13844 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13845 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13847 (decnumber_dep): Define.
13848 * doc/libgcc.texi (Decimal float library routines): New node.
13849 * config/dfp-bit.h, config/dfp-bit.c: New files.
13851 2006-01-18 Ben Elliston <bje@au.ibm.com>
13853 * expr.c (emit_move_change_mode): Always adjust addresses, not
13854 just during reload. Copy replacements only during reload.
13855 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13856 emit_move_via_integer.
13858 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13860 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13861 instead of $(srcdir) and ${srcdir}.
13863 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13866 PR middle-end/11135
13867 * arm.h (struct machine_function): Add pic_reg.
13868 * arm.c (arm_pic_register): Make unsigned.
13869 (arm_override_options): Only set arm_pic_register if
13870 TARGET_SINGLE_PIC_BASE.
13871 (use_return_insn): Only test for a pic register if it is fixed.
13872 (arm_compute_save_reg0_reg12_mask): Likewise.
13873 (thumb_compute_save_reg_mask): Likewise.
13874 (legitimate_pic_operand): Factor out some known invariants.
13875 (legitimize_pic_address): If we don't have a fixed pic register,
13876 then set up a pseudo in the function entry sequence. Handle the
13877 pic base being in a pseudo.
13878 (arm_load_pic_register): Handle the pic register being in a pseudo.
13879 (arm_expand_prologue): Only set up the pic register if it is fixed.
13880 (thumb_expand_prologue): Likewise.
13881 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13882 (pic_load_addr_based_insn): Likewise.
13883 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13886 2006-01-18 Ben Elliston <bje@au.ibm.com>
13888 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13889 decimal float modes for all floating point registers.
13891 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13892 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13894 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13897 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13898 even when the pointer is not NULL.
13900 2006-01-16 Ian Lance Taylor <ian@airs.com>
13902 * common.opt (ftoplevel-reorder): New option.
13903 * cgraph.c (cgraph_asm_nodes): New global variable.
13904 (cgraph_asm_last_node): New static variable.
13905 (cgraph_order): New global variable.
13906 (cgraph_create_node): Set new order field.
13907 (cgraph_varpool_node): Likewise.
13908 (decide_is_variable_needed): Return true if not
13909 flag_toplevel_reorder.
13910 (cgraph_add_asm_node): New function.
13911 * cgraph.h (struct cgraph_node): Add order field.
13912 (struct cgraph_varpool_node): Add order field.
13913 (struct cgraph_asm_node): Define.
13914 (cgraph_asm_nodes, cgraph_order): Declare.
13915 (cgraph_add_asm_node): Declare.
13916 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13918 (cgraph_varpool_assemble_pending_decls): Call it.
13919 (cgraph_output_pending_asms): New static function.
13920 (cgraph_finalize_compilation_unit): Call it.
13921 (struct cgraph_order_sort): Define.
13922 (cgraph_output_in_order): New static function.
13923 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13924 !flag_toplevel_reorder case.
13925 * c-parser.c: Include "cgraph.h".
13926 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13928 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13929 than -fno-unit-at-a-time.
13930 * doc/invoke.texi (Option Summary): Mention
13931 -fno-toplevel-reorder.
13932 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13933 -funit-at-a-time documentation.
13935 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13936 Kazu Hirata <kazu@codesourcery.com>
13938 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13940 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13942 * Makefile.in (FUNCTION_H): New. Use it instead of
13943 function.h throughout the file.
13944 * function.h: Include tree.h.
13946 2006-01-17 Ben Elliston <bje@au.ibm.com>
13948 * recog.c: Separate some functions with whitespace.
13950 2006-01-16 Richard Henderson <rth@redhat.com>
13952 Merge from gomp branch:
13953 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13954 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13955 and rename from struct inline_data. Rename callee* to dst*;
13956 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13957 transform_new_cfg, transform_return_to_modify, and
13958 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13960 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13961 (copy_decl_for_dup): Remove.
13962 * tree-inline.c (struct inline_data): Move to header.
13963 (insert_decl_map): Export.
13964 (remap_decl): Update for member name changes. Use copy_decl hook.
13965 Allow for replacement to be a non-decl. Remove dead code.
13966 (remap_type_1): Check for existing mapping.
13967 (remap_type): Export.
13968 (remap_decls): Update for member name changes.
13969 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13970 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13971 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13972 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13973 (tree_function_versioning, build_duplicate_type): Likewise.
13974 (copy_body_r): Likewise. Export.
13975 (copy_decl_for_dup): Split into ...
13976 (copy_decl_for_dup_finish, copy_decl_to_var,
13977 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13978 (replace_ref_tree, inlining_p): Remove.
13980 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13982 * ifcvt.c (if_convert): Make it static.
