1 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6 2006-09-20 Steve Ellcey <sje@cup.hp.com>
9 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
10 with tablejumps in them.
12 2006-09-20 Jakub Jelinek <jakub@redhat.com>
15 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
16 wrap it into TARGET_EXPR.
18 2006-09-20 Eric Christopher <echristo@apple.com>
20 * config/i386/i386.c (x86_fisttp): Remove.
21 * config/i386/i386.h (x86_fisttp): Ditto.
22 (TARGET_FISTTP): Ditto.
24 2006-09-19 Eric Christopher <echristo@apple.com>
26 * doc/tm.texi (OBJC_JBLEN): Describe.
27 * config/i386/darwin.h (OBJC_JBLEN): Define.
28 * config/rs6000/darwin.h: Ditto.
30 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
32 PR rtl-optimization/21299
33 * reload1.c (reload): Purge invalid ASMs in the final pass.
35 2006-09-19 Steve Ellcey <sje@cup.hp.com>
38 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
39 pointers as legitimate constants.
41 2006-09-19 Paul Brook <paul@codesourcery.com>
44 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
46 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
48 PR tree-optimization/28887
49 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
50 component parts from the reference.
51 (gather_memory_references_ref): Record the reference without the
52 nonaddressable component parts.
54 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
57 * c-opts.c (c_common_handle_option): Ignore the -std options
58 if the input language is assembly.
60 2006-09-17 Ira Rosen <irar@il.ibm.com>
63 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
65 (ptr_ptr_may_alias_p): Likewise.
66 (record_record_differ_p): New function.
67 (base_object_differ_p): Call record_record_differ_p.
69 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
72 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
73 away for the expr argument.
75 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
78 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
79 before using it for dumping after vectorizing loops.
81 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
82 Jack Howarth <howarth@bromo.med.uc.edu>
85 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
86 skip on error_mark_node.
87 (rs6000_darwin64_record_arg_recurse): Likewise.
89 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
91 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
92 * doc/rtl.texi: Remove related documentation.
94 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
96 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
99 2006-09-15 Jim Wilson <wilson@specifix.com>
101 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
102 Handle symbol offsets same as they are handled in ia64_expand_move
105 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
107 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
108 Add forgotten parameter to the fprintf call.
110 2006-09-15 Steve Ellcey <sje@cup.hp.com>
112 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
114 2006-09-15 Uros Bizjak <uros@kss-loka.si>
116 * doc/contrib.texi: Add my entry.
118 2006-09-15 Nick Clifton <nickc@redhat.com>
120 * doc/md.texi (Processor pipeline description): Fix typo in
121 example of how to use the absence_set directive and reword the
122 description to make it slightly easier to read.
124 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
126 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
127 * loop-doloop.c (doloop_optimize): Use it to limit costs of
128 expanding the number of iterations.
129 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
131 * cfgrtl.c (emit_insn_at_entry): New function.
132 * rtl.h (emit_insn_at_entry): Declare it.
133 * integrate.c (emit_initial_value_sets): Use it.
135 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
137 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
139 (struct loop_work and related VEC declarations): Delete.
140 (bfin_dump_loops): Print out new member bad.
141 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
142 (bfin_scan_loop): Don't recurse.
143 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
144 loops. No longer need to update outer loops if the current one is
145 found bad. Move some validitiy checks to bfin_discover_loop.
146 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
147 but changed not to check for nesting. Also changed to use the new bad
149 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
150 time. Use bitmap based test to discover loop nesting.
152 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
154 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
157 2006-09-14 Richard Guenther <rguenther@suse.de>
158 Kazu Hirata <kazu@codesourcery.com>
161 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
162 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
163 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
164 with TARGET_FUNCTION_VALUE.
166 2006-09-14 Anatoly Sokolov <aesok@post.ru>
169 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
171 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
173 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
176 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
179 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
182 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
184 * basic_block.h (bb_has_eh_pred): Fix comment.
186 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
188 * flow.c (calculate_global_regs_live): Invalidate eh registers
189 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
190 (propagate_block): Handle eh registers as if they were set at basic
192 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
194 * global.c (global_conflicts): Make eh registers to conflict with
195 pseudos live at basic block begin.
196 * basic_block.h (bb_has_eh_pred): New function.
198 2006-09-13 Richard Sandiford <richard@codesourcery.com>
200 PR rtl-optimization/28982
201 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
202 index of a PRE_MODIFY or POST_MODIFY address.
203 * reload1.c (inc_for_reload): Use find_replacement on the original
204 base and index registers.
206 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
208 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
209 for -Os. Update __m128 alignment requirement.
211 2006-09-13 Jan Hubicka <jh@suse.cz>
213 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
215 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
217 PR rtl-optimization/28243
218 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
219 the insn to which the note was originally attached.
221 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
222 Roger Sayle <roger@eyesopen.com>
224 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
225 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
226 on platforms that don't use dwarf for debug info.
228 2006-09-12 Jason Merrill <jason@redhat.com>
231 * builtins.c (expand_builtin_setjmp_receiver): Clobber
232 hard_frame_pointer_rtx after using it to update the frame pointer.
234 2006-09-12 Roger Sayle <roger@eyesopen.com>
236 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
237 (TARGET_ASM_CLOSE_PAREN): Likewise.
238 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
239 (TARGET_ASM_CLOSE_PAREN): Likewise.
241 2006-09-12 Roger Sayle <roger@eyesopen.com>
244 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
245 frame information for frames larger than 512 Kbytes on Tru64 when
246 using the native assembler.
248 2006-09-12 Roger Sayle <roger@eyesopen.com>
252 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
253 and symbols. Instead use the implementation from cse.c's hash_rtx.
255 2006-09-12 Jan Hubicka <jh@suse.cz>
257 PR rtl-optimization/28071
258 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
259 (vect_transform_loop): Likewise.
260 * tree-vectorizer.c (new_loop_vec_info): Likewise.
261 (new_loop_vec_info): Likewise.
262 (destroy_loop_vec_info): Likewise.
263 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
264 (create_stmt_ann): Likewise.
265 (create_tree_ann): Rename to ...
266 (create_tree_common_ann): ... this one; allocate only the common part
268 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
269 (get_value_handle): Likewise.
270 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
272 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
273 (vinfo_for_stmt): Use stmt annotations.
274 * tree-flow.h (tree_ann_common_t): New type.
275 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
276 (tree_ann, get_tree_ann, create_tree_ann): New.
277 * tree-flow-inline.h (get_function_ann): Do more type checking.
278 (stmt_ann): Likewise.
279 (tree_ann): Rename to ...
280 (tree_common_ann): ... this one; return ony common_ann
281 (get_tree_ann): Rename to ...
282 (tree_common_ann): This one; return only common_ann.
283 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
286 2006-09-11 Geoffrey Keating <geoffk@apple.com>
288 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
291 * dwarf2out.c (dwarf_file_data): New.
292 (enum dw_val_class): Add dw_val_class_file.
293 (struct dw_val_struct): Add val_file.
294 (file_table): Change to a hash table.
295 (file_table_emitted): Delete.
296 (file_table_last_lookup_index): Delete.
298 (last_emitted_file): New.
299 (lookup_filename): Change prototype to return a struct dwarf_file_data.
300 (init_file_table): Delete.
301 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
302 (AT_addr): Add comment.
306 (print_die): Handle dw_val_class_file.
307 (print_dwarf_line_table): Update for new file table structure.
308 (attr_checksum): Do checksum a filename.
309 (same_dw_val_p, same_attr_p): Do compare a filename.
310 (size_of_die): Handle dw_val_class_file.
311 (value_format): Likewise.
312 (output_die): Likewise. Also, call maybe_emit_file here.
313 (struct file_info): Constify filenames. Make file_idx a pointer
314 to a struct dwarf_file_data.
315 (struct dir_info): Constify directory names. Remove 'used' field.
316 (struct file_name_acquire_data): New.
317 (file_name_acquire): New.
318 (output_file_names): Modify to handle new file data structures.
319 (add_src_coords_attributes): Use add_AT_file.
320 (add_call_src_coords_attributes): Likewise.
321 (dwarf2out_imported_module_or_decl): Likewise.
322 (gen_subprogram_die): Modify for new file data structures.
323 (gen_variable_die): Likewise.
324 (file_table_eq): New.
325 (file_table_hash): New.
326 (file_table_last_lookup): New.
327 (lookup_filename): Rewrite to handle new file data structures.
328 (maybe_emit_file): Rewrite to handle new file data structures.
329 (dwarf2out_source_line): Always call lookup_filename and
331 (dwarf2out_init): Create file_table here.
332 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
333 (file_table_relative_p): New.
334 (dwarf2out_finish): Change detection of relative filenames
335 to work with new file data structures. Move output_line_info call
336 after debug_info output.
338 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
343 * config/i386/i386.c (override_options): Always default to 16
346 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
349 * var-tracking.c (dump_dataflow_set): Start dumping at
351 (clobber_variable_part): Kill only the variable part in
352 registers holding it, leaving other variables alone.
354 2006-09-11 Josh Triplett <josh@freedesktop.org>
356 * doc/extend.texi (Other Builtins): Actually use the macro
357 argument in the documentation example for
358 __builtin_types_compatible_p.
360 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
362 PR rtl-optimization/28726
363 * sched-deps.c (sched_analyze_reg): New function extracted from...
364 (sched_analyze_1): ...here. Call it to analyze references to
365 registers. Treat again writes to a stack register as writing to the
367 (sched_analyze_2): ...and here. Call it to analyze references to
368 registers. Treat again reads of a stack register as reading the
371 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
372 David Edelsohn <edelsohn@gnu.org>
375 * config/rs6000/spe.md (frob_df_di): Remove %H.
376 (frob_di_df): Remove %H. Change evmergelo to mr.
377 (frob_di_df_2): Remove %H. Change evldd to two loads.
379 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
381 * doc/cpp.texi: Fix names of charset options.
383 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
386 * config/i386/i386.c (override_options): Use 128-bit
387 stack boundary always for 64bits.
389 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
391 PR rtl-optimization/28636
392 * combine.c (force_to_mode): Test for side-effects before
393 substituting by zero.
394 (simplify_shift_const): Likewise for zero or other constants.
396 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
399 * builtins.c (expand_builtin_setjmp): Force next_lab to be
402 2006-09-10 Richard Sandiford <richard@codesourcery.com>
405 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
406 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
407 returned by mode_for_size, rather than the mode of src itself,
408 to choose between 32-bit and 64-bit patterns.
409 (mips_mem_fits_mode_p): New function.
410 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
411 that the size of the source matches the size of the destination.
412 (mov_<store>l, mov_<store>r): Likewise.
414 2006-09-10 Eric Christopher <echristo@apple.com>
416 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
419 2006-09-09 Eric Christopher <echristo@apple.com>
422 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
425 2006-09-09 Roger Sayle <roger@eyesopen.com>
426 Nicolas Setton <setton@adacore.com>
428 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
430 2006-09-10 Andreas Schwab <schwab@suse.de>
432 * config/m68k/m68k.md (bungt_rev): New pattern.
434 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
435 Dale Johannesen <dalej@apple.com>
438 * regclass.c (struct reg_pref): Update documentation.
439 (regclass): Set prefclass to NO_REGS if memory is the best option.
440 (record_reg_classes): Cope with a prefclass set to NO_REGS.
442 2006-09-08 Eric Christopher <echristo@apple.com>
444 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
445 * config/t-slibgcc-darwin: Support x86_64 multilib.
446 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
447 Return 1 for x86_64-darwin.
448 * config/i386/t-darwin: Add m64 multilib.
449 (LIB2_SIDITI_CONV_FUNCS): Use.
450 (LIB2FUNCS_EXTRA): Ditto.
451 * config/i386/darwin.h: Support x86_64.
452 * config/i386/i386.c (override_options): Turn on flag_pic
453 for x86_64-darwin. Disable flag_omit_pointer.
454 (get_pc_thunk_name): Assert !TARGET_64BIT.
455 (legitimate_address_p): Disable machopic addressing for
457 (legitimize_pic_address): Ditto.
458 (ix86_expand_move): Ditto.
459 (ix86_expand_call): Ditto.
460 (machopic_output_stub): Ditto.
461 * config/darwin.c (machopic_select_section): Support literal16.
462 (machopic_select_rtx_section): Ditto.
463 * config/darwin-sections.def: Ditto.
464 * config/darwin-64.c: New.
466 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
469 * c-tree.h (struct c_arg_info): Add pending_sizes.
470 * c-parser.c (c_parser_parms_declarator,
471 c_parser_parms_list_declarator): Initialize pending_sizes.
472 * c-decl.c (get_parm_info): Initialize pending_sizes.
473 (get_parm_info): Set pending_sizes.
474 (grokdeclarator): Call put_pending_sizes for parameters for
475 function definition only.
477 2006-09-07 Jason Merrill <jason@redhat.com>
480 * varasm.c (output_constant): Only strip actual no-op conversions.
483 * config/i386/i386.c (override_options): Use 128-bit
484 stack boundary if -msse.
486 2006-09-07 Eric Christopher <echristo@apple.com>
488 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
490 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
493 2006-09-07 Geoffrey Keating <geoffk@apple.com>
495 * dwarf2out.c: Remove strange characters from comment above
496 dwarf2out_frame_debug_expr.
498 2006-09-07 Eric Christopher <echristo@apple.com>
500 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
501 * config/darwin.h: ... to here.
503 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
505 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
507 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
508 (TARGET_PARTIAL_FLAG_REG_STALL): New.
510 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
511 TARGET_PARTIAL_FLAG_REG_STALL.
512 (*ashldi3_cconly_rex64): Likewise.
513 (*ashlsi3_cmp): Likewise.
514 (*ashlsi3_cconly): Likewise.
515 (*ashlsi3_cmp_zext): Likewise.
516 (*ashlhi3_cmp): Likewise.
517 (*ashlhi3_cconly): Likewise.
518 (*ashlqi3_cmp): Likewise.
519 (*ashlqi3_cconly): Likewise.
520 (*ashrdi3_cmp_rex64): Likewise.
521 (*ashrdi3_cconly_rex64): Likewise.
522 (*ashrsi3_cmp): Likewise.
523 (*ashrsi3_cconly): Likewise.
524 (*ashrsi3_cmp_zext): Likewise.
525 (*ashrhi3_cmp): Likewise.
526 (*ashrhi3_cconly): Likewise.
527 (*ashrqi3_cmp): Likewise.
528 (*ashrqi3_cconly): Likewise.
529 (*lshrdi3_cmp_rex64): Likewise.
530 (*lshrdi3_cconly_rex64): Likewise.
531 (*lshrsi3_cmp): Likewise.
532 (*lshrsi3_cconly): Likewise.
533 (*lshrsi3_cmp_zext): Likewise.
534 (*lshrhi3_cmp): Likewise.
535 (*lshrhi3_cconly): Likewise.
536 (*lshrqi2_cmp): Likewise.
537 (*lshrqi2_cconly): Likewise.
539 2006-09-07 Uros Bizjak <uros@kss-loka.si>
542 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
543 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
544 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
545 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
546 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
547 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
548 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
549 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
550 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
551 implement only CC setting effects of shift instructions.
553 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
555 * doc/contrib.texi: Add myself.
557 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
560 * stor-layout.c (relayout_decl): Don't zero the alignment if it
563 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
566 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
567 (divsi_inv_m1): Use them.
568 (UNSPEC_DIV_INV_TABLE): New constant.
570 2006-09-06 James E Wilson <wilson@specifix.com>
573 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
574 then call count_or_remove_death_notes.
576 2006-09-06 Jason Merrill <jason@redhat.com>
579 * tree-inline.c (copy_result_decl_to_var): New fn.
580 (declare_return_variable): Use it. Call declare_inline_vars here.
581 (expand_call_inline): Not here.
583 2006-09-06 Diego Novillo <dnovillo@redhat.com>
585 * doc/contrib.texi: Update my entry.
587 2006-09-06 Nick Clifton <nickc@redhat.com>
589 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
591 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
594 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
595 (canonicalize_induction_variables): Likewise.
596 (tree_unroll_loops_completely): Likewise.
597 (tree_ssa_prefetch_arrays): Likewise.
598 (remove_empty_loops): Likewise.
599 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
600 TODO_cleanup_cfg instead of directly calling
601 cleanup_tree_cfg_loop.
602 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
604 (tree_unroll_loops_completely): Likewise.
605 (remove_empty_loops): Likewise.
606 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
607 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
608 of tree_ssa_unswitch_loops.
609 (tree_ssa_loop_ivcanon): Use the return value of
610 canonicalize_induction_variables.
611 (tree_ssa_empty_loop): Use the return value of
613 (tree_complete_unroll): Use the return value of
614 tree_unroll_loops_completely.
615 (tree_ssa_loop_prefetch): Use the return value of
616 tree_ssa_prefetch_arrays.
617 * passes.c (execute_todo): Before Cleanup CFG, set
618 updating_used_alone and after cleanup CFG, call
619 recalculate_used_alone.
621 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
624 * tree-vect-transform.c (vectorizable_condition): Move the check
625 for the type after the check for simple condition.
627 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
628 Kaz Kojima <kkojima@gcc.gnu.org>
631 * mode-switching.c (optimize_mode_switching): Make the destination
632 block of an abnormal edge have no anticipatable mode. Don't
633 insert mode switching code at the end of the source block of
636 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
638 PR rtl-optimization/26847
639 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
640 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
641 (simplify_plus_minus): Count n_constants while filling ops. Replace
642 qsort with insertion sort. Before going through the array to simplify
643 pairs, sort it. Delay early exit until after the first sort, exiting
644 only if no swaps occurred. Simplify pairs in reversed order, without
645 special-casing the first iteration. Pack ops after simplifying pairs.
647 2006-09-05 Anatoly Sokolov <aesok@post.ru>
649 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
650 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
651 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
652 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
654 2006-09-05 Richard Guenther <rguenther@suse.de>
656 PR tree-optimization/28900
657 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
658 compound conditional before creating COND_EXPR condition.
660 2006-09-05 Richard Guenther <rguenther@suse.de>
662 PR tree-optimization/28905
663 * tree-vrp.c (fix_equivalence_set): Manually implement
664 !value_ranges_intersect_p to also handle symbolic ranges.
666 2006-09-05 Richard Guenther <rguenther@suse.de>
669 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
672 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
674 PR rtl-optimization/27616
675 * cse.c (table_size): New static variable.
676 (new_basic_block): Initialize it to 0.
677 (remove_from_table): Decrement it.
678 (insert): Increment it.
679 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
680 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
681 fold_rtx_mem_1 if under the cap.
682 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
683 the lookup of the equivalent expression and test for equality of the
684 first operand of the equivalent expression before in turn looking up
685 an equivalent constant for the second operand.
687 2006-09-02 Geoffrey Keating <geoffk@apple.com>
690 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
691 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
692 pointer, instead of assuming it is possible to derive the
693 correct args size from a call insn.
695 2006-09-02 Jakub Jelinek <jakub@redhat.com>
698 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
699 (fold_builtin_mempcpy): Rename to...
700 (fold_builtin_memory_op): ... this. Optimize one element copy
702 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
704 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
705 (expand_builtin_memcpy, expand_builtin_mempcpy,
706 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
707 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
708 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
709 BUILT_IN_MEM{CPY,PCPY,MOVE}.
711 2006-09-01 DJ Delorie <dj@redhat.com>
713 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
715 ("stzx_24_<mode>"): Likewise.
716 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
717 ("cmp<mode>_op"): New.
718 (cmp<mode>): Change to expander; just save operands.
720 (b<code>): Change to expander, emit compare here.
721 (s<code>_op): Change to use split and expander.
722 (s<code>_24_op): Likewise.
723 (s<code>_<mode>): New.
724 (s<code>_<mode>_24): New.
725 (movqicc_<code>_<mode): New.
726 (movhicc_<code>_<mode>): New.
729 * config/m32c/m32c.c (compare_op0, compare_op1): New.
730 (m32c_pend_compare): New.
731 (m32c_unpend_compare): New.
732 (m32c_expand_scc): New.
733 (m32c_expand_movcc): Emit the compare also.
734 * config/m32c/predicates.md (mra_nopp_operand): New.
736 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
737 Richard Guenther <rguenther@suse.de>
738 Adam Nemet <anemet@caviumnetworks.com>
741 * builtins.c (get_pointer_alignment): Handle more forms
742 of base addresses that can be used to derive more precise
743 information about alignment.
745 2006-09-01 Jason Merrill <jason@redhat.com>
748 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
751 * gimplify.c (voidify_wrapper_expr): Handle null type.
753 2006-09-01 Josh Conner <jconner@apple.com>
756 * tree-nrv.c (dest_safe_for_nrv_p): New function.
757 (execute_return_slot_opt): Use it.
759 2006-08-31 Josh Conner <jconner@apple.com>
762 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
763 returning aggregates.
765 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
767 PR tree-optimization/28839
768 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
769 blocks in that phi arguments appear.
771 2006-08-31 Roger Sayle <roger@eyesopen.com>
774 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
775 NULL, otherwise use an advance_loc4 to adjust relative to the
777 (output_cfi) <DW_CFA_set_loc>: Update the current label.
778 (dwarf2out_switch_text_section): Reset the current label to avoid
779 using advance_loc4 over section boundaries.
781 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
784 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
785 r12 + SYMBOLIC_CONST.
787 2006-08-30 Richard Guenther <rguenther@suse.de>
789 * Makefile.in (see.o): Add $(EXPR_H) dependency.
791 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
793 PR rtl-optimization/27735
794 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
795 Add new argument to keep track of whether an irreducible region
796 was affected. All callers changed.
797 (fix_irreducible_loops): Removed.
798 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
799 flags were invalidated.
801 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
803 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
804 instead of SF operands.
805 (*fop_df_comm_sse): Likewise.
806 (*fop_df_comm_i387): Likewise.
807 (*fop_df_1_mixed): Likewise.
808 (*fop_df_1_sse): Likewise.
810 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
811 J"orn Rennecke <joern.rennecke@st.com>
813 PR tree-optimization/17506
814 * tree-ssa.c (warn_uninit): If warning about a location outside of
815 the current function, note where the variable was declared.
817 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
819 PR tree-optimization/28411
820 * double-int.c (double_int_div): Use double_int_divmod.
821 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
822 double_int_mod, double_int_smod, double_int_umod): New functions.
823 * double-int.h (double_int_divmod, double_int_sdivmod,
824 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
826 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
828 (get_computation_aff, get_computation_cost_at): Handle double_int
829 return type of constant_multiple_of.
831 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
834 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
835 an implicit conversion.
837 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
839 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
841 2006-08-27 Roger Sayle <roger@eyesopen.com>
843 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
846 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
848 * config/i386/crtfastmath.c: Fix a comment typo.
850 2006-08-26 Roger Sayle <roger@eyesopen.com>
852 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
853 temporary visit flags on CASE_LABEL_EXPRs.
854 * c-common.c (match_case_to_enum): Add function comment. Avoid
855 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
856 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
857 CASE_HIGH_SEEN for enumerated types. If the switch expression is
858 a constant, only warn if that constant value isn't handled.
860 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
863 * input.h (restore_input_file_stack): Declare.
864 (INPUT_FILE_STACK_BITS): Define.
865 * toplev.c (fs_p, input_file_stack_history,
866 input_file_stack_restored, restore_input_file_stack): New.
867 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
868 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
869 (pop_srcloc): Don't free old state of stack.
871 2006-08-26 David Edelsohn <edelsohn@gnu.org>
874 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
875 (PowerPC Type Attributes): New.
877 2006-08-26 Bob Wilson <bob.wilson@acm.org>
879 * config/xtensa/xtensa.c (function_arg_boundary): New.
880 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
882 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
883 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
885 2006-08-26 Jakub Jelinek <jakub@redhat.com>
888 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
891 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
893 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
894 (verify_local_live_at_start): Likewise.
896 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
899 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
900 omp_add_variable): Treat sizes as variable whenever not
903 2006-08-26 Richard Guenther <rguenther@suse.de>
906 * fold-const.c (fold_binary): Fold temporary to correct
907 type before constructing new comparison.
909 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
912 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
913 variable again if DECL_SEEN_IN_BIND_EXPR_P.
915 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
918 * c-decl.c (start_function): Don't try to process prototype
919 information from old declaration that isn't a function.
921 2006-08-25 Jan Hubicka <jh@suse.cz>
924 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
926 2006-08-25 Alan Modra <amodra@bigpond.net.au>
929 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
932 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
934 PR tree-optimization/16876
935 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
936 exit if PARM doesn't match VALUE.
938 2006-08-25 Bob Wilson <bob.wilson@acm.org>
940 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
941 literal_prefix directive.
942 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
943 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
944 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
946 2006-08-25 David Edelsohn <edelsohn@gnu.org>
949 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
950 predicate to general_operand. Add 0->y and I->r alternatives.
952 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
954 * doc/tm.texi: Fix a typo.
955 * predict.c: Fix comment typos.
957 2006-08-25 Nick Clifton <nickc@redhat.com>
959 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
960 assertions of "cpu" and "machine".
962 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
965 * tree-ssa-operands.c (access_can_touch_variable): Don't say
966 the access through a base which has an alias set of 0 cannot
969 2006-08-24 Bill Wendling <wendling@apple.com>
971 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
973 2006-08-24 Jan Hubicka <jh@suse.cz>
975 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
977 2006-08-24 Jan Hubicka <jh@suse.cz>
980 * cgraph.c: Fix comments.
981 (cgraph_varpool_mark_needed_node): Mark only variables not already
983 * cgraphunit.c: Update comments; include gt-cgraphunit.h
984 (cgraph_varpool_assembled_nodes_queue): New static variable.
985 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
986 (cgraph_varpool_output_debug_info): New function.
987 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
988 * Makefile.in: Add gt-cgraphunit.h
990 2006-08-24 Jan Hubicka <jh@suse.cz>
992 * predict.c (probability_reliable_p): New predicate.
993 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
994 (predict_loops): Do not predict loop exit with less than 2%
996 * basic-block.h (edge_probability_reliable_p,
997 br_prob_note_reliable_p): Declare.
998 * ia64.h (ia64_print_operand): Do not disable on-chip branch
999 prediction when static predictor is not reliable.
1000 * rs6000.c (output_cbranch): Likewise.
1002 2006-08-23 Stuart Hastings <stuart@apple.com>
1005 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1006 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1008 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1011 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1012 complex values, nor for generic vector values.
1014 2006-08-22 Richard Guenther <rguenther@suse.de>
1017 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1018 parameter. Convert arguments to arithmetic expression to the
1020 (analyze_scalar_evolution_1): Adjust caller.
1022 2006-08-22 Jan Hubicka <jh@suse.cz>
1024 Patch by Paolo Bonzini
1025 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1028 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1030 PR tree-optimization/28003
1031 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1032 before grouping aliases.
1034 2006-08-22 Roger Sayle <roger@eyesopen.com>
1036 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1037 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1039 2006-08-21 Jason Merrill <jason@redhat.com>
1042 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1043 wrapper. Loop to handle nested wrappers.
1044 (gimplify_bind_expr): Remove temp parameter.
1045 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1046 and STATEMENT_LIST on the rhs.
1047 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1048 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1049 (gimplify_target_expr): Remove special BIND_EXPR handling.
1051 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1053 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1056 2006-08-21 Olivier Hainque <hainque@adacore.com>
1058 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1059 Arrange for the temporary captures of components overlapping the lhs
1060 to happen before the lhs is possibly cleared.
1062 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1064 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1065 necessary places to pass the correct "number of registers" values
1068 2006-08-20 Jan Hubicka <jh@suse.cz>
1070 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1071 (create_name_tags): Instead of quadratic checking use hashtable.
1072 * bitmap.h: Include hashtab.h.
1073 (bitmap_hash): Declare.
1074 * bitmap.c (bitmap_hash): New function.
1076 2006-08-20 Jan Hubicka <jh@suse.cz>
1078 PR rtl-optimization/28071
1079 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1081 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1082 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1083 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1084 cgraph_decide_inlining_incrementally): Update use of
1085 cgraph_check_inline_limits.
1086 * cgraph.c (edge_hash, edge_eq): New function.
1087 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1088 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1089 cgraph_remove_node): Maintain call site hash.
1090 * cgraph.h (struct cgraph_node): Add call_site_hash.
1091 (cgraph_set_call_stmt): New function.
1093 2006-08-20 Jan Hubicka <jh@suse.cz>
1095 PR rtl-optimization/28071
1096 * reload1.c (reg_has_output_reload): Turn into regset.
1097 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1098 choose_reload_regs, emit_reload_insns): Update to new
1099 reg_has_output_reload.
1101 2006-08-20 Jan Hubicka <jh@suse.cz>
1104 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1105 function body sizes.
1106 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1108 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1111 * tree.c (handle_dll_attribute): Return early if not a
1112 var or function decl.
1114 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1117 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1118 alignment of SPE vector types.
1120 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1122 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1124 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1127 * cgraph.h (struct cgraph_node): Remove externally_visible
1129 * cgraphunit.c (process_function_and_variable_attributes): Set
1130 local.externally_visible rather than externally_visible.
1133 * c-common.c (handle_externally_visible_attribute): First look
1134 at TREE_CODE and only if it is function or var decl, check for
1135 non-public objects. Don't warn for DECL_EXTERNAL.
1136 * cgraphunit.c (process_function_and_variable_attributes): Warn
1137 if externally_visible attribute is used on non-public object.
1139 2006-08-17 Jan Hubicka <jh@suse.cz>
1141 PR tree-optimization/27865
1142 * reload1.c (forget_marked_reloads): New function.
1143 (forget_old_reloads_1): When data are passed, just mark the registers
1145 (reload_as_needed): Use the new mechanizm.
1147 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1150 * reload.h (reg_equiv_alt_mem_list): New declaration.
1151 * reload1.c (reg_equiv_alt_mem_list): New definition.
1152 (reload): Initialize it and release it.
1153 (delete_output_reload): Use it.
1154 * reload.c (push_reg_equiv_alt_mem): New function.
1155 (find_reloads_toplev): Call it.
1156 (find_reloads_address, find_reloads_address_1): Likewise.
1157 (find_reloads_subreg_address): Likewise.
1159 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1161 PR rtl-optimization/28489
1162 * sched-ebb.c (begin_schedule_ready): Create basic block
1164 (advance_target_bb): Skip empty blocks.
1165 * haifa-sched.c (bb_note): Make global.
1166 * sched-int.h (bb_note): Add prototype.
1168 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1170 PR tree-optimization/27865
1171 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1173 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1174 fold_used_pointer, pointer_used_p): New functions.
1175 (analyze_scalar_evolution_1): Use fold_used_pointer.
1176 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1177 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1180 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1183 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1184 or the INTEGER_CST. Fail on a CALL_EXPR.
1185 (fold_offsetof): Pass new argument to fold_offsetof_1.
1186 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1187 operand into an INDIRECT_REF.
1188 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1190 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1192 PR gcov/profile/26570
1193 * value-prof.c (static_values): Removed.
1194 (tree_find_values_to_profile): Do not set static_values.
1195 (find_values_to_profile): Do not free static_values.
1196 * profile.c (instrument_values): Do not free the values.
1197 (branch_prob): Free the values.
1199 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1201 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1203 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1206 * c-typeck.c (build_component_ref): Combine qualifiers of
1207 structure or union and field.
1209 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1211 PR rtl-optimization/28071
1212 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1213 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1214 * tree-into-ssa.c (struct dom_dfsnum): New.
1215 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1217 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1218 compute_global_livein.
1219 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1220 in phi nodes in the correct blocks.
1222 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1224 PR tree-optimization/28364
1225 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1227 (fold_affine_expr): New function.
1228 (may_eliminate_iv): Use fold_affine_expr.
1230 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1233 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1236 2006-08-16 Mike Stump <mrs@apple.com>
1238 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1239 * doc/cppopts.texi (-MD): Likewise.
1241 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1244 * c-common.c (handle_weak_attribute): Ignore and warn if
1245 not a FUNCTION_ or VAR_DECL.
1247 2006-07-15 Mike Stump <mrs@apple.com>
1250 * c-parser.c (c_parser_typeof_specifier): Don't use
1251 c_finish_expr_stmt, open code desired semantics instead.
1253 2006-08-15 Nick Clifton <nickc@redhat.com>
1255 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1256 fragment to tmake_file only if threads are enabled.
1257 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1258 * config/i386/t-gthr-win32: New file. ... here.
1260 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1263 * c-parser.c (c_parser_compound_statement_nostart): Reset
1264 parser->error after each statement.
1266 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1269 * omp-low.c (lower_omp_parallel): Convert t to
1270 receiver_decl's type.
1271 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1272 source before comparison.
1275 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1276 to itype in assignment to oldival2.
1278 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1282 * c-typeck.c (build_compound_expr): If the second expression
1283 is an error mark, then just return an error mark instead of
1284 creating a COMPOUND_EXPR.
1286 2006-07-14 Mike Stump <mrs@apple.com>
1288 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1290 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1292 * c-decl.c, var-tracking.c: Fix comment typos.
1294 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1296 PR rtl-optimization/28634
1297 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1298 for floating-point modes unless flag_unsafe_math_optimizations.
1300 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1301 Andrew Pinski <pinskia@physics.uc.edu>
1304 * tree.c (build_array_type): Unify array types with
1305 unspecified index_type.
1306 * c-decl.c (grokdeclarator): Make sure we do not modify a
1307 unified incomplete array type.
1308 * c-typeck.c (store_init_value): Create distinct type before
1309 filling in the index type in an initializer from a compound
1312 * c-decl.c (grokdeclarator): Remove code where we copy the
1315 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1317 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1318 into account for TODO_dump_cgraph.
1319 (TODO_update_ssa_no_phi): Likewise.
1320 (TODO_update_ssa_full_phi): Likewise.
1321 (TODO_update_ssa_only_virtuals): Likewise.
1322 (TODO_remove_unused_locals): Likewise.
1323 (TODO_set_props): Likewise.
1324 (TODO_update_stmt_usage): Likewise.
1326 2006-08-13 Dirk Mueller <dmueller@suse.de>
1328 * c-common.c (strict_aliasing_warning): Fix formatting.
1330 2006-08-13 Matthias Klose <doko@debian.org>
1332 * doc/invoke.texi: Fix spelling errors.
1334 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1336 PR rtl-optimization/23454
1337 * reorg.c (relax_delay_slots): Update comment.
1339 2006-08-11 Richard Guenther <rguenther@suse.de>
1342 * simplify-rtx.c (simplify_const_relational_operation):
1343 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1346 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1348 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1349 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1351 2006-08-10 Paul Brook <paul@codesourcery.com>
1353 * final.c (final_scan_insn): Clear current_insn_predicate before
1354 outputting inline asm.
1356 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1358 PR tree-optimization/26197
1359 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1360 get_ref_base_and_extent and overlap_subvar to add only relevant
1361 subvars as may-aliases.
1362 (add_may_alias_for_new_tag): New function, factored out of
1364 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1365 with additional argument.
1366 * tree-flow.h (new_type_alias): Takes additional argument.
1368 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1370 * gcov.c (no_data_file): New flag.
1371 (read_count_file): Set it if data file not present. Assume counts
1373 (output_lines): Don't name the data file, if there wasn't one.