13983 * rtl.h: Remove the prototype for if_convert.
13985 * local-alloc.c (local_alloc): Make it static.
13986 * rtl.h: Remove the prototype for local_alloc.
13988 * loop.c (loop_optimize): Make it static.
13989 * cfgloop.h: Remove the prototype for loop_optimize.
13992 2006-01-16 DJ Delorie <dj@redhat.com>
13994 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13997 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13999 * pa.md: Disparage copies between general and floating-point registers
14000 in 32-bit move patterns.
14002 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14005 * Makefile.in (check-%): Depend on site.exp instead of
14006 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14009 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14011 * global.c (global_alloc): Make it static.
14012 * rtl.h: Remove the prototype for global_alloc.
14014 2006-01-16 Richard Guenther <rguenther@suse.de>
14016 * tree-ssa-alias.c (struct used_part): Add write_only field.
14017 (get_or_create_used_part_for): Initialize it to true.
14018 (create_overlap_variables_for): Don't create structure variables
14019 for structures that only are written to.
14020 (find_used_portions): Handle MODIFY_EXPR to track whether a
14021 structure is only written to.
14023 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14025 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14027 * basic-block.h: Remove the prototype for
14028 partition_hot_cold_basic_blocks.
14030 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14032 * cppspec.c (lang_specific_spec_functions): Remove.
14033 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14034 * gcc.h (lang_specific_spec_functions): Remove.
14035 * gccspec.c (lang_specific_spec_functions): Remove.
14037 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14039 * combine.c (record_value_for_reg): Invalidate registers
14041 (record_dead_and_set_regs_1): Likewise, by passing them to
14042 record_value_for_reg.
14043 (record_dead_and_set_regs): Invalidate stores made by a
14044 call. We do not combine across a call, but we still
14045 relied on equivalences.
14047 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14049 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14050 vrp_int_const_binop returning non-constant nodes.
14052 2006-01-16 Paul Brook <paul@codesourcery.com>
14054 * config/m68k/m68k.c (output_move_const_into_data_reg):
14055 Output correct mnemonic for mvz and mvs.
14057 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14059 * rtl-factoring.c: Add sequence abstraction algorithm.
14060 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14061 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14063 (block_has_preserve_label): New function.
14064 * common.opt: Register new pass.
14065 * Makefile.in: Ditto.
14067 * timevar.def: Ditto.
14068 * tree-pass.h: Ditto.
14069 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14070 * rtl.h (make_jump_insn_raw): Add forward decl.
14071 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14073 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14074 Roger Sayle <roger@eyesopen.com>
14076 * fold-const.c (fold_minmax): New static function.
14077 (fold_binary) <MIN_EXPR>: Call it.
14078 <MAX_EXPR>: Likewise.
14079 * stor-layout.c (place_field): Use DECL_SIZE consistently
14080 in the computation of the new record size.
14082 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14084 * cse.c (cse_condition_code_reg): Make it static.
14085 * rtl.h: Remove the prototype for cse_condition_code_reg.
14087 * combine.c (combine_instructions): Make it static.
14088 * rtl.h: Remove the prototype for combine_instructions.
14090 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14093 * tree.c (get_file_function_name_long): Concatenate the first global
14094 object name with a string derived from the input filename of the object
14097 2006-01-16 Ben Elliston <bje@au.ibm.com>
14099 * config/i386/winnt-stubs.c: Update FSF address.
14100 * config/xtensa/ieee754-df.S: Ditto.
14101 * config/xtensa/ieee754-sf.S: Ditto.
14103 2006-01-14 Ian Lance Taylor <ian@airs.com>
14105 * ifcvt.c (noce_init_if_info): New static function, broken out of
14106 noce_process_if_block.
14107 (noce_process_if_block): Call noce_init_if_info.
14108 (check_cond_move_block): New static function.
14109 (cond_move_process_if_block): New static function.
14110 (process_if_block): Call cond_move_process_if_block.
14112 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14114 * cselib.c (hash_table): Rename to cselib_hash_table.
14115 (cselib_clear_table, discard_useless_values,
14116 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14117 cselib_init, cselib_finish): Adjust uses of hash_table.
14119 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14121 PR tree-optimization/25485
14122 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14123 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14124 is known to be false and true, respectively.
14126 2006-01-14 Richard Guenther <rguenther@suse.de>
14128 PR tree-optimization/22548
14129 PR tree-optimization/22555
14130 PR tree-optimization/22501
14131 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14132 * params.def (salias-max-array-elements): New parameter.
14133 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14134 * doc/invoke.texi (salias-max-array-elements): Document.
14135 * tree-flow-inline.h (var_can_have_subvars): We also handle
14137 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14139 * tree-ssa-structalias.c (params.h): Include.
14140 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14141 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14142 (get_constraint_for): For ADDR_EXPR operating on something
14143 containing an ARRAY_REF, add all subvars to the solution.
14144 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14145 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14146 for creating MUST_DEFs.
14147 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14149 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14151 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14153 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14154 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14155 number_of_iterations_le): New functions.
14156 (number_of_iterations_special): Removed.
14157 (number_of_iterations_exit): Do not use number_of_iterations_special.
14158 * tree.c (unsigned_type_for): Always return integer type.
14160 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14161 Richard Guenther <rguenther@suse.de>
14163 PR rtl-optimization/24257
14164 * gcse.c (find_moveable_store): Only consider a store movable
14165 when the SET_SRC of the insn can be assigned to a register.
14167 2006-01-14 Ian Lance Taylor <ian@airs.com>
14169 * tree.c (tree_not_class_check_failed): New function.
14170 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14171 (tree_not_class_check_failed): Declare.
14173 2006-01-13 Ian Lance Taylor <ian@airs.com>
14175 * reload1.c (do_output_reload): Add assertion rejecting a
14178 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14180 * combine.c (struct reg_stat): Add new fields truncation_label and
14182 (record_value_for_reg): Reset truncated_to_mode.
14183 (record_truncated_value): New function.
14184 (check_promoted_subreg): Call it. Rename to check_conversions.
14185 (combine_instructions): Rename check_promoted_subreg to
14187 (reg_truncated_to_mode): New function.
14188 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14189 (gen_lowpart_or_truncate): New function.
14190 (force_to_mode): Use it instead of gen_lowpart.
14192 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14194 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14195 VAR is a tag, not its type tag.
14197 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14199 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14200 alternatives to match style of other entries.
14201 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14203 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14205 PR tree-optimization/25771
14206 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14209 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14212 * tree-inline.c (declare_return_variable): If the return variable
14213 was marked as a non gimple complex, set the return slot variable
14214 to be a non gimple comple variable.
14216 2006-01-13 Richard Guenther <rguenther@suse.de>
14218 * builtins.c (expand_builtin_sincos): New function.
14219 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14221 (expand_builtin): Expand sincos using expand_builtin_sincos.
14223 2006-01-12 DJ Delorie <dj@redhat.com>
14225 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14226 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14227 so that constant shifts can be split.
14228 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14229 (m32c_valid_pointer_mode): Make static.
14230 (shift_gen_func_for): New.
14231 (m32c_prepare_shift): Use it. Split large const shifts into
14233 * config/m32c/predicates.md (shiftcount_operand): Allow more
14235 (longshiftcount_operand): New.
14236 * doc/md.texi (Machine Constraints): Document In6.
14238 2006-01-13 Ben Elliston <bje@au.ibm.com>
14240 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14241 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14244 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14246 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14247 to try to avoid clobbering pieces of structures when we know
14248 something about the whole structure.
14249 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14251 2006-01-13 Ben Elliston <bje@au.ibm.com>
14253 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14254 return in memory, as this is no limitation is no longer present.
14256 2006-01-12 DJ Delorie <dj@redhat.com>
14258 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14259 mova with fb, and for fb+0 -> An.
14261 * config/m32c/mov.md (peephole2): Fix enabling logic.
14263 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14264 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14265 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14266 FINI_ARRAY_SECTION_ASM_OP): Define.
14268 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14270 (m32c_legitimize_reload_address): New logic to reload FB to An.
14271 (m32c_output_reg_push): Add newline.
14272 (m32c_output_reg_pop): Likewise.
14274 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14276 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14278 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14280 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14282 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14284 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14287 2006-01-11 Ben Elliston <bje@au.ibm.com>
14289 * rtlanal.c (find_reg_note): Assert insn is not null.
14291 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14293 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14296 2006-01-11 Jeff Law <law@redhat.com>
14298 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14300 (mark_threaded_blocks, register_jump_thread): New functions.
14301 (thread_through_all_blocks): Remove unwanted argument. No
14302 longer rely on e->aux to communicate thread target info.
14303 Call mark_threaded_blocks. Release the threaded_blocks
14304 bitmap and threaded_edges vector when complete.
14305 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14306 (threaded_blocks): Remove.
14307 (tree_ssa_dominator_optimize): Remove initialization and
14308 finalization of threaded_blocks. Simplify call to
14309 thread_through_all_blocks.
14310 (thread_across_edge): Call register_jump_thread rather than
14311 storing thread information into e->aux.
14312 (free_all_edge_infos): Simplify now that e->aux is no longer
14313 used to communicate with thread_through_all_blocks.
14314 * tree-flow.h (thread_through_all_blocks): Update prototype.
14315 (register_jump_thread): Prototype.