1375 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1377 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1378 (rs6000_generate_compare): Tweak comments.
1379 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1381 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1383 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1384 (var_debug_decl): New function.
1385 (var_reg_set): Follow debug decl link. Add location even if
1386 reg is already known to hold some other variable.
1387 (var_mem_set): Follow debug decl link.
1388 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1389 decl link. Delete other known locations of the variable part
1391 (var_reg_delete, var_mem_delete): Delete other known locations
1392 of the variable part if requested.
1393 (same_variable_part_p): New function.
1394 (add_stores): Select MO_COPY when appropriate.
1395 (vt_initialize): Handle it.
1396 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1397 known locations for MO_SET and MO_CLOBBER.
1398 (find_variable_location_part): New function.
1399 (set_variable_part, delete_variable_part): Use it.
1400 (clobber_variable_part): New function.
1401 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1404 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1406 PR tree-optimization/26969
1407 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1408 with an empty list of PHIs.
1410 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1414 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1417 2006-08-06 Andreas Schwab <schwab@suse.de>
1419 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1420 string. Whitespace and comment fixup.
1422 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1425 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1429 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1432 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1434 2006-08-04 Jan Hubicka <jh@suse.cz>
1438 * reload.c (push_reload): Patch out the mismatching instruction;
1440 (find_reload): Bail out if the instruction was patched out.
1442 2006-08-04 Jan Hubicka <jh@suse.cz>
1444 PR tree-optimization/24888
1445 * tree-inline.c (expand_call_inline): Do not re-record variables.
1446 (declare_inline_vars): Add variable to unexpanded_var_list.
1448 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1449 Roger Sayle <roger@eyesopen.com>
1451 PR rtl-optimization/26244
1452 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1453 inner_const are negative or greater than or equal to the bitsize of
1454 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1455 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1456 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1457 CONST0_RTX (mode) when the new shift count is greater than or equal to
1458 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1461 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1463 * tree-cfg.c: Fix a comment typo.
1465 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1468 * varasm.c (output_constant): Give the front end another chance to
1469 expand constants, after stripping NOPs.
1471 2006-08-03 Jan Hubicka <jh@suse.cz>
1473 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1476 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1478 PR tree-optimization/27770
1479 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1480 declaration removed (moved to tree-flow.h).
1481 (vect_can_force_dr_alignment_p): Likewise.
1482 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1483 (moved from tree-vectorizer.h).
1484 (vect_can_force_dr_alignment_p): Likewise.
1485 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1486 from outside the vectorizer - in particular from cgraph stage.
1487 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1488 the alignment of global arrays when -fsection-anchors is enabled.
1489 * cgraphunit.c (cgraph_increase_alignment): New function.
1490 (cgraph_optimize): Call cgraph_increase_alignment.
1492 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1495 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1496 not reload a SPE symbol_ref into a lo_sum address.
1498 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1501 * dwarf2out.c (prune_unused_types_prune): Move call to
1502 prune_unused_types_update_strings to cover the parent DIE also.
1504 2006-08-02 Jan Hubicka <jh@suse.cz>
1506 PR gcov/profile/28480
1507 * tree-cfg.c (change_bb_for_stmt): New function.
1508 (tree_merge_blocks, tree_split_blocks): Use it.
1510 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1516 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1517 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1518 (cgraph_optimize): Likewise.
1520 2006-08-01 Stuart Hastings <stuart@apple.com>
1522 * rtl.h (UINTVAL) New.
1523 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1524 * testsuite/gcc.dg/20060801-1.c: New.
1526 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1529 * c-typeck.c (build_external_type): Mark used enum types.
1530 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1532 (gen_subprogram_die): Whitespace fix.
1534 2006-08-01 Jan Hubicka <jh@suse.cz>
1536 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1537 bitmap when not needed.
1538 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1541 2006-08-01 Dirk Mueller <dmueller@suse.de>
1543 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1545 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1547 * Makefile.in: Revert part of previous patch:
1548 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1551 2006-07-30 Eric Christopher <echristo@apple.com>
1554 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1555 (PowerPC Variable Attributes): New section.
1557 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1559 PR target/28126 (partial fix)
1560 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1562 2006-07-28 Jan Hubicka <jh@suse.cz>
1564 PR rtl-optimization/28071
1565 * cfgrtl.c (rtl_delete_block): Free regsets.
1566 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1568 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1570 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1571 and variables used in dependencies.
1573 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1575 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1576 %fs for -mcmodel=kernel.
1577 (stack_tls_protect_test_di): Likewise.
1579 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1581 * Makefile.in: Use mkinstalldirs.
1583 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1586 * opts-common.c (prune_options): Skip joined switches.
1588 2006-07-27 Jan Hubicka <jh@suse.cz>
1590 PR rtl-optimization/28071
1591 * cselib.c (cselib_process_insn): Don't remove useless values too
1592 often for very large hashtables.
1594 2006-07-27 Jan Hubicka <jh@suse.cz>
1596 PR rtl-optimization/28071
1597 * global.c (greg_obstack): New obstack.
1598 (allocate_bb_info): Use it.
1599 (free_bb_info): Likewise.
1600 (modify_reg_pav): Likewise.
1602 2006-07-27 Roger Sayle <roger@eyesopen.com>
1604 * builtins.c (fold_fixed_mathfn): When long and long long are the
1605 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1606 functions to their lceil*, lfloor*, lround* and lrint* forms.
1608 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1611 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1613 (rev_branch_insn): Likewise.
1615 2006-07-27 Jan Hubicka <jh@suse.cz>
1617 PR rtl-optimization/28071
1618 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1619 (reg_set_in_bb, max_reg_computed): New static variables.
1620 (regmove_optimize): Free the new array.
1621 (fixup_match_1): Update call of reg_is_remote_constant_p.
1623 2006-07-26 Jan Hubicka <jh@suse.cz>
1625 PR tree-optimization/27882
1626 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1628 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1630 (cgraph_analyze_compilation_unit): Likewise.
1631 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1632 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1633 (cgraph_early_inlinine): Make order garbage collected.
1634 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1636 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1638 * dbxout.c (output_types_sort): Add a comment.
1639 (output_used_types): Free the VEC.
1641 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1643 * function.c (reorder_fix_fragments): Delete.
1644 (reorder_blocks): Don't call it.
1645 (reorder_blocks_1): Put all subblocks under the origin block.
1647 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1649 PR rtl-optimization/27907
1650 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1653 2006-07-25 Roger Sayle <roger@eyesopen.com>
1656 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1657 bar(x) check that bar's result type can represent all the values of T.
1659 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1661 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1663 2006-07-25 Nick Clifton <nickc@redhat.com>
1665 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1666 size_lookup[] array.
1667 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1668 (ggc_pch_count_object): Likewise.
1669 (ggc_pch_alloc_object): Likewise.
1670 (ggc_pch_write_object): Likewise.
1671 (init_ggc): Do not attempt to initialize entries in the
1672 size_lookup[] array for objects whose size is greater than than
1673 the length of the array.
1675 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1677 * dbxout.c (output_used_types_helper): Push queued types
1679 (output_types_sort): New.
1680 (output_used_types): Collect used types on a VEC and sort them
1683 2006-07-24 Richard Guenther <rguenther@suse.de>
1686 * cgraph.c (cgraph_remove_node): Do not check if dumps
1688 * cgraphunit.c (cgraph_optimize): Likewise.
1690 2006-07-24 Jan Hubicka <jh@suse.cz>
1692 PR rtl-optimization/28071
1693 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1694 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1695 splitting before first stmt.
1697 2006-07-24 Jan Hubicka <jh@suse.cz>
1699 PR rtl-optimization/28071
1700 * ipa-inline.c (update_caller_keys): Remove edges that
1701 are no longer inline candidates.
1703 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1706 * dbxout.c (output_used_types_helper, output_used_types): New.
1707 (dbxout_symbol): Call output_used_types.
1709 2006-07-23 Jan Hubicka <jh@suse.cz>
1713 * cgraph.c (cgraph_varpool_nodes): Export.
1714 (decide_is_variable_needed): Ignored "used" attribute in
1715 unit-at-a-time mode.
1716 * cgraph.h (cgraph_varpool_nodes): Declare.
1717 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1718 unit-at-a-time mode.
1720 2006-07-23 Roger Sayle <roger@eyesopen.com>
1723 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1724 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1725 the __gthrw form of thr_keycreate.
1726 (__gthread_key_delete): Silence the unused argument warning.
1728 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1731 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1732 Cache the last found '\0' marker to avoid quadratic behavior.
1734 2006-07-23 Jan Hubicka <jh@suse.cz>
1736 * i386.md (subsi_3_zext): Fix output template.
1738 2006-07-21 Mike Stump <mrs@apple.com>
1740 * doc/invoke.texi (C++ Dialect Options): Note that
1741 -fvisibility-inlines-hidden doesn't affect explicitly
1742 instantiationed inline methods.
1744 2006-07-20 Roger Sayle <roger@eyesopen.com>
1746 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1747 if the target assembler is GNU binutils' gas.
1748 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1749 whether to pass GNU gas or native as command line options.
1751 2006-07-20 Jason Merrill <jason@redhat.com>
1753 * tree.c (remove_attribute): New fn.
1754 * tree.h: Declare it.
1756 2006-07-20 Paul Brook <paul@codesourcery.com>
1759 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1760 they are invalidated by this instruction.
1762 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1765 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1767 2006-07-20 Eric Christopher <echristo@apple.com>
1770 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1772 2006-07-19 Eric Christopher <echristo@apple.com>
1774 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1775 Rewrite dependencies for libgcc_s.1.dylib.
1777 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1779 * except.c (duplicate_eh_regions_1): Clear next_peer.
1781 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1783 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1784 -mlongcall does not guarantee all calls will be long.
1785 * doc/extend.texi (long_call/short_call): Document that longcall
1786 does not guarantee a long call will be used.
1787 (longcall/shortcall): Likewise.
1789 2006-07-18 Roger Sayle <roger@eyesopen.com>
1792 * expmed.c (expand_shift): Additionally check that the shift_cost
1793 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1794 before implementing a LSHIFT_EXPR as a sequence of additions.
1795 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1796 middle-end that DImode shifts need to be synthesized by expand.
1798 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1801 * tree-ssa-operands.c (access_can_touch_variable): Update
1803 Return true if ALIAS is .GLOBAL_VAR.
1805 2006-07-18 David Daney <ddaney@avtrex.com>
1807 * gcc.c (display_help): Fix typo in help text.
1809 2006-07-18 Olivier Hainque <hainque@adacore.com>
1811 * tree.h (categorize_ctor_elements): Adjust prototype and add
1812 descriptive comment, both in accordance with the interface change
1814 * varasm.c (constructor_static_from_elts_p): New function.
1815 Whether a constructor node is a valid static constant initializer
1816 if all its elements are.
1817 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1818 * output.h: Declare it.
1819 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1820 is a valid constant initializer instead of computing the number of
1821 non-constant elements. Use constructor_static_from_elts_p for this
1822 purpose. Replace the head comment with an indication that this is a
1823 helper for categorize_ctor_elements.
1824 (categorize_ctor_elements): Same interface change as for the _1
1825 helper. Former head comment from this helper moved here, adjusted to
1826 account for the interface changes.
1827 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1828 (all_zeros_p): Likewise.
1829 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1830 static versions of the constructor from the categorize_ctor_elements
1831 return value instead of the formerly computed number of non-constant
1834 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1836 * configure: Regenerate.
1837 * Makefile.in (build_libsubdir): New configure substitution
1838 (build_libobjdir): New variable.
1839 (BUILD_LIBIBERTY): Use it.
1841 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1844 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1846 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1849 * c-common.c (handle_weakref_attribute): Ignore attribute in
1850 the same conditions the alias attribute is ignored.
1852 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1854 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1855 (dbxout_begin_prologue): Increment scope_labelno.
1857 2006-07-17 Richard Henderson <rth@redhat.com>
1860 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1863 2006-07-17 Roger Sayle <roger@eyesopen.com>
1864 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1866 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1867 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1868 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1869 functions such as sbrk, write, etc.. Add function prototypes.
1870 Convert function declarations from K&R to ISO C. Cast pointers
1871 to "long" and "unsigned long" instead of "int" and "unsigned int".
1872 Convert tokens following #endif into comments.
1874 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1876 * invoke.texi: Remove mention of f77; Reformat table for
1877 inline parameter options correctly; mention that -malign-double
1878 is default on x86-64 targets.
1880 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1882 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1883 (convert_affine_scev, chrec_convert_aggressive): Use
1884 avoid_arithmetics_in_type_p. Do not check for the subtypes
1887 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1890 * optabs.c (expand_doubleword_shift): Wrap the call to
1891 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1893 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1896 * optabs.c (expand_binop): Pass next_methods rather than methods
1897 to expand_doubleword_shift.
1899 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1902 * tree.h (dump_addr): Declare.
1903 * print-tree.c (dump_addr): New function.
1904 (print_node_brief, print_node): Use it.
1905 * print-rtl.c (print_rtx): Likewise.
1906 * common.opt (-fdump-noaddr): New option.
1907 * doc/invoke.texi (-fdump-noaddr): Document.
1908 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1909 (ve_info_hash): Likewise.
1911 2006-07-13 Andrew Haley <aph@redhat.com>
1913 PR tree-optimization/19505
1914 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1915 edge leaving this block, make sure that the destination of this
1916 block has only one predecessor.
1918 2006-07-17 Richard Guenther <rguenther@suse.de>
1920 PR tree-optimization/28238
1921 * tree-inline.c (copy_bb): Check if we produced valid
1922 gimple copying and substituting a stmt. If not, gimplify
1925 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1927 * optabs.c (maybe_encapsulate_block): New function extracted from...
1928 (emit_libcall_block): ...here. Invoke it on the block of insns to
1929 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1930 (emit_no_conflict_block): Likewise.
1932 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1934 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1936 2006-07-15 Roger Sayle <roger@eyesopen.com>
1938 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1939 a new NOP_EXPR case of the switch statement.
1941 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1944 * stor-layout.c (place_field): Take the bit field with
1945 an excessive size into account in the ms-bitfiled case.
1948 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1949 the previous bit field.
1951 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1954 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1956 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1958 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1959 signal frames correctly even when the signal was installed with
1962 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1964 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1965 (dbxout_function_end): Use local label LFBB. Remove hook
1967 (dbxout_source_line): Use local label LFBB.
1968 (dbxout_block): Likewise.
1969 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1970 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1971 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1972 and DBX_OUTPUT_NFUN.
1974 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1976 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1978 2006-07-13 Jan Hubicka <jh@suse.cz>
1980 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1982 * output.h (align_variable): Declare.
1983 * varasm.c (align_variable): Export.
1984 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1985 when basic block changed.
1987 2006-07-13 Nick Clifton <nickc@redhat.com>
1989 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1990 walking the LOG_LINKS chain.
1992 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1994 * doc/invoke.texi (C++ Dialect Options): Explain difference
1995 between -fvisibility-inlines-hidden and setting hidden
1996 visibility explicitly.
1998 2006-07-12 Eric Christopher <echristo@apple.com>
2000 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2001 (stmp-lipo): Depend on libgcc.a.
2003 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2005 * tree.c: Fix a comment typo.
2007 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2009 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2011 (umulhisi3_r): Likewise.
2013 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2016 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2017 x < 19, vs wchar_t support.
2019 2006-07-12 Nick Clifton <nickc@redhat.com>
2021 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2022 instead of -isa=sh4.
2024 2006-07-12 Mike Stump <mrs@apple.com>
2026 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2028 2006-07-10 Eric Christopher <echristo@apple.com>
2030 * config/t-slibgcc-darwin: Rewrite.
2032 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2035 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2038 2006-07-08 Matthias Klose <doko@debian.org>
2040 * doc/sourcebuild.texi: Fix typo.
2042 2006-07-07 Mike Stump <mrs@apple.com>
2044 * toplev.c (process_options): Don't give -ffunction-sections may
2045 affect debugging warning for Mach-O.
2047 2006-07-07 James E Wilson <wilson@specifix.com>
2049 * config/mips/mips.md (cpu): Add sb1a.
2050 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2051 addition to sb1. Adjust comments to clarify SB-1A differences from
2053 (ir_sb1a_load): New. Modify bypasses to use it.
2054 (ir_sb1a_simple_alu): Likewise.
2055 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2056 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2057 (mips_issue_rate): Add PROCESSOR_SB1A.
2058 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2059 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2060 (TARGET_SB1): Add PROCESSOR_SB1A check.
2061 (TUNE_SB1): Likewise.
2063 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2064 * config/mips/mips.c (mips_store_data_bypass_p): New.
2065 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2066 store_data_bypass_p.
2068 2006-07-08 Paul Brook <paul@codesourcery.com>
2071 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2073 2006-07-07 Richard Guenther <rguenther@suse.de>
2076 * tree.h (build_one_cst): Declare.
2077 * tree.c (build_one_cst): New function.
2078 * tree-ssa-math-opts.c (get_constant_one): Remove.
2079 (insert_reciprocals): Use build_one_cst.
2080 * fold-const.c (fold_plusminus_mult): Likewise.
2082 2006-07-07 Roger Sayle <roger@eyesopen.com>
2084 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2085 * cfgloopanal.c (dump_graph): Likewise.
2086 * dojump.c (discard_pending_stack_adjust): Likewise.
2087 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2089 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2090 * function.c (finalize_block_changes): Likewise.
2091 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2092 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2093 * rtl.c (dump_rtx_statistics): Likewise.
2094 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2096 * varray.c (dump_varray_statistics): Likewise.
2097 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2098 decode_decimal64, encode_decimal128, decode_decimal128,
2099 decimal_real_to_decimal): Likewise.
2101 2006-07-07 Richard Guenther <rguenther@suse.de>
2103 PR tree-optimization/28187
2104 * tree-vrp.c (vrp_operand_equal_p): New function.
2105 (vrp_bitmap_equal_p): Likewise.
2106 (update_value_range): Use them to compare old and new
2109 2006-07-06 Roger Sayle <roger@eyesopen.com>
2111 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2112 a default case to switch statement to silence compiler warnings.
2114 2006-07-06 Roger Sayle <roger@eyesopen.com>
2117 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2118 the configured assembler supports the x87's ffreep mnemonic.
2119 * configure: Regenerate.
2120 * config.in: Regenerate.
2122 * config/i386/i386.c (output_387_ffreep): New function.
2123 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2124 (output_387_reg_move): Likewise.
2126 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2128 Port to hosts whose 'sort' and 'tail' implementations
2129 treat operands with leading '+' as file names, as POSIX
2130 has required since 2001. However, make sure the code still
2131 works on pre-POSIX hosts.
2132 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2133 which says you should use "tail -c +N" rather than "tail +Nc".
2134 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2136 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2138 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2141 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2144 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2145 PRE_{INC,DEC} of TFmode.
2147 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2148 Alan Modra <amodra@bigpond.net.au>
2151 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2154 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2157 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2158 Remove duplicate gtu.
2160 2006-07-05 Jason Merrill <jason@redhat.com>
2164 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2165 * c-common.c (handle_packed_attribute): So don't copy it here.
2166 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2168 2006-07-05 Mike Stump <mrs@apple.com>
2170 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2172 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2175 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2177 2006-07-05 Richard Guenther <rguenther@suse.de>
2180 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2181 TARGET_SSE2 targets if using SSE math.
2182 (*absdf2_1): Likewise.
2184 2006-07-05 Richard Guenther <rguenther@suse.de>
2186 PR tree-optimization/28162
2187 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2188 make sure to convert the operands to the correct type.
2190 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2192 PR tree-optimization/28218
2194 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2195 to calculate and free the dominator information.
2197 2006-07-04 Peter O'Gorman <peter@pogma.com>
2199 * mklibgcc.in: chmod 644 before ranlib during install.
2201 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2202 J"orn Rennecke <joern.rennecke@st.com>
2204 * configure.ac (.eh_frame data check): Use diff -b.
2206 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2209 * Makefile.in (BUILD_RTL): Add build/vec.o.
2210 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2211 (build/genextract): Delete.
2212 (build/genautomata): Likewise.
2214 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2217 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2218 128-bit IBM long doubles for ABI_V4.
2220 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2222 * tree.c (range_in_array_bounds_p): New predicate.
2223 * tree.h (range_in_array_bounds_p): Declare it.
2224 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2225 return a less conservative answer.
2226 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2227 and flag 'is_group'.
2228 (IS_ELEMENT_FOR_GROUP): New macro.
2229 (FOR_EACH_ACTUAL_CHILD): Likewise.
2230 (next_child_for_group): New helper function.
2231 (can_completely_scalarize_p): Take into account groups.
2232 (sra_hash_tree): Handle RANGE_EXPR.
2233 (sra_elt_eq): Likewise.
2234 (lookup_element): Be prepared for handling groups.
2235 (is_valid_const_index): Delete.
2236 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2237 instead of is_valid_const_index.
2238 <ARRAY_RANGE_REF>: New case.
2239 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2240 is_valid_const_index.
2241 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2242 (scan_dump): Dump info for groups too.
2243 (decide_instantiation_1): Likewise.
2244 (decide_block_copy): Assert that the element is not a group.
2245 Propagate decision to groups.
2246 (generate_one_element_ref): Handle RANGE_EXPR.
2247 (mark_no_warning): Iterate over actual childs.
2248 (generate_copy_inout): Likewise.
2249 (generate_element_copy): Likewise.
2250 (generate_element_zero): Likewise.
2251 (generate_element_init_1): Likewise.
2252 (dump_sra_elt_name): Handle RANGE_EXPR.
2254 2006-07-03 Roger Sayle <roger@eyesopen.com>
2256 PR tree-optimization/26251
2257 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2258 (thread_block): When optimizing for size refuse to thread jumps
2259 that would require duplication of blocks other than redirection
2262 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2264 * configure.ac: Fix thinko in previous check-in.
2265 * configure: Regenerate.
2267 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2270 * configure.ac (for lang...): Simplify nesting of conditionals.
2271 Test subdir_requires for non-enabled languages. Move processing
2272 of lang_opt_files and lang_tree_fiels below that test.
2273 * configure: Regenerate.
2274 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2276 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2278 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2280 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2282 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2285 2006-06-29 Jason Merrill <jason@redhat.com>
2292 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2293 * c-common.c (c_determine_visibility): Handle it here.
2294 * c-decl.c (finish_decl): Call c_determine_visibility for
2296 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2298 * varasm.c (default_assemble_visibility): Likewise.
2299 * c-common.c (handle_visibility_attribute): Complain about trying
2300 to give visibility to an already defined class, or trying to change
2301 declared visibility. Always attach the attribute.
2306 * attribs.c (decl_attributes): Ignore type-in-place attributes
2307 once the type has been defined.
2309 2006-06-29 Roger Sayle <roger@eyesopen.com>
2312 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2313 to indicate the cpplib has issued an error message for us.
2315 2006-06-29 Asher Langton <langton2@llnl.gov>
2318 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2319 insert a label at the end of an function under Mach-O.
2321 2006-06-29 Eric Christopher <echristo@apple.com>
2322 Evan Cheng <evan.cheng@apple.com>
2324 * predicates.md (vector_all_ones_operand): New.
2325 (nonimmediate_or_sse_const_operand): Ditto.
2326 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2327 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2328 (standard_sse_mode_p): Ditto.
2329 (standard_sse_constant_p): Add case for -1 vector.
2330 (ix86_expand_vector_move): Try to use.
2331 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2332 Call standard_sse_constant_opcode.
2333 (*movv4sf_internal): Ditto.
2334 (*movv2df_internal): Ditto.
2336 2006-06-29 Roger Sayle <roger@eyesopen.com>
2338 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2339 of XEXP to extract the operands of a MATCH_CODE rtx.
2341 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2343 * tree.c (tree_size): Do not waste tail padding in
2344 struct tree_string and make the size be the same as
2345 build_string will generate.
2347 2006-06-28 Jason Merrill <jason@redhat.com>
2350 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2351 may_aliases already in the tag's annotations to the bitmap.
2353 2006-06-28 Roger Sayle <roger@eyesopen.com>
2355 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2357 2006-06-28 Roger Sayle <roger@eyesopen.com>
2359 * genpreds.c (generate_switch_p): New function.
2360 (add_mode_tests): Push the new mode test down inside an AND expr
2361 if this allows the switch-suitable MATCH_CODE to be near the root.
2362 (write_match_code_switch): New function to write a MATCH_CODE as
2364 (write_predicate_stmts): New function to write a predicate RTX
2365 expression as a sequence of statements.
2366 (write_one_predicate_function): Use write_predicate_stmts.
2367 (write_tm_constrs_h): Likewise.
2369 2006-06-26 Fred Fish <fnf@specifix.com>
2371 * config/mips/t-sb1: New file.
2372 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2375 2006-06-26 DJ Delorie <dj@redhat.com>
2377 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2379 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2380 Jayant Sonar <jayants@kpitcummins.com>
2381 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2383 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2384 (subsi3, subsi3_1, subsi3_2): New.
2385 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2386 * config/m32c/mov.md (SI mov peephole): New.
2387 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2388 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2390 2006-06-26 Olivier Hainque <hainque@adacore.com>
2392 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2393 a CALL_EXPR target function declaration.
2395 2006-06-26 Richard Guenther <rguenther@suse.de>
2397 * tree.c (build_string): Do not waste tail padding in
2400 2006-06-26 Richard Guenther <rguenther@suse.de>
2402 * ggc-page.c (init_ggc): Add missing element to size_lookup
2406 2006-06-23 Richard Guenther <rguenther@suse.de>
2408 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2409 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2410 alignment requests instead. Add verification code.
2411 Add struct tree_function_decl and struct tree_binfo size to
2412 extra_order_size_table. Add missing element to size_lookup
2415 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2418 * fold-const.c (const_binop): Be prepared for self returning zero.
2419 Simplify code handling complex values.
2421 2006-06-24 Olivier Hainque <hainque@adacore.com>
2423 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2424 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2427 2006-06-24 Olivier Hainque <hainque@adacore.com>
2429 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2430 ARRAY_REF, so have the callback called for the low bound expression.
2432 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2434 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2435 * c-typeck.c (c_common_type): Disallow operations on decimal float
2436 types and other float types.
2437 * convert.c (convert_to_real): Don't ignore conversions involving
2438 decimal float types.
2440 2006-06-23 Olivier Hainque <hainque@adacore.com>
2442 * tree.c (max_int_size_in_bytes): New function, inspired from
2443 code in function.c:assign_temp.
2444 * tree.h (max_int_size_in_bytes): Declare.
2445 * function.c (assign_temp): Use it.
2446 * gimplify.c (create_tmp_var): Relax the assertions on the type
2447 properties, not mandating constant size any more.
2448 (force_constant_size): New static function.
2449 (gimple_add_tmp_var): Use it, forcing variable size to a
2450 constant upper bound if it is not constant on entry.
2452 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2455 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2456 for initialization and setting of one_only flag to ...
2457 (i386_pe_encode_section_info): ...here.
2458 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2459 Recheck that the symbol has not been defined.
2461 2006-06-23 Richard Guenther <rguenther@suse.de>
2463 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2464 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2465 alignment requests instead. Add verification code.
2466 Add struct tree_function_decl and struct tree_binfo size to
2467 extra_order_size_table. Add missing element to size_lookup
2470 2006-06-22 Roger Sayle <roger@eyesopen.com>
2471 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2474 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2475 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2477 2006-06-23 Ben Elliston <bje@au.ibm.com>
2479 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2480 negate dn -- manipulate it directly.
2482 2006-06-22 Roger Sayle <roger@eyesopen.com>
2483 Steven Bosscher <stevenb.gcc@gmail.com>
2486 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2487 generated by gen_move_insn to add REG_LABEL notes if necessary.
2489 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2491 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2492 (leaf_entry): Remove use of MIN_ESA.
2494 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2496 PR rtl-optimization/28121
2497 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2500 2006-06-21 DJ Delorie <dj@redhat.com>
2502 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2504 (mulhisi3_r): Likewise.
2506 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2509 * coverage.c (coverage_counter_alloc): Leave the index type
2511 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2514 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2516 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2517 section from the "Options for Code Generation Conventions".
2519 2006-06-21 Richard Henderson <rth@redhat.com>
2523 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2525 (global_symbolic_operand): Allow weak symbols, even if local_p.
2527 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2529 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2530 (find_interesting_uses_address): Punt if above function returns true.
2532 2006-06-21 Richard Guenther <rguenther@suse.de>
2534 * configure: Regenerated.
2536 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2538 * config/mips/mips.c (function_arg): Where one part of a
2539 complex argument is in registers and the other part in the stack,
2540 return a REG not a PARALLEL.
2542 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2544 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2545 when cross-compiling. Do not substitute libstdcxx_incdir.
2546 * configure: Regenerated.
2548 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2550 * varasm.c (mergeable_string_section): Check for embedded NULs and
2551 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2552 rather than TREE_STRING_LENGTH bytes.
2554 2006-06-21 Richard Guenther <rguenther@suse.de>
2556 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2557 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2560 2006-06-21 Richrad Guenther <rguenther@suse.de>
2562 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2563 Limit iteration over the dominators.
2565 2006-06-20 Roger Sayle <roger@eyesopen.com>
2567 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2568 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2570 2006-06-20 Richard Guenther <rguenther@suse.de>
2571 Michael Matz <matz@suse.de>
2573 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2575 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2576 * et-forest.h (et_free_pools): Prototype new function.
2577 * et-forest.c (et_free_tree_force): Free parent occurrence.
2578 (et_free_pools): New function.
2579 * dominance.c (free_dominance_info): Free et-forest alloc
2582 2006-06-20 Roger Sayle <roger@eyesopen.com>
2584 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2585 integer modes, attempt to directly construct an integer constant.
2587 * fold-const.c (native_encode_vector): Determine the size of each
2588 element from the vector type instead of the first vector element.
2590 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2591 if all of its elements/components are constant.
2592 (build_constructor_from_list): Likewise.
2594 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2596 PR tree-optimization/27331
2597 * tree-data-ref.c (free_data_ref): New function.
2598 (create_data_ref): Fail if the data reference has unknown access
2600 (free_data_refs): Use free_data_ref.
2602 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2605 * tree-inline.c (setup_one_parameter): Strip useless
2606 type conversion before adding it to the IR.
2607 (declare_return_variable): Likewise.
2609 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2612 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2614 2006-06-19 Mike Stump <mrs@apple.com>
2616 * tree.c (variably_modified_type_p): VM arguments don't make the
2619 2006-06-19 Richard Guenther <rguenther@suse.de>
2621 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2622 type conversions after folding.
2624 2006-06-19 Richard Guenther <rguenther@suse.de>
2626 * ggc-page.c (extra_order_size_tab): Add entries with
2627 size of struct function and basic_block.
2628 (size_lookup): Extend to cover sizes up to 511.
2629 (ggc_alloc_stat): Adjust user.
2630 (ggc_pch_count_object): Likewise.
2631 (ggc_pch_alloc_object): Likewise.
2632 (ggc_pch_write_object): Likewise.
2634 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2636 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2637 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2640 2006-06-19 Denis Chertykov <denisc@overta.ru>
2642 * config/avr/libgcc.S : Correct my wrong previous commit.
2644 2006-06-19 Roger Sayle <roger@eyesopen.com>
2647 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2648 have stripped a SUBREG from the shift count, so we may need to
2649 convert_to_mode back to the type's mode before calling make_tree.
2650 Use new_amount instead of amount to avoid expanding a tree twice.
2652 2006-06-19 Richard Guenther <rguenther@suse.de>
2655 * fold-const.c (operand_equal_p): Check if the argument types
2656 have the same precision before stripping NOPs.
2658 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2660 Fix PR tree-optimization/27341
2661 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2663 * tree-complex.c (pass_lower_complex): Update SMT usage.
2665 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2667 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2668 Add a new alternative to the constraint strings. Add move of
2669 operand 1 to 3 to the splitter definition.
2670 ("doloop_si_long"): Second contraint alternative removed.
2672 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2674 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2675 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2677 (AVR_HAVE_MOVW) Define.
2678 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2679 (ASM_SPEC): Add avr25.
2680 (LINK_SPEC): Add avr25.
2681 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2682 (base_arch_s): Add new member 'have_movw_lpmx'.
2683 (avr_arch_types): Init 'have_movw_lpmx'.
2684 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2685 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2686 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2687 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2688 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2690 (avr_file_start): Do not output '.arh' derective.
2691 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2692 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2693 * config/avr/avr.md (mcu_enhanced): Delete.
2694 (mcu_have_movw): Define.
2695 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2696 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2697 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2698 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2699 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2700 attiny861 and at86rf401 devices.
2702 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2704 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2707 2006-06-17 Karl Berry <karl@gnu.org>
2709 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2710 doc/gccint.texi, doc/install.texi (@dircategory): Use
2711 "Software development" instead of "Programming", following
2712 the Free Software Directory.
2714 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2716 * config/i386/i386.c (legitimate_tls_address)
2717 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2718 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2719 (*tls_dynamic_gnu2_combine_64): Likewise.
2721 2006-06-16 Richard Guenther <rguenther@suse.de>
2724 * fold-const.c (negate_expr_p): Do not introduce undefined
2725 overflow in negating INTEGER_CSTs.
2726 (fold_negate_expr): Rename from negate_expr. Revert last
2727 change for folding BIT_NOT_EXPR. Change semantics to
2728 return NULL_TREE for non-simplified negations. Do not
2729 strip type conversions and unify type handling.
2730 (negate_expr): New function, wrap around fold_negate_expr
2731 but ensure building a tree always. Strip type conversions
2732 here, fold to result type.
2733 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2735 2006-06-16 Roger Sayle <roger@eyesopen.com>
2738 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2739 that (would) return their results in stack registers.
2741 2006-06-16 Michael Matz <matz@suse.de>
2742 Richard Guenther <rguenther@suse.de>
2744 * fold-const.c (fold_truthop): Only return new tree node if
2745 we canonicalized something.
2747 2006-06-16 Richard Guenther <rguenther@suse.de>
2749 * function.h (enum function_frequency): Move declaration
2750 out of struct function.
2751 (struct function): Move bool fields and the enum to the bitfield
2752 section. Reorder elements to avoid padding. Remove unused
2753 fields left over from the RTL inliner removal.
2754 * function.c (free_after_compilation): Do not zero removed fields.
2755 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2756 (ipa-type-escape.o): Likewise.
2758 2006-06-16 Richard Guenther <rguenther@suse.de>
2760 * cgraph.h (struct cgraph_local_info): Turn bool elements
2762 (struct cgraph_node): Likewise.
2763 (struct cgraph_varpool_node): Likewise.
2765 2006-06-15 Richard Guenther <rguenther@suse.de>
2767 * fold-const.c (fold_truth_not_expr): Rename from
2768 invert_truthvalue. Give it fold_* semantics to avoid
2770 (invert_truthvalue): New function. Wrapper around
2771 fold_truth_not_expr.
2772 (optimize_minmax_comparison): Avoid creating garbage.
2773 (fold_unary): Use fold_truth_not_expr for folding
2775 (fold_ternary): Replace uses of invert_truthvalue with
2776 fold_truth_not_expr where applicable.