14317 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14319 * df-core.c (df_compact_blocks, df_bb_replace): Use
14320 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14322 2006-01-11 Richard Guenther <rguenther@suse.de>
14324 PR tree-optimization/25734
14325 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14326 stop propagation after successful propagation to the LHS.
14328 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14330 * basic-block.h (control_flow_graph): Change the type of
14331 x_basic_block_info to VEC(basic_block,gc) *.
14332 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14334 (SET_BASIC_BLOCK): New.
14335 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14336 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14337 * cfgbuild.c (find_basic_blocks): Likewise.
14338 * cfglayout.c (fixup_reorder_chain): Likewise.
14339 * cfgrtl.c (create_basic_block_structure,
14340 rtl_create_basic_block): Likewise.
14341 * ifcvt.c (find_if_case_1): Likewise.
14342 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14345 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14347 * Makefile.in: Removed rotted odf.c entry.
14349 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14352 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14353 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14354 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14355 output pattern modifier, not %e.
14356 * config/cris/cris.c (cris_op_str): Update comment about pattern
14358 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14359 before falling through into...
14360 <case 'E'>: Redefined from old 'e' case.
14362 2006-01-11 Jan Hubicka <jh@suse.cz>
14365 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14367 2006-01-11 Jan Hubicka <jh@suse.cz>
14369 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14370 * i386.c (x86_decompose_lea): Kill.
14371 (ix86_rtx_costs): Kill.
14373 2006-01-11 Jan Hubicka <jh@suse.cz>
14375 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14376 * cgraph.h (cgraph_node): Add inline_decl.
14377 (cgraph_insert_node_to_hashtable): Declare.
14378 (save_inline_function_body): Declare.
14379 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14381 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14382 (cgraph_function_versioning): Update call of tree_function_versioning.
14383 (save_inline_function_body): New function.
14384 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14385 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14386 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14387 (cgraph_default_inline_p): Likewise.
14388 (cgraph_decide_inlining_incrementally): Likewise.
14389 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14390 (copy_bb): Kill saving; do updating of clones.
14391 (copy_cfg_body): Kill saving.
14392 (initialize_inlined-parameters): Likewise.
14393 (expand_call_inline): Likewise.
14395 (tree_function_versioning): New parameter "update_clones".
14396 (inlining_p): Kill saving.
14397 * tree-inline.h (tree_function_versioning): Update prototype.
14398 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14401 2006-01-11 Ian Lance Taylor <ian@airs.com>
14403 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14404 Allow undoing set of machine mode.
14405 (do_SUBST): Use enums instead of is_int.
14406 (do_SUBST_MODE): New function.
14407 (SUBST_MODE): New macro.
14408 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14409 reg and trying to replace reg_regno_rtx with a new register.
14410 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14411 (simplify_set): Use SUBST_MODE.
14412 (distribute_notes): Remove code that tried to update reg notes
14413 for regno_reg_rtx changes.
14415 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14417 PR tree-optimization/23109
14418 PR tree-optimization/23948
14419 PR tree-optimization/24123
14421 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14422 * tree-cfg.c (single_noncomplex_succ): New.
14423 * tree-flow.h (single_noncomplex_succ): Declare it.
14424 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14425 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14426 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14427 insert_bb, register_division_in, insert_reciprocals,
14428 replace_reciprocal, free_bb): New.
14429 (execute_cse_reciprocals_1): Rewritten.
14430 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14431 Do not commit any edge insertion. Always compute dominators and
14432 create the allocation pool.
14433 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14434 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14435 * targhooks.c (default_min_divistions_for_recip_mul): New.
14436 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14437 * passes.c (init_optimization_passes): Run recip after tree loop
14439 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14441 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14442 Kenneth Zadeck <zadeck@naturalbridge.com>
14444 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14445 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14446 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14447 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14448 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14449 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14450 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14451 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14452 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14453 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14454 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14455 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14456 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14457 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14458 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14459 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14460 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14461 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14462 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14463 DF_SCAN_POST_ALLOC): New macros.
14464 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14465 df_free_bb_function, df_local_compute_function, df_init_function,
14466 df_dataflow_function, df_confluence_function_0,
14467 df_confluence_function_n, df_transfer_function,
14468 df_finalizer_function, df_free_function, df_dump_problem_function,
14469 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14470 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14471 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14472 df_urec_bb_info, ) New types.
14473 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14475 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14476 df_analyze_simple_change_some_blocks,
14477 df_analyze_simple_change_one_block, df_compact_blocks,
14478 df_bb_replace, df_bb_regno_last_use_find,
14479 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14480 df_insn_regno_def_p, df_find_def, df_find_use,
14481 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14482 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14483 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14484 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14485 debug_df_chain, df_get_dependent_problem, df_chain_create,
14486 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14487 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14488 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14489 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14490 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14491 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14492 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14493 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14494 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14495 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14496 df_reorganize_refs, df_set_state, df_hard_reg_init,
14497 df_read_modify_subreg_p) New public functions.
14498 * df-core.c: The core dataflow solver and glue routines for rtl
14500 (df_init, df_add_problem, df_set_blocks, df_finish,
14501 df_hybrid_search_forward, df_hybrid_search_backward,
14502 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14503 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14504 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14505 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14506 df_reg_defined, df_find_use, df_reg_used, df_dump,
14507 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14508 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14509 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14510 debug_df_useno, reset_df_after_reload): New functions.
14511 * df-scan.c: The scanning fuctions, once in df.c, completely
14512 rewritten so that they now fully model the functionality of
14513 register usage at the backend.
14514 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14515 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14516 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14517 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14518 df_get_artificial_defs, df_get_artificial_uses,
14519 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14520 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14521 df_refs_delete, df_reorganize_refs, df_set_state,
14522 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14523 df_def_record_1, df_defs_record, df_uses_record,
14524 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14525 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14526 df_record_exit_block_uses, df_hard_reg_init): New functions.
14528 * df-problems.c: Seven concrete dataflow problems that use the
14529 scanning in df-scan.c and are solved by the engine in df-core.c.
14530 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14531 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14532 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14533 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14534 df_ru_free_bb_info, df_ru_alloc,
14535 df_ru_bb_local_compute_process_def,
14536 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14537 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14538 df_ru_transfer_function, df_ru_free, df_ru_dump,
14539 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14540 df_rd_free_bb_info, df_rd_alloc,
14541 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14542 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14543 df_rd_transfer_function, df_rd_free, df_rd_dump,
14544 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14545 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14546 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14547 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14548 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14549 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14550 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14551 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14552 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14553 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14554 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14555 df_urec_mark_reg_use_for_earlyclobber,
14556 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14557 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14558 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14559 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14560 df_chain_create_bb_process_use, df_chain_create_bb,
14561 df_chain_finalize, df_chain_free, df_chains_dump,
14562 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14563 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14564 df_reg_lifetime): New functions.
14565 * df.c: Deleted file.
14566 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14567 consistent with new df api.
14568 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14569 rest_of_handle_sms): Ditto.
14570 * web.c (unionfind_union, union_defs, entry_register, web_main):
14572 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14573 invariant_expr_equal_p, find_defs, check_dependencies,
14574 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14575 free_inv_motion_data, move_loop_invariants): Ditto.
14576 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14577 Update dependencies.
14578 (odf.c): Added defective entry that was deleted later in day.
14579 * sched-deps.c (sched_analyze_1): Ditto.
14581 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14583 * tree-ssa-operands.c (get_expr_operands): Record addressable
14584 variables directly. Do not call add_stmt_operands for CONST_DECLs
14586 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14587 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14589 2006-01-11 Ben Elliston <bje@au.ibm.com>
14591 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14592 function returns true in the positive case.
14594 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14597 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14598 for SI, DI, SF and DF modes. Add alternatives to copy between
14599 general and floating point registers to the 32-bit patterns.
14600 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14601 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14602 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14603 generating 64-bit code.
14604 * config/pa/pa.c (output_move_double): Handle copies between general
14605 and floating registers.
14607 2006-01-10 Stuart Hastings <stuart@apple.com>
14609 * config/i386/i386.md (set_got): Update.
14610 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14611 (builtin_setjmp_receiver): Mach-O support.
14612 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14613 (GOT_SYMBOL_NAME): Define.
14614 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14615 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14616 * config/i386/i386.c (override_options): Revise for Darwin.
14617 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14618 support. (darwin_x86_file_end): New. (output_set_got): Add label
14619 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14620 * config/i386/i386-protos.h (output_set_got): Likewise.
14621 * config/darwin.c (machopic_legitimize_pic_address): Update
14624 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14626 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14627 when MODE isn't BLKmode.
14629 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14631 PR rtl-optimization/25367
14632 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14634 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14637 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14638 for a negative bound.
14640 2006-01-10 Richard Guenther <rguenther@suse.de>
14642 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14643 Never override with anything constraint.
14645 2006-01-10 Jan Beulich <jbeulich@novell.com>
14647 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14648 256 bits when optimize_size.
14650 2006-01-10 Jan Beulich <jbeulich@novell.com>
14652 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14654 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14655 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14658 2006-01-10 Ben Elliston <bje@au.ibm.com>
14660 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14662 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14663 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14664 (USE_FP_FOR_ARG): Reject decimal float modes.
14665 (function_arg_advance): Likewise.
14666 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14667 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14668 point types in AltiVec vectors.
14669 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14670 (rs6000_libcall_value): Likewise.
14672 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14674 * config/xtensa/ieee754-df.S: New file.