2777 * tree.h (fold_truth_not_expr): Prototype.
2779 2006-06-16 Richard Guenther <rguenther@suse.de>
2781 PR tree-optimization/27781
2782 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2783 * ipa-pure-const.c (target.h): Include.
2784 (analyze_function): Do not analyze functions that do not
2787 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2790 * tree-dfa.c (referenced_vars_dup_list): Remove.
2791 (find_referenced_vars): Remove assert.
2792 (referenced_var_check_and_insert): Replace dup list with assert.
2793 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2794 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2796 2006-06-15 Richard Guenther <rguenther@suse.de>
2798 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2799 extra unused identifiers if not dumping.
2800 (create_variable_info_for): Likewise.
2802 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2804 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2805 (derive_constant_upper_bound): Derive more precise upper bound in
2806 common cases. Return type changed to double_int.
2807 (record_estimate): Reflect the changed return type of
2808 derive_constant_upper_bound.
2809 * double-int.c (double_int_zext, double_int_sext): Fix.
2811 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2813 * configure.ac (CFLAGS): Get them from the toplevel or from the
2814 configure invocation.
2815 * configure: Regenerate.
2816 * Makefile.in (CFLAGS): Substitute value provided by configure.
2818 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2821 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2822 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2823 rather than calling add_stmt on it.
2824 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2826 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2829 * reload1.c (reload): Remove registers returned by update_eliminables
2830 from used_spill_regs.
2832 2006-06-13 DJ Delorie <dj@redhat.com>
2834 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2836 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2838 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2839 html__strip_dir, html__mkdir_p. Enhance install-html target.
2840 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2841 * configure: Regenerate.
2843 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2845 * fold-const.c (fold_cond_expr_with_comparison): Check for
2846 Objective-C++ as language in deciding COND_EXPR transformation.
2848 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2851 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2852 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2853 * config/sh/lib1funcs.h (SL, SL1): Define.
2854 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2855 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2856 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2857 (OBJS_Os_4_200): New variable.
2858 ($(T)libgcc-Os-4-200.a): Use it.
2859 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2860 when dividing 1 and/or by 0.
2862 2006-06-13 Roger Sayle <roger@eyesopen.com>
2864 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2865 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2866 * configure: Regenerate.
2868 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2870 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2871 for real instruction.
2873 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2876 * haifa-sched.c (check_cfg): Handle special case.
2878 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2881 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2882 Add debug_info parameter. Chain the vars to the BLOCK instead
2883 of the BIND_EXPR if debug info are requested for them.
2884 (pop_gimplify_context): Adjust for above change.
2885 (gimple_add_tmp_var): Likewise.
2886 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2888 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2889 (convert_local_reference): Likewise.
2890 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2891 (finalize_nesting_tree_1): Request that debug info be emitted
2892 for debug_var_chain.
2894 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2896 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2897 for PR target/27863.
2899 2006-06-13 Richard Guenther <rguenther@suse.de>
2902 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2904 2006-06-13 Richard Guenther <rguenther@suse.de>
2906 PR tree-optimization/27830
2907 * tree-inline.c (copy_body_r): For copying the operand
2908 of an ADDR_EXPR make sure to fold &* afterwards.
2910 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2912 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2913 lvalues in the fb_none case with side-effects.
2915 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2917 * tree-flow.h: Remove the prototype for
2918 compute_phi_arg_on_exit.
2919 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2920 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2923 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2925 * builtins.c (expand_builtin_return_addr): Only use
2926 frame_pointer_rtx when count == 0 and we are expanding
2927 __builtin_return_address.
2929 2006-06-12 Fred Fish <fnf@specifix.com>
2931 * config/mips/mips.c (mips_file_start): Create special section
2932 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2934 2006-06-11 Eric Christopher <echristo@apple.com>
2937 * stor-layout.c (place_field): Remove check for
2938 remaining_in_alignment when aligning at the end of a run.
2940 2006-06-11 Eric Christopher <echristo@apple.com>
2943 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2946 2006-06-11 Roger Sayle <roger@eyesopen.com>
2949 Revert incorrect fix for PR target/27158
2950 2006-05-08 Roger Sayle <roger@eyesopen.com>
2951 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2952 of a reg_equiv_constant if the result is a legitimate constant.
2954 2006-06-11 Roger Sayle <roger@eyesopen.com>
2957 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2958 extract a CONST_VECTOR element and interpret it as an integer.
2959 (vspltis_constant): Use const_vector_elt_as_int instead of the
2960 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2961 * config/rs6000/predicates.md (easy_vector_const): Consider
2962 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2964 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2967 * stor-layout.c (update_alignment_for_field): Don't add extra
2968 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2971 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2973 * config/mips/t-rtems: Add EL/EB multilib variants.
2975 2006-06-09 Mike Stump <mrs@apple.com>
2977 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2979 2006-06-09 David Daney <ddaney@avtrex.com>
2981 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2983 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2985 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2987 2006-06-09 Richard Guenther <rguenther@suse.de>
2989 PR tree-optimization/26998
2990 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2991 of signed types, only TYPE_MIN_VALUE is special, but for both,
2992 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2993 in this case, as is -fwrapv.
2995 2006-06-08 Mike Stump <mrs@apple.com>
2998 * config/darwin.c (darwin_asm_output_anchor): Disable
2999 -fsection-anchors on darwin for now.
3000 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3001 * rs6000/rs6000.c (optimization_options): Likewise.
3003 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3006 * config/i386/i386.c (classify_argument): Skip fields with invalid
3009 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3011 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3012 (cse_insn): Likewise for the stack_pointer_rtx.
3014 2006-06-08 Roger Sayle <roger@eyesopen.com>
3016 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3017 conditions from floating point comparisons.
3019 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3022 * expmed.c (struct alg_hash_entry): Fix type of field T
3023 to match synth_mult argument.
3024 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3026 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3029 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3032 2006-06-08 Richard Guenther <rguenther@suse.de>
3035 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3036 only, if overflow is defined and not trapping.
3037 (negate_expr): Likewise.
3039 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3041 PR tree-optimization/27872
3042 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3043 flag on the new exit edge of the unrolled loop.
3045 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3047 PR rtl-optimization/26449
3048 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3050 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3053 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3054 referenced_variables with matching DECL_UID's.
3055 (find_referenced_vars): Make sure duplicate list is empty to start.
3056 (referenced_var_p): Remove.
3057 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3058 Check if var is in the list, and add if needed. Update the duplicate
3059 list if a different var is in the list with the same DECL_UID.
3060 (add_referenced_var): Call routine to check and insert.
3061 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3062 * tree-flow.h (referenced_vars_dup_list): External declaration.
3064 2006-06-07 Fred Fish <fnf@specifix.com>
3066 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3069 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3072 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3073 the imaginary and real parts of a clobbered register.
3074 Emit insn to set the imaginary part.
3076 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3078 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3079 in lieu of unwind-dw2-fde.c.
3081 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3083 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3085 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3088 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3089 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3090 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3091 V4SImode temporaries and operations instead.
3093 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3095 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3098 2006-06-06 Mike Stump <mrs@apple.com>
3100 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3101 installing during build.
3103 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3105 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3107 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3108 * config/ia64/ia64.c (params.h): New header.
3109 (ia64_optimization_options): New function to adjust parameters.
3110 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3111 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3112 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3114 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3116 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3118 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3121 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3123 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3124 Victor Kaplansky <victork@il.ibm.com>
3126 PR tree-optimization/26360
3127 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3130 2006-06-04 Roger Sayle <roger@eyesopen.com>
3131 Andrew Pinski <pinskia@physics.uc.edu>
3134 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3135 for LABEL_DECL before calling DECL_WEAK.
3138 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3139 LABEL_DECL and PARM_DECL.
3141 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3145 * c-decl.c (grokdeclarator): Disallow variably modified types at
3146 file scope. Avoid marking shared array type of constant size as
3149 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3152 * c-common.c (fold_offsetof_1): Handle static members.
3154 2006-06-04 Eric Christopher <echristo@apple.com>
3156 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3157 (debug_rli): Output value for remaining_in_alignment.
3158 (update_alignment_for_field): Unconditionalize
3159 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3160 extra alignment code.
3161 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3162 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3163 * tree.h (record_layout_info_s): Remove prev_packed.
3164 * doc/extend.texi (ms_struct): Add documentation of format.
3166 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3168 * tree.h: Declare folding_initializer.
3169 * builtins.c (fold_builtin_constant_p): Give definite answer
3170 if folding inside an initializer.
3171 * fold-const.c: Define folding_initializer.
3172 (START_FOLD_INIT): Save and then set folding_initializer.
3173 (END_FOLD_INIT): Restore folding_initializer.
3175 2006-06-04 Richard Guenther <rguenther@suse.de>
3177 PR tree-optimization/27039
3178 * fold-const.c (fold_comparison): Handle pointer comparison
3179 again for all comparison codes. Compare offsets in signed
3181 (fold_binary): Move code from here.
3183 2006-06-03 Roger Sayle <roger@eyesopen.com>
3186 * config/i386/i386.c (construct_container): Split static issued_error
3187 flag into issued_sse_arg_error, issued_sse_ret_error and
3188 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3189 requires the use of x87 registers and the user explicitly
3190 specified the -mno-80387 command line option.
3192 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3194 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3195 HAVE_DECL_SIGALTSTACK.
3197 (segv_handler): Use MC_FLD.
3198 * configure.ac: Check for a sigaltstack declaration.
3199 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3200 * configure: Regenerate.
3201 * config.in: Regenerate.
3203 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3206 * Makefile.in (stmp-fixinc): Fix typo.
3208 2006-06-02 Roger Sayle <roger@eyesopen.com>
3210 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3211 are type correct. Clean-up.
3212 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3213 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3215 2006-06-01 DJ Delorie <dj@redhat.com>
3217 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3218 shift, as we've disabled the "switch" insn that needs it.
3220 2006-06-01 Per Bothner <bothner@bothner.com>
3222 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3223 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3224 * c-ppoutput.c (cb_define): Don't increment line 0.
3226 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3228 * doc/invoke.texi: Add cpu_type power6.
3229 * config.gcc: Add cpu_type power6.
3230 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3231 to power5+ with Altivec.
3232 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3233 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3235 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3237 * config/avr/avr.h (SET_ASM_OP): Define.
3239 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3241 * config/bfin/bfin.c: Fix comment typos.
3243 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3246 * doc/install.texi: Document --enable-bootstrap and
3247 --disable-bootstrap.
3249 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3251 * doc/install.texi: Document that InfoZIP can replace jar.
3253 2006-05-31 Roger Sayle <roger@eyesopen.com>
3255 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3256 isn't available, directly generate the simpler x87 patterns without
3257 the (use (const_int 0)).
3258 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3259 implementation isn't available.
3260 (*negdf2_1): Likewise.
3261 (*negxf2_1): XF mode negation is always done using the x87.
3262 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3264 2006-05-31 Roger Sayle <roger@eyesopen.com>
3266 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3267 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3269 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3271 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3273 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3274 * config/bfin/bfin.c (basic-block.h): Include.
3275 (struct machine_function): New.
3276 (bfin_init_machine_status): New.
3277 (override_options): Initialize init_machine_status.
3278 (bfin_hardware_loop): New.
3279 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3280 (DEF_VEC_P (loop_info)): New.
3281 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3282 (struct loop_info): New.
3283 (loop_info): New typedef.
3284 (struct loop_work): New.
3285 (loop_work): New typedef.
3286 (DEF_VEC_O (loop_work)): New.
3287 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3288 (bfin_dump_loops): New.
3289 (bfin_bb_in_loop): New.
3290 (bfin_scan_loop): New.
3291 (bfin_optimize_loop): New.
3292 (bfin_reorg_loops): New.
3293 (bfin_reorg): Use bfin_reorg_loops.
3294 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3296 (I_REGNO_P): Simplify.
3297 (DP_REGNO_P, DPREG_P): New macros.
3298 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3299 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3300 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3301 Add LT_REGS, LC_REGS, LB_REGS.
3302 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3304 (REGNO_REG_CLASS): Deal with loop registers.
3305 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3307 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3308 New constants for loop registers.
3309 (UNSPEC_LSETUP_END): New.
3310 (seq_insns): New define_attr. Set it for appropriate insns.
3311 (movsi_insn): Add alternatives for move from/to
3312 loop count registers.
3313 (doloop_end): New define_expand.
3314 (loop_end): New define_insn.
3315 (define_split for bad doloop_end): New.
3316 (lsetup_with_autoinit): New define_insn.
3317 (lsetup_without_autoinit): New define_insn.
3318 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3319 * config/bfin/predicates.md (lc_register_operand): New.
3320 (lt_register_operand): New.
3321 (lb_register_operand): New.
3322 (nondp_register_operand): New.
3323 (nondp_reg_or_memory_operand): New.
3324 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3326 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3328 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3329 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3331 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3333 * Makefile.in (CATALOGS): Add po/ prefix.
3334 * configure: Regenerated.
3336 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3339 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3340 a shift operand before calling shift_op. Avoid redundant call of
3343 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3344 DJ Delorie <dj@redhat.com>
3346 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3347 we're inserting is a singlt-bit constant.
3349 2006-05-30 Roger Sayle <roger@eyesopen.com>
3351 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3352 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3354 2006-05-30 Roger Sayle <roger@eyesopen.com>
3356 PR tree-optimization/23452
3357 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3358 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3359 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3360 complex values and with -ffast-math for FP complex values.
3362 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3364 * c-common.h: Remove the prototype for yyparse.
3365 * rtl.h: Remove the prototype for init_loop.
3367 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3369 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3372 2006-05-30 Roger Sayle <roger@eyesopen.com>
3374 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3376 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3377 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3379 2006-05-30 Dirk Mueller <dmueller@suse.de>
3382 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3383 for CONSTANT_CLASS_P expresisons.
3385 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3388 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3390 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3392 PR tree-optimization/27779
3393 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3394 initial_condition instead of CHREC_LEFT.
3396 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3398 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3399 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3400 Make prototypes ISO C90.
3402 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3403 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3405 * see.c (see_analyze_one_def): Correct check.
3406 (see_get_extension_data): Check if extension is parallel.
3407 (see_get_extension_reg): Likewise.
3409 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3412 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3413 into register for (code == GTU).
3415 2006-05-29 Roger Sayle <roger@eyesopen.com>
3417 PR tree-optimization/24964
3418 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3419 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3420 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3421 abs(x)*abs(x) as x*x for scalar floating point modes.
3423 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3426 * lambda-code.c (perfect_nestify): Don't copy statements
3427 in the inner loop: move them to the inner loop header.
3429 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3432 * c-tree.texi: Document OpenMP directives and clauses.
3434 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3436 * varasm.c (globalize_decl): Fix indentation.
3438 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3441 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3442 pass_fre, pass_store_ccp, pass_copy_prop,
3443 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3444 pass_return_slot, pass_object_size, pass_lim,
3445 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3446 pass_loop_prefetch and pass_stdarg.
3448 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3450 * config/bfin/bfin.opt (mfdpic): New option.
3451 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3452 (EXTRA_MULTILIB_PARTS): Likewise.
3453 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3454 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3456 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3457 (CRT_CALL_STATIC_FUNCTION): New.
3458 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3460 (CRT_CALL_STATIC_FUNCTION): New.
3461 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3463 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3464 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3465 (initialize_trampoline): Changed to handle FD-PIC code generation.
3466 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3467 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3468 (override_options): Disallow -mid-shared-library -mfdpic combination.
3469 Can't do unaligned ops if FD-PIC.
3470 Turn off flag_pic if trying to generate non-id-shared-library
3471 non-fdpic code, since it's not supported.
3472 (bfin_assemble_integer): New function.
3473 (TARGET_ASM_INTEGER): Define.
3474 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3476 * config/bfin/crtn.s: Restore them.
3477 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3479 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3480 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3481 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3482 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3483 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3485 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3486 FDPIC_REGS and FDPIC_FPTR_REGS.
3487 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3488 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3489 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3490 (load_funcdescsi): New pattern.
3491 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3492 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3493 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3495 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3497 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3500 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3502 * tree-flow.h: Remove the prototype for add_type_alias.
3503 * tree-ssa-alias.c (add_type_alias): Remove.
3505 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3507 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3508 config/fr30/fr30.md, config/i386/i386-interix.h,
3509 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3510 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3511 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3512 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3513 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3514 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3515 Follow spelling conventions.
3516 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3517 Follow spelling conventions.
3519 2006-05-27 Richard Guenther <rguenther@suse.de>
3522 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3523 to produce a constant of value 1 of generic type.
3525 2006-05-27 Dirk Mueller <dmueller@suse.de>
3527 * cgraphunit.c (decide_is_function_needed): Fix wrong
3530 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3532 PR rtl-optimization/27661
3533 * reload.c (find_reloads): When reloading a VOIDmode constant
3534 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3535 use Pmode as mode of the reload register.
3537 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3539 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3540 is enabled at -O and above.
3542 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3545 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3548 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3551 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3552 for anonymous variables explicitly declared by front ends.
3554 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3556 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3557 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3558 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3559 ref-all pointers, run a finalization pass for them.
3560 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3561 (finalize_ref_all_pointers): New function.
3562 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3563 regular pointer type to a ref-all pointer type.
3564 (get_tmt_for): Return the special memory tag for ref-all pointers.
3566 2006-05-25 Richard Guenther <rguenther@suse.de>
3569 * fold-const.c (fold_binary): Do not look at the stripped
3570 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3572 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3574 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3575 for LT and GT if the computed range is effectively empty.
3577 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3580 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3581 mips_quad_format formats instead of ieee_single_format,
3582 ieee_double_format and ieee_quad_format formats, respectively.
3584 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3586 PR tree-optimization/27639
3587 PR tree-optimization/26719
3588 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3589 call to scev_probably_wraps_p.
3590 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3591 used_in_pointer_arithmetic_p, convert_step): Removed.
3592 (nowrap_type_p): New function.
3593 (scev_probably_wraps_p): Rewritten.
3594 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3595 chrec_convert if chrec_convert_aggressive might have been used.
3596 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3597 scev_direction): New functions.
3598 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3599 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3600 instead of convert_step.
3601 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3602 (convert_step): Declaration removed.
3603 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3605 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3607 * df-core.c: Added to header comments.
3608 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3609 df_ur_bb_info, df_urec_bb_info): Added comments.
3610 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3611 urec, ri problems): Fixed header comments.
3612 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3613 code from df_rd_transfer_function.
3615 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3617 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3618 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3619 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3621 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3623 * expr.c (undefined_operand_subword_p): New.
3624 (emit_move_multi_word): Do not generate move from undefined bits
3625 of a paradoxical subreg.
3627 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3629 PR rtl-optimization/27736
3630 * combine.c (replaced_rhs_value): New variable.
3631 (combine_instructions): Set it.
3632 (distribute_notes): When distributing a note in replaced_rhs_insn,
3633 check whether the value was used in replaced_rhs_value.
3635 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3638 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3639 add_referenced_var instead of add_referenced_tmp_var.
3640 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3641 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3643 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3644 tree_optimize_tail_calls_1): Use add_referenced_var.
3645 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3646 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3647 Use add_referenced_var.
3648 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3649 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3650 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3651 Use add_referenced_var.
3652 * tree-dfa.c (struct walk_state): Remove.
3653 (find_referenced_vars): Remove walk state and vars_found hash table.
3654 (make_rename_temp): Use add_referenced_var.
3655 (find_vars_r): Pass less parameters to add_referenced_var.
3656 (referenced_var_p): New. Is var in referenced_var hash table.
3657 (referenced_var_insert): Assert var isn't already in hash table.
3658 (add_referenced_var): Don't need walk_state parameter. Add var if it
3659 isn't already in the hash table.
3660 (add_referenced_tmp_var): Remove.
3661 (find_new_referenced_vars_1): Use add_referenced_var.
3662 * tree-ssa-pre.c (create_expression_by_pieces,
3663 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3664 Use add_referenced_var.
3665 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3666 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3667 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3669 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3670 vect_create_data_ref_ptr, vect_create_destination_var,
3671 vect_init_vector, vect_build_loop_niters,
3672 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3673 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3674 Use add_referenced_var.
3675 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3676 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3677 (add_referenced_var): Add prototype.
3678 * tree-ssa-structalias.c (get_constraint_for,
3679 intra_create_variable_infos): Use add_referenced_var.
3681 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3683 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3684 big-endian paradoxical subregs.
3685 * var-tracking.c (struct micro_operation_def): Document that,
3686 for modify micro operations, insn is the subsequent instruction.
3687 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3688 (var_reg_set, var_mem_set): ... new functions.
3689 (add_stores): Record subsequent insn.
3690 (compute_bb_dataflow): Use new functions for MO_USE.
3691 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3692 notes after the insn, and modify notes before the insn known
3693 to be the subsequent one.
3694 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3696 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3699 * config/i386/i386.c (ix86_expand_builtin): Use
3700 gen_sse3_monitor64 for TARGET_64BIT.
3702 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3704 PR rtl-optimization/26375
3705 PR rtl-optimization/26855
3706 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3708 (df_ru_bb_local_compute): Reversed statements and removed bogus
3709 comment explaining why they should be in wrong order.
3710 (df_ru_dump, df_rd_dump): Enhanced debug info.
3711 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3713 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3714 reaching uses and fixed space problem.
3716 2006-05-23 Jan Hubicka <jh@suse.cz>
3718 * cgraphunit.c (decide_is_function_needed): Also nested functions
3719 and functions declared inline can be optimized out at -O0.
3721 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3723 * doc/install.texi (Configuration): Remove reference to CrossGCC
3727 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3730 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3731 ix86_compare_emitted is non-NULL.
3733 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3736 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3739 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3741 PR rtl-optimization/25514
3742 * combine.c (replaced_rhs_insn): New variable.
3743 (combine_instructions): Set replaced_rhs_insn when trying to replace
3744 a SET_SRC with a REG_EQUAL note.
3745 (distribute_notes): Use replaced_rhs_insn when determining the live
3746 range of a REG_DEAD register.
3748 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3749 Anatoly Sokolov <aesok@post.ru>
3751 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3752 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3753 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3754 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3755 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3756 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3757 at90usb647, at90usb1286 and at90usb1287 devices.
3758 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3759 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3761 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3763 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3765 2006-05-22 Richard Guenther <rguenther@suse.de>
3768 2006-01-31 Richard Guenther <rguenther@suse.de>
3769 Paolo Bonzini <bonzini@gnu.org>
3771 * doc/install.texi (--disable-libgcc-math): Document.
3773 2006-05-22 Richard Guenther <rguenther@suse.de>
3776 2006-01-31 Richard Guenther <rguenther@suse.de>
3778 * doc/invoke.texi (-msselibm): Document.
3779 * target.h (expand_library_builtin): New target hook.
3780 * builtins.c (expand_builtin): Use expand_library_builtin.
3781 (default_expand_library_builtin): New function.
3782 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3783 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3784 (link_gcc_math_spec): Declare.
3785 (static_specs): Add link_gcc_math_spec.
3786 * expr.h (default_expand_library_builtin): Declare.
3787 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3788 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3789 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3790 * config/i386/i386.opt (msselibm): New target option.
3791 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3792 (ix86_init_sse_abi_builtins): New function.
3793 (ix86_expand_library_builtin): Likewise.
3794 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3795 (override_options): Handle error conditions wrt -msselibm.
3796 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3797 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3798 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3801 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3804 * c-common.c (self_promoting_args_p): Skip erroneous args.
3807 * c-decl.c (finish_struct): Skip erroneous fields.
3809 2006-05-22 Nick Clifton <nickc@redhat.com>
3811 * config/cris/cris.opt (march): Remove VarExists attribute.
3812 (max-stackframe=): Likewise.
3814 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3816 * doc/rtl.texi: Fix a typo.
3817 * see.c: Fix comment typos.
3819 * tree-ssa-structalias.h (alias_info): Remove num_references.
3821 2006-05-21 Mike Stump <mrs@apple.com>
3823 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3825 (darwin_pragma_options): Use BAD instead.
3826 (darwin_pragma_unused): Likewise.
3827 (darwin_pragma_ms_struct): Likewise.
3829 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3831 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3833 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3835 PR rtl-optimization/27671
3836 * simplify-rtx.c (simplify_relational_operation_1): Fix
3837 simplifications of (eq/ne (xor x y) y) and
3838 (eq/ne (xor x y) x).
3840 PR tree-optimization/26622.
3841 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3844 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3846 * tree-cfg.c: Prune whitespace.
3847 (debug_tree_cfg): Point to correct header containing the
3850 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3853 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3855 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3858 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3859 or sorry count is non zero.
3861 2006-05-20 Andreas Schwab <schwab@suse.de>
3863 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3865 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3866 Kenneth Zadeck <zadeck@naturalbridge.com>
3868 PR rtl-optimization/26855
3870 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3872 (df_scan_alloc): Added code to properly handle multiword hard
3873 registers and add all_blocks parameter.
3874 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3875 code to properly handle multiword hard registers.
3876 (df_rescan_blocks): Added code to remove deleted blocks from
3878 (df_ref_create_structure, df_ref_record): Added code to properly
3880 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3881 and set DF_REF_PARTIAL.
3882 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3883 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3884 (df_scan_add_problem): Added flags parameter.
3885 (df_ref_create_structure): Changed switching structure.
3886 (df_bb_refs_record): Fixed case where duplicate artificial refs
3887 were created. Changed location of flags.
3888 (df_record_entry_block_defs): Added code to make stack pointer
3889 live in entry block. Refined cases where frame pointer is needed.
3890 Changed location of flags.
3891 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3892 (df_set_state): Removed function.
3893 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3894 df_insn_create_insn_record, df_insn_refs_delete,
3895 df_ref_create_structure): Formatting changes.
3896 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3897 df_delete_basic_block): New function.
3898 (df_init): Changed location of flags.
3899 (df_add_problem): Added flags parameter and the way flags are
3901 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3902 debug_df_chain): Improved debugging output.
3903 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3904 (df_refs_chain_dump): Removed df parameter.
3905 (df_iterative_dataflow): Added consistency check.
3906 (df_prune_to_subcfg): Made public.
3907 (df_analyze_problem): Added blocks_to_init parameter and made
3909 (df_ref_record, df_bb_refs_record, df_mark_reg,
3910 df_record_exit_block_uses): Whitespace changes.
3911 (df_dump): Whitespace changes.
3912 * df.h: Some reordering to remove forward references.
3913 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3914 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3915 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3916 (dataflow.flags): New field.
3917 (df.flag): Deleted field.
3918 (df_alloc_function): Added additional bitmap parameter.
3919 (df_dependent_problem_function): New type.
3920 (df_problem.changeable_flags): New field.
3921 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3922 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3923 (df_mw_hardreg): New struct.
3924 (DF_INSN_UID_MWS): New macro.
3925 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3927 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3928 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3929 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3930 (df_set_state): Removed function.
3931 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3932 * df-problems.c (df_chain_dump): Removed df parameter.
3933 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3934 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3936 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3937 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3938 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3939 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3940 DF_REF_MUST_CLOBBER cases.
3941 (df_ru_bb_local_compute_process_def,
3942 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3943 df_lr_bb_local_compute, df_ur_bb_local_compute,
3944 df_chain_create_bb): Made subreg aware.
3945 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3946 df_lr_bb_local_compute, df_lr_bb_local_compute,
3947 df_chain_create_bb): Cleanup to use proper macros.
3948 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3949 code to fixup bitvectors.
3950 (df_ri_alloc): Cleared lifetime.
3951 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3952 df_create_unused_note): New function.
3953 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3954 REG_DEAD and REG_UNUSED notes as well as register information.
3955 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3956 df_chains_dump): Fixed crash if problem was never run.
3957 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3958 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3959 df_ri_add_problem): Processes flags in uniform manner.
3960 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3961 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3962 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3963 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3964 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3965 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3966 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3967 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3968 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3969 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3970 * see.c (see_initialize_data): Ditto.
3971 * final.c (rest_of_clean_state) Added regstack_completed.
3972 * rtl.h (regstack_completed): Ditto.
3973 * reg-stack.c (regstack_completed): Ditto.
3975 2006-05-19 Mike Stump <mrs@apple.com>
3977 * c-tree.h (default_conversion): Remove.
3978 * c-common.h (default_conversion): Add.
3980 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3982 * tree-vrp.c (valid_value_p): New function.
3983 (adjust_range_with_scev): Fail if the value of bound is not
3986 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3988 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3989 (mips_fallback_frame_state): Use syscall numbers to determine
3990 the appropriate li instruction for the current ABI. Only use
3991 __NR_sigreturn for o32.
3993 2006-05-19 Nicolas Setton <setton@adacore.com>
3995 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3996 * langhooks.c (lhd_dwarf_name): New function.
3997 * langhooks-def.h (lhd_dwarf_name): Declare.
3998 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3999 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4000 * ada/misc.c (gnat_dwarf_name): New function.
4001 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4003 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4005 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4007 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4008 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4009 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4010 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4011 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4012 determine the size of Wtype, etc.
4013 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4014 (swfloatfuncs): New variable.
4015 (dwfloatfuncs): Likewise.
4016 (lib2funcs): Remove floating-point conversion functions from
4017 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4018 the set of conversion routines needed. Allow entries to specify
4019 an object name, filename and word size. Update users accordingly.
4020 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4021 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4025 2006-02-08 Roger Sayle <roger@eyesopen.com>
4028 * config/fixtfdi.c: New libgcc source file.
4029 * config/fixunstfdi.c: New source file.
4030 * config/floatditf.c: New source file.
4031 * config/floatunditf.c: New souce file.
4032 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4033 files above instead of config/mips/_tilib.c.
4034 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4036 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4038 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4039 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4041 2006-05-18 Mike Stump <mrs@apple.com>
4043 Fix up vla, vm and [*] sematics.
4049 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4050 (c_vla_unspec_p): Add.
4051 (c_vla_type_p): Add.
4052 * c-decl.c (struct c_scope): Add had_vla_unspec.
4053 (build_array_declarator): Add support for [*].
4054 (grokdeclarator): Likewise.
4055 (grokparms): Likewise.
4056 (get_parm_info): Likewise.
4057 * c-objc-common.c (c_vla_unspec_p): Likewise.
4058 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4059 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4060 typeof when argument is a variably modified type not inside sizeof or alignof.
4061 (c_parser_direct_declarator_inner): Propagate errors.
4062 (c_parser_sizeof_expression): Add support for [*].
4063 (c_parser_parms_declarator): Initialize had_vla_unspec.
4064 (c_parser_parms_list_declarator): Likewise.
4065 * c-typeck.c (c_vla_type_p): Add.
4066 (composite_type): Add support for vla compositing.
4067 (comptypes_internal): Add support for vla compatibility.
4068 (c_expr_sizeof_expr): Evaluate vla arguments.
4069 * tree.c (variably_modified_type_p): Update comment for [*].
4071 2006-05-18 Michael Matz <matz@suse.de>
4074 * config.host: Make assignments to host_xmake_file cumulative.
4075 * config.host (*-darwin*): Test $host, not $target.
4077 2006-05-12 Stuart Hastings <stuart@apple.com>
4079 * config/i386/i386.opt (-mstackrealign): New flag.
4080 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4081 (ix86_handle_cconv_attribute): Emit error when
4082 force_align_arg_pointer attribute collides with too many regparms.
4083 (ix86_function_regparm): Limit regparms when used with
4084 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4085 Support stack-realigning prologue in non-main functions. Emit
4086 warning for nested functions under -mstackrealign, emit error for
4087 nested functions with force_align_arg_pointer attribute.
4088 * doc/extend.texi (force_align_arg_pointer): Document it.
4089 * doc/invoke.texi (-mstackrealign): Document it.
4091 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4093 PR rtl-optimization/27477
4094 * combine.c (try_combine): Don't split a parallel consisting
4095 of two sets into two individual sets if both sets reference
4098 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4100 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4101 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4103 * doc/options.texi (VarExists): Updated.
4105 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4107 * unwind-dw2.c: Add declarations for uw_update_context and
4109 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4110 detected, advance frame state and context once to skip over stub.
4112 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4116 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4117 Call rewrite_into_loop_closed_ssa only when something changed.
4118 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4119 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4120 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4121 Test for perfect_nest_p here. Fix formating.
4122 (replace_uses_equiv_to_x_with_y): Fix formating.
4123 (stmt_uses_op): Removed.
4124 (can_convert_to_perfect_nest): Removed loopivs parameter.
4125 Complete the test by checking the scalar dependences.
4126 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4129 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4132 From Dan Kegel <dank@kegel.com>:
4133 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4135 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4137 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4138 if the element type is variably modified without recursing.
4140 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4143 * tree-loop-linear.c (try_interchange_loops): Test for
4144 no data dependences.
4146 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4148 PR tree-optimization/27548
4149 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4150 range of ssa names that appear on abnormal edges.
4151 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4152 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4154 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4157 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4159 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4162 * tree.h (OMP_PARALLEL_COMBINED): Define.
4163 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4164 (new_omp_context): Add is_combined_parallel argument.
4165 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4166 new_omp_context caller.
4167 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4168 Adjust gimplify_scan_omp_clauses callers.
4169 (omp_is_private): Issue errors if iteration variable is firstprivate
4170 or reduction in the current context.
4171 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4172 on combined parallel workshare constructs.
4174 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4176 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4177 (gcc-options.o): New rule.
4179 * optc-gen.awk: Protect variables for gcc-options.o with
4180 #ifdef GCC_DRIVER/#endif.
4182 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4184 Fix PR tree-optimization/27373
4185 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4186 (forward_propagate_addr_expr): Update call.
4188 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4190 * doc/options.texi: Move the Negative option.
4192 2006-05-16 Richard Guenther <rguenther@suse.de>
4194 PR tree-optimization/22303
4195 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4197 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4198 ccp_fold did not simplify the statement.
4200 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4203 * Makefile.in (GCC_OBJS): New.
4204 (OBJS-common): Add opts-common.o.
4205 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4206 (cpp$(exeext)): Likewise.
4207 (gcc.o): Also depend on opts.h.
4208 (opts-common.o): New.
4210 * common.opt (gcoff): Add Negative(gdwarf-2).
4211 (gdwarf-2): Add Negative(gstabs).
4212 (gstabs): Add Negative(gstabs+).
4213 (gstabs+): Add Negative(gvms).
4214 (gvms): Add Negative(gxcoff).
4215 (gxcoff): Add Negative(gxcoff+).
4216 (gxcoff+): Add Negative(gcoff).
4217 * config/i386/i386.opt (m32): Add Negative(m64).
4218 (m64): Add Negative(m32).
4220 * doc/options.texi: Document the Negative option.
4222 * gcc.c: Include "opts.h".
4223 (main): Call prune_options after expandargv.
4225 * optc-gen.awk: Generate common declarations for all flag
4226 variables in options.c. Output the neg_index field.
4228 * opts.c (find_opt): Moved to ...
4229 * opts-common.c: Here. New file.
4231 * opts.h (cl_option): Add a neg_index field.
4233 (prune_options): Likewise.
4235 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4238 * omp-low.c (expand_omp_parallel): Don't assert
4239 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4240 instead search for it.
4243 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4246 2006-05-16 Andreas Schwab <schwab@suse.de>
4248 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4251 2006-05-15 Roger Sayle <roger@eyesopen.com>
4254 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4255 integer constants other than zero are only legitimate on TARGET_64BIT.
4256 <CONST_VECTOR> Only zero vectors are legitimate.
4257 (ix86_cannot_force_const_mem): Integral and vector constants can
4258 always be put in the constant pool.
4260 2006-05-16 DJ Delorie <dj@redhat.com>
4262 * crtstuff.c (__dso_handle): Set section from
4263 TARGET_LBIGCC_SDATA_SECTION if defined.
4264 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4265 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4267 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4270 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4273 2006-05-16 Ben Elliston <bje@au.ibm.com>
4275 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4277 2006-05-15 Per Bothner <per@bothner.com>
4279 * tree.c: (last_annotated_node): Use source_locus typedef.
4280 This permits bootstrapping with --enable-mapped-location.
4282 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4284 PR tree-optimization/26830
4285 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4286 (info_for_ssa_name, current_info_for_ssa_name_age,
4287 blocks_to_update): New variables.
4288 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4289 (clear_ssa_name_info, initialize_flags_in_bb,
4290 mark_block_for_update): New functions.
4291 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4292 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4293 prepare_def_site_for): Use mark_block_for_update.
4294 (mark_def_interesting): Assert that the processed block is marked in
4295 blocks_to_update. Do not take blocks argument.
4296 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4298 (rewrite_update_init_block, rewrite_update_stmt): Only process
4299 blocks with statements to rewrite.
4300 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4301 (update_ssa): Initialize and free blocks_to_update. Do not
4302 clear flags on statements. Do not use blocks bitmap.
4303 * tree.h (SSA_NAME_AUX): Removed.
4304 (struct tree_ssa_name): Removed aux field.
4305 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4307 2006-05-15 Richard Guenther <rguenther@suse.de>
4309 PR tree-optimization/27603
4310 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4311 Do computations in original type.
4313 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4315 * see.c: Code style changes such as redundant paranthesis,
4316 redundant intialization of local variables etc.
4317 (see_main): Declared now as static.
4318 * doc/invoke.texi: Update that -fsee is not enabled by
4321 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4323 * omp-low.c (check_omp_nesting_restrictions): New function.
4324 (scan_omp_1): Call it.
4327 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4328 construct, return *VAR.
4330 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4332 PR rtl-optimization/27406
4333 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4336 2006-05-14 Roger Sayle <roger@eyesopen.com>
4338 PR rtl-optimization/27538
4339 * combine.c (expand_compound_operation): Call gen_lowpart
4340 before calling simplify_shift_const.
4342 2006-05-14 Roger Sayle <roger@eyesopen.com>
4344 PR rtl-optimization/22563
4345 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4346 a fixed width bitfield, always force the intermediates into psuedos.
4348 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4351 * mkconfig.sh: Use operator = instead of == for test.
4353 2006-05-13 Nick Clifton <nickc@redhat.com>
4355 * dwarf2out.c (dbx_reg_number): Check return value from
4356 LEAF_REG_REMAP and only use it if it is valid.
4357 (multiple_reg_loc_descriptor): Likewise.
4359 2006-05-13 Richard Guenther <rguenther@suse.de>
4361 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4364 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4366 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4367 information attached to non-INSNs such as NOTEs.
4368 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4370 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4372 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4374 * config/s390/s390.md: Adjust comment describing On constraint.
4376 2006-05-11 Jan Hubicka <jh@suse.cz>
4378 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4379 to be output at -O0.
4381 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4384 * fold-const.c (size_binop): Move sanity check for arguments to
4385 the beginning of the function.
4388 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4391 2006-05-11 Richard Guenther <rguenther@suse.de>
4394 * fold-const.c (fold_unary): Handle intermediate conversion
4395 to a pointer type like intermediate conversion to an integer
4396 type in folding of (T1)(T2)var to var.
4397 Match the code to the comment in the final conversion for
4398 (T1)(T2)var to (T1)var regarding to type precision. Rather
4399 than disallow T1 being of pointer type, assert that both T1
4400 and var are of pointer type or not. Make sure not to fall
4401 over the frontends lazyness wrt array to pointer decay though.
4403 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4405 * arm.c (arm_struct_value_rtx): Delete.
4406 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4407 (arm_init_cumulative_args): Always initialize nregs to zero.
4409 2006-05-10 Richard Guenther <rguenther@suse.de>
4411 PR tree-optimization/27532
4412 * tree-object-size.c (plus_expr_object_size): Fix typo.
4414 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4417 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4418 ashrdi_const, ashrdi3): Use a scratch register.
4420 2006-05-10 Richard Guenther <rguenther@suse.de>
4422 PR tree-optimization/27302
4423 * fold-const.c (operand_equal_p): For two comparisons,
4424 try comparison of one comparison code swapped if that yields
4427 2006-05-10 Ben Elliston <bje@au.ibm.com>
4429 * tree-pretty-print.c (pretty_print_string): No need to handle
4430 '\0' as a special character.
4432 * tree.h: Include "hashtab.h".
4433 (iterative_hash_expr): Use hashval_t in its prototype.
4434 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4436 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4439 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4440 (hppa*64*-*-hpux11*): Ditto.
4441 (hppa[12]*-*-hpux11*): Ditto.
4443 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4446 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4448 2006-05-09 Michael Matz <matz@suse.de>
4450 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4451 host_extra_gcc_objs and host_xmake_file.
4452 (<*-*-linux*>): Don't overwrite host_xmake_file.
4453 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4454 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4455 (host_detect_local_cpu): Declare.
4456 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4457 * config/i386/i386.c (override_options): Handle -mtune=native
4459 * config/i386/x-i386: New file.
4460 * config/i386/driver-i386.c: New file.
4461 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4464 2006-05-09 Dirk Mueller <dmueller@suse.de>
4465 Richard Guenther <rguenther@suse.de>
4468 * fold-const.c (fold_read_from_constant_string): Relax check
4469 for matching types to matching modes.
4471 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4473 PR rtl-optimization/27335
4474 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4477 2006-05-08 Chao-ying Fu <fu@mips.com>
4478 Richard Sandiford <richard@codesourcery.com>
4480 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4481 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4482 * config/mips/mips.md (UNSPEC_SCC): New constant.
4483 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4484 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4485 (mips_emit_compare): Use it.
4486 (mips_expand_vcondv2sf): New function.
4488 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4490 Fix PR tree-optimization/27093
4491 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4492 renaming when they become not-used_alone.
4494 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4496 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4497 relocation and relocation stubs.
4499 2006-05-08 Eric Christopher <echristo@apple.com>
4501 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4504 2006-05-08 Jan Hubicka <jh@suse.cz>
4507 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4508 unused static functions are needed.
4510 2006-05-08 Roger Sayle <roger@eyesopen.com>
4513 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4514 of a reg_equiv_constant if the result is a legitimate constant.
4516 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4519 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4520 standard 80387 constants, raise the cost to prevent
4521 compress_float_constant() to generate load from memory.
4523 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4525 * config/arm/constraints.md (c): Fix a typo.
4527 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4530 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4533 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4535 (_mm_mwait): Likewise.
4537 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4539 (sse3_monitor): Make it 32bit only.
4540 (sse3_monitor64): New. 64bit monitor.
4542 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4545 * config/i386/i386.c (classify_argument): Skip fields with invalid
4548 2006-05-07 Richard Guenther <rguenther@suse.de>
4550 PR tree-optimization/27409
4551 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4552 Do not try to find zero-sized subvars.
4554 2006-05-07 Richard Guenther <rguenther@suse.de>
4556 PR tree-optimization/27136
4557 * tree-ssa-loop-niter.c (get_val_for): Correct function
4558 comment, assert requirements.
4559 (loop_niter_by_eval): Stop processing if the iterated
4560 value did not simplify.
4562 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4564 * opts.c (flag_see): remove its setting at -O3.
4566 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4568 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4569 * arm/constraints.md: New file.
4570 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4571 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4572 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4573 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4574 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4575 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4576 * arm.md: Include constraints.md.
4577 (thumb_movsi_insn): Use satisfies_constraint_J.
4578 (movhi, movqi): Use satisfies_constraint_I.
4580 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4582 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4583 for atmeg a645 device.
4585 2006-05-06 Richard Guenther <rguenther@suse.de>
4587 PR tree-optimization/27151
4588 * tree-vect-transform.c (vectorizable_condition): Punt on
4589 values that have a different type than the condition.
4591 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4594 * c-parser.c (c_parser_cast_expression): Only insert casts into
4595 hash table if pointer.
4596 * function.c (used_types_insert_helper): Rename from
4598 (used_types_insert): Call used_types_insert_helper.
4599 * function.h (used_types_insert): Accept only one argument.
4601 2006-05-05 David Edelsohn <edesohn@gnu.org>
4603 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4604 scratch with output modifier.
4606 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4609 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4610 with output modifier.
4612 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4615 * config/mips/mips.c (mips_symbolic_address_p): Return true
4616 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4617 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4619 2006-05-04 Richard Guenther <rguenther@suse.de>
4621 PR tree-optimization/14287
4622 PR tree-optimization/14844
4623 PR tree-optimization/19792
4624 PR tree-optimization/21608
4625 PR tree-optimization/27090
4626 * tree-ssa-pre.c (try_combine_conversion): New function.
4627 (compute_avail): After constructing the value-handle
4628 expression, use try_combine_conversion to combine NOP_EXPRs
4629 with previous value-handle expressions and use the result if it
4632 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4634 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4636 2006-05-04 Jan Hubicka <jh@suse.cz>
4639 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4641 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4643 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4644 that this only matches CONST_INTs. All users changed to VOIDmode
4647 * config/bfin/bfin.c: Include "optabs.h".
4648 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4650 (enum bfin_builtins): Add a number of fractional and vector builtins.
4651 (bfin_init_builtins): Likewise.
4652 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4653 (safe_vector_operand, bfin_expand_binop_builtin,
4654 bfin_expand_unop_builtin): New functions.
4655 (bfin_expand_builtin): Handle the new builtins.
4656 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4659 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4662 * Makefile.in (OBJS-common): Add see.o.
4663 (see.o): Add dependencies.
4664 * common.opt (fsee): New flag for the see optimization was added.
4665 * opts.c (flag_see): Initialized.
4666 * passes.c (init_optimization_passes, pass_see): New pass.
4667 * rtl.h (see_main): Declaration as extern.
4668 * timevar.def (TV_SEE): New.
4669 * tree-pass.h (pass_see): Declaration as extern.
4670 * invoke.texi (-fsee): Document.
4671 * recog.c (validate_simplify_insn): New function.
4672 * recog.h (validate_simplify_insn): Declaration as extern.
4673 * df-problems.c (df_chain_dump): Check for NULL.
4675 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4676 Daniel Berlin <dberlin@dberlin.org>
4678 * cfgrtl.c (insert_insn_bb_end_new): New function.
4679 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4681 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4683 * df.h (struct web_entry): Moved from web.c.
4684 (union_defs): Declaration as extern.
4685 (unionfind_root): Likewise.
4686 (unionfind_union): Likewise.
4687 * web.c (struct web_entry): Moved to df.h.
4688 (unionfind_root): Remove static declaration.
4689 (unionfind_union): Likewise.
4690 (union_defs): Likewise and generalize to use callback function.
4691 (web_main): Update arguments for union_defs function call.
4693 2006-05-04 Richard Guenther <rguenther@suse.de>
4695 PR tree-optimization/26447
4696 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4697 produce SSA_NAME copies before the store stmt to avoid
4698 breaking exception handling.
4700 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4703 * gimplify.c (omp_is_private): If var is shared in some outer context,
4704 return false instead of true. Stop searching on parallel context
4707 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4710 * coverage.c: Use get_gcov_unsigned_t() instead of
4711 unsigned_type_node all over.
4713 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4715 PR tree-optimization/27381
4716 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4717 maintain the same immediate_use links.
4718 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4719 node rather than segfaulting.
4721 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4724 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4725 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4726 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4728 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4730 Fix PR tree-optimization/26626
4731 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4733 * tree-ssa-operands.c (access_can_touch_variable): Allow
4734 typecasting through union pointers.
4736 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4739 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4740 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4741 to find if var will be a global variable even in the nested context.
4742 (omp_copy_decl): Only check for global variable at the end, it might
4743 be overridden in outer contexts.
4744 (scan_sharing_clauses): For global variables don't create a field.
4745 (lower_rec_input_clauses): Do nothing for global shared variables.
4746 Emit a barrier at the end of ILIST if there were any decls in both
4747 firstprivate and lastprivate clauses.
4748 (lower_send_clauses): Do nothing for global variables except for
4751 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4753 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4754 of the correct signedness is returned.
4756 2006-05-02 Jeff Law <law@redhat.com>
4758 PR tree-optimization/27364
4759 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4760 multiply expressions.
4762 2006-05-02 Tom Tromey <tromey@redhat.com>
4764 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4766 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4769 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4770 -mthumb -fPIC are used.
4772 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4773 Joshua Kinard <kumba@gentoo.org>
4776 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4777 with 64-bit pointers.
4779 2006-05-02 Paul Brook <paul@codesourcery.com>
4781 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4783 (create_fix_barrier): Check that a suitable barrier location is
4785 (arm_reorg): Include ftmp->address in allowable range of addresses.
4787 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4790 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4793 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4796 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4797 around RESULT_DECL for result passed by reference.
4798 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4799 * omp-low.c (use_pointer_for_field): Don't look at
4800 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4801 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4802 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4803 time or var for passing by reference for
4804 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4805 TREE_ADDRESSABLE variables when passing by reference.
4807 * omp-low.c (dump_omp_region): Fix output formatting.
4810 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4811 (expand_omp_parallel): Likewise.
4812 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4815 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4816 on statement list containing also constructors and destructors.
4817 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4820 * except.c (duplicate_eh_regions): Fix clearing of
4821 cfun->eh->region_array entries.
4823 2006-05-01 DJ Delorie <dj@redhat.com>
4825 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4827 (gcc_cv_objdump): Likewise.
4828 * configure: Regenerated.
4830 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4833 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4834 templates for case 3 and 4.
4836 2006-05-01 DJ Delorie <dj@redhat.com>
4838 * vec.c: Include bconfig.h when appropriate.
4839 * Makefile.in (build/vec.o): Adjust dependencies.
4840 * mkconfig.sh: Make sure config.h isn't used for build machine
4843 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4845 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4847 (mark_phi_for_rewrite): New function.
4848 (insert_phi_nodes_for, mark_use_interesting): Call
4849 mark_phi_for_rewrite.
4850 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4851 (update_ssa): Initialize and free phis_to_rewrite.
4853 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4855 PR rtl-optimization/27291
4856 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4857 folded to a constant.
4859 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4861 PR tree-optimization/27283
4862 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4863 not whole # of iteration descriptions.
4864 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4865 uses abnormal ssa name.
4866 (niter_for_single_dom_exit): Ditto.
4867 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4868 return just the number of iterations.
4870 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4872 PR tree-optimization/27144
4873 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4874 (record_estimate): Only record constant upper bound.
4875 (infer_loop_bounds_from_undefined): Call
4876 compute_estimated_nb_iterations just once.
4877 (proved_non_wrapping_p): Renamed to ...
4878 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4879 (convert_step_widening, scev_probably_wraps_p): Call
4880 n_of_executions_at_most instead of proved_non_wrapping_p.
4881 (substitute_in_loop_info): Do not replace values in bounds.
4882 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4885 2006-05-01 Richard Henderson <rth@redhat.com>
4888 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4889 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4892 2006-05-01 Roger Sayle <roger@eyesopen.com>
4894 * c-typeck.c (parser_build_binary_op): Don't call the function
4895 unsigned_conversion_warning to spot operand/result type overflow.
4896 (build_binary_op): Instead, call convert_and_check instead of
4897 convert to report the problem when the operands are promoted.
4898 * c-common.c (unsigned_conversion_warning): Make static.
4899 * c-common.h (unsigned_conversion_warning): Delete prototype.
4901 2006-05-01 Richard Guenther <rguenther@suse.de>
4903 PR tree-optimization/26726
4904 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4906 (find_interesting_uses_address): ... we work around here
4907 by folding INDIRECT_REFs in the substituted base.
4909 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4911 * omp-low.c (dump_omp_region): Add newlines.
4913 2006-04-30 Roger Sayle <roger@eyesopen.com>
4915 * common.opt (Woverflow): New command line option.
4916 * c-common.c (constant_expression_warning): Check warn_overflow.
4917 (overflow_waring): Pass OPT_Woverflow to warning.
4918 (unsigned_conversion_warning): Likewise.
4919 (convert_and_check): Likewise.
4920 * doc/invoke.texi: Document new command line option.
4922 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4924 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4925 TARGET_NO_FP_IN_TOC for section anchors.
4926 (optimization_options): Enable section anchors for all
4927 non-"Objective" languages.
4929 2006-04-28 Eric Christopher <echristo@apple.com>
4931 * config/darwin-c.c (darwin_ms_struct): Move this
4932 (darwin_set_default_type_attributes): and this...
4933 * config/darwin.c: ... here.
4934 * config/darwin.h (darwin_ms_struct): Declare.
4936 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4938 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4940 2006-04-28 Roger Sayle <roger@eyesopen.com>
4943 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4944 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4945 an unsigned HOST_WIDE_INT.
4946 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4948 (really_start_incremental_init): No need to call convert because
4949 bitsize_zero_node is already of type bitsizetype.
4950 (push_init_level): Extract the value of constructor_index as an
4951 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4952 (process_init_element): Likewise.
4954 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4956 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4957 value before passing to make_relative_prefix.
4959 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4962 * builtins.c (expand_builtin_memset): Expand val in original mode.
4964 2006-04-27 Eric Christopher <echristo@apple.com>
4966 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4967 with #ifndef/#endif.
4968 * config/darwin-c.c (darwin_ms_struct): New.
4969 (darwin_pragma_ms_struct): Ditto.
4970 (darwin_set_default_type_attributes): Ditto.
4971 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4972 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4973 Register ms_struct pragma.
4974 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4975 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4976 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4977 darwin_set_default_type_attributes if TARGET_MACHO.
4979 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4981 PR tree-optimization/26854
4982 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4983 * doc/tree-ssa.texi: Update immuse iterator documentation.
4984 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4985 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4986 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4987 first_safe_imm_use, next_safe_imm_use): Remove.
4988 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4989 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4990 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4991 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4992 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4993 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4994 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4995 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4996 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4997 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4998 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4999 (perfect_nestify): Use new iterator.
5000 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5002 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5003 (next_imm_name): New field in struct immediate_use_iterator_d.
5004 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5005 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5006 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5007 * tree-cfg.c (replace_uses_by): Use new iterator.
5008 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5009 * tree-ssa-operands.c (correct_use_link): Remove.
5010 (finalize_ssa_use_ops): No longer call correct_use_link.
5012 2006-04-27 Stuart Hastings <stuart@apple.com>
5014 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5015 * config/t-darwin (crt3.o): Use it.
5016 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5017 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5018 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5019 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5020 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5023 2006-04-27 Roger Sayle <roger@eyesopen.com>
5025 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5026 size, force the intermediate into a new pseudo rather instead of
5027 performing both a bitwise AND and a bitwise IOR in memory.
5029 2006-04-27 Richard Guenther <rguenther@suse.de>
5031 PR rtl-optimization/26685
5032 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5033 this one "max-flow-memory-locations".
5035 2006-04-27 Richard Guenther <rguenther@suse.de>
5037 PR tree-optimization/25148
5038 * tree-vrp.c (compare_values): Remove code dealing with
5039 comparisons against type min/max value. Honour overflow
5040 and negative constants in code dealing with comparisons
5041 of plus and minus expressions.
5042 (value_inside_range): Use fold_binary with LE_EXPR and
5043 GE_EXPR rather than compare_values.
5045 2006-04-27 Dirk Mueller <dmueller@suse.de>
5047 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5050 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5052 * basic-block.h (safe_insert_insn_on_edge): Removed.
5053 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5055 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5056 Paolo Bonzini <bonzini@gnu.org>
5059 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5060 (simplify_and_const_int): Same.
5062 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5064 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5066 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5069 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5070 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5071 cgraph_global_info_ready.
5074 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5077 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5078 either decl or init is error_mark_node.
5081 * tree-flow.h (struct omp_region): Add sched_kind.
5082 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5083 instead of extracting omp for data.
5084 (expand_omp_for): Save extracted sched_kind.
5086 2006-04-25 Roger Sayle <roger@eyesopen.com>
5088 * expmed.c (store_bit_field): Also check whether the bitsize is
5089 valid for the machine's "insv" instruction before moving the
5090 target into a pseudo for use with the insv.
5091 * config/i386/predicates.md (const8_operand): New predicate.
5092 * config/i386/i386.md (extv, extzv, insv): Use the new
5093 const8_operand predicate where appropriate.
5095 2006-04-25 DJ Delorie <dj@redhat.com>
5097 * doc/install.texi (Specific): Clarify that this is not a list of
5098 supported hosts or targets.
5100 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5102 PR rtl-optimization/26725
5103 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5104 block's BB_DIRTY flag.
5106 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5108 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5111 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5112 to print an integer.
5114 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5116 * varasm.c (align_variable): New function.
5117 (get_block_for_decl): Apply align_variable to DECL before
5118 calculating section information.
5119 (assemble_variable): Split out alignment computation.
5121 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5123 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5126 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5128 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5129 MODE_PARTIAL_INT mode.
5130 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5131 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5133 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5134 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5136 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5138 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5140 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5141 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5142 MACFLAG_IH): Likewise.
5143 (movstricthi_1): Renamed from "*movstricthi".
5144 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5145 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5146 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5147 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5148 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5149 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5150 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5151 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5152 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5153 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5154 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5155 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5156 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5157 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5158 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5160 * doc/rtl.texi (ss_ashift): Improve wording.
5162 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5164 * dwarf2out.c (verify_marks_clear): New.
5165 (prune_unused_types): Call verify_marks_clear initially, not
5168 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5170 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5171 * doc/rtl.texi: Document them.
5172 * simplify-rtx.c (simplify_unary_operation,
5173 simplify_binary_operation_1): Don't abort when we see them.
5175 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5178 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5179 * configure.ac: Completely disregard languages that are not
5181 * configure: Regenerated.
5183 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5184 Richard Guenther <rguenther@suse.de>
5186 PR tree-optimization/27236
5187 * tree-inline.c (copy_body_r): Make sure to copy
5188 TREE_THIS_VOLATILE flag.
5190 2006-04-24 Richard Guenther <rguenther@suse.de>
5193 * tree-complex.c (update_parameter_components): Don't handle
5194 unused parameters which have no default def.
5196 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5197 Richard Guenther <rguenther@suse.de>
5199 PR tree-optimization/27218
5200 * tree-inline.c (expand_call_inline): Strip useless type
5201 conversions for the return slot address.
5203 2006-04-24 Richard Guenther <rguenther@suse.de>
5205 * cfgloop.h (struct loops): Remove unused field array. Reorder
5207 (LOOP_PREFETCH): Remove.
5209 2006-04-24 Richard Guenther <rguenther@suse.de>
5211 PR tree-optimization/22525
5212 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5213 variable, adjust types of generated expressions.
5215 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5217 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5218 (tree-vect-patterns.o): Likewise.
5220 (cselib.o): Likewise.
5221 (loop-doloop.o): Likewise.
5222 (regclass.o): Likewise.
5223 (reload1.o): Likewise.
5224 (explow.o): Replace target.h with $(TARGET_H).
5225 (ipa-prop.o): Likewise.
5226 (ipa-cp.o): Likewise.
5227 (ipa-inline.o): Likewise.
5228 (reorg.o): Likewise.
5229 (reg-stack.o): Likewise.
5231 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5233 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5235 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5237 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5239 * configure.ac: Completely disregard languages that are not
5241 * configure: Regenerated.
5244 * c-common.h (c_build_bitfield_integer_type): Declare.
5245 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5246 * c-common.c (c_build_bitfield_integer_type): ... here.
5248 2006-04-23 Roger Sayle <roger@eyesopen.com>
5251 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5252 a SImode SUBREG of a floating point register after no_new_pseudos.
5254 2006-04-23 Roger Sayle <roger@eyesopen.com>
5256 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5257 identify potentially eliminable registers to additionally catch
5258 VIRTUAL_INCOMING_ARGS_REGNUM.
5259 (addsi3): Update the conditions on when to use addsi_small_int.
5261 2006-04-23 Roger Sayle <roger@eyesopen.com>
5264 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5265 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5266 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5268 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5270 * fold-const.c (range_predecessor): Use operand_equal_p
5271 as the predicate for equality.
5272 (range_successor): Likewise.
5274 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5277 * config/soft-fp/op-common.h: Fix a typo.
5279 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5282 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5283 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5285 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5287 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5289 * doc/tm.texi: Fix a typo.
5291 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5293 * dwarf2out.c (struct die_struct): Document that die_sib makes
5294 a circular linked list.
5295 (FOR_EACH_CHILD): New.
5296 (reverse_die_lists): Delete.
5297 (reverse_all_dies): Delete.
5298 (add_dwarf_attr): Correct documentation.
5299 (remove_child_with_prev): New.
5300 (remove_child_TAG): Update for change to die_struct, use
5301 remove_child_with_prev.
5302 (add_child_die): Update for change to die_struct.
5303 (splice_child_die): Use remove_child_with_prev and add_child_die.
5304 (print_die): Use FOR_EACH_CHILD.
5305 (die_checksum): Likewise.
5306 (assign_symbol_names): Likewise.
5307 (output_location_lists): Likewise.
5308 (build_abbrev_table): Likewise.
5309 (calc_die_sizes): Likewise.
5310 (mark_dies): Likewise.
5311 (unmark_dies): Likewise.
5312 (unmark_all_dies): Likewise.
5313 (output_die): Likewise.
5314 (prune_unused_types_mark): Likewise.
5315 (prune_unused_types_walk): Likewise.
5316 (same_die_p): Update for change to die_struct.
5317 (break_out_includes): Likewise.
5318 (prune_unused_types_prune): Likewise.
5319 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5320 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5322 (dwarf2out_finish): Don't call reverse_all_dies.
5324 2006-04-21 Eric Christopher <echristo@apple.com>
5326 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5327 in comments and function names.
5329 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5332 * c-typeck.c (digest_init): Robustify.
5334 * c-typeck.c (pop_init_level): Simplify.
5336 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5338 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5340 2006-04-21 Paul Brook <paul@codesourcery.com>
5342 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5343 hardware floating point.
5345 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5347 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5350 2006-04-21 Nick Clifton <nickc@redhat.com>
5352 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5355 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5358 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5359 C++ lang type in traceback table for Objective-C++.
5361 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5363 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5365 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5367 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5370 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5371 were errors. Remove check for erroneous objects.
5373 2006-04-20 Jeff Law <law@redhat.com>
5375 PR tree-optimization/26854
5376 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5377 checking for zero or one use.
5378 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5379 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5380 * tree-ssa-reassoc.c (negate_value): Similarly.
5381 (reassociate_bb): Similarly.
5383 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5385 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5386 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5387 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5389 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5391 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5392 fp regs if the last fp arg doesn't fit in regs.
5394 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5397 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5398 that the last insn has the REG_INC note.
5400 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5401 Nathan Sidwell <nathan@codesourcery.com>
5404 * stor-layout.c (update_alignment_for_field): Do not align
5406 (place_union_field): Place union field at the start of the union.
5407 (place_field): Move ERROR_MARK check later, and use the current
5408 allocation position to maintain monotonicity.
5410 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5412 * dominance.c: Include timevar.h.
5413 (calculate_dominance_info): Use TV_DOMINANCE.
5414 * timevar.def (TV_DOMINANCE): New timevar.
5415 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5417 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5419 PR rtl-optimization/14261
5420 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5421 move would be an INSV insn.
5422 (noce_process_if_block): Don't optimize if the destination is a
5423 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5425 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5427 * config/s390/s390.md: Add comments with the instructions emitted
5428 by an insn pattern if macros are used.
5430 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5432 PR rtl-optimization/26026
5433 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5434 is a known power of two shifted left a variable amount.
5436 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5438 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5439 to hash table twice when the debug_str section has SECTION_MERGE.
5441 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5443 * config/soft-fp: New directory. From glibc.
5444 * config/soft-fp/t-softfp: New.
5445 * config/soft-fp/README: New.
5446 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5447 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5448 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5449 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5450 * config.gcc: Use rs6000/t-fprules-fpbit or
5451 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5453 * config/rs6000/sfp-machine.h: New. Based on glibc.
5454 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5456 * config/rs6000/t-fprules: Remove fp-bit rules.
5457 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5458 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5459 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5460 (softfp_wrap_start, softfp_wrap_end): New.
5462 2006-04-18 DJ Delorie <dj@redhat.com>
5464 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5466 2006-04-18 Devang Patel <dpatel@apple.com>
5468 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5470 2006-04-18 Nick Clifton <nickc@redhat.com>
5472 * config/sh/t-symbian: Add rule to build sh-c.o
5473 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5474 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5475 (sh_symbian_encode_section_info): Likewise.
5477 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5479 * builtins.c (expand_builtin_strcmp): Cover label definition of
5480 do_libcall with HAVE_cmpstrnsi.
5482 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5484 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5486 * function.h (temp_slot_p): New.
5487 (function): Change the type of x_used_temp_slots to
5488 VEC(temp_slot_p,gc) *.
5490 2006-04-18 Nick Clifton <nickc@redhat.com>
5492 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5493 flag_strength_reduce.
5495 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5497 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5501 Partial revert of revision 112637
5502 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5503 Dale Johannesen <dalej@apple.com>
5506 * regclass.c (struct reg_pref): Update documentation.
5507 (regclass): Set prefclass to NO_REGS if memory is the best option.
5508 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5510 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5512 PR tree-optimization/26821
5513 * tree-ssa-math-opts.c (get_constant_one): New.
5514 (insert_reciprocals): Use it.
5516 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5518 * dwarf2out.c (free_AT): Delete.
5519 (remove_AT): Update string ref counts.
5520 (remove_child_TAG): Don't call free_die.
5522 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5523 or DW_TAG_GNU_EINCL.
5524 (prune_unused_types_walk_attribs): Reset string refcounts.
5525 (prune_unused_types_update_strings): New.
5526 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5527 call free_die. Do call prune_unused_types_update_strings.
5528 (prune_unused_types): Empty debug_str_hash.
5530 2006-04-17 Roger Sayle <roger@eyesopen.com>
5532 * expr.c (expand_assignment): Optimize away no-op moves where the
5533 source and destination are equal and have no side-effects.
5535 2006-04-17 Richard Guenther <rguenther@suse.de>
5538 * reload.c (push_reload): Guard calls to get_secondary_mem
5541 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5543 * alias.c (reg_base_value, old_reg_base_value): Change the
5544 type to VEC(rtx,gc) *.
5545 (REG_BASE_VALUE, find_base_value, record_set,
5546 init_alias_analysis): Use VEC instead of VARRAY.
5548 * alias.c (alias_sets): Change the type to
5549 VEC(alias_set_entry,gc) *.
5550 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5551 VEC instead of VARRAY.
5552 (last_alias_set): Remove.
5554 * cgraph.h (cgraph_edge_p): New.
5555 Update the prototype of cgraph_function_versioning.
5556 * cgraphunit.c (cgraph_copy_node_for_versioning,
5557 cgraph_function_versioning): Use VEC instead of VARRAY.
5558 * ipa-cp.c (ipcp_insert_stage): Likewise.
5560 2006-04-16 Roger Sayle <roger@eyesopen.com>
5563 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5564 "A op B" or "A op C", we may need to convert A to the type of B and C.
5566 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5568 * target.h (struct gcc_target): Add mode_rep_extended.
5569 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5570 (init_num_sign_bit_copies_in_rep): Initialize it using
5572 (truncate_to_mode): Use it.
5573 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5574 * targhooks.h (default_mode_rep_extended): Declare it.
5575 * targhooks.c (default_mode_rep_extended): Define it.
5576 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5577 default_mode_rep_extended.
5578 (TARGET_INITIALIZER): Include it.
5579 * doc/tm.texi (Misc): Document it.
5580 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5581 (mips_truncated_to_mode): New function.
5583 2006-04-16 Roger Sayle <roger@eyesopen.com>
5586 * expr.c (compress_float_constant): Copy the narrow constant into
5587 a new pseudo before extending it to its final width.
5589 2006-04-16 Roger Sayle <roger@eyesopen.com>
5590 Andrew Pinski <pinskia@gcc.gnu.org>
5591 Dale Johannesen <dalej@apple.com>
5594 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5595 special case code to implement V8HImode and V16QImode with SSE2.
5597 2006-04-15 Roger Sayle <roger@eyesopen.com>
5599 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5600 trees are constructed with a suitable tree type.
5602 2006-04-15 Roger Sayle <roger@eyesopen.com>
5604 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5605 (integer_onep): Likewise.
5606 (integer_all_onesp): Likewise.
5607 (integer_pow2p): Likewise.
5608 (integer_nonzerop): Likewise.
5609 (real_zerop): Likewise.
5610 (real_onep): Likewise.
5611 (real_twop): Likewise.
5612 (real_minus_onep): Likewise.
5613 (int_size_in_bytes): Likewise.
5614 (host_integerp): Likewise.
5616 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5618 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5619 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5620 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5622 * tree-ssa-structalias.h (alias_info): Remove num_references.
5624 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5626 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5627 (output_bvb patterns): Likewise.
5628 * pa.c (output_bb): Use 'bb' insn for long branch case.
5629 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5630 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5631 1. Correct length operand for alternatives 1 and 2.
5632 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5633 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5635 2006-04-14 Roger Sayle <roger@eyesopen.com>
5637 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5638 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5639 were accidentally reverted by r112959.
5641 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5644 * except.h (eh_region_outermost): New prototype.
5645 * except.c (eh_region_outermost): New function.
5646 * tree-cfg.c (find_outermost_region_in_block): Use it.
5648 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5650 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5652 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5653 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5654 (init_reload, reload): Use VEC instead of VARRAY.
5655 * reload.h: Update the prototype for
5656 reg_equiv_memory_loc_varray.
5658 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5659 Eric Botcazou <ebotcazou@libertysurf.fr>
5661 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5664 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5667 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5668 to expand fallback builtin function call.
5670 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5673 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5674 and emit libcall here in case the builtin fails.
5675 (expand_builtin_strcmp): Always emit the libcall here on failure.
5677 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5679 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5680 * flow.c (reg_n_info): Change the type to
5681 VEC(reg_info_p,heap) *.
5682 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5684 * regs.h (reg_info_p): New.
5685 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5686 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5687 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5690 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5692 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5694 * params.h (MAX_SCHED_READY_INSNS): New macro.
5695 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5696 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5697 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5698 the ready list for 1 cycle during the first scheduling pass.
5699 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5701 2006-04-13 Richard Henderson <rth@redhat.com>
5704 * gimple-low.c (lower_omp_directive): Remove dead code.
5705 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5706 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5707 * omp-low.c (struct omp_region): Move to tree-flow.h.
5708 (root_omp_region): Export.
5709 (omp_regions, lookup_omp_region): Remove.
5710 (determine_parallel_type): Update for struct omp_region changes.