14675 * config/xtensa/ieee754-sf.S: New file.
14676 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14677 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14678 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14680 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14682 * config/sh/predicates.md (binary_float_operator,
14683 binary_logical_operator, commutative_float_operator,
14684 equality_comparison_operator, greater_comparison_operator,
14685 less_comparison_operator, logical_operator,
14686 noncommutative_float_operator, shift_operator,
14687 symbol_ref_operand, unary_float_operator): Remove redundant
14690 2006-01-09 Jeff Law <law@redhat.com>
14692 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14693 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14694 now unused arguments. Callers updated.
14695 (eliminate_redundant_computations): Remove now unused arguments,
14697 (local_fold): Remove, no longer used.
14698 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14700 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14701 (simplify_cond): New function.
14702 (forward_propagate_into_cond): Call simplify_cond.
14704 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14706 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14707 (*vec_extractv2di_1_sse): New.
14709 2006-01-09 Ben Elliston <bje@au.ibm.com>
14711 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14713 2006-01-08 Richard Guenther <rguenther@suse.de>
14715 * tree-ssa-structalias.c (get_constraint_for): Remove
14716 anyoffset argument.
14717 (get_constraint_for_component_ref): Likewise.
14718 (do_deref): Likewise.
14719 (get_constraint_for): Likewise.
14720 (do_structure_copy): Likewise.
14721 (handle_ptr_arith): Likewise.
14722 (find_func_aliases): Likewise. Remove unused need_anyoffset
14725 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14726 Kaz Kojima <kkojima@gcc.gnu.org>
14728 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14729 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14730 (EXTRA_CONSTRAINT_C16): Remove.
14731 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14732 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14733 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14734 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14735 constants of SHmedia. Handle nested constant expressions of
14737 (andcosts): Fix the costs for SHmedia constants.
14738 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14739 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14740 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14741 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14742 (movv4hi_i, movv2si_i): Likewise.
14743 (movsi_const): Adjust the second operand of ior so to match with
14744 the Csu constraint.
14745 (movdi_const, movdi_const_32bit): Likewise.
14746 (movdi_const_16bit+1): Don't sign-extend LOW.
14747 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14749 (*double_shori): Fix the split condition. Use GEN_INT instead
14750 of get_int_mode calls. Mask lower 16-bit of the argument of
14752 (sym2GOTPLT): Remove.
14753 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14755 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14756 instead of EXTRA_CONSTRAINT_C16.
14758 2006-01-07 Ian Lance Taylor <ian@airs.com>
14759 David Edelsohn <edelsohn@gnu.org>
14761 PR rtl-optimization/25662
14762 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14763 for constant operands instead of simplify_gen_binary.
14764 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14765 after trying simplify_binary_operation
14767 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14769 * tree.c (iterative_hash_expr): Hash decls based on UID.
14771 2006-01-06 Eric Christopher <echristo@apple.com>
14773 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14774 (TARGET_UNWIND_EMIT): Fix spelling.
14775 * target.h (gcc_target): Add except_table_label.
14776 * except.c (output_function_exception_table): Use.
14777 * varasm.c (default_emit_except_table_label): New.
14778 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14780 (asm_out): Add here.
14781 * output.h (default_emit_except_table_label): Prototype.
14782 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14783 * config/darwin.c (darwin_emit_except_table_label): Define.
14784 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14786 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14788 PR tree-optimization/18527
14789 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14790 number_of_iterations_special, number_of_iterations_exit):
14791 Move base and step of an iv to a single structure. Add
14792 no_overflow flag, and use it in # of iterations analysis.
14793 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14794 folded_casts argument.
14795 (simple_iv): Pass base and step in a structure. Set no_overflow
14797 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14798 Evaluate expensiveness of computing # of iterations instead of
14799 the final expression.
14800 * tree-scalar-evolution.h (affine_iv): New structure.
14801 (simple_iv): Declaration changed.
14802 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14803 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14804 find_givs_in_stmt): Changed due to simple_iv change.
14806 2006-01-06 Jeff Law <law@redhat.com>
14809 * tree-cfg.c (bsi_replace): Rename final argument from
14810 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14811 change (stmt -> orig_stmt).
14812 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14813 (bsi_remove): Add new argument. Remove EH information
14815 (verify_eh_throw_table_statements): New function.
14816 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14818 * tree-optimize.c (execute_free_cfg_annotations): Verify
14819 the EH throw statement table after removing annotations.
14820 * except.h (verify_eh_throw_table_statements): Prototype.
14821 * tree-flow.h (bsi_remove): Update prototype.
14822 * tree-vrp.c (remove_range_assertions): Add new argument to
14824 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14825 * tree-complex.c (expand_complex_div_wide): Likewise.
14826 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14827 * tree-tailcall.c (eliminate_tailcall): Likewise.