5711 (dump_omp_region): Dump regions with block numbers.
5712 (new_omp_region): Take type and block instead of stmt; malloc
5714 (free_omp_region_1, free_omp_regions): New.
5715 (expand_parallel_call): Take entry_stmt as argument; update for
5716 changes to omp_region.
5717 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5718 (remove_exit_barriers): New.
5719 (expand_omp_parallel): Update for struct omp_region changes.
5720 (expand_omp_synch): Likewise.
5721 (expand_omp): Likewise.
5722 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5723 (expand_omp_for_static_chunk): Likewise.
5724 (expand_omp_for): Likewise.
5725 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5726 (expand_omp_sections): Similarly, with GOMP_sections_end.
5727 (expand_omp_single): New.
5728 (build_omp_regions_1): Update for OMP_CONTINUE.
5729 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5730 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5731 OMP_SECTIONS_SECTIONS.
5732 (lower_omp_single_simple): Don't emit barrier here.
5733 (lower_omp_single_copy): Likewise.
5734 (lower_omp_single): Fix bindings, and lower to straightline now.
5735 (lower_omp_master, lower_omp_ordered): Likewise.
5736 (lower_omp_critical): Likewise.
5737 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5738 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5739 omp edges, free it afterward.
5740 (make_omp_sections_edges): Remove.
5741 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5742 (move_stmt_r): Handle OMP_CONTINUE.
5743 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5744 statement pointers to basic blocks. Add type member.
5745 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5746 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5747 * tree-inline.c (estimate_num_insns_1): Likewise.
5748 * tree-pretty-print.c (dump_generic_node): Likewise.
5749 * tree-ssa-operands.c (get_expr_operands): Likewise.
5750 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5751 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5752 (OMP_CONTINUE): New.
5753 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5754 (OMP_SECTIONS_SECTIONS): Remove.
5755 (OMP_SECTION_LAST): New.
5756 (OMP_RETURN_NOWAIT): New.
5758 2006-04-13 Roger Sayle <roger@eyesopen.com>
5760 * fold-const.c (native_encode_vector, native_interpret_real):
5761 Correct obvious mistakes in the previous check-in.
5763 2006-04-13 Roger Sayle <roger@eyesopen.com>
5765 * fold-const.c (native_encode_expr): New function to encode
5766 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5767 or VECTOR_CST into a specified buffer.
5768 (native_encode_int): New function.
5769 (native_encode_real): New function.
5770 (native_encode_complex): New function.
5771 (native_encode_vector): New function.
5772 (native_interpret_expr): Inverse of native_encode_expr to convert
5773 a target representation into an INTEGER_CST, REAL_CST etc...
5774 (native_interpret_int): New function.
5775 (native_interpret_real): New function.
5776 (native_interpret_complex): New function.
5777 (native_interpret_vector): New function.
5778 (fold_view_convert_expr): New function to constant fold/evaluate
5779 a VIEW_CONVERT_EXPR of a suitable constant expression.
5780 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5781 Change call of build1 to fold_build1 when constructing a
5784 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5785 Ulrich Weigand <uweigand@de.ibm.com>
5788 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5791 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5794 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5795 optimize to lo_sum for DFmode if !TARGET_FPRS.
5797 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5799 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5800 delete_alias_info, compute_flow_sensitive_aliasing,
5801 group_aliases): Use VEC instead of VARRAY.
5802 * tree-ssa-structalias.c (update_alias_info): Likewise.
5803 * tree-ssa-structalias.h (alias_info): Change the type of
5804 processed_ptrs to VEC(tree,heap) *.
5806 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5809 * config/sh/lib1funcs.h: New file, broken out of:
5810 * config/sh/lib1funcs.asm.
5811 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5813 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5814 * config/sh/lib1funcs-Os-4-200.asm: New file.
5815 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5816 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5817 (EXTRA_MULTILIB_PARTS): Include it.
5818 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5819 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5820 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5821 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5824 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5826 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5827 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5828 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5830 * tree-ssa-live.h: Include vecprim.h.
5831 (tree_partition_associator_d): Change the type of
5832 first_partition to VEC(int,heap) *.
5833 (tpa_first_partition): Use VEC instead of VARRAY.
5835 * Makefile.in (GTFILES): Move functions.h after tree.h.
5836 * function.c (reset_block_changes, record_block_change,
5837 check_block_change, free_block_changes): Use VEC instead of
5839 * function.h (function): Change the type of
5840 ib_boundaries_block to VEC(tree,gc) *.
5841 * tree-inline.c (copy_cfg_body): Initialize
5842 ib_boundaries_block to NULL instead of (varray_type) 0.
5844 2006-04-12 Roger Sayle <roger@eyesopen.com>
5846 * expr.c (emit_group_store): Correct operand order in call to
5847 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5848 a SUBREG_BYTE of zero.
5850 2006-04-12 Richard Guenther <rguenther@suse.de>
5852 * profile.c (compute_branch_probabilities): Remove code
5853 encapsulated in !ir_type (), which are remanents of the
5854 removed RTL profiling code.
5855 * rtl-profile.c: Remove.
5857 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5859 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5860 magic NULL_RTX comment.
5861 (function_arg): Store entire fp arg to mem if any part should go
5863 (rs6000_arg_partial_bytes): Adjust for above change.
5865 2006-04-11 Roger Sayle <roger@eyesopen.com>
5867 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5868 if it hasn't been initialized by dwarf2out_init.
5870 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5872 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5873 symbolic constants in branch patterns.
5875 2006-04-11 Roger Sayle <roger@eyesopen.com>
5877 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5879 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5881 PR rtl-optimization/27073
5882 * gcse.c (try_replace_reg): Revert last change. Continue to search
5883 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5886 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5888 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5889 aggregate types other than record and union types.
5890 (function_arg): Likewise.
5891 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5893 (function_value): In 64-bit mode, return objects that require it
5896 2006-04-11 Roger Sayle <roger@eyesopen.com>
5898 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5900 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5902 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5904 2006-04-03 Jeff Law <law@redhat.com>
5907 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5908 alias information too.
5910 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5912 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5914 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5917 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5918 (premark_used_types_helper): New.
5919 (premark_used_types): New.
5920 (gen_subprogram_die): Call premark_used_types.
5921 (prune_unused_types_walk): Do not prune perennial dies.
5922 * function.c (used_types_insert): New.
5923 * function.h (struct function): Add used_types_hash field.
5924 (used_types_insert): Add prototype.
5925 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5926 * c-parser.c (c_parser_cast_expression): Save casted types in used
5929 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5932 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5933 rs6000_explicit_options.float_gprs.
5935 2006-04-10 Roger Sayle <roger@eyesopen.com>
5937 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5938 from ix86_expand_vector_init_low_nonzero. Take an additional
5939 one_var argument indicating which element is non-zero. Support
5940 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5941 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5942 with one_var instead of ix86_expand_vector_init_low_nonzero.
5944 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5946 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5947 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5948 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5949 build/genextract.o): Depend on vecprim.h.
5950 * cfglayout.c, df-problems.c, function.c, genextract.c,
5951 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5952 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5956 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5958 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5959 Declare VECs of this type.
5960 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5961 (remove_children): Delete.
5962 (add_dwarf_attr): Use VEC routines.
5963 (add_AT_flag): Update for changes to add_dwarf_attr.
5964 (add_AT_int): Likewise.
5965 (add_AT_unsigned): Likewise.
5966 (add_AT_long_long): Likewise.
5967 (add_AT_vec): Likewise.
5968 (add_AT_string): Likewise.
5969 (add_AT_die_ref): Likewise.
5970 (add_AT_fde_ref): Likewise.
5971 (add_AT_loc): Likewise.
5972 (add_AT_loc_list): Likewise.
5973 (add_AT_addr): Likewise.
5974 (add_AT_lbl_id): Likewise.
5975 (add_AT_lineptr): Likewise.
5976 (add_AT_macptr): Likewise.
5977 (add_AT_offset): Likewise.
5978 (add_AT_range_list): Likewise.
5979 (get_AT): Use VEC_iterate.
5980 (remove_AT): Use VEC_ordered_remove.
5981 (free_die): Fold remove_children into here; have it use VEC_iterate.
5982 (print_die): Use VEC_iterate on attrs.
5983 (reverse_die_lists): Don't reverse attr lists.
5984 (die_checksum): Use VEC_iterate on attrs.
5985 (same_die_p): Likewise.
5986 (output_location_lists): Likewise.
5987 (build_abbrev_table): Likewise.
5988 (size_of_die): Likewise.
5989 (unmark_all_dies): Likewise.
5990 (output_abbrev_section): Likewise.
5991 (output_die): Likewise.
5992 (prune_unused_types_walk_attribs): Likewise.
5994 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5996 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5998 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6001 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6003 2006-04-09 Roger Sayle <roger@eyesopen.com>
6005 * expr.c (store_constructor): Don't bother clearing target if
6006 we're about to assign a vector to it using vec_init_optab.
6008 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6010 * tree-ssa-alias.c (lhs_may_store_to): New function.
6011 (recalculate_used_alone): Handle LHS of calls.
6013 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6017 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6018 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6019 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6020 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6021 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6022 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6023 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6024 stubs. Add ".align 8" directives before all ".dword" directives.
6025 (GTHREAD_USE_WEAK): Revise comment.
6026 (TARGET_ATTRIBUTE_WEAK): Define.
6027 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6028 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6029 * stublib.c: New file.
6034 * pa.md (cbranch patterns): Revise arguments used in calls to
6035 output_cbranch, output_bb and output_bvd. Add long branch length
6037 (fbranch patterns): Handle long branches.
6038 (jump): Revise length check. Revise arguments for output_lbranch call.
6039 Add long branch length attributes.
6040 (decrement_and_branch_until_zero): Add long branch length attributes.
6041 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6042 Likewise. Revise arguments for output_parallel_addb and
6043 output_parallel_movb calls.
6044 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6045 output_parallel_movb and output_parallel_addb): Update prototypes.
6046 * pa.c (output_cbranch): Revise arguments. Correct handling of
6047 nullification in long branches.
6048 (output_lbranch): Add new argument to control extraction of delay
6050 (output_bb): Handle long branches.
6051 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6052 output_parallel_addb): Likewise.
6054 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6056 PR rtl-optimization/27073
6057 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6060 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6062 * tree.h (tree_memory_tag): Add old_used_alone.
6063 (SMT_OLD_USED_ALONE): New macro.
6064 * tree-ssa-alias.c (recalculate_used_alone): Stop
6065 marking things for renaming unnecessarily.
6067 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6069 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6070 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6071 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6072 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6073 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6074 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6075 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6076 spelling convensions.
6077 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6078 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6079 typos. Follow spelling conventions.
6081 2006-04-07 DJ Delorie <dj@redhat.com>
6083 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6084 passed on the stack.
6085 (m32c_init_cumulative_args): When a function returns a structure,
6086 always pass the pointer to that return area on the stack.
6087 (m32c_function_arg_advance): Don't increment the parameter number
6088 if we're processing the returned structure pointer.
6089 (pushm_info): Reverse order of registers.
6091 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6093 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6094 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6095 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6096 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6098 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6099 chrec_fold_multiply): Same.
6100 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6101 force_expr_to_var_cost): Same.
6102 * tree-mudflap.c (mf_xform_derefs_1): Same.
6103 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6105 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6107 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6108 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6111 2006-04-07 Jan Hubicka <jh@suse.cz>
6113 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6115 2006-04-07 Richard Guenther <rguenther@suse.de>
6117 PR tree-optimization/26135
6118 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6119 loads for store copy-prop.
6120 (copy_prop_visit_stmt): Likewise.
6122 2006-04-05 Robert Millan <robertmh@gnu.org>
6124 * config/i386/linux.h: Add a comment to mark macros that are
6125 being overriden in config/k*bsd-gnu.h.
6126 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6128 * config/knetbsd-gnu.h: Ditto.
6130 2006-04-06 Jan Hubicka <jh@suse.cz>
6134 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6137 2006-04-06 Mike Stump <mrs@apple.com>
6139 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6140 for HAVE_nonlocal_goto to be consistent.
6141 (expand_builtin_nonlocal_goto): Likewise.
6142 (expand_builtin_strcmp): Use #ifdef instead of #if
6143 for HAVE_cmpstrnsi to be consistent.
6145 2006-04-05 DJ Delorie <dj@redhat.com>
6147 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6150 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6152 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6153 got-relative addressing for anything but SImode.
6155 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6156 even if the calling function doesn't modify them.
6158 2006-04-05 Richard Guenther <rguenther@suse.de>
6160 PR tree-optimization/26919
6161 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6162 to cgraph_estimate_size_after_inlining.
6164 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6166 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6168 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6170 PR tree-optimization/26996
6171 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6172 VECTOR_TYPE variables.
6174 2006-04-05 Richard Guenther <rguenther@suse.de>
6176 PR tree-optimization/26763
6177 * fold-const.c (fold_comparison): Move folding of
6178 PTR + CST CMP PTR + CST ...
6179 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6181 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6183 * doc/install.texi (Prerequisites): Refine some wording on
6184 bootstrapping and ksh.
6185 Move the version numbers of DejaGnu here from the testing section
6186 and fix casing of names.
6187 Fix markup and clarify wording for autogen requirements.
6188 Refer to GCJ instead of just java.
6189 Refer to SVN instead of CVS.
6190 Describe diffutils as useful instead of necessary.
6191 (Downloading the source): Refer to SVN instead of CVS.
6192 Adjust a link to our web site accordingly.
6193 (Configuration): Fix casing of Bison.
6194 (Building): Refer to SVN instead of CVS.
6195 Fix a sentence on the use of Bison and remove duplicate (and
6196 incorrect) version number of Bison requirement.
6197 Remove one redundant list of packages needed for building.
6198 (Specific): Avoid reference to CVS.
6200 2006-04-04 Eric Christopher <echristo@apple.com>
6202 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6203 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6204 (rs6000_handle_struct_attribute): New.
6205 (rs6000_ms_bitfield_layout_p): Ditto.
6207 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6209 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6210 NULL for dso parameter to atexit_common.
6212 2006-04-04 Eric Christopher <echristo@apple.com>
6214 * config/i386/i386.c (machopic_output_stub): Output \t
6215 between instructions and operands.
6217 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6219 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6220 satisfies_constraint_[IL] to explicit tests on value.
6222 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6224 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6225 set_nb_iterations_in_loop): Use build_int_cst instead of
6227 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6228 build_int_cst instead of convert.
6230 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6232 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6233 new value 2 for incoming.
6234 * function.c (expand_function_start): Call struct_value_rtx
6236 * config/sparc/sparc.md: Comment updated_return.
6237 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6238 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6239 struct return if sparc_std_struct_return and incoming is 2.
6240 (print_operand): Do not adjust return if
6241 sparc_std_struct_return.
6243 2006-04-04 Roger Sayle <roger@eyesopen.com>
6245 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6246 convert in the middle-end.
6247 * expr.c (store_expr, store_constructor, get_inner_reference,
6248 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6250 * tree.c (build_range_type): Likewise.
6252 2006-04-04 Tom Tromey <tromey@redhat.com>
6254 * doc/install.texi (Prerequisites): Mention jar.
6256 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6258 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6261 2006-04-04 Matthias Klose <doko@debian.org>
6263 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6264 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6267 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6269 * doc/extend.texi (Function Attributes): Rewrite visibility
6270 attribute documentation.
6271 * doc/invoke.texi (C++ Dialect Options): Rewrite
6272 -fvisibility-inlines-hidden documentation to describe something
6273 entirely different, although in practise compatible.
6274 (Code Gen Options): Warn about system headers in -fvisibility=
6277 * doc/extend.texi (Other Builtins): Document that
6278 __builtin_nan is a compile-time constant only when its argument
6281 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6283 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6284 trying to remove TRUNCATE check if all bits outside the new mode
6285 are identical to the sign bit.
6287 2006-04-03 Jeff Law <law@redhat.com>
6289 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6290 and operand scanning in some common cases.
6292 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6293 Dale Johannesen <dalej@apple.com>
6296 * regclass.c (struct reg_pref): Update documentation.
6297 (regclass): Set prefclass to NO_REGS if memory is the best option.
6298 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6299 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6300 into account. For non-registers, equate an empty preferred
6301 reload class to a `!' in the constraint; move the if clause to
6302 do so after those that reject the insn.
6303 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6305 (find_dummy_reload): Likewise.
6306 * doc/tm.texi (Register Classes): Document what it means
6307 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6308 * config/i386/i386.c (ix86_preferred_reload_class): Force
6309 using SSE registers (and return NO_REGS for floating-point
6310 constants) if math is done with SSE.
6311 (ix86_preferred_output_reload_class): New.
6312 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6313 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6314 * config/i386/i386.md: Remove # register preferences.
6316 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6319 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6320 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6321 the type of nb_iter.
6322 (instantiate_parameters_1): Convert the operands before calling
6323 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6324 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6326 2006-04-02 Roger Sayle <roger@eyesopen.com>
6328 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6329 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6331 * dojump.c (do_jump): Likewise.
6332 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6333 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6334 gimplify_boolean_expr): Likewise.
6335 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6336 * varasm.c (array_size_for_constructor): Likewise.
6337 * tree-object-size.c (compute_object_offset): Likewise.
6339 2006-04-02 Roger Sayle <roger@eyesopen.com>
6342 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6343 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6345 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6347 PR tree-optimization/26939
6348 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6350 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6352 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6353 at_stmt. Convert the type of operands before calling
6354 build_polynomial_chrec.
6355 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6357 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6358 (instantiate_parameters_1): Convert the type of operands before calling
6359 build_polynomial_chrec.
6360 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6361 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6362 reset_evolution_in_loop): Insert asserts to check the types of the
6364 (chrec_type): Moved...
6365 (eq_evolutions_p): Use operand_equal_p.
6366 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6367 the types of the operands.
6368 (chrec_type): ...here.
6369 * tree-data-ref.c (create_data_ref): Convert the operands before
6370 calling chrec_replace_initial_condition.
6371 (same_access_functions, analyze_subscript_affine_affine,
6372 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6373 (compute_subscript_distance, analyze_ziv_subscript,
6374 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6375 analyze_miv_subscript): Convert the operands before calling
6376 chrec_fold_minus or chrec_fold_plus.
6378 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6380 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6381 the dependence_relations vector.
6382 (compute_data_dependences_for_loop): Adjust call to
6383 compute_all_dependences.
6385 2006-04-01 Roger Sayle <roger@eyesopen.com>
6386 Richard Henderson <rth@redhat.com>
6388 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6389 gimple_boolify on the condition before calling gimplify_expr.
6391 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6393 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6394 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6395 the frame size. Update to use the new macros.
6396 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6397 * config/xtensa/ieee754-df.S: Likewise.
6399 2006-03-31 Richard Henderson <rth@redhat.com>
6401 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6402 (make_edges): ... here. Control fallthru creation with a local
6403 variable. Do not play with fake edges.
6404 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6405 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6408 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6410 * dwarf2.h (DW64_CIE_ID): Define.
6411 * dwarf2out.c (DWARF_CIE_ID): Define.
6412 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6413 length header. Use DWARF_CIE_ID.
6414 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6415 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6417 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6419 * config/sh/linux-atomic.asm: New file.
6420 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6422 2006-03-31 DJ Delorie <dj@redhat.com>
6424 * config/m32c/cond.md: Set condition flags properly throughout.
6425 * config/m32c/minmax.md: Likewise.
6426 * config/m32c/prologue.md: Likewise.
6427 * config/m32c/bitops.md: Likewise.
6428 * config/m32c/muldiv.md: Likewise.
6429 * config/m32c/mov.md: Likewise.
6430 * config/m32c/addsub.md: Likewise.
6431 * config/m32c/m32c.md: Likewise.
6432 * config/m32c/jump.md: Likewise.
6433 * config/m32c/shift.md: Likewise.
6435 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6436 conditionally output the pattern for this.
6437 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6438 (m32c_compare_redundant): New.
6439 (m32c_output_compare): New.
6440 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6442 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6443 dest, not src. Allow other 4-byte modes.
6445 2006-03-30 Denis Chertykov <denisc@overta.ru>
6447 * doc/md.texi: Refer to avr/constraints.md instead of
6450 2006-03-30 Roger Sayle <roger@eyesopen.com>
6452 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6453 signed vs. unsigned comparison failures on some hosts.
6455 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6458 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6459 change to FLOAT_REGS.
6461 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6462 (rs6000_override_options): Use it.
6463 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6464 only for -mabi=spe/no-spe and -mabi=altivec.
6466 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6468 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6471 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6473 * Makefile.in: Rename docdir to gcc_docdir.
6475 2006-03-30 Roger Sayle <roger@eyesopen.com>
6478 * expr.c (emit_group_store): Optimize group stores into a pseudo
6479 register by using a paradoxical subreg to initialize the destination
6480 if the first or last member of the group specifies a "low part".
6482 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6485 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6486 * target.h (struct gcc_target.speculate_insn): Change type of the
6487 second parameter to 'int'.
6488 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6489 the second operand of the DEPS_LIST.
6490 (copy_DEPS_LIST_list): Update reference to the second operand of the
6492 * rtl.h (alloc_DEPS_LIST): Update signature.
6493 * sched-int.h (ds_t): Change typedef to 'int'.
6494 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6496 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6498 * haifa-sched.c (try_ready): Change condition to restore
6499 non-speculative pattern of the instruction.
6500 (process_insn_depend_be_in_spec): Code to keep probability of the
6501 speculative dependence non-decreasing.
6503 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6505 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6506 (single_move_for_movmem): ... this. Also change all uses.
6507 (bfin_expand_strmov): Renamed to...
6508 (bfin_expand_movmem): ... this. Also change all uses.
6509 * config/bfin/bfin.md (movstrsi): Renamed to...
6510 (movstrsi): ...this.
6512 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6514 PR tree-optimization/26830
6516 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6517 (copy_prop_visit_stmt): Remove write-only variable ann.
6518 (init_copy_prop): Check variable loop depth here. Do not simulate
6519 memory-tag and virtual operand PHIs except for store copy prop.
6521 2006-03-30 Richard Guenther <rguenther@suse.de>
6523 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6524 variants with double arguments.
6526 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6528 * genpreds.c (write_tm_constrs_h): Delete variable p.
6529 * genconditions.c (write_header): Add tm-constrs.h to included
6531 * genpeep.c (main): Add toplev.h to included headers.
6532 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6533 (build/genpeep.o): Add toplev.h dependency.
6534 * config/rs6000/constraints.md: Add "W" constraint.
6536 2006-03-29 Roger Sayle <roger@eyesopen.com>
6538 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6539 sizes by correctly testing whether the size fits a host integer.
6540 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6541 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6542 SImode range for the default sizetype and bitsizetype.
6544 2006-03-29 Roger Sayle <roger@eyesopen.com>
6546 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6547 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6548 quickly if the argument is already of the correct type.
6549 Call fold_build1 instead of build1. Tidy up blank lines.
6551 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6553 * genemit.c (main): Add tm-constrs.h to included headers.
6554 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6555 * genpeep.c (main): Add tm-constrs.h to included headers.
6556 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6557 (write_tm_constrs_h): this and write complete file.
6558 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6559 (write_insn_preds_c): Add tm-constrs.h to included headers.
6560 (gen_constrs): New variable.
6561 (parse_option): Parse "-c".
6562 (main): Invoke write_tm_constrs_h.
6563 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6564 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6565 (object_out_file): Add tm-constrs.h dependency.
6566 (insn-emit.o): Same.
6567 (insn-output.o): Same.
6568 (insn-peep.o): Same.
6569 (insn-preds.o): Same.
6570 (insn-recog.o): Same.
6571 (tm-constsr.h): New target.
6572 (s-constrs-h): New target.
6574 * config/rs6000/constraints.md: New file.
6575 * config/rs6000/rs6000.c: Include tm-constrs.h.
6576 (num_insn_constant_wide): Convert to satisfies_constraint.
6577 (rs6000_rtx_costs): Convert to satisfies_constraint.
6578 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6579 (CONST_OK_FOR_LETTER_P): Delete.
6580 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6581 (EXTRA_CONSTRAINT): Delete.
6582 (EXTRA_MEMORY_CONSTRAINT): Delete.
6583 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6584 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6585 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6586 satisfies_constraint.
6588 * config/i386/i386.c: Include tm-constrs.h.
6590 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6592 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6593 * tree-data-ref.c (find_data_references_in_loop,
6594 compute_data_dependences_for_loop): Use pointers to VEC.
6595 (analyze_all_data_dependences): Adjust calls.
6596 * tree-data-ref.h (find_data_references_in_loop,
6597 compute_data_dependences_for_loop): Adjust declarations.
6598 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6599 compute_data_dependences_for_loop.
6601 2006-03-29 Paul Brook <paul@codesourcery.com>
6603 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6606 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6608 PR tree-optimization/26859
6609 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6611 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6612 for the step after fold_convert.
6614 2006-03-29 Paul Brook <paul@codesourcery.com>
6616 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6617 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6619 2006-03-29 Paul Brook <paul@codesourcery.com>
6622 * targhooks.c (default_narrow_bitfield): New fuction.
6623 * targhooks.h (default_narrow_bitfield): add prototype.
6624 * target.h (gcc_target): Add narrow_volatile_bitfield.
6625 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6626 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6627 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6628 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6630 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6632 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6634 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6635 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6636 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6637 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6638 (s390_function_arg_float): Allow SDmode and DDmode values to be
6639 passed in floating point registers.
6640 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6641 check with SCALAR_FLOAT_MODE_P.
6642 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6644 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6646 PR tree-optimization/25985
6647 * tree-ssa-loop-niter.c (number_of_iterations_le,
6648 number_of_iterations_ne): Make comments more precise.
6649 (number_of_iterations_cond): Add only_exit argument. Use the
6650 fact that signed variables do not overflow only when only_exit
6652 (loop_only_exit_p): New.
6653 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6654 number_of_iterations_cond.
6656 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6658 PR tree-optimization/26643
6659 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6662 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6664 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6665 (divsi3_i4_int): Likewise.
6667 2006-03-28 Roger Sayle <roger@eyesopen.com>
6669 * expr.c (emit_group_store): Only create a new pseudo reg if the
6670 quantity it needs to hold isn't already a suitable pseudo.
6672 2006-03-28 Jeff Law <law@redhat.com>
6674 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6675 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6677 2006-03-28 Roger Sayle <roger@eyesopen.com>
6679 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6680 the equivalent ~X & Y, and the symmetry related transformations.
6681 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6682 ~X & Y, and symmetry related transforms.
6684 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6686 Revert my 2006-03-27 patches.
6688 2006-03-28 Roger Sayle <roger@eyesopen.com>
6690 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6691 ~(T1)X, when T1 and T2 are integer types of the same precision
6692 and (T2)X isn't an extension.
6694 2006-03-28 Jeff Law <law@redhat.com>
6696 PR tree-optimization/26796
6697 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6698 need EH edge cleanups rather than purging them immediately.
6699 (eliminate_degenerate_phis): Handle queued EH cleanups.
6701 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6703 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6706 2006-03-27 Roger Sayle <roger@eyesopen.com>
6709 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6710 cast BIT_NOT_EXPR operand to the correct type.
6712 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6714 * tree-loop-linear.c: Don't include varray.h.
6715 (gather_interchange_stats, try_interchange_loops,
6716 linear_transform_loops): Use VEC instead of VARRAY.
6717 * lambda-mat.c: Don't include varray.h.
6718 * tree-chrec.c: Same.
6719 * lambda-trans.c: Same.
6720 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6721 VEC instead of VARRAY.
6722 * tree-vectorizer.h: Idem.
6723 * tree-data-ref.c (dump_data_references,
6724 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6725 initialize_data_dependence_relation, finalize_ddr_dependent,
6726 compute_all_dependences, find_data_references_in_loop,
6727 compute_data_dependences_for_loop, analyze_all_data_dependences,
6728 free_dependence_relation, free_dependence_relations,
6729 free_data_refs): Idem.
6730 * tree-data-ref.h (data_reference_p, subscript_p): New.
6731 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6732 VEC instead of VARRAY.
6733 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6734 (find_data_references_in_loop, compute_data_dependences_for_loop,
6735 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6736 dump_data_dependence_relations, free_dependence_relations,
6737 free_data_refs): Adjust declaration.
6738 (lambda_transform_legal_p): Move declaration here...
6739 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6740 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6741 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6742 vect_analyze_data_refs): Use VEC instead of VARRAY.
6743 * lambda.h (lambda_transform_legal_p): ...from here.
6744 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6745 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6746 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6747 tree-chrec.o): Don't depend on VARRAY_H.
6749 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6751 * rtl.def (Copyright): Update date.
6752 (DEPS_LIST): Change type of the second operand to 'int'.
6753 * target.h (Copyright): Update date.
6754 (struct gcc_target.speculate_insn): Change type of the second parameter
6756 * lists.c (Copyright): Update date.
6757 (alloc_DEPS_LIST): Change signature. Update reference to the second
6758 operand of the DEPS_LIST.
6759 (copy_DEPS_LIST_list): Update reference to the second operand of the
6761 * rtl.h (Copyright): Update date.
6762 (alloc_DEPS_LIST): Update signature.
6763 * sched-int.h (Copyright): Update date.
6764 (ds_t): Change typedef to 'int'.
6765 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6767 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6769 * haifa-sched.c (Copyright): Update date.
6770 (try_ready): Change condition to restore non-speculative pattern
6772 (process_insn_depend_be_in_spec): Code to keep probability of the
6773 speculative dependence non-decreasing.
6775 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6777 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6778 shut up the compiler.
6780 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6782 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6783 to use lib prefix for target.
6784 ($(T)libic_invalidate_array_4-200.a): Likewise.
6785 ($(T)libic_invalidate_array_4a.a): Likewise.
6787 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6788 J"orn Rennecke <joern.rennecke@st.com>
6790 * superh.opt: New file.
6791 * sh.c (boardtype, osruntime): Remove.
6792 * superh.h (SUBTARGET_OPTIONS): Remove.
6793 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6795 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6796 arguments with ^ and/or [].
6798 * config.gcc (sh-*-*): Add quoting to account for quirk of
6800 Replace == with = in enable_incomplete_targets test.
6802 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6803 with MASK_LITTLE_ENDIAN.
6805 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6806 * config/sh/sh.opt: Added to some comments.
6807 * config/sh/superh.h: Removed some chaff.
6809 * config/sh/sh.opt: Add m4-[1234]00* options.
6810 * config/sh/sh.c (sh_handle_option): Likewise.
6811 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6812 (ic_invalidate_array_4-100.o): New rule.
6813 ($(T)libic_invalidate_array_4-100.a): Likewise.
6814 (ic_invalidate_array_4-200.o): Likewise.
6815 ($(T)libic_invalidate_array_4-200.a): Likewise.
6816 (ic_invalidate_array_4a.o): Likewise.
6817 ($(T)libic_invalidate_array_4a.a): Likewise.
6818 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6819 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6821 * config/sh/crt1.asm: Merged in profiling code.
6822 * config/sh/superh.h (STARTFILE_SPEC): Override.
6823 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6824 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6825 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6827 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6828 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6829 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6831 * sh.opt (mpretend-cmove): New option.
6832 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6833 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6834 (movsicc): Add TARGET_PRETEND_CMOVE code.
6836 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6838 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6839 s390_class_max_nregs): New function prototypes.
6840 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6841 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6842 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6843 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6845 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6847 * dwarf2out.c (add_location_or_const_value_attribute): Call
6848 tree_add_const_value_attribute if nothing else works.
6849 (reference_to_unused): New.
6850 (rtl_for_decl_init): Use reference_to_unused to decide whether
6851 to output an initializer.
6853 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6856 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6857 peephole removing spe frob_di_df_2.
6859 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6861 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6862 (subscript_dependence_tester_1): Declared.
6863 (print_dir_vectors, print_dist_vectors): New.
6864 (debug_data_dependence_relation): New.
6865 (dump_data_dependence_relation): Print more details.
6866 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6867 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6868 (save_dist_v, save_dir_v, add_outer_distances,
6869 build_classic_dist_vector_1): New.
6870 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6871 Don't test for lambda_vector_lexico_pos.
6872 (same_access_functions, add_multivariate_self_dist,
6873 add_other_self_distances, dir_from_dist): New.
6874 (build_classic_dir_vector): Replace implementation almost identical to
6875 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6877 (subscript_dependence_tester_1): New.
6878 (subscript_dependence_tester): Handle the lexicographically negative
6879 distance vectors by recomputing the dependence relation.
6880 (compute_affine_dependence): Remove parameter loop_nest_depth.
6881 (compute_self_dependence): Don't call compute_subscript_distance.
6882 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6883 Add a parameter for the loop_nest.
6884 (find_loop_nest_1, find_loop_nest): New.
6885 (compute_data_dependences_for_loop): Compute the loop nest, and give
6886 up if the nest is not well formed.
6887 * tree-data-ref.h (loop_p): New.
6888 (struct data_dependence_relation): Replace size_vect field with
6889 loop_nest, a vec of loops.
6890 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6891 (DDR_LOOP_NEST): New.
6892 (print_dir_vectors, print_dist_vectors,
6893 debug_data_dependence_relation): Declared.
6894 (index_in_loop_nest): New.
6895 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6896 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6899 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6901 * simplify-rtx.c (simplify_relational_operation): Call
6902 simplify_relational_operation_1 even if mode is VOIDmode.
6904 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6906 PR tree-optimization/26804
6907 * tree.h (DECL_CALL_CLOBBERED): New macro.
6908 (tree_decl_common): Add call_clobbered_flag.
6909 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6910 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6911 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6912 (mark_non_addressable): Ditto.
6913 * tree-ssa.c (verify_call_clobbered): New function.
6914 (verify_alias_info): Use it.
6915 * tree-pass.h (pass_reset_cc_flags): New prototype.
6916 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6917 (reset_cc_flags): New function.
6918 * passes.c (init_optimization_passes): Call reset_cc_flags after
6919 initializing referenced_vars.
6921 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6922 Roger Sayle <roger@eyesopen.com>
6925 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6926 to 1.0 for non-real operands. Implement A / A optimization for
6929 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6931 * config/i386/i386.c (size_cost): Correct the comment for
6932 cost of storing fp registers.
6933 (i386_cost): Likewise.
6934 (i486_cost): Likewise.
6935 (pentium_cost): Likewise.
6936 (pentiumpro_cost): Likewise.
6937 (k6_cost): Likewise.
6938 (athlon_cost): Likewise.
6939 (k8_cost): Likewise.
6940 (pentium4_cost): Likewise.
6941 (nocona_cost): Likewise.
6942 (generic64_cost): Likewise.
6943 (generic32_cost): Likewise.
6945 2006-03-24 Denis Chertykov <denisc@overta.ru>
6947 * config/avr/avr-protos.h (extra_constraint): Delete.
6948 (extra_constraint_Q): New declaration.
6949 * config/avr/constraints.md: New file.
6950 * config/avr/avr.md: Include it.
6951 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6952 (TMP_REGNO, ZERO_REGNO): Likewise.
6953 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6954 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6955 (extra_constraint): Delete.
6956 (extra_constraint_Q): Test for memory constraint 'Q'.
6957 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6958 (REG_CLASS_FROM_LETTER): Delete.
6959 (CONST_OK_FOR_LETTER_P): Delete.
6960 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6961 (EXTRA_CONSTRAINT): Delete.
6962 (TMP_REGNO): Delete.
6963 (ZERO_REGNO): Delete.
6965 2006-03-24 Jeff Law <law@redhat.com>
6967 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6968 directly. Call mark_new_vars_to_rename slightly earlier.
6970 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6972 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6974 (gen_compile_unit_die): Use new language types for Objective-C and
6976 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6977 DW_LANG_C_plus_plus.
6980 * config/t-darwin (crt3.o): Work around bug 26840.
6981 * config/darwin-crt3.c: Rewrite.
6982 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6984 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6986 * doc/invoke.texi: Document -femit-class-debug-always
6987 * common.opt: Add -femit-class-debug-always.
6989 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6991 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6992 index and base register.
6993 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6994 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6995 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6996 REGNO_OK_FOR_INDEX_P.
6997 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6999 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7000 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7001 REG_OK_FOR_BASE_P): Definitions removed.
7003 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7006 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7007 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7008 set yet or weren't marked as local yet.
7010 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7012 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7015 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7017 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7018 (rs6000_legitimate_small_data_p): Delete.
7019 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7020 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7021 and make static. Add forward declaration. Update uses.
7022 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7023 of offsettable_memref_p.
7024 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7025 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7027 2006-03-24 Jeff Law <law@redhat.com>
7029 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7030 around bug in immediate-use iterator.
7032 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7035 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7036 or __LITTLE_ENDIAN__.
7038 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7040 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7041 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7042 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7043 * config/sh/sh.opt (mdiv=): Amend description.
7044 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7045 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7046 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7047 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7048 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7049 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7050 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7051 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7052 TARGET_DIVIDE_CALL_FP.
7054 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7056 * haifa-sched.c (choose_ready): Fix type of the local variable.
7057 Move local variables. Add comment.
7058 (check_reg_live): Change signature. Make callable from debugger.
7059 * sched-int.h (check_reg_live): Update signature.
7060 * sched-ebb.c (check_reg_live): Update parameters.
7061 * sched-rgn.c (check_reg_live): Ditto.
7062 (region_head_or_leaf_p): Check pointer before dereferencing.
7063 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7064 before reload on optimization levels below 1.
7066 2006-03-23 Richard Henderson <rth@redhat.com>
7068 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7072 * config/alpha/predicates.md (local_symbolic_operand): Reject
7075 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7078 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7079 expressions which have overflowed constants.
7081 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7083 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7085 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7087 * cfgloopmanip.c (create_loop_notes): Removed.
7088 * final.c (final_scan_insn): Do not handle loop notes.
7089 * jump.c (squeeze_notes): Ditto.
7090 * cfglayout.c (skip_insns_after_block,
7091 duplicate_insn_chain): Ditto.
7092 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7094 * cfgloop.h (create_loop_notes): Declaration removed.
7096 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7098 * varasm.c (output_constant_pool): Restore fnname and fndecl
7100 (assemble_start_function): Adjust call accordingly.
7101 (assemble_end_function): Likewise.
7103 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7106 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7109 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7111 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7114 * system.h (ICE_EXIT_CODE): New macro.
7115 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7116 (diagnostic_action_after_output): Likewise.
7117 * gcc.c (fatal_ice): New function.
7118 (execute): Use it instead of fatal.
7119 (fancy_abort): Likewise.
7120 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7122 2006-03-22 Jeff Law <law@redhat.com>
7124 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7125 iv_analyze_result returning false.
7127 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7129 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7131 2006-03-22 Richard Henderson <rth@redhat.com>
7134 * except.c (duplicate_eh_regions_0): New.
7135 (duplicate_eh_region_1): Duplicate the children of the node as
7136 well as the node itself. Link them up properly.
7137 (duplicate_eh_region_2): Merge into ...
7138 (duplicate_eh_regions): ... here. Take copy_region argument, and
7139 copy only a sub-tree if asked. Simplify copying and fixup.
7140 (eh_region_outer_p): New.
7141 * except.h (duplicate_eh_regions): Update decl.
7142 (eh_region_outer_p): Declare.
7143 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7144 (lower_omp_master): Likewise.
7145 (lower_omp_ordered): Likewise.
7146 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7147 (move_stmt_r): Use it to remap labels. Handle recursion vs
7148 remap_decls_p properly.
7149 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7150 (find_outermost_region_in_block): New.
7151 (new_label_mapper): New.
7152 (move_sese_region_to_fn): Copy eh information to the new function
7154 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7156 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7159 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7161 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7162 into shared libraries.
7164 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7166 * doc/md.texi: Refer to i386/constraints.md instead of
7168 * config/i386/constraints.md: New file, extracted from...
7169 * config/i386/predicates.md: ...here.
7170 * config/i386/i386.md: Include constraints.md.
7172 2006-03-21 Jason Merrill <jason@redhat.com>
7174 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7177 * expr.c (init_block_move_fn): Force default visibility.
7178 (init_block_clear_fn): Likewise.
7179 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7180 * targhooks.c (default_external_stack_protect_fail): Likewise.
7182 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7184 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7185 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7186 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7187 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7188 (loadgp): Use mips_current_loadgp_style.
7189 (loadgp_noshared): New pattern.
7190 (sibcall_internal): Use MIPS_CALL.
7191 (sibcall_value_internal): Likewise.
7192 (sibcall_value_multiple_internal): Likewise.
7193 (call_internal): Likewise.
7194 (call_value_internal): Likewise.
7195 (call_value_multiple_internal): Likewise.
7196 (call_split): Use MIPS_CALL and add an 'S' constraint.
7197 (call_value_split): Likewise.
7198 (call_value_multiple_split): Likewise.
7199 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7200 (-mshared): New option.
7201 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7202 (mips_current_loadgp_style): Declare.
7203 * config/mips/mips.c (mips_classify_symbol): Avoid using
7204 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7205 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7206 TARGET_ABSOLUTE_ABICALLS.
7207 (override_options): Adjust comments. Improve the warning that is
7208 issued when -mabicalls and -G are used together.
7209 (mips_file_start): Remove comment.
7210 (mips_current_loadgp_style): New function.
7211 (mips_gnu_local_gp): New variable.
7212 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7214 (mips_output_function_prologue): Use mips_current_laodgp_style.
7215 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7216 the cprestore instruction.
7217 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7218 live for TARGET_ABSOLUTE_ABICALLS.
7219 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7220 (ASM_SPEC): Pass down -mshared and -mno-shared.
7221 (MIPS_CALL): New macro.
7222 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7224 * doc/invoke.texi (-mabicalls): Update documentation.
7225 (-mshared): Document.
7227 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7229 * config/ia64/unwind-hpux.c: New file.
7230 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7232 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7235 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7237 2006-03-21 Jeff Law <law@redhat.com>
7239 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7240 type conversions of a VR_VARYING source to a wider type.
7242 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7244 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7245 tm_file on Solaris 10 and later.
7246 (sparc64-*-solaris2*): Likewise.
7247 (sparc-*-solaris2*): Likewise.
7248 * config/sol26.h: Rename to config/sol2-6.h.
7249 * config/sol2-10.h: New file.
7251 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7254 * tree-ssa-pre.c (create_component_ref_by_pieces):
7257 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7260 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7261 return it immediately.
7263 2006-03-21 Michael Matz <matz@suse.de>
7265 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7267 (remove_arc, add_arc): Update num_out_arcs member.
7268 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7270 (cache_presence): New function.
7271 (compare_states_for_equiv): New function.
7272 (state_is_differed): Don't take number of outargs, adjust callers.
7273 Use new invariant for speeding up.
7274 (init_equiv_class): Create initial classes based on sorted
7276 (partition_equiv_class): Don't track out_arcs_num.
7277 (evaluate_equiv_classes): Call cache_presence on all states and
7280 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7282 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7283 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7284 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7285 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7287 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7288 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7289 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7290 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7291 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7293 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7294 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7295 (REGNO_REG_CLASS): ARGP is in PREGS.
7296 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7298 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7299 to deal with those addresses.
7300 * addresses.h: New file.
7301 * caller-save.c: Include "addresses.h".
7302 (init_caller_save): Use new base_reg_class function.
7303 * rtl-factoring.c: Include "addresses.h".
7304 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7305 * recog.c: Include "addresses.h".
7306 (preprocess_constraints): Use new base_reg_class function.
7307 * regrename.c: Include "addresses.h".
7308 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7309 functions. Keep track of a new var INDEX_CODE to compute valid
7311 (replace_oldest_value_addr): Likewise.
7312 (replace_oldest_value_mem): Use base_reg_class.
7313 * reload.c: Include "addresses.h".
7314 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7315 (find_reloads): Use new base_reg_class function.
7316 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7317 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7318 all callers and prototype changed.
7319 * reload1.c: Include "addresses.h".
7320 (maybe_fix_stack_asms): Use base_reg_class.
7321 * regclass.c: Include "addresses.h".
7322 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7323 (init_reg_autoinc): Use new base_reg_class function.
7324 (record_reg_classes): Likewise.
7325 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7326 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7327 Use new args to compute necessary class.
7329 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7330 regrename.o, rtl-factoring.o): Update dependencies.
7331 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7332 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7333 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7334 REG_OK_FOR_INDEX_P): Delete documentation.
7336 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7338 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7339 from V7 to V9 for Solaris 7 and above.
7341 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7343 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7344 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7345 argument pointers may not alias any other storage.
7346 * common.opt: Define option -fargument-noalias-anything.
7347 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7348 alias semantics is specified by flag_argument_noalias > 2.
7350 2006-03-20 Jeff Law <law@redhat.com>
7352 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7353 (pass_phi_only_cprop): Declare.
7354 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7356 * tree-ssa-dom.c (degenerate_phi_result): New function.
7357 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7358 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7359 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7360 (eliminate_degenerate_phis): Likewise.
7361 (pass_phi_only_cprop): New pass descriptor.
7362 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7363 support code. Callers updated.
7364 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7365 (store_copy_prop): Likewise.
7366 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7368 2006-03-20 Jason Merrill <jason@redhat.com>
7371 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7372 (push_visibility, pop_visibility): Likewise.
7373 * c-pragma.h: Declare them.
7375 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7377 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7379 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7380 parameter and use get_ebb_head_tail.
7381 (sh_md_init_global): Adjust uses of find_regmode_weight.
7383 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7385 * function.h (struct function) <x_tail_recursion_reentry>:
7386 Rename to x_stack_check_probe_note.
7387 (tail_recursion_reentry): Rename to stack_check_probe_note.
7388 * function.c: Replace tail_recursion_reentry with
7389 stack_check_probe_note everywhere.
7390 (expand_function_start): Only emit a note for
7391 stack_check_probe_note with -fstack-protect.
7392 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7394 * emit-rtl.c (remove_unnecessary_notes): Remove.
7395 (pass_remove_unnecessary_notes): Remove.
7396 * rtl.h (remove_unnecessary_notes): Remove prototype.
7397 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7398 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7399 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7401 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7404 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7405 (valid_in_set): Handle ARRAY_REF.
7406 Change "if min_variant or VH" to asserts.
7407 (create_component_ref_by_pieces): Handle ARRAY_REF.
7408 (create_expression_by_pieces): Likewise.
7409 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7411 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7413 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7414 is operand of switch, not str[0].
7416 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7418 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7419 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7421 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7423 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7424 end of insn_extra_address_constraint declaration.
7426 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7428 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7429 (no-sum-in-toc): Same.
7430 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7432 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7433 NO_FP_IN_TOC for -fPIC instead of mask.
7435 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7436 (BOOT_LDFLAGS): Delete.
7438 * config/rs6000/t-aix52: Same.
7440 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7441 (stmsi[345678]_power): New.
7443 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7445 * config/ia64/ia64.opt: Add empty line to end of file.
7447 2006-03-17 Richard Guenther <rguenther@suse.de>
7450 * builtins.c (get_pointer_alignment): For component style references
7451 adjust alignment to the component type alignment. Make sure
7452 to adjust alignment for component access of constants.
7454 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7456 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7459 2006-03-17 Paul Brook <paul@codesourcery.com>
7461 * doc/install.texi: Docuemnt --with-mode.
7462 * config.gcc: Add --with-mode for arm*-*-*.
7463 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7465 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7467 * sh.c (max_labelno_before_reorg): New variable.
7468 (sh_reorg): Initialize it.
7469 (find_barrier): Check max_labelno_before_reorg before using
7470 label_to_alignment. Take length of explicit alignment insns
7471 into account. When seeing a UNSPECV_CONST_END, return it.
7473 * sh.c (fixup_mova): Set mode of affected label to QImode.
7474 (untangle_mova): New function.
7475 (find_barrier): Use it. Check mode of label before decrementing
7477 (sh_reorg): Likewise.
7478 Set mode of all insns back to VOIDmode.
7480 * sh.c (MOVA_LABELREF): New macro.
7481 (mova_p, fixup_mova, sh_reorg): Use it.
7482 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7483 ADDR_DIFF_VEC matches mova.
7485 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7487 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7488 with ATTRIBUTE_UNUSED.
7490 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7492 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7493 pointer, instead of assuming it is possible to derive the
7494 correct args size from a call insn.
7496 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7498 * rtl.h (CONST_INT_P): Define.
7499 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7500 instead of GET_CODE(x) == CONST_INT.
7501 (vax_rtx_costs): Likewise.
7502 (vax_output_int_move): Likewise.
7503 (vax_output_int_add): Likewise.
7504 (legitimate_constant_address_p): Likewise.
7505 (index_term_p): Likewise.
7506 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7507 * config/vax/vax.md (and<mode>3): Likewise.
7508 (ashrsi3): Likewise.
7510 (movstricthi): Likewise.
7511 (movstrictqi): Likewise.
7512 (rotrsi3): Likewise.
7513 (five unnamed insns): Likewise.
7515 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7517 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7518 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7519 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7520 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7521 Pass to ASM_OUTPUT_DWARF_OFFSET.
7522 * dwarf2out.c (debug_frame_section): New.
7523 (output_call_frame_info): Use debug_frame_section. Pass it to
7524 dw2_asm_output_offset.
7525 (output_die): Pass appropriate section to dw2_asm_output_offset.
7526 (output_compilation_unit_header): Likewise.
7527 (output_pubnames): Likewise.
7528 (output_aranges): Likewise.
7529 (enum dw_val_class): Break dw_val_class_lbl_offset into
7530 dw_val_class_lineptr and dw_val_class_macptr.
7531 (add_AT_lbl_offset): Delete.
7532 (add_AT_lineptr): New.
7533 (add_AT_macptr): New.
7534 (AT_lbl): Expect a lineptr or macptr.
7535 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7536 (attr_checksum): Likewise.
7537 (same_dw_val_p): Likewise.
7538 (size_of_die): Likewise.
7539 (value_format): Likewise.
7540 (output_die): Likewise.
7541 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7543 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7544 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7545 * config/darwin-protos.h (darwin_file_start): New.
7546 (darwin_asm_output_dwarf_offset): New.
7547 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7548 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7550 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7551 if not EH section; simplify.
7552 (darwin_file_start): New.
7553 (darwin_asm_output_dwarf_offset): New.
7554 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7556 (DEBUG_INFO_SECTION): Likewise.
7557 (DEBUG_ABBREV_SECTION): Likewise.
7558 (DEBUG_ARANGES_SECTION): Likewise.
7559 (DEBUG_MACINFO_SECTION): Likewise.
7560 (DEBUG_LINE_SECTION): Likewise.
7561 (DEBUG_LOC_SECTION): Likewise.
7562 (DEBUG_PUBNAMES_SECTION): Likewise.
7563 (DEBUG_STR_SECTION): Likewise.
7564 (DEBUG_RANGES_SECTION): Likewise.
7565 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7566 (ASM_OUTPUT_DWARF_OFFSET): New.
7568 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7570 * config.gcc (tm_defines): Always add to previous value rather
7573 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7575 * config/mips/predicates.md (splittable_const_int_operand): New,
7576 split from move_operand.
7577 (splittable_symbolic_operand): New.
7578 (move_operand): Add commentary. Use splittable_const_int_operand.
7579 Inline mips_atomic_symbolic_constant_p.
7580 * config/mips/mips.md: Add combine splitters for handling moves
7581 of splittable_const_int_operands and splittable_symbolic_operands.
7582 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7583 (mips_split_symbol): Declare.
7584 (mips_move_integer): Declare.
7585 * config/mips/mips.c (mips_split_p): Make global.
7586 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7587 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7588 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7589 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7590 (mips_offset_within_object_p): Handle block symbols.
7591 (mips_atomic_symbolic_constant_p): Delete.
7592 (mips_cannot_force_const_mem): Return false for constants that
7593 mips_legitimize_move can handle.
7594 (mips_use_blocks_for_constant_p): New function.
7595 (mips_split_symbol): Make global.
7596 (mips_move_integer): Likewise. Add a temporary register argument.
7597 (mips_legitimize_const_move): Use splittable_const_int_operand and
7598 splittable_symbolic_operand.
7599 (mips_use_anchors_for_symbol_p): New function.
7600 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7601 (mips_split_p): Declare.
7603 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7605 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7606 (mips*-*-linux*): Likewise.
7608 2006-03-16 Roger Sayle <roger@eyesopen.com>
7609 Daniel Speyer <dspeyer@wam.umd.edu>
7612 * tree-dump.c (dump_real): New function.
7613 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7614 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7615 (tree-dump.o): Add $(REAL_H) to the dependencies.
7617 2006-03-16 Roger Sayle <roger@eyesopen.com>
7620 * real.c (real_from_string): If the mantissa is zero, don't bother
7621 parsing the exponent as the result should always be zero.
7623 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7625 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7627 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7629 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7630 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7631 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7632 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7633 ia64_sched_finish_global): New static functions to implement
7634 hooks from gcc_target.sched.
7635 (spec_check_no, max_uid, pending_data_specs): New static variables.
7636 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7637 ia64_spec_check_src_p): New static functions.
7638 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7639 (TARGET_SCHED_ADJUST_COST): Removed.
7640 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7641 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7642 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7643 TARGET_SCHED_GEN_CHECK,
7644 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7645 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7646 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7647 Fixed to handle speculation checks.
7648 (rtx_needs_barrier): Fixed to handle speculative loads and
7650 (ia64_variable_issue): Added code to count speculative loads and their
7652 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7654 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7656 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7658 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7659 (ia64_reorg): Reset stops_p to NULL after it is freed.
7660 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7661 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7662 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7664 (data_speculative, control_speculative, check_load): New attributes.
7665 (mov<mode>_advanced, mov<mode>_speculative,
7666 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7667 zero_extend<mode>di2_speculative,
7668 zero_extend<mode>di2_speculative_advanced): New patterns for
7669 data and control speculative loads.
7670 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7672 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7673 New pattern for data and control speculation checks.
7674 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7675 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7676 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7677 Auxiliary definitions for the patterns.
7678 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7679 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7681 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7683 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7684 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7685 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7686 New resource constraints.
7687 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7689 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7690 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7691 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7692 msched-in-control-spec, msched-ldc, msched-control-ldc,
7693 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7694 msched-prefer-non-control-spec-insns,
7695 msched-count-spec-in-critical-path): New flags to tune speculative
7697 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7698 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7699 msched-in-control-spec, msched-ldc, msched-control-ldc,
7700 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7701 msched-prefer-non-control-spec-insns,
7702 msched-count-spec-in-critical-path): Document new flags.
7704 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7706 * target.h (struct spec_info_def): New opaque declaration.
7707 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7708 speculate_insn, needs_block_p, gen_check,
7709 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7710 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7711 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7712 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7713 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7714 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7716 (TARGET_SCHED): Use new macros.
7717 * rtl.h (copy_DEPS_LIST_list): New prototype.
7718 * sched-int.h (struct sched_info): Change signature of new_ready field,
7719 adjust all initializations. New fields: add_remove_insn,
7720 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7721 region_head_or_leaf_p.
7722 (struct spec_info_def): New structure declaration.
7723 (spec_info_t): New typedef.
7724 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7725 recovery_block, orig_pat.
7726 (glat_start, glat_end): New variables declaraions.
7727 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7729 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7730 DETACH_LIFE_INFO, USE_GLAT.
7731 (enum SPEC_SCHED_FLAGS): New enumeration.
7732 (NOTE_NOTE_BB_P): New macro.
7733 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7734 attach_life_info, debug_spec_status, check_reg_live): New functions.
7735 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7736 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7738 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7739 * ddg.c (get_block_head_tail): Adjust all uses.
7740 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7741 (sms_sched_info): Initialize new fields.
7742 (contributes_to_priority): Removed.
7743 * haifa-sched.c (params.h): New include.
7744 (get_block_head_tail): Adjust all uses.
7745 (ISSUE_POINTS): New macro.
7746 (glat_start, glat_end): New global variables.
7747 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7748 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7749 old_last_basic_block, before_recovery, current_sched_info_var,
7750 rgn_n_insns, luid): New static variables.
7751 (insn_cost1): New function. Move logic from insn_cost to here.
7752 (find_insn_reg_weight1): New function. Move logic from
7753 find_insn_reg_weight to here.
7754 (reemit_notes, move_insn, max_issue): Change signature.
7755 (move_insn1): Removed.
7756 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7757 extend_bb): New static functions to support extension of scheduler's
7759 (generate_recovery_code, process_insn_depend_be_in_spec,
7760 begin_speculative_block, add_to_speculative_block,
7761 init_before_recovery, create_recovery_block, create_check_block_twin,
7762 fix_recovery_deps): New static functions to support
7763 generation of recovery code.
7764 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7765 restore_bb_notes, move_block_after_check, move_succs): New static
7766 functions to support ebb scheduling.
7767 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7768 functions to support handling of register live information.
7769 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7770 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7771 add_jump_dependencies): New static functions.
7772 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7773 consistancy checking.
7774 (debug_spec_status): New function to call from debugger.
7775 (priority): Added code to handle speculation checks.
7776 (rank_for_schedule): Added code to distinguish speculative instructions.
7777 (schedule_insn): Added code to handle speculation checks.
7778 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7779 Fixed to handle ebbs.
7780 (move_insn): Added code to handle ebb scheduling.
7781 (max_issue): Added code to use ISSUE_POINTS of instructions.
7782 (choose_ready): Added code to choose between speculative and
7783 non-speculative instructions.
7784 (schedule_block): Added code to handle ebb scheduling and scheduling of
7785 speculative instructions.
7786 (sched_init): Initialize new variables.
7787 (sched_finish): Free new variables. Print statistics.
7788 (try_ready): Added code to handle speculative instructions.
7789 * lists.c (copy_DEPS_LIST_list): New function.
7790 * sched-deps.c (extend_dependency_caches): New function. Move logic
7791 from create_dependency_caches to here.
7792 (get_dep_weak, ds_merge): Make global.
7793 * genattr.c (main): Code to output prototype for
7794 dfa_clear_single_insn_cache.
7795 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7796 (output_dfa_clean_insn_cache_func): Code to output
7797 dfa_clear_single_insn_cache function.
7798 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7800 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7802 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7803 New static variables.
7804 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7805 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7807 (ebb_sched_info): Initialize new fields.
7808 (get_block_head_tail): Adjust all uses.
7809 (compute_jump_reg_dependencies): Fixed to use glat_start.
7810 (schedule_ebb): Code to remove unreachable last block.
7811 (schedule_ebbs): Added code to update register live information.
7812 * sched-rgn.c (region_sched_info): Initialize new fields.
7813 (get_block_head_tail): Adjust all uses.
7814 (last_was_jump): Removed. Adjust users.
7815 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7816 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7817 Implement new hooks.
7818 (check_dead_notes1): New static function.
7819 (struct region): New fields: dont_calc_deps, has_real_ebb.
7820 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7821 (BB_TO_BLOCK): Fixed to handle EBBs.
7822 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7823 (ebb_head): New static variable.
7824 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7825 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7827 (compute_dom_prob_ps): New assertion.
7828 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7829 global_live_at_start.
7830 (init_ready_list): New assertions.
7831 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7832 (new_ready): Add support for BEGIN_CONTROL speculation.
7833 (schedule_insns): Fixed code that updates register live information
7835 (schedule_region): Fixed to handle EBBs.
7836 (init_regions): Use extend_regions and check_dead_notes1.
7837 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7838 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7839 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7840 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7841 TARGET_SCHED_GEN_CHECK,
7842 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7843 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7844 * doc/invoke.texi (max-sched-insn-conflict-delay,
7845 sched-spec-prob-cutoff): Document.
7847 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7849 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7850 inter_tick, queue_index.
7851 (struct sched_info): Change signature of init_ready_list field.
7852 Adjust all initializations.
7853 (RESOLVED_DEPS): New access macro.
7854 (ready_add): Remove prototype.
7855 (try_ready): Add prototype.
7856 * sched-rgn.c (init_ready_list): Use try_ready.
7857 (schedule_region): Initialize
7858 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7859 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7860 (init_ready_list): Use try_ready.
7861 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7862 * lists.c (remove_list_elem): Remove `static'.
7863 (remove_free_INSN_LIST_elem): New function.
7864 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7865 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7866 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7868 (readyp): New variable.
7869 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7870 change_queue_index, resolve_dep): New static functions.
7871 (try_ready): New function. Adjust callers in sched-rgn.c and
7872 sched-ebb.c to use it instead of ready_add.
7873 (clock_var): Move at the begining of file.
7874 (rank_for_schedule): Fix typo.
7875 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7876 (ready_lastpos): Enforce assertion.
7877 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7879 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7880 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7881 (queue_to_ready): Use free_INSN_LIST_list.
7882 (early_queue_to_ready): Fix typo.
7883 (schedule_block): Init readyp. Move init_ready_list call after the
7884 initialization of clock_var. Fix error in rejecting insn by
7885 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7886 that previously corrected INSN_TICKs. Add code for handling
7888 (set_priorities): Fix typo.
7889 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7890 Clarify comment and code that keeps current_sched_info->next_tail
7893 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7895 * sched-rgn.c (extend_rgns): New static function.
7896 (find_rgns): Use it.
7897 (gather_region_statistics, print_region_statistics): New static
7899 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7900 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7902 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7903 Andrey Belevantsev <abel@ispras.ru>
7905 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7906 * lists.c (unused_deps_list): New variable.
7907 (free_list): Add assertions to verify the proper distinguishing
7908 between INSN_LISTs and DEPS_LISTs.
7909 (find_list_elem, remove_list_elem, remove_list_node): New static
7911 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7912 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7913 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7914 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7916 (free_INSN_LIST_node): Likewise.
7917 * modulo-sched.c (current_sched_info): Initialize flags field.
7918 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7919 * rtl.def (DEPS_LIST): Define.
7920 * rtl.h: Declare new functions from lists.c.
7921 * sched-deps.c (spec_dependency_cache): New static variable.
7922 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7923 (add_dependence): Change return type to void. Move the logic to ...
7924 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7925 (delete_all_dependences): Add comment about forward_dependency_cache.
7926 Handle spec_dependency_cache. Handle DEPS_LISTs.
7927 (fixup_sched_groups): Clarify the change of priority of output
7928 and anti dependencies.
7929 (sched_analyze_2): Adjust add_dependence calls to create data
7930 speculative dependence.
7931 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7932 Adjust all callers. Handle DEPS_LISTS.
7933 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7934 presence of speculation.
7935 (init_dependency_caches, free_dependency_caches):
7936 Handle spec_dependency_cache.
7937 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7938 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7939 New static functions.
7940 (add_or_update_back_dep, add_or_update_back_forw_dep,
7941 add_back_forw_dep, delete_back_forw_dep): New functions.
7942 * sched-int.h (ds_t, dw_t): New typedefs.
7943 (struct sched_info): Add new field flags.
7944 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7945 Prototype new sched-deps.c functions.
7946 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7947 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7948 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7949 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7950 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7951 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7953 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7955 * sched-rgn.c (current_sched_info): Initialize flags field.
7956 (schedule_insns): Initialize current_sched_info before the sched_init
7958 * sched-ebb.c (current_sched_info): Initialize flags field.
7959 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7960 Call add_or_update_back_dep instead of add_dependence.
7961 Create control speculative dependencies.
7962 (schedule_insns): Initialize current_sched_info before the sched_init
7965 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7967 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7969 (sh_fallback_frame_state): Likewise.
7971 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7973 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7974 Do switch on default_use_cxa_atexit.
7975 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7976 * config/darwin-crt3.o: New.
7977 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7978 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7979 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7981 * config/rs6000/t-darwin: Move crt2.o building to here.
7982 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7983 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7986 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7988 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7989 from '! xxx' to '!xxx' for coding-style conformance.
7990 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7991 (EXTRA_CONSTRAINT): Likewise.
7992 * config/vax/vax.md (four unnamed insns): Likewise.
7994 2006-03-15 Paul Brook <paul@codesourcery.com>
7996 * config/arm/arm.c (minipool_pad): New.
7997 (add_minipool_forward_ref): Include pool alignment padding in address
7999 (push_minipool_fix): Set minipool_pad.
8000 (minipool_pad): Ditto.
8002 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8004 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8005 instead of GET_CODE() == MEM and REG_P() instead of
8007 (print_operand_address): Likewise.
8008 (vax_address_cost): Likewise.
8009 (vax_rtx_costs): Likewise.
8010 (vax_notice_update_cc): Likewise.
8011 (vax_output_int_add): Likewise.
8012 (INDEX_REGISTER_P): Likewise.
8013 (BASE_REGISTER_P): Likewise.
8014 (nonindexed_address_p): Likewise.
8015 (vax_mode_dependent_address_p): Likewise.
8016 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8017 (PRINT_OPERAND): Likewise.
8018 * config/vax/vax.md (ashlsi3): Likewise.
8019 (ashlsi3): Likewise.
8020 (some more unnamed insns): Likewise.
8022 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8024 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8025 iterator-style macro.
8026 (mark_control_dependent_edges_necessary): Update the use of
8027 EXECUTE_IF_CONTROL_DEPENDENT.
8029 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8031 * config/sh/predicates.md (cache_address_operand): Special.
8032 (ua_address_operand): Likewise.
8034 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8036 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8038 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8040 2006-03-15 Andreas Schwab <schwab@suse.de>
8042 * gensupport.c (identify_predicable_attribute): Don't free p_false
8043 when it is still in use.
8045 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8047 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8048 the default setting here.
8050 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8052 * tree-pass.h (pass_cfg): Remove.
8053 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8054 * passes.c (pass_cfg): Don't run it.
8056 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8058 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8059 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8061 (stack_regs_mentioned): Update the uses of
8062 stack_regs_mentioned_data. Don't access the array beyond its
8064 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8065 Don't include gt-reg-stack.h.
8067 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8068 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8070 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8073 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8076 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8078 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8080 2006-03-14 Richard Guenther <rguenther@suse.de>
8082 PR tree-optimization/26672
8083 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8086 2006-03-14 Richard Guenther <rguenther@suse.de>
8088 PR tree-optimization/26667
8089 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8090 node for the callees. Always allow inlining if it will shrink
8093 2006-03-14 Richard Guenther <rguenther@suse.de>
8096 * builtins.c (get_pointer_alignment): Prefer alignment
8097 information from decls over that from types.
8099 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8102 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8104 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8106 * config/rs6000/rs6000.opt (mdlmzb): New option.
8107 (msched-prolog, msched-epilog): Use Var not Mask.
8108 * doc/invoke.texi (-mdlmzb): Document.
8109 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8111 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8112 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8114 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8116 PR rtl-optimization/25739
8117 * bt-load.c (augment_live_range): Free tos pointer.
8119 * gensupport.c (identify_predicable_attribute): Free
8121 * gcov.c (create_file_names): Free name pointer.
8123 2006-03-13 Roger Sayle <roger@eyesopen.com>
8126 * stmt.c (emit_case_nodes): Handle the case where the index is a
8127 CONST_INT, where the comparison mode is specified by the index type.
8129 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8131 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8134 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8136 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8137 (*branch_fp_inverted): Likewise.
8139 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8142 * omp-low.c (expand_omp_for_generic): Mark istart0
8143 and iend0 as addressable.
8145 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8147 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8149 2006-03-13 Jeff Law <law@redhat.com>
8151 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8152 virtual operands are interesting.
8153 (vrp_visit_stmt): Corresponding changes.
8155 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8157 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8159 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8160 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8161 * config/bfin/crti.S: Use it instead of __PIC__.
8162 * config/bfin/crtn.S: Likewise.
8164 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8165 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8167 Lose 'G' modifier for call operand.
8168 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8169 recognize 'G' modifier.
8171 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8174 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8175 * stmt.c (expand_case): Likewise.
8177 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8179 PR rtl-optimization/26254
8180 * loop-invariant.c (seq_insns_valid_p): New function.
8181 (move_invariant_reg): Only emit new code if it is valid.
8183 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8185 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8187 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8188 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8189 (commit_one_edge_insertion): Do not look for loop notes.
8191 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8193 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8194 flag_test_coverage out of loop.
8196 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8198 * final.c (shorten_branches): Remove outdated comment, and turn
8199 the if branch that guards it to continue.
8201 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8203 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8204 * cfgloop.h (struct loop): Remove unused fields.
8206 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8208 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8209 (-dL, -fdump-rtl-loop2): Update the dump file names
8211 * doc/invoke.texi: Update dump file names.
8213 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8215 * predict.c (estimate_probability): Remove.
8216 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8217 * basic-block.h (estimate_probability): Remove prototype.
8218 * passes.c (finish_optimization_passes): Dump branch prediction or
8219 profiling heuristics to the .profile tree dump.
8220 (init_optimization_passes): Unqueue pass_branch_prob.
8222 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8224 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8226 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8227 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8229 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8231 * function.h (frame_offset_overflow): Declare.
8232 * function.c (frame_offset_overflow): New function.
8233 (assign_stack_local_1): Call it to detect that the offset overflows.
8234 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8236 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8238 * config/sh/sh.c: Include alloc-pool.h.
8239 (label_ref_list_pool): New alloc pool.
8240 (label_ref_list_t): New type for lists of labels.
8241 (struct pool_node): Make wend a label_ref_list_t.
8242 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8244 (dump_table): Likewise.
8245 (sh_reorg): Set up the alloc pool before using add_constant and
8246 dump_table, and destroy it when finishing.
8248 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8250 * config/mips/mips.c: Remove redundant comment.
8252 2006-03-10 Jason Merrill <jason@redhat.com>
8255 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8256 the target was declared 'register'.
8258 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8260 * genpreds.c (write_insn_constraint_len): Change definition of
8261 insn_constraint_len to return size_t to match the declaration.
8263 2006-03-10 DJ Delorie <dj@redhat.com>
8265 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8267 (m32c_expand_insv): Fix test for an AND mask.
8269 2006-03-10 Richard Guenther <rguenther@suse.de>
8272 * builtins.c (get_pointer_alignment): Handle component
8273 references for field alignment.
8275 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8277 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8278 when building with libgloss.
8279 (sh*elf): Implement --without-fp option.
8280 (sh64-superh-linux*): Don't multilib.
8282 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8284 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8286 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8288 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8289 Set it when one of the replacement functions returned true.