14828 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14829 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14830 * tree-nrv.c (tree_nrv): Likewise.
14831 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14832 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14833 (combine_blocks): Likewise.
14834 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14835 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14836 (cleanup_control_flow): Likewise.
14837 (remove_forwarder_block): Likewise.
14838 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14839 * tree-sra.c (sra_replace): Likewise.
14840 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14841 (forward_propagate_single_use_vars): Likewise.
14842 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14843 * tree-inline.c (expand_call_inline): Likewise.
14844 * tree-vect-transform.c (vect_transform_loop): Likewise.
14845 * tree-outof-ssa.c (rewrite_trees): Likewise.
14846 * tree-cfg.c (make_goto_expr_edges): Likewise.
14847 (cleanup_dead_labels): Likewise.
14848 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14849 (bsi_move_before, bsi_move_after): Likewise.
14850 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14851 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14853 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14856 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14858 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14859 on non gimple variables. Also add checks at the top for decls and
14861 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14863 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14864 and IMAGPART_EXPR for creating MUST_DEFs.
14865 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14866 and NAME_MEMORY_TAG separately from the DECLs.
14868 2006-01-06 Richard Guenther <rguenther@suse.de>
14870 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14871 annotation, if necessary.
14872 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14873 redundant calls to update_stmt.
14874 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14877 2006-01-05 Richard Henderson <rth@redhat.com>
14879 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14881 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14883 * c-typeck.c: Update copyright date.
14885 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14887 * c-typeck.c (build_c_cast): Always warn when casting
14888 from a pointer to an integer of different size, even if
14889 the node was constant.
14891 2006-01-05 Richard Guenther <rguenther@suse.de>
14893 PR tree-optimization/22555
14894 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14895 if one structure field is an array.
14896 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14897 operands even if we found a subvar, but ignore VOPs in this
14899 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14901 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14903 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14905 PR middle-end/24998
14906 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14908 2006-01-05 Richard Guenther <rguenther@suse.de>
14909 Diego Novillo <dnovillo@redhat.com>
14911 * tree-pass.h (TODO_remove_unused_locals): Define.
14912 * gimple-low.c (expand_var_p, remove_useless_vars,
14913 pass_remove_useless_vars): Remove. Update all users.
14914 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14915 (remove_unused_locals): New function.
14916 * tree-flow.h (remove_unused_locals): Declare.
14917 * passes.c (execute_todo): Call remove_unused_locals if
14918 TODO_remove_unused_locals is set.
14919 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14920 * tree-ssa-dce.c (pass_dce): Likewise.
14921 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14923 2006-01-05 Richard Guenther <rguenther@suse.de>
14925 * tree-flow.h (struct fieldoff): Decompose field to
14926 type, size and decl.
14927 * tree-ssa-alias.c (create_sft): Take type as parameter.
14928 (create_overlap_variables_for): Store type, size and decl
14929 in the fieldoff structure.
14930 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14931 of struct fieldoff.
14932 (push_fields_onto_fieldstack): Likewise.
14933 (create_variable_info_for): Likewise. Use offset for the
14934 SFT name if the decl is not available.
14936 2006-01-04 Paul Brook <paul@codesourcery.com>
14938 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14940 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14942 * lambda-code.c (can_put_in_inner_loop): Relax
14944 (can_put_after_inner_loop): New function.
14945 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14946 (perfect_nestify): Change to make copies and modify uses.
14948 2006-01-04 Richard Henderson <rth@redhat.com>
14950 Merge from gomp branch:
14951 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14952 via integer constant.
14953 (pragma_lex): Remove.
14954 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14955 rather than parsing it.
14956 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14957 handle_pragma_extern_prefix): Add %< %> quotes.
14958 (registered_pragmas): New.
14959 (c_register_pragma_1): New.
14960 (c_register_pragma): Use it.
14961 (c_register_pragma_with_expansion): Likewise.
14962 (c_invoke_pragma_handler): New.
14963 (init_pragma): Use cpp_register_deferred_pragma directly for
14965 * c-pragma.h (enum pragma_kind): New.
14966 (pragma_handler): New.
14967 (c_invoke_pragma_handler): Declare.
14968 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14970 * c-common.h (c_common_pch_pragma): Update decl.
14971 * Makefile.in (c-parser.o): Update dependencies.
14972 (GTFILES): Add c-pragma.h.
14973 * c-parser.c (struct c_token): Add pragma_kind.
14974 (struct c_parser): Add in_pragma.
14975 (c_lex_one_token): Always initialize keyword and pragma_kind.
14976 Extract data for CPP_PRAGMA.
14977 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14978 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14979 Don't allow CPP_PRAGMA_EOL if in_pragma.
14980 (c_parser_consume_pragma): New.