8290 Return TODO_cleanup_cfg if cfgchanged is true.
8291 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8293 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8295 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8296 instead of gen_lowpart.
8298 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8300 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8302 (mips_output_order_conditional_branch): Declare.
8303 * config/mips/mips.h (MIPS_BRANCH): New macro.
8304 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8305 for the comparison. Use gen_condjump.
8306 (mips_output_conditional_branch): Rework interface to take the
8307 asm templates for a direct branch and the inverse of a direct branch.
8308 (mips_output_order_conditional_branch): New function.
8309 (mips_builtin_branch_and_move): New function.
8310 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8311 branch condition. Use gen_single_cc as the condition for
8312 __builtin_mips_upper_* or __builtin_mips_lower_*.
8313 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8314 Use VOIDmode for the branch condition.
8315 * config/mips/predicates.md (order_operator): New predicate.
8316 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8317 (branch_fp): Rename to...
8318 (*branch_fp): ...this. Remove mode from comparison operator.
8319 Use new mips_output_conditional_branch interface.
8320 (branch_fp_inverted): Rename to...
8321 (*branch_fp_inverted): ...this and update as for *branch_fp.
8322 (*branch_zero<mode>): Rename to...
8323 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8324 Use mips_output_order_conditional_branch. Only accept ordered
8326 (*branch_zero<mode>_inverted): Rename to...
8327 (*branch_order<mode>_inverted): ...this and update as for
8328 *branch_order<mode>.
8329 (*branch_equality<mode>): Accept zero as the second operand to
8330 the equality operator. Use the new mips_output_conditional_branch
8332 (*branch_equality<mode>_inverted): Likewise.
8333 (condjump): New expander.
8334 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8336 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8337 (bc1any2t, bc1any2f): Likewise.
8338 (single_cc): New expander.
8339 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8341 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8343 * doc/md.texi: Update documentation of MIPS constraints.
8344 * config/mips/constraints.md: New file.
8345 * config/mips/mips.md: Include it.
8346 * config/mips/mips.c (mips_char_to_class): Delete.
8347 (override_options): Don't initialize mips_char_to_class.
8348 * config/mips/mips.h (mips_char_to_class): Delete.
8349 (REG_CLASS_FROM_LETTER): Delete.
8350 (CONST_OK_FOR_LETTER_P): Delete.
8351 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8352 (EXTRA_CONSTRAINT_Y): Delete.
8353 (EXTRA_CONSTRAINT_STR): Delete.
8354 (CONSTRAINT_LEN): Delete.
8355 (EXTRA_MEMORY_CONSTRAINT): Delete.
8357 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8359 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8360 original fn's eh regions.
8362 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8364 * fold-const.c (build_range_check): Make sure to use a valid type to
8365 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8368 (range_predecessor): New static function.
8369 (range_successor): Likewise.
8370 (merge_ranges): Use them to compute predecessors and successors of
8373 2006-03-09 Roger Sayle <roger@eyesopen.com>
8376 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8377 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8379 2006-03-08 DJ Delorie <dj@redhat.com>
8381 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8382 (addpsi3): Expand to include memory operands. Remove
8383 reload-specific splits.
8384 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8385 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8386 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8387 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8388 (shift1_qi, shift1_hi, insv): New.
8389 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8390 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8391 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8393 * config/m32c/m32c-protos.h: Update as needed.
8394 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8395 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8396 Fail for unrecognized R* constraints.
8397 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8398 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8399 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8401 (m32c_init_libfuncs): New.
8402 (m32c_legitimate_address_p): Add debug wrapper.
8403 (m32c_rtx_costs): New.
8404 (m32c_address_cost): New.
8405 (conversions): Add 'B' prefix.
8406 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8407 operands, or word regnames for QI operands. 'B' prints bit
8409 (m32c_expand_setmemhi): New.
8410 (m32c_expand_movmemhi): New.
8411 (m32c_expand_movstr): New.
8412 (m32c_expand_cmpstr): New.
8413 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8414 (m32c_expand_neg_mulpsi3): Handle non-ints.
8415 (m32c_cmp_flg_0): New.
8416 (m32c_expand_movcc): New.
8417 (m32c_expand_insv): New.
8418 (m32c_scc_pattern): New.
8419 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8420 a0/a1 out of SIregs.
8421 (STORE_FLAG_VALUE): New.
8422 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8425 * config/m32c/mov.md: Make constraints more liberal.
8426 (zero_extendqihi2): Optimize r0/r1 case.
8427 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8428 * config/m32c/predicates.md (m32c_any_operand): New.
8429 (m32c_nonimmediate_operand): New.
8430 (m32c_hl_operand): New.
8431 (m32c_r3_operand): New.
8434 (memsym_operand): New.
8435 (memimmed_operand): New.
8436 (a_qi_operand): New.
8437 (m32c_eqne_operator): New.
8438 (m32c_1bit8_operand): New.
8439 (m32c_1bit16_operand): New.
8440 (m32c_1mask8_operand): New.
8441 (m32c_1mask16_operand): New.
8442 * config/m32c/blkmov.md: New file.
8443 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8445 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8447 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8448 unsigned to fix signed/unsigned comparison issue in
8449 DWARF2_FRAME_REG_OUT.
8450 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8451 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8453 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8454 of ptr into the ENABLE_CHECKING section.
8456 2006-03-08 Jeff Law <law@redhat.com>
8458 * tree-vrp.c (infer_value_range): Only count pointer uses
8459 and dereferences if -fdelete-null-pointer-checks is enabled.
8461 * tree-vrp.c (find_assert_locations): Infer value ranges for
8462 single use pointers, but do not create ASSERT_EXPRs for them.
8463 When a non-null range is inferred for a pointer, backwards
8464 propagate that range to other equivalent pointers through the
8467 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8470 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8471 language hook targets.
8472 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8473 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8474 if language hook targets were missing.
8476 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8478 * tree-ssa-opfinalize.h: Removed.
8479 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8481 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8482 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8483 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8484 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8485 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8486 finalize_ssa_v_must_def_ops): New.
8488 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8490 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8493 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8495 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8497 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8498 addresses with offsets; reorganize.
8500 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8501 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8502 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8504 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8507 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8509 2006-03-08 Ben Elliston <bje@au.ibm.com>
8511 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8513 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8516 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8519 2006-03-07 Richard Guenther <rguenther@suse.de>
8521 PR tree-optimization/26587
8522 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8524 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8526 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8528 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8530 * hooks.c (hook_bool_mode_rtx_true): New function.
8531 * hooks.h (hook_bool_mode_rtx_true): Declare.
8532 * toplev.c (compile_file): Call output_shared_constant_pool.
8533 * varasm.c (shared_constant_pool): New variable.
8534 (assemble_start_function, assemble_end_function): Remove arguments
8535 from call to output_constant_pool.
8536 (create_constant_pool): New function, split out from...
8537 (init_varasm_status): ...here.
8538 (force_const_mem): Choose between the shared and per-function constant
8539 pools. Set current_function_uses_const_pool when reusing old entries
8540 as well as when creating new ones.
8541 (mark_constant): Ignore data argument.
8542 (mark_constants): Remove pool argument.
8543 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8544 to decide whether the function uses a constant pool.
8545 (output_constant_pool_contents): New function, split out from...
8546 (output_constant_pool): ...here.
8547 (output_shared_constant_pool): New function.
8548 (init_varasm_once): Initialize shared_constant_pool.
8549 * output.h (output_constant_pool): Delete.
8550 (output_shared_constant_pool): Declare.
8551 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8552 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8554 2006-03-06 Nick Clifton <nickc@redhat.com>
8556 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8557 flag_strength_reduce.
8559 2006-03-06 Ben Elliston <bje@au.ibm.com>
8561 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8562 x86_64-*-linux* configurations.
8564 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8565 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8567 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8569 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8571 * basic-block.h: Remove the extern for
8572 rediscover_loops_after_threading.
8574 * cfgloop.c (cancel_loop): Make it static.
8575 * cfgloop.h: Remove the prototype for cancel_loop.
8577 * flow.c (recompute_reg_usage): Make it static.
8578 * rtl.h: Remove the prototype for recompute_reg_usage.
8580 * function.c (use_return_register): Make it static.
8581 * function.h: Remove the prototype.
8583 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8585 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8587 * recog.h: Remove the prototype for
8588 validate_change_maybe_volatile.
8590 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8592 * rtlanal.c (replace_reg): Remove.
8593 * rtl.h: Remove the prototype for replace_reg.
8595 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8597 * regclass.c (reg_scan_update): Remove.
8598 (reg_scan_mark_refs): Remove the last argument.
8599 * rtl.h: Remove the prototype for reg_scan_update.
8601 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8603 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8604 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8605 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8606 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8607 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8608 loop-invariant.c, omp-low.c, opts.c, passes.c,
8609 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8610 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8611 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8612 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8613 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8614 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8616 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8618 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8619 * dwarf2out.h: Remove the prototype for
8620 dwarf2out_add_library_unit_info.
8622 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8624 * tree.c (add_var_to_bind_expr): Remove.
8625 * tree.h: Remove the prototype for add_var_to_bind_expr.
8627 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8629 * regclass.c (n_non_fixed_regs): Remove.
8630 (init_reg_sets_1, globalize_reg): Remove all uses of
8632 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8634 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8636 * rtlanal.c (insns_safe_to_move_p): Remove.
8637 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8639 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8641 * expmed.c (expand_mult_add): Remove.
8642 * expr.h: Remove the prototype for expand_mult_add.
8644 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8646 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8647 and REG_SAVED_VAL_EXP constants.
8648 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8649 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8650 Handle regs stored by value.
8651 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8652 (execute_cfa_program): Handle DW_CFA_val_offset,
8653 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8654 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8655 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8656 (uw_install_context_1): Handle target regs stored by value.
8658 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8660 * tree-sra.c (tree_sra): Return todoflags;
8661 (generate_one_element): Set TODO_update_smt_usage if needed.
8662 (pass_sra): Remove TODO_update_smt_usage.
8663 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8665 (tree_ssa_forward_propagate_single_use_vars): Return
8666 TODO_update_smt_usage if we need to update SMT usage.
8667 (pass_forwprop): Remove TODO_update_smt_usage.
8669 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8671 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8672 (correct_use_link): Remove reference to get_stmt_operands.
8673 (update_stmt_operands): Likewise.
8674 (get_modify_expr_operands): New function factored out of
8675 parse_ssa_operands and get_expr_operands.
8676 Try to create V_MUST_DEFs for LHS by default.
8677 (get_expr_operands) <case MODIFY_EXPR>: Call
8678 get_modify_expr_operands.
8679 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8680 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8681 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8682 get_modify_expr_operands.
8684 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8686 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8687 * tree-flow.h: Remove the prototype for
8688 referenced_var_lookup_if_exists.
8690 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8692 PR rtl-optimization/26345
8694 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8696 2006-03-03 Roger Sayle <roger@eyesopen.com>
8698 PR tree-optimization/26524
8699 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8700 fold_convert to create a constant of the appropriate type.
8702 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8704 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8705 SYMBOL_REF_IN_BLOCK_P.
8706 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8707 of SYMBOL_FLAG_IN_BLOCK.
8708 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8709 instead of SYMBOL_REF_IN_BLOCK_P.
8710 * explow.c (use_anchored_address): Likewise.
8711 * rtl.c (rtx_size): Likewise.
8712 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8713 instead of SYMBOL_FLAG_IN_BLOCK.
8714 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8715 SYMBOL_REF_IN_BLOCK_P.
8716 (assemble_variable): Likewise.
8717 (output_constant_def_contents): Likewise.
8718 (output_constant_pool): Likewise.
8719 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8720 instead of SYMBOL_FLAG_IN_BLOCK.
8721 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8722 SYMBOL_REF_IN_BLOCK_P.
8723 (SYMBOL_REF_BLOCK): Likewise.
8724 (SYMBOL_REF_OFFSET): Likewise.
8725 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8726 SYMBOL_REF_IN_BLOCK_P.
8727 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8728 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8729 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8730 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8732 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8734 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8736 2006-03-02 Roger Sayle <roger@eyesopen.com>
8738 * simplify-rtx.c (simplify_unary_operation): When simplifying
8739 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8740 that we perform the right shift in the appropriate mode, and
8741 then extend or truncate the result to requested mode.
8743 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8745 * gengtype.c (main): Handle double_int type.
8746 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8747 * double-int.c: New file.
8748 * double-int.h: New file.
8749 * system.h: Include doubleint.h.
8750 * Makefile.in (SYSTEM_H): Include double-int.h.
8751 (double-int.o): Add.
8753 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8756 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8759 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8761 * tree-vrp.c (remove_range_assertions): Do not update statements
8764 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8766 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8768 * gcse.c (rest_of_handle_gcse): Ditto.
8769 * except.c (gate_handle_eh): Ditto.
8770 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8771 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8773 2006-03-02 Eric Christopher <echristo@apple.com>
8775 * config/i386/i386.c (machopic_output_stub): Add indirection to
8778 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8782 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8784 Sun Niagara specific optimizations.
8785 * config.gcc: Recognize niagara as target.
8786 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8787 (TARGET_CPU_niagara): Define.
8788 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8789 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8790 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8791 (ASM_CPU_SPEC): Likewise.
8792 (PROCESSOR_NIAGARA): New enum entry.
8793 (REGISTER_MOVE_COST): Handle Niagara.
8794 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8795 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8796 (sparc_override_options): Recognize "niagara", set appropriate
8797 default MASK_* values for it, and align functions to 32-bytes
8798 by default just like ULTRASPARC/ULTRASPARC3.
8799 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8800 (sparc64_initialize_trampoline): Likewise.
8801 (sparc_use_sched_lookahead): Use zero for niagara.
8802 (sparc_issue_rate): Use one for niagara.
8803 * config/sparc/niagara.md: New file.
8804 * config/sparc/sparc.md: Include it.
8805 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8806 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8807 when default cpu is niagara.
8808 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8809 (ASM_CPU_SPEC): Likewise.
8810 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8811 when default cpu is niagara.
8812 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8813 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8814 just like v9/ultrasparc/ultrasparc3.
8815 * doc/invoke.texi: Add documentation for "niagara" and improve
8816 existing documentation for ultrasparc variants.
8818 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8820 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8822 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8824 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8825 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8826 and say that only one is needed.
8827 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8828 * target.h (have_switchable_bss_sections): New hook.
8829 * explow.c (use_anchored_address): Check that the symbol is in a block.
8830 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8831 (bss_noswitch_section): New variables.
8832 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8833 (get_noswitch_section): New function.
8834 (get_block_for_section): Allow SECT to be null.
8835 (unlikely_text_section_p): Use SECTION_STYLE.
8836 (bss_initializer_p): New function.
8837 (get_variable_section): Move earlier in file. Take a new argument,
8838 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8839 Return one of the new *_sections in such cases.
8840 (get_block_for_decl): New function, extracting some logic from
8841 use_blocks_for_decl_p.
8842 (change_symbol_section): Remove in favor of...
8843 (change_symbol_block): ...this new function.
8844 (use_blocks_for_decl_p): Remove checks now performed by
8846 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8847 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8848 (emit_local, emit_bss, emit_common): ...these new functions.
8849 Return true if the alignment was honored.
8850 (emit_tls_common): New function.
8851 (asm_emit_uninitialised): Delete.
8852 (assemble_variable_noswitch): New function, split out from...
8853 (assemble_variable): ...here. Don't make decisions about common
8854 variables here. Globalize all public decls that go into non-common
8855 sections. Check whether SYMBOL_REF_BLOCK is null.
8856 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8857 (output_constant_pool): Likewise.
8858 (init_varasm_once): Initialize the new section variables.
8859 (have_global_bss_p): New function.
8860 (categorize_decl_for_section): Use bss_initializer_p.
8861 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8862 (place_block_symbol): Assert that the symbol must be in a block.
8863 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8864 (TARGET_INITIALIZER): Include it.
8865 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8866 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8867 (SECTION_MACH_DEP): Bump by two.
8868 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8869 (unnamed_section): Mention SECTION_UNNAMED in comment.
8870 (named_section): Likewise SECTION_NAMED.
8871 (noswitch_section_callback): New type.
8872 (noswitch_section): New structure.
8873 (section): Add a noswitch_section alternative.
8874 (SECTION_STYLE): New macro.
8875 (tls_comm_section, comm_section, lcomm_section): Declare.
8876 (bss_noswitch_section, have_global_bss_p): Declare.
8877 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8878 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8880 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8881 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8884 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8886 * tree-vrp.c (execute_vrp): Return value.
8887 * regrename.c (rest_of_handle_regrename): Ditto.
8888 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8889 * tree-complex.c (tree_lower_complex): Ditto.
8890 (tree_lower_complex_O0): Ditto.
8891 * tracer.c (rest_of_handle_tracer): Ditto.
8892 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8893 * postreload.c (rest_of_handle_postreload): Ditto.
8894 * tree-tailcall.c (execute_tail_recursion): Ditto.
8895 (execute_tail_calls): Ditto.
8896 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8897 * tree.h (init_function_for_compilation): Ditto.
8898 * ipa-cp.c (ipcp_driver): Ditto.
8899 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8900 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8901 * final.c (compute_alignments): Ditto.
8902 (rest_of_handle_final): Ditto.
8903 (rest_of_handle_shorten_branches): Ditto.
8904 (rest_of_clean_state): Ditto.
8905 * omp-low.c (execute_expand_omp): Ditto.
8906 (execute_lower_omp): Ditto.
8907 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8908 * ipa-reference.c (static_execute): Ditto.
8909 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8910 * reorg.c (rest_of_handle_delay_slots): Ditto.
8911 (rest_of_handle_machine_reorg): Ditto.
8912 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8913 * flow.c (recompute_reg_usage): Ditto.
8914 (rest_of_handle_remove_death_notes): Ditto.
8915 (rest_of_handle_life): Ditto.
8916 (rest_of_handle_flow2): Ditto.
8917 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8918 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8919 (do_ssa_store_ccp): Ditto.
8920 (execute_fold_all_builtins): Ditto.
8921 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8922 * modulo-sched.c (rest_of_handle_sms): Ditto.
8923 * ipa-pure-const.c (static_execute): Ditto.
8924 * cse.c (rest_of_handle_cse): Ditto.
8925 (rest_of_handle_cse2): Ditto.
8926 * web.c (rest_of_handle_web): Ditto.
8927 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8928 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8929 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8930 * tree-nrv.c (tree_nrv): Ditto.
8931 (execute_return_slot_opt): Ditto.
8932 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8933 (create_structure_vars): Ditto.
8934 * loop-init.c (rtl_loop_init): Ditto.
8935 (rtl_loop_done): Ditto.
8936 (rtl_move_loop_invariants): Ditto.
8937 (rtl_unswitch): Ditto.
8938 (rtl_unroll_and_peel_loops): Ditto.
8939 (rtl_doloop): Ditto.
8940 * gimple-low.c (lower_function_body): Ditto.
8941 (mark_used_blocks): Ditto.
8942 * tree-ssa-sink.c (execute_sink_code): Ditto.
8943 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8944 (cgraph_early_inlining): Ditto.
8945 * global.c (rest_of_handle_global_alloc): Ditto.
8946 * jump.c (cleanup_barriers): Ditto.
8947 (purge_line_number_notes): Ditto.
8948 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8949 (rest_of_handle_if_after_reload): Ditto.
8950 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8951 (tree_ssa_loop_im): Ditto.
8952 (tree_ssa_loop_unswitch): Ditto.
8953 (tree_vectorize): Ditto.
8954 (tree_linear_transform): Ditto.
8955 (tree_ssa_loop_ivcanon): Ditto.
8956 (tree_ssa_empty_loop): Ditto.
8957 (tree_ssa_loop_bounds): Ditto.
8958 (tree_complete_unroll): Ditto.
8959 (tree_ssa_loop_prefetch): Ditto.
8960 (tree_ssa_loop_ivopts): Ditto.
8961 (tree_ssa_loop_done): Ditto.
8962 * predict.c (tree_estimate_probability): Ditto.
8963 * recog.c (split_all_insns_noflow): Ditto.
8964 (rest_of_handle_peephole2): Ditto.
8965 (rest_of_handle_split_all_insns): Ditto.
8966 * tree-eh.c (lower_eh_constructs): Ditto.
8967 * regmove.c (rest_of_handle_regmove): Ditto.
8968 (rest_of_handle_stack_adjustments): Ditto.
8969 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8970 * function.c (instantiate_virtual_regs): Ditto.
8971 (init_function_for_compilation): Ditto.
8972 (rest_of_handle_check_leaf_regs): Ditto.
8973 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8974 (rest_of_handle_gcse): Ditto.
8975 * ipa-type-escape.c (type_escape_execute): Ditto.
8976 * alias.c (rest_of_handle_cfg): Ditto.
8977 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8978 * profile.c (rest_of_handle_branch_prob): Ditto.
8979 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8980 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8981 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8982 * tree-dfa.c (find_referenced_vars): Ditto.
8983 * except.c (set_nothrow_function_flags): Ditto.
8984 (convert_to_eh_region_ranges): Ditto.
8985 (rest_of_handle_eh): Ditto.
8986 * emit-rtl.c (unshare_all_rtl): Ditto.
8987 (remove_unnecessary_notes): Ditto.
8988 * except.h (set_nothrow_function_flags): Ditto.
8989 (convert_to_eh_region_ranges): Ditto.
8990 * cfgexpand.c (tree_expand_cfg): Ditto.
8991 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8992 * tree-ssa-pre.c (do_pre): Ditto.
8993 (execute_fre): Ditto.
8994 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8995 (rest_of_handle_jump2): Ditto.
8996 * tree-sra.c (tree_sra): Ditto.
8997 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8998 (execute_mudflap_function_decls): Ditto.
8999 * tree-ssa-copy.c (do_copy_prop): Ditto.
9000 (do_store_copy_prop): Ditto.
9001 * ipa-prop.h (ipcp_driver): Ditto.
9002 * cfglayout.c (insn_locators_initialize): Ditto.
9003 * tree-ssa-forwprop.c
9004 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9005 * cfglayout.h (insn_locators_initialize): Ditto.
9006 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9007 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9008 (execute_late_warn_uninitialized): Ditto.
9009 * rtl.h (cleanup_barriers): Ditto.
9010 (split_all_insns_noflow): Ditto.
9011 (purge_line_number_notes): Ditto.
9012 (unshare_all_rtl): Ditto.
9013 (remove_unnecessary_notes): Ditto.
9014 (recompute_reg_usage): Ditto.
9015 (variable_tracking_main): Ditto.
9016 * integrate.c (emit_initial_value_sets): Ditto.
9017 * integrate.h (emit_initial_value_sets): Ditto.
9018 * tree-optimize.c (execute_free_datastructures): Ditto
9019 (execute_free_cfg_annotations): Ditto.
9020 (execute_fixup_cfg): Ditto.
9021 (execute_cleanup_cfg_pre_ipa): Ditto.
9022 (execute_cleanup_cfg_post_optimizing): Ditto.
9023 (execute_init_datastructures): Ditto.
9024 * tree-object-size.c (compute_object_sizes): Ditto.
9025 * combine.c (rest_of_handle_combine): Ditto.
9026 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9027 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9028 (rest_of_handle_reorder_blocks): Ditto.
9029 (rest_of_handle_partition_blocks): Ditto.
9030 * var-tracking.c (variable_tracking_main): Ditto.
9031 * tree-profile.c (tree_profiling): Ditto.
9032 * tree-vect-generic.c (expand_vector_operations): Ditto.
9033 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9034 * sched-rgn.c (rest_of_handle_sched): Ditto.
9035 (rest_of_handle_sched2): Ditto.
9036 * basic-block.h (free_bb_insn): Ditto.
9037 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9038 * tree-cfg.c (execute_build_cfg): Ditto.
9039 (remove_useless_stmts): Ditto.
9040 (split_critical_edges): Ditto.
9041 (execute_warn_function_return): Ditto.
9042 (execute_warn_function_noreturn): Ditto.
9043 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9044 * cfgrtl.c (free_bb_for_insn): Ditto.
9045 * passes.c (execute_one_pass): Run additional
9046 todos returned by execute function.
9047 * tree-pass.h (struct tree_opt_pass): Make execute
9050 2006-03-02 Richard Guenther <rguenther@suse.de>
9052 * tree-ssa-alias.c (find_used_portions): Consider taking
9053 the address as making the variable not write-only.
9055 2006-03-02 Nick Clifton <nickc@redhat.com>
9057 * config.gcc (default_use_cxa_atexit): Extend the description of
9058 this configure variable. Set its default value to "yes" for
9059 Linux, NetBSD and ELF targets on the assumption that they will
9060 use C libraries with the __cxa_atexit function.
9062 2006-03-02 Ben Elliston <bje@au.ibm.com>
9064 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9065 parameter as unused to suppress a build warning.
9067 2006-03-02 Ben Elliston <bje@au.ibm.com>
9069 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9072 2006-03-01 Roger Sayle <roger@eyesopen.com>
9075 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9076 declared name, the weak reference name, and the typeof name.
9077 (__gthrw): Avoid expanding the declared name suffix.
9078 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9080 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9082 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9084 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9085 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9086 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9087 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9088 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9089 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9090 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9091 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9092 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9093 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9094 (DW_END_default, DW_END_big, DW_END_little): New.
9095 (DW_END_lo_user, DW_END_hi_user): Define.
9096 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9097 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9098 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9101 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9103 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9105 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9107 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9109 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9111 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9112 to 'symbol_mem_tag'.
9114 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9117 2006-03-01 Roger Sayle <roger@eyesopen.com>
9119 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9121 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9124 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9125 MACHO_DYNAMIC_NO_PIC_P.
9126 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9128 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9131 * config/darwin-protos.h (darwin_asm_output_anchor):
9133 * config/darwin-sections.def (cstring_section):
9134 Add SECTION_MERGE to the flags.
9135 (literal4_section): Likewise.
9136 (literal8_section): Likewise.
9137 (objc_selector_refs_section): Likewise.
9138 (objc_cls_refs_section): Likewise.
9139 * config/darwin.c (darwin_asm_output_anchor): New
9141 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9143 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9145 Fix PR tree-optimization/26443
9146 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9147 to todo and PROP_tmt_usage to properties_destroyed.
9148 * tree-ssa-ccp.c (pass_ccp): Ditto.
9149 (pass_store_ccp): Ditto.
9150 * tree-ssa-dom.c (pass_dominator): Ditto.
9152 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9154 * tree-ssa-operands.c: Cleanup whitespace.
9155 (get_asm_expr_operands): Move before first invocation.
9156 (get_indirect_ref_operands): Likewise.
9157 (get_tmr_operands): Likewise.
9158 (get_call_expr_operands): Likewise.
9159 (append_def): Likewise.
9160 (append_use): Likewise.
9161 (append_v_may_def): Likewise.
9162 (append_v_must_def): Likewise.
9163 (add_call_clobber_ops): Likewise.
9164 (add_call_read_ops): Likewise.
9165 (add_stmt_operand): Likewise.
9166 (add_virtual_operand): Likewise.
9167 (build_ssa_operands): Likewise.
9169 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9174 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9175 with a call expr to ...
9176 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9178 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9180 * tree-vrp.c (extract_range_from_assert): Remove special
9181 handling for types with super-types.
9183 2006-03-01 Ben Elliston <bje@au.ibm.com>
9185 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9186 and powerpc64-*-linux* configurations.
9187 * config/t-dfprules: New file.
9189 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9190 Compile dfp-bit.c from the source directory using -DWIDTH and
9191 $DFP_CFLAGS to control the compilation of that file, rather than
9192 generating width-specific versions in the build directory.
9193 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9194 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9196 2006-02-28 Zack Weinberg <zackw@panix.com>
9198 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9201 2006-02-28 Eric Christopher <echristo@apple.com>
9203 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9204 Set up IN_LIBGCC definition of TARGET_64BIT.
9205 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9207 2006-02-28 Roger Sayle <roger@eyesopen.com>
9210 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9211 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9212 cases via the construction of "expr != 0".
9214 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9216 * alias.c (alias_invariant, alias_invariant_size): Remove.
9217 (record_base_value): Remove.
9218 (memrefs_conflict_p): Don't look at alias_invariant.
9219 (end_alias_analysis): Don't free it.
9220 * alias.h (record_base_value): Remove prototype.
9222 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9223 Adam Nemet <anemet@caviumnetworks.com>
9225 * rtl.h (truncated_to_mode): Declare it.
9226 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9227 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9228 (RTL_HOOKS_INITIALIZER): Include it.
9229 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9230 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9231 reg_truncated_to_mode.
9232 * rtlanal.c (truncated_to_mode): Define it.
9233 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9235 2006-02-28 Jeff Law <law@redhat.com>
9237 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9238 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9239 the range allowed by TYPE_PRECISION.
9241 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9243 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9245 PR tree-optimization/26419
9246 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9249 2006-02-27 Zack Weinberg <zackw@panix.com>
9251 * doc/md.texi: Fix typo in previous change.
9253 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9257 2006-02-27 Zack Weinberg <zackw@panix.com>
9259 * rtl.def (define_constraint, define_register_constraint)
9260 (define_memory_constraint, define_address_constraint): New MD forms.
9261 * gensupport.c (process_rtx): Put define_constraint etc on the
9263 * genpreds.c (process_define_predicate): Adjust comment. Validate
9264 the name, and call validate_exp to validate the expression.
9265 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9266 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9267 all callers changed.
9268 (validate_exp, needs_variable, struct constraint_data)
9269 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9270 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9271 (const_dbl_constraints, constraint_max_namelen)
9272 (have_register_constraints, have_memory_constraints)
9273 (have_address_constraints, have_address_constraints)
9274 (have_extra_constraints, have_const_int_constraints)
9275 (have_const_dbl_constraints, mangle, add_constraint)
9276 (process_define_constraint, process_define_register_constraint)
9277 (write_enum_constraint_num, write_lookup_constraint)
9278 (write_insn_constraint_len, write_regclass_for_constraint)
9279 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9280 (write_insn_extra_memory_constraint)
9281 (write_insn_extra_address_constraint)
9282 (write_satisfies_constraint_fns): New.
9283 (write_tm_preds_h): If we have new-style constraint definitions,
9284 prototype the functions generated from them, and define the
9285 old constraint interface (still used by generic code) in terms of
9287 (write_insn_preds_c): If we have new-style constraint definitions,
9288 generate all relevant functions from those definitions.
9289 (main): Handle define_constraint etc.
9290 * genoutput.c (struct constraint_data, indep_constraints)
9291 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9292 (mdep_constraint_len): New data structures and functions, defined
9293 #ifdef USE_MD_CONSTRAINTS.
9294 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9295 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9296 use new logic to validate operand constraints against constraint
9298 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9300 * defaults.h: If none of the old-style constraint macros are
9301 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9302 old-style macros; and poison REG_CLASS_FROM_LETTER,
9303 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9305 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9306 * doc/md.texi: Document new constraint-definition mechanism and the
9307 C interface it provides. Remove references to old mechanism
9308 elsewhere in the document.
9309 (Machine Constraints): Use pathnames relative to gcc directory,
9310 i.e. config/ARCH/FILE. Change i386 section to refer to
9311 config/i386/predicates.md; update that section to match docstrings.
9312 * doc/tm.texi: Move all documentation of the old constraint-
9313 definition macros to their own section, clearly mark as obsolete.
9315 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9316 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9318 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9319 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9320 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9322 (splits and peepholes): Use satisfies_constraint_*.
9323 * config/i386/i386.c (memory_address_length)
9324 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9326 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9328 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9329 scalar operation to be put back into the loop.
9331 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9334 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9335 (extract_cie_info): Handle S flag in augmentation string.
9336 (execute_cfa_program): If context->signal_frame, execute also
9337 fs->pc == context->ra instructions.
9338 (uw_frame_state_for): If context->signal_frame, don't subtract one
9339 from context->ra to find FDE.
9340 (uw_update_context_1): Set context->signal_frame to
9342 (_Unwind_GetIPInfo): New function.
9343 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9344 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9346 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9347 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9348 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9349 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9350 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9351 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9352 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9353 x86_64_fallback_frame_state): Set fs->signal_frame.
9354 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9355 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9356 (frob_update_context): Likewise. Workaround missing S flag in
9357 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9358 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9359 Remove the psw_addr + 1 hack.
9361 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9363 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9364 with aggregates here.
9365 (find_func_aliases): Remove code for &<aggregate> from here.
9367 2006-02-26 Roger Sayle <roger@eyesopen.com>
9369 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9370 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9371 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9374 2006-02-26 Roger Sayle <roger@eyesopen.com>
9377 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9379 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9381 * opts.c (decode_options): Do not handle flag_strength_reduce.
9382 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9383 and OPT_fstrength_reduce.
9384 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9385 flag_prefetch_loop_arrays for being nonzero.
9386 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9388 (fprefetch-loop-arrays-rtl): Removed.
9389 (flag_prefetch_loop_arrays): Do not specify the value.
9391 * doc/passes.texi: Update documentation of loop optimizer
9393 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9394 -frerun-loop-opt): Remove.
9396 2006-02-26 Richard Guenther <rguenther@suse.de>
9398 PR tree-optimization/26421
9399 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9400 in function calls that are ADDR_EXPRs as using the whole structure.
9402 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9404 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9405 * tree-pass.h (pass_loop_optimize): Remove.
9406 * passes.c (pass_loop_optimize): Never run it.
9407 * toplev.c (backend_init): Don't call init_loop.
9408 * opts.c (flag_loop_optimize_set): Remove.
9409 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9410 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9411 the old RTL loop optimizer when profiling enabled.
9412 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9413 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9414 pre-headers for the sake of the old RTL loop optimizer.
9415 * Makefile.in: Remove all references to loop.o.
9417 * doc/invoke.texi: Remove all references to -floop-optimize
9418 and -frerun-loop-opt.
9420 2006-02-26 Zack Weinberg <zackw@panix.com>
9422 * doc/md.texi (Machine Constraints): Refer to all files with paths
9423 relative to gcc directory (i.e. config/CPU/file). Add missing
9424 @table @code ... @end table to M32C subsection.
9426 2006-02-26 Roger Sayle <roger@eyesopen.com>
9428 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9430 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9432 2006-02-26 Roger Sayle <roger@eyesopen.com>
9433 James A. Morrison <phython@gcc.gnu.org>
9436 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9437 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9438 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9439 signedness of the shift operation.
9441 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9443 PR tree-optimization/26359
9444 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9446 2006-02-25 Roger Sayle <roger@eyesopen.com>
9448 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9449 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9450 as X == 0, and some symmetry related transformations.
9451 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9453 2006-02-25 Roger Sayle <roger@eyesopen.com>
9456 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9457 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9458 symmetry related transformations. Fold (X^C1) == C2 as
9461 2006-02-25 Juergen Weigert <jw@suse.de>
9462 Richard Guenther <rguenther@suse.de>
9464 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9466 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9468 * combine.c (gen_lowpart_or_truncate): Call
9469 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9471 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9473 * doc/invoke.texi: Move -fopenmp description to "Options for
9475 Remove reference to -lgomp.
9477 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9479 * doc/install.texi: Require GNU tar version 1.14.
9481 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9483 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9484 * doc/invoke.texi (C++ Dialect Options): Document
9485 -fno-use-cxa-get-exception-ptr.