14981 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14982 (c_parser_skip_to_end_of_parameter): Likewise.
14983 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14984 (c_parser_skip_to_pragma_eol): New.
14985 (c_parser_external_declaration): Handle CPP_PRAGMA.
14986 (c_parser_compound_statement_nostart): Likewise.
14987 (c_parser_statement_after_labels): Likewise.
14988 (c_parser_pragma): New.
14989 (pragma_lex): Likewise.
14990 (c_parser_pragma_pch_preprocess): New.
14991 (c_parser_new): Merge into ...
14992 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14994 2006-01-04 Jeff Law <law@redhat.com>
14997 * tree-cfg.c (bsi_replace): Remove the original statement
14998 from the EH throw statement table.
15000 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15002 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15003 make the prototype extern "C" and add throw ().
15006 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15007 and pos non-negative and pos + len <= 32.
15008 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15009 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15010 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15013 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15014 as well as sizes not multiple of component size.
15017 * function.c (instantiate_expr): New function.
15018 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15019 walk its DECL_VALUE_EXPR with instantiate_expr.
15021 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15022 DW_OP_deref{,_size} if address isn't going to be added.
15024 2006-01-04 Ben Elliston <bje@au.ibm.com>
15026 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15027 * config/fp-bit.c: Likewise.
15029 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15031 * dominance.c: Add comment about why we use DFS numbering
15034 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15035 Richard Henderson <rth@redhat.com>
15037 Merge from gomp-branch:
15038 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15039 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15041 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15043 PR rtl-optimization/25578
15044 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15045 pass a parameter to simplify_shift_const if changing ASHIFTRT
15048 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15050 * builtins.c (get_builtin_sync_mem): New function.
15051 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15052 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15053 Call get_builtin_sync_mem to generate mem rtx.
15055 2006-01-03 Richard Guenther <rguenther@suse.de>
15058 * stmt.c (add_case_node): Make sure to clear overflow flags
15061 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15063 Merge from gomp-branch.
15064 * config/sparc/sync.md: New file.
15065 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15066 UNSPECV_LDSTUB): New constants.
15067 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15068 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15069 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15072 2006-01-03 Roger Sayle <roger@eyesopen.com>
15074 * combine.c (reg_subword_p): New predicate to test whether the
15075 destination of a set refers to a subword/piece of a register.
15076 (try_combine): Generalize the code to merge the setting of a
15077 pseudo to a constant followed by a set of a subword of that
15078 register to a constant.
15080 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15082 * basic-block.h (control_flow_graph): Change the type of
15083 x_label_to_block_map to VEC(basic_block,gc) *.
15084 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15085 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15087 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15088 VEC(basic_block,heap) *.
15089 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15090 ssa_prop_fini): Adjust the uses of cfg_blocks.
15092 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15094 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15096 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15097 hashing trees instead of a pointer hash.
15098 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15099 compare for MEM_EXPR.
15101 PR rtl-optimization/25130
15102 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15103 when comparing MEMs for GCSE
15105 2006-01-03 Ben Elliston <bje@au.ibm.com>
15107 * targhooks.h (default_decimal_float_supported_p): Declare.
15108 * targhooks.c (default_decimal_float_supported_p): Define.
15109 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15110 `default_decimal_float_supported_p'.
15111 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15113 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15115 * combine.c (apply_distributive_law <SUBREG>): Check
15116 TRULY_NOOP_TRUNCATION.
15118 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15120 * dwarf2out.c (have_switched_text_section): Delete.
15121 (have_multiple_function_sections): New.
15122 (have_location_lists): Make 'bool'.
15123 (add_AT_loc_list): Use 'true' not '1'.
15124 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15125 (output_loc_list): Use have_multiple_function_sections.
15126 (output_ranges): Likewise.
15127 (dwarf2out_begin_function): Set have_multiple_function_sections if
15129 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15130 Check function_section rather than DECL_SECTION_NAME.
15131 (dwarf2out_finish): Use have_multiple_function_sections.
15132 Don't clear have_location_lists.
15134 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15135 Jan Hubicka <jh@suse.cz>
15137 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15138 case of conditional jump jumping to the next instruction.
15139 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15140 cases of conditional jump jumping to the next instruction.
15142 2006-01-02 Jan Hubicka <jh@suse.cz>
15144 * i386.c (*_cost): Add COSTS_N_INSNS.
15145 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15147 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15150 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15152 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15154 * config/arm/arm.c (all_fpus): Fix comment typo.
15155 * config/darwin.c: Likewise.
15156 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15157 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15158 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15160 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15162 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15163 (rs6000_split_compare_and_swapqhi): New.
15164 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15165 (sync_compare_and_swapqhi_internal): New.
15166 * config/rs6000/rs6000-protos.h: Declare.