9486 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9487 * configure: Regenerate.
9488 * c.opt (fuse-cxa-get-exception-ptr): New.
9489 * c-opts.c (c_common_handle_option): Handle
9490 OPT_fuse_cxa_get_exception_ptr.
9491 * c-common.c (flag_use_cxa_atexit): Update documentation.
9492 (flag_use_cxa_get_exception_ptr): New.
9493 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9494 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9496 (C_COMMON_OVERRIDE_OPTIONS): New.
9498 2006-02-24 Roger Sayle <roger@eyesopen.com>
9501 * combine.c (try_combine): Explicitly check whether GET_CODE is
9502 a SET or a CLOBBER, instead on checking that it isn't a USE.
9504 2006-02-24 Roger Sayle <roger@eyesopen.com>
9506 * fold-const.c (fold_comparison): New subroutine of fold_binary
9507 containing transformations common to both the equality and
9508 ordering relational operators, factored out of fold_binary.
9509 (fold_binary): Separate out the equality operators (EQ_EXPR
9510 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9511 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9512 transformations common to both.
9513 (fold_div_compare): Fix latent bugs in the previously unreachable
9514 LT_EXPR and GE_EXPR cases.
9516 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9518 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9519 decl libname for clog to __clog on AIX.
9521 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9523 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9526 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9527 output traceback table for thunks. Localise rs6000_stack_info call.
9529 2006-02-23 Roger Sayle <roger@eyesopen.com>
9530 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9532 * gthr-posix.h (__gthrw): Fix typo in comment.
9534 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9536 * doc/cpp.texi (Character sets): Document that we do support
9537 input files to be in any character set.
9539 2006-02-23 Jeff Law <law@redhat.com>
9541 * tree.h (PHI_ARG_NONZERO): Remove.
9542 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9543 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9544 node to the new node.
9546 PR tree-optimization/26425
9547 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9548 min/max, then assume its varying.
9550 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9552 PR rtl-optimization/26316
9553 * rtlanal.c (enum may_trap_p_flags): New.
9554 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9555 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9556 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9557 (may_trap_after_code_motion_p): New function.
9558 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9559 (find_invariant_insn): Use may_trap_after_code_motion_p.
9560 * rtl.h (may_trap_after_code_motion_p): Declare.
9562 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9564 * emit-rtl.c (immed_double_const): Cleanup.
9566 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9568 Fix PR tree-optimization/26376
9569 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9572 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9575 * gimplify.c (omp_add_variable): Guard variable size decl test with
9576 DECL_SIZE (decl) check.
9578 2006-02-23 Richard Guenther <rguenther@suse.de>
9581 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9582 like aggregate types.
9584 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9586 * configure.ac: Add --with{,out}-long-double-128 configure option.
9587 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9588 * configure: Rebuilt.
9589 * config.in: Rebuilt.
9590 * doc/install.texi (Options specification): Document
9591 --with-long-double-128.
9593 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9594 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9595 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9596 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9598 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9600 * config/s390/s390.c (override_options): Handle
9601 TARGET_DEFAULT_LONG_DOUBLE_128.
9603 * config/alpha/alpha.c (override_options): Handle
9604 TARGET_DEFAULT_LONG_DOUBLE_128.
9606 * config/sparc/sparc.c (sparc_override_options): Handle
9607 TARGET_DEFAULT_LONG_DOUBLE_128.
9609 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9611 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9612 (real-install-headers-tar, real-install-headers-cpio)
9613 (real-install-headers-cp): New targets.
9615 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9617 * tree.h (variable_section): Delete.
9618 * varasm.c (variable_section): Delete.
9620 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9622 * install.texi: Add notes on install.texi2html.
9623 (Building in parallel): Do not use footnotes.
9625 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9628 * doc/install.texi (Configuration): Document --disable-libgomp.
9630 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9632 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9634 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9636 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9637 (vec_extractv2df_0_sse): New.
9639 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9641 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9642 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9643 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9644 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9645 to the result of the expression.
9646 (def_cfa_1): Adjust.
9647 (frame_pointer_cfa_offset): Rename to...
9648 (frame_pointer_fb_offset): ... this. Adjust all uses.
9649 (convert_cfa_to_loc_list): Rename to...
9650 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9651 Pass it on to build_cfa_loc.
9652 (compute_frame_pointer_to_cfa_displacement): Rename to...
9653 (compute_frame_pointer_to_fb_displacement): ... this. New
9654 offset parameter. Use it in computation.
9655 (gen_subprogram_die): Compute cfa_fb_offset with the new
9656 macro, and use it to compute the fb loc list and the
9659 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9661 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9662 replaced with register_operand.
9663 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9664 non-DREG is expensive.
9665 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9666 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9669 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9671 * doc/install.texi2html: Use set -e.
9673 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9675 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9676 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9677 * doc/invoke.texi (-fshared-data): Delete.
9678 * common.opt (fshared-data): Delete.
9679 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9680 (assemble_static_space): Remove #if 0 code.
9681 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9682 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9683 * config/cris/cris.h: Remove FIXME.
9685 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9687 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9690 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9693 * combine.c (simplify_shift_const_1): Disable nested shifts
9694 optimization for vector shifts.
9696 2006-02-20 Roger Sayle <roger@eyesopen.com>
9698 PR tree-optimization/26361
9699 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9700 of unsigned integer types.
9702 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9704 * tree-chrec.c (eq_evolutions_p): New.
9705 * tree-chrec.h (eq_evolutions_p): Declared.
9706 * tree-data-ref.c: Fix formatting.
9707 (datadep_stats, dependence_stats): New.
9709 (print_direction_vector): New.
9710 (dump_data_dependence_relation): Use print_direction_vector.
9711 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9712 (compute_subscript_distance): Static.
9713 (initialize_data_dependence_relation): Static. Get the number
9714 of loops surrounding the references from the callers, and initialize
9715 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9716 base_object_differ_p analyzers.
9717 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9718 compute_overlap_steps_for_affine_1_2,
9719 analyze_subscript_affine_affine): Count the classified dependences.
9720 Print a message when a test failed.
9721 (can_use_analyze_subscript_affine_affine): New.
9722 (analyze_siv_subscript): Compute the data dependences on symbolic
9723 scevs that verify can_use_analyze_subscript_affine_affine.
9724 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9725 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9726 Handle symbolic scevs.
9727 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9729 (subscript_dependence_tester): Moved...
9730 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9731 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9732 DDR_SIZE_VECT instead of getting it in parameter.
9733 (subscript_dependence_tester): ... here. Take as a parameter
9734 loop_nest_depth. Call build_classic_dist_vector and
9735 build_classic_dir_vector.
9736 (compute_affine_dependence): Update subscript_dependence_tester
9737 parameters. Update datadep_stats counters. Call
9738 compute_subscript_distance.
9739 (compute_self_dependence): Save the dist and dir vectors. Call
9740 compute_subscript_distance.
9741 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9742 (compute_all_dependences): Reorder parameters as they were before
9743 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9744 compute_subscript_distance. Update the use of
9745 compute_affine_dependence and initialize_data_dependence_relation.
9746 (find_data_references_in_loop): Handle COMPONENT_REF.
9747 (compute_data_dependences_for_loop): Initialize dependence_stats.
9748 Don't call build_classic_dist_vector and build_classic_dir_vector.
9749 Update the parameters of initialize_data_dependence_relation and
9750 compute_all_dependences. Print the statistics from datadep_stats.
9751 (analyze_all_data_dependences): Static. Not used until the pass for
9752 checking the data dependences is contributed.
9753 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9754 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9755 (initialize_data_dependence_relation, compute_affine_dependence,
9756 analyze_all_data_dependences, compute_subscript_distance): Removed.
9757 (print_direction_vector): New.
9758 * lambda.h (gcd): ... here.
9759 (lambda_vector_gcd): Moved here from gcd_vector.
9760 * lambda-code.c (gcd, gcd_vector): Removed.
9761 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9762 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9764 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9766 * ipa-type-escape.c: Tidy some comments and white space.
9767 * tree-ssa-operands.c: Likewise.
9769 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9772 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9773 (dump_decl_name): Do not walk the decl tree chains.
9774 * tree-pass.h (TDF_CHAIN): Remove.
9776 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9778 * Makefile.in (C): Remove
9780 (.PHONY): Remove C and PROTO
9782 2006-02-20 Roger Sayle <roger@eyesopen.com>
9785 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9786 deprecated CHAR_TYPE tree code.
9788 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9790 * configure.ac (target_list): Add install-info, dvi, html.
9791 * configure: Regenerate.
9793 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9794 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9795 treelang/Make-lang.in: Do not use double-colon rules.
9797 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9799 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9800 (TMT_USED_ALONE): New macro.
9801 * tree-pass.h (PROP_tmt_usage): New property.
9802 (TODO_update_tmt_usage): New todo.
9803 * tree-ssa-alias.c (updating_used_alone): New variable.
9804 (recalculate_used_alone): New function.
9805 (compute_may_aliases): Set updating_used_alone, call
9806 recalculate_used_alone.
9807 * tree-sra.c (pass_sra): Note that this pass destroys
9808 PROP_tmt_usage, and add TODO_update_tmt_usage.
9809 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9810 * tree-flow.h (updating_used_alone): Prototype.
9811 (recalculate_used_alone): Ditto.
9812 * passes.c (execute_todo): Add code to set updating_used_alone,
9813 and call recalculate.
9814 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9815 for clobber if used alone, and add assert to verify used_alone
9818 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9820 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9821 for non tls symbols added.
9822 (legitimize_address): Do nothing for PLUS expressions if one of the
9823 addends is a tls symbol reference.
9825 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9829 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9831 * Makefile.in (BOOTSTRAPPING): New.
9832 (quickstrap): New definition if BOOTSTRAPPING=yes.
9834 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9835 * configure.ac: Substitute all_selected_languages with the languages
9836 that were configured. For all the other variables except
9837 lang_specs_files, include all the languages in the tree.
9838 * configure: Regenerate.
9840 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9841 if there is one. Run the commands to run fixincludes in the same
9844 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9845 * doc/install.texi: Document exact conventions for searching target tools.
9846 Document --with-build-time-tools. Document toplevel bootstrap. Document
9847 something more about building an Ada cross-compiler. Don't list GNU Make
9848 requirements which affect all platforms.
9850 2006-02-19 Roger Sayle <roger@eyesopen.com>
9853 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9854 only equivalent if the have both the same mode and precision.
9856 2006-02-20 Ben Elliston <bje@au.ibm.com>
9858 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9860 2006-02-19 Roger Sayle <roger@eyesopen.com>
9861 Steven Bosscher <stevenb.gcc@gmail.com>
9863 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9864 constant pool references to identify stack mode constants.
9865 * rtlanal.c (constant_pool_constant_p): New predicate to check
9866 whether operand is a floating point constant in the pool.
9867 * rtl.h (constant_pool_constant_p): Prototype here.
9868 * loop.c (scan_loop): Avoid hoisting constants from the constant
9869 pool on STACK_REGS targets.
9870 (load_mems): Likewise.
9871 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9872 loads into x87 registers expensive in terms of register pressure.
9874 2006-02-19 Roger Sayle <roger@eyesopen.com>
9876 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9877 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9879 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9881 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9882 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9884 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9886 * doc/invoke.texi: Document -fipa-pta.
9887 * common.opt: Add ipa-pta option.
9888 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9889 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9890 (do_ds_constraint): Ditto.
9891 (get_constraint_for): Only add to referenced_vars if
9892 referenced_vars exists.
9893 (insert_into_field_list): Rewrite to do this unsorted.
9894 (insert_into_field_list_sorted): Rename old insert_into_field_list
9896 (create_function_info_for): Use insert_into_field_list_sorted.
9897 (create_variable_info_for): Rewrite so it uses unsorted version,
9898 since the field list is sorted.
9899 (intra_create_variable_infos): Only add to referenced_vars if
9900 referenced_vars exists.
9901 (ipa_pta_execute): Init heapvars, and delete when done.
9902 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9904 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9906 * doc/install.texi: Add missing `@samp'.
9908 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9910 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9913 2006-02-18 Mark Wielaard <mark@klomp.org>
9915 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9916 who added new 4.1 features, bug fixes and integration support.
9918 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9921 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9924 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9926 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9927 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9928 (copy_insn_1): Likewise. Don't copy each field individually.
9930 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9932 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9933 * rtl.c (rtx_size): Rename variable to...
9934 (rtx_code_size): ...this.
9935 (rtx_size): New function.
9936 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9937 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9939 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9940 * rtl.h (rtx_code_size): New variable.
9941 (rtx_size): Change from a variable to a function.
9942 (RTX_SIZE): Rename to...
9943 (RTX_CODE_SIZE): ...this.
9946 PR tree-optimization/17106
9947 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9948 (Anchored Addresses): New section.
9949 * doc/invoke.texi (-fsection-anchors): Document.
9950 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9951 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9952 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9953 * hooks.c (hook_bool_mode_rtx_false): New function.
9954 * hooks.h (hook_bool_mode_rtx_false): Declare.
9955 * gengtype.c (create_optional_field): New function.
9956 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9957 SYMBOL_REF_IN_BLOCK_P is true.
9958 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9959 (min_anchor_offset, max_anchor_offset): Likewise.
9960 (use_anchors_for_symbol_p): New hook.
9961 * toplev.c (compile_file): Call output_object_blocks.
9962 (target_supports_section_anchors_p): New function.
9963 (process_options): Check that -fsection-anchors is only used on
9964 targets that support it and when -funit-at-a-time is in effect.
9965 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9966 if the decl doesn't have one.
9967 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9968 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9969 of force_const_mem through use_anchored_address.
9970 (expand_expr_constant): New function.
9971 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9972 calling expand_expr for INDIRECT_REF.
9973 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9974 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9975 * expr.h (use_anchored_address): Declare.
9976 * loop-unroll.c: Don't declare rtx vectors here.
9977 * explow.c: Include output.h.
9978 (validize_mem): Call use_anchored_address.
9979 (use_anchored_address): New function.
9980 * common.opt (-fsection-anchors): New switch.
9981 * varasm.c (object_block_htab, anchor_labelno): New variables.
9982 (hash_section, object_block_entry_eq, object_block_entry_hash)
9983 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9984 (use_blocks_for_decl_p, change_symbol_section): New functions.
9985 (get_variable_section): New function, split out from assemble_variable.
9986 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9987 use_blocks_for_decl_p say so. Use change_symbol_section if the
9988 symbol has already been created.
9989 (assemble_variable_contents): New function, split out from...
9990 (assemble_variable): ...here. Don't output any code for
9991 block symbols; just pass them to place_block_symbol.
9992 Use get_variable_section and assemble_variable_contents.
9993 (get_constant_alignment, get_constant_section, get_constant_size): New
9994 functions, split from output_constant_def_contents.
9995 (build_constant_desc): Create a block symbol if use_object_blocks_p
9996 says so. Or into SYMBOL_REF_FLAGS.
9997 (assemble_constant_contents): New function, split from...
9998 (output_constant_def_contents): ...here. Don't output any code
9999 for block symbols; just pass them to place_section_symbol.
10000 Use get_constant_section and get_constant_alignment.
10001 (force_const_mem): Create a block symbol if use_object_blocks_p and
10002 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10003 (output_constant_pool_1): Add an explicit alignment argument.
10004 Don't switch sections here.
10005 (output_constant_pool): Adjust call to output_constant_pool_1.
10006 Switch sections here instead. Don't output anything for block symbols;
10007 just pass them to place_block_symbol.
10008 (init_varasm_once): Initialize object_block_htab.
10009 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10010 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10011 (place_block_symbol, get_section_anchor, output_object_block)
10012 (output_object_block_htab, output_object_blocks): New functions.
10013 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10014 (TARGET_ASM_OUT): Include it.
10015 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10016 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10017 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10018 (TARGET_INITIALIZER): Include them.
10019 * rtl.c (rtl_check_failed_block_symbol): New function.
10020 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10021 (block_symbol, object_block): New structures.
10022 (rtx_def): Add a block_symbol field to the union.
10023 (BLOCK_SYMBOL_CHECK): New macro.
10024 (rtl_check_failed_block_symbol): Declare.
10025 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10026 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10027 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10028 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10029 * output.h (output_section_symbols): Declare.
10030 (object_block): Name structure.
10031 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10032 (default_use_anchors_for_symbol_p): Declare.
10033 * Makefile.in (RTL_BASE_H): Add vec.h.
10034 (explow.o): Depend on output.h.
10035 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10036 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10037 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10038 (rs6000_use_blocks_for_constant_p): New function.
10040 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10042 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10044 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10047 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10050 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10052 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10056 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10058 PR middle-end/26334
10059 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10060 instead of DECL_REGISTER.
10062 2006-02-18 Olivier Hainque <hainque@adacore.com>
10065 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10067 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10070 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10071 * opth-gen.awk: Handle Var and InverseMask together.
10072 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10073 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10074 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10075 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10077 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10078 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10079 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10080 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10081 LINUX_DYNAMIC_LINKER): Define.
10082 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10083 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10085 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10086 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10087 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10088 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10089 (TARGET_C99_FUNCTIONS): Don't define.
10090 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10091 GLIBC_DYNAMIC_LINKER.
10092 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10093 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10094 GLIBC_DYNAMIC_LINKER64): Define.
10095 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10096 LINUX_DYNAMIC_LINKER64.
10097 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10099 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10100 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10101 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10102 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10103 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10104 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10105 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10106 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10107 and LINUX_DYNAMIC_LINKER32.
10108 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10109 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10110 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10111 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10112 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10114 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10115 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10116 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10117 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10118 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10119 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10120 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10121 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10122 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10123 LINUX_DYNAMIC_LINKER): Define.
10124 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10125 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10126 GLIBC_DYNAMIC_LINKER64): Define.
10127 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10128 LINUX_DYNAMIC_LINKER64.
10129 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10130 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10131 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10132 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10133 LINUX_DYNAMIC_LINKER): Define.
10134 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10135 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10136 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10137 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10138 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10139 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10140 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10141 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10142 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10143 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10144 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10145 * doc/invoke.texi (-muclibc): Remove caveat about supported
10148 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10150 * doc/cpp.texi (__TIMESTAMP__): Document.
10152 2006-02-17 Roger Sayle <roger@eyesopen.com>
10154 PR middle-end/25600
10155 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10156 C is one less than the width of X (and related transformations).
10157 * simplify-rtx.c (simplify_unary_operation_1): Transform
10158 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10159 depending on STORE_FLAG_VALUE, were C is one less then the
10162 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10164 Fix PR tree-optimization/26341
10165 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10166 about NAME_MEMORY_TAG's.
10168 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10171 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10172 with hardware float support, and software float support. Add fcpy
10173 alternative to hardware patterns. Add alternatives to copy between
10174 general and floating-point registers to the 32-bit pattern.
10175 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10176 secondary reload to load a QI or HI mode constant into a floating
10178 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10179 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10181 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10184 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10186 (load_macho_picbase_di): Likewise.
10188 2006-02-16 Jeff Law <law@redhat.com>
10190 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10191 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10192 (ssa_name_nonzero_p): Likewise.
10193 (get_value_range): Return NULL if VRP is not running.
10194 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10195 VRP routines do not discover a range.
10196 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10197 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10198 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10199 (tree_expr_nonnegative_p): Similarly.
10200 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10201 (restore_nonzero_vars_to_original_value): Remove.
10202 (unsafe_associative_fp_binop): Remove.
10203 (tree_ssa_dominator_optimize): Remove initialization and
10204 finalization of nonzero_vars and nonzero_vars_stack.
10205 (dom_opt_initialize_block): No longer push marker on
10206 nonzero_vars_stack.
10207 (dom_opt_finalize_block): No longer call
10208 restore_nonzero_vars_to_original_value.
10209 (record_equivalences_from_phis): No longer look for
10210 nonzero PHI arguments.
10211 (cprop_into_successor_phis): No longer propagate nonzero
10212 property into PHI arguments. Lose unused argument. Caller
10214 (record_equivalences_from_stmt): No longer record nonzero
10215 values for SSA_NAMEs.
10216 (lookup_avail_expr): No longer use nonzero_vars.
10218 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10219 for sizetype when sizetype is unsigned.
10221 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10223 PR rtl-optimization/25603
10224 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10225 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10226 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10227 with new meaning of SETS.
10229 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10234 * config/linux.opt: New file.
10235 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10236 LINUX_DYNAMIC_LINKER): Define.
10237 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10238 * config.gcc (*-*-linux*): Define extra_options.
10239 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10240 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10241 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10242 GLIBC_DYNAMIC_LINKER.
10243 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10244 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10245 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10246 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10247 * doc/invoke.texi (GNU/Linux Options): New section.
10249 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10251 * config/sparc/sparc.md (setjmp): Rewrite.
10252 (setjmp_32): Delete.
10253 (setjmp_64): Likewise.
10255 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10257 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10260 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10262 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10265 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10267 PR rtl-optimization/26296
10268 * Makefile.in (loop-invariant.c): Add except.h dependency.
10269 * loop-invariant.c: Include except.h.
10270 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10272 2005-02-16 Paul Brook <paul@codesourcery.com>
10274 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10277 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10279 PR rtl-optimization/25636
10280 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10281 when deciding whether an insn is an initializing insn.
10283 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10285 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10286 (tree_code_size): Ditto.
10287 * tree.h (struct tree_memory_tag): Remove parent_var.
10288 (struct tree_struct_field_tag): New.
10291 (union tree_node): Add sft member.
10292 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10294 (create_sft): Add size and offset argument, set SFT_OFFSET and
10296 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10297 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10298 * tree-flow-inline.h (get_subvar_at): Update for
10299 SFT_OFFSET/SFT_SIZE.
10300 (var_can_have_subvars): Ditto.
10301 (overlap_subvar): Ditto.
10302 * print-tree.c (print_node): Print out interesting things for
10304 * tree-flow.h (struct subvar): Remove offset and size members.
10305 * tree-ssa-operands.c (get_expr_operands): Update for
10306 get_indirect_ref_operands changes.
10307 (get_indirect_ref_operands): Call add_virtual_operand instead of
10308 add_stmt_operand. Only recurse on base var if requested.
10309 (access_can_touch_variable): New function.
10310 (add_stmt_operand): Split virtual operand handling into ...
10311 (add_virtual_operand): Here. Add offset, size, and for_clobber
10312 arguments. Prune alias sets.
10313 (add_call_clobber_ops): Call add_virtual_operand.
10315 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10317 PR middle-end/26300
10318 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10320 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10321 than TREE_CODE as index into omp_clause_num_ops array.
10323 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10325 PR rtl-optimization/26184
10326 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10328 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10329 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10330 must_precede, must_follow and tobe_scheduled.
10333 * opts.c (common_handle_option): Free new_option pointer.
10334 * df-core.c (df_analyze): Free postorder pointer.
10336 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10338 * Makefile.in: Fix the examples about the use of stamps
10340 2006-02-15 Michael Matz <matz@suse.de>
10342 PR middle-end/22275
10344 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10345 influenced by maximum_field_alignment or DECL_PACKED.
10346 (update_alignment_for_field): Ditto.
10347 (place_field): Ditto.
10348 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10351 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10353 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10354 (debug_flow_info): Pass it.
10355 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10356 * bb-reorder.c (reorder_basic_blocks): Likewise.
10357 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10358 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10359 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10360 * gcse.c (gcse_main, bypass_jumps): Likewise.
10361 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10362 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10363 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10364 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10365 * rtl.h (dump_flow_info): Adjust prototype.
10366 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10367 * var-tracking.c (variable_tracking_main): Likewise.
10368 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10369 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10372 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10374 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10377 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10379 PR tree-optimization/26209
10380 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10381 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10383 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10385 2006-02-14 Roger Sayle <roger@eyesopen.com>
10387 PR middle-end/23670
10388 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10389 (X,Y) and the corresponding symmetry related transformations.
10390 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10391 (X,Y) and its symmetry related transformations.
10393 2006-02-14 Roger Sayle <roger@eyesopen.com>
10395 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10398 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10400 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10402 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10405 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10406 support COMDAT group.
10407 * configure: Regenerate.
10409 2006-02-14 Roger Sayle <roger@eyesopen.com>
10411 PR middle-end/26279
10412 PR middle-end/26280
10413 PR middle-end/26283
10414 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10416 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10418 Fix PR tree-optimization/26260
10420 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10422 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10423 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10424 * tree-ssa-structalias.c (create_variable_info_for): Use
10425 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10427 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10429 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10431 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10432 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10433 of the ending condition.
10434 * tree-ssa-loop-manip.c: Include params.h.
10435 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10436 tree_unroll_loop): New functions.
10437 * tree-pass.h (pass_loop_prefetch): Declare.
10438 * loop.c (rest_of_handle_loop_optimize): Test for
10439 -fprefetch-loop-arrays-rtl.
10440 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10441 * timevar.def (TV_TREE_PREFETCH): New timevar.
10442 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10443 pass_loop_prefetch): New.
10444 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10445 (cleanup_tree_cfg_loop): Call scev_reset.
10446 * common.opt (fprefetch-loop-arrays-rtl): Add.
10447 * tree-ssa-loop-prefetch.c: New file.
10448 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10449 (new_temp_expr_table): Initialize expr_vars.
10450 (free_temp_expr_table): Cleanup expr_vars.
10451 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10452 expressions from being merged into one.
10453 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10454 (struct tree_niter_desc): Add control, bound and cmp fields.
10455 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10457 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10458 (tree-cfgcleanup.o): Add SCEV_H dependency.
10459 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10460 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10462 2006-02-14 Richard Guenther <rguenther@suse.de>
10464 PR tree-optimization/26258
10465 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10466 in PHI argument processing.
10468 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10470 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10471 new expression in the requested machine mode.
10473 2006-02-13 Roger Sayle <roger@eyesopen.com>
10475 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10476 directly, instead let do_compare_rtx_and_jump handle this for us.
10477 * expr.c (expand_expr_real_1): Likewise.
10478 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10479 before do_jump_by_parts_greater.
10480 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10481 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10483 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10485 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10487 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10489 PR rtl-optimization/26235
10490 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10491 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10494 2006-02-13 Jeff Law <law@redhat.com>
10496 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10499 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10501 PR middle-end/26092
10502 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10503 twice if decl is a builtin. When trying again, call get_callee_fndecl
10504 first to verify it is still a builtin.
10506 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10508 * dwarf2out.c (base_type_die): Don't add AT_name here.
10509 (subrange_type_die): Don't add AT_name here.
10510 (modified_type_die): Rearrange code flow. Do add AT_name here.
10512 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10514 PR rtl-optimization/26247
10515 PR rtl-optimization/26248
10516 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10518 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10520 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10521 * config/fixtfdi.c: Likewise.
10522 * config/fixunstfdi.c: Likewise.
10523 * config/floatditf.c: Likewise.
10525 2006-02-13 Roger Sayle <roger@eyesopen.com>
10527 PR middle-end/24427
10528 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10529 into (X,C2) if C1 is a subset of the bits of C2. Transform
10530 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10532 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10534 2006-02-13 Josh Conner <jconner@apple.com>
10537 * varasm.c (function_section): Check for section name before
10538 calling select_section on targets that define
10539 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10540 unlikely_text_section instead of hot_function_section if
10541 first_function_block_is_cold.
10543 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10545 PR middle-end/25335
10546 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10548 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10550 PR rtl-optimization/26222
10551 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10552 after tree->rtl expansion.
10553 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10554 before passing it to emit_move_insn.
10556 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10558 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10560 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10561 Clarify documentation.
10562 * c-common.h (warn_write_strings): Remove.
10563 * c-common.c (warn_write_strings): Likewise.
10564 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10567 2006-02-12 Roger Sayle <roger@eyesopen.com>
10569 PR middle-end/25724
10570 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10571 (do_jump_parts_zero_rtx): New function renamed from
10572 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10573 (do_jump_parts_equality_rtx): New function split out from
10574 do_jump_parts_equality. Old implementation renamed as above.
10575 Call do_jump_parts_zero_rtx if either operand is zero.
10576 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10577 do all of the heavy lifting.
10578 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10579 calling either do_jump_by_parts_greater_rtx or
10580 do_jump_by_parts_equality_rtx.
10581 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10582 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10583 moved to do_compare_rtx_and_jump, call it directly.
10584 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10585 mode argument. Call do_compare_rtx_and_jump.
10586 (emit_case_nodes): Update calls to do_jump_if_equal.
10588 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10590 PR rtl-optimization/26225
10591 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10593 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10595 PR rtl-optimization/26232
10596 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10598 2006-02-11 Jason Merrill <jason@redhat.com>
10601 * tree-inline.c (declare_return_variable): Just don't use the
10602 modify target if it's a gimple complex reg and the return slot
10605 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10607 * doc/contrib.texi: Update my entry.
10609 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10611 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10613 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10615 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10618 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10620 * doc/invoke.texi (-floop-optimize2): Removed.
10621 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10622 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10623 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10624 * common.opt (floop-optimize2): Removed.
10625 (fmove-loop-invariants): Enabled by default.
10627 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10629 * tree-if-conv.c (combine_blocks): Free the result of
10630 get_loop_exit_edges.
10632 2006-02-10 Jeff Law <law@redhat.com>
10634 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10636 PR tree-optimization/26213
10637 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10638 loop trying to follow SSA_NAME_VALUE chains.
10640 2006-02-10 Richard Guenther <rguenther@suse.de>
10642 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10643 deal with structures that end in implicitly variable sized arrays.
10645 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10647 PR rtl-optimization/24762
10648 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10651 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10653 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10654 (struct ivopts_data): Add regs_used field.
10655 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10656 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10657 instead of loop_data->regs_used;
10658 (free_loop_data): Do not free aux fields for loops.
10659 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10660 and tree_ssa_iv_optimize_finalize.
10662 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10664 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10666 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10669 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10670 computing the effective result type.
10672 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10674 PR inline-asm/16194
10675 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10676 (tree_overlaps_hard_reg_set): Declare.
10677 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10678 type and signature to match function type expected by walk_tree.
10679 (tree_overlaps_hard_reg_set): New function.
10680 (decl_conflicts_with_clobbers_p): Rename to:
10681 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10682 Use tree_overlaps_hard_reg_set. Changed caller.
10683 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10684 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10685 * cris.c (cris_md_asm_clobbers): Likewise.
10687 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10689 * reload1.c (emit_input_reload_insns): Delete code that tries to
10690 inherit using find_equiv_reg.
10692 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10694 * c-common.h (flag_const_strings): Don't declare.
10695 * c-common.c (flag_const_strings): Remove.
10696 * c.opt (fconst_strings): Remove.
10697 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10698 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10699 (c_common_init_options): Don't set flag_const_strings.
10700 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10702 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10704 * arm.md (tlobits_cbranch): New pattern.
10705 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10706 testing a single bit.
10708 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10711 * tree-ssa-pre.c (create_component_ref_by_pieces):
10712 Handle RETURN_DECL like VAR_DECL.
10714 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10716 PR middle-end/26134
10717 * fold-const.c (fold_indirect_ref_1): Fold
10718 "*(foo *)&complexfoo" to "__real__ complexfoo"
10719 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10721 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10723 * tree-flow-inline.h (var_can_have_subvars):
10724 Volatile variables should not have subvariables.
10726 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10729 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10730 multiplying unsigned values.
10733 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10735 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10737 2006-02-08 Jason Merrill <jason@redhat.com>
10740 * tree.def: Elaborate on difference from MODIFY_EXPR.
10741 * doc/c-tree.texi (INIT_EXPR): Likewise.
10742 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10743 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10744 (gimplify_target_expr): Likewise.
10745 (gimplify_cond_expr): Remove target handling.
10746 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10747 (gimplify_expr): Clobber it here.
10748 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10749 Do return slot optimization if we have an INIT_EXPR.
10752 * tree-inline.c (declare_return_variable): Also clear
10753 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10756 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10758 PR middle-end/22439
10759 * gimplify.c (gimplify_one_sizepos): Fix typo.
10761 2006-02-08 Jeff Law <law@redhat.com>
10763 PR tree-optimization/21417
10764 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10765 across a backedge if the control statement at the end of the
10766 block is data dependent on other statements in the same block.
10767 (record_temporary_equivalences_from_stmts): Remove over-conservative
10768 test for threading across backedges.
10770 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10771 control statement, handle all three special cases in the same
10772 manner as they all have the same desired solution. No longer
10773 special case edge flag updating when the post dominator is
10776 2006-02-08 Roger Sayle <roger@eyesopen.com>
10778 * tree.def (CHAR_TYPE): Remove.
10779 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10780 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10781 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10782 (gen_string_type_die): Delete unreachable function.
10784 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10785 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10786 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10787 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10788 * builtins.c (type_to_class): Likewise.
10789 * fold-const.c (fold_convert, build_range_check,
10790 merge_ranges): Likewise.
10791 * expr.c (count_type_elements): Likewise.
10792 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10793 * stor-layout.c (layout_type): Likewise.
10794 * ipa-type-escape.c (type_to_consider): Likewise.
10795 * gimplify.c (omp_firstprivatize_type_sizes,
10796 gimplify_type_sizes): Likewise.
10797 * explow.c (promote_mode): Likewise.
10798 * tree-sra.c (is_sra_scalar_type): Likewise.
10799 * varasm.c (output_constant): Likewise.
10800 * tree-inline.c (remap_type_1): Likewise.
10801 * convert.c (convert_to_pointer, convert_to_real,
10802 convert_to_integer, convert_to_complex): Likewise.
10804 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10806 * df-scan.c (df_def_record_1): A set destination may
10807 be a parallel regardless of mode.
10809 2006-02-08 Roger Sayle <roger@eyesopen.com>
10812 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10813 * config/mips/_tilib.c: Remove.
10814 * config/fixtfdi.c: New libgcc source file.
10815 * config/fixunstfdi.c: New source file.
10816 * config/floatditf.c: New source file.
10817 * config/floatunditf.c: New souce file.
10818 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10819 files above instead of config/mips/_tilib.c.
10820 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10822 2006-02-08 Jeff Law <law@redhat.com>
10824 PR tree-optimization/26169
10825 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10828 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10830 * df.h (DF_REG_SIZE): Return the length of the initialized
10833 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10835 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10836 __muldf3): Return a correctly signed zero.
10838 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10840 * passes.c (register_one_dump_file): Accept the current properties
10841 instead of pass number. Adjust call to dump_register. Remove
10843 (register_dump_files): Now a wrapper around...
10844 (register_dump_files_1): ... this one. Do not modify the pass
10846 (next_pass_1): Cosmetic fix.
10847 (execute_todo): Keep second parameter only. Use curr_properties
10848 instead of fetching it from the pass structure. Check and set
10850 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10851 instead of fetching it from the pass structure. Fix calls to
10852 execute_todo. Update curr_properties and initialize .vcg RTL dump
10853 after running the pass. Reset last_verified.
10854 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10856 (FIRST_AUTO_NUMBERED_DUMP): New.
10857 (dump_register): Remove "num" parameter, assign it within the
10859 (get_dump_file_name): Modify template for dumps.
10860 * tree-dump.h (dump_register): Adjust prototype.
10861 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10862 (PROP_trees): Add PROP_gimple_lomp.
10863 (TODO_set_props): New.
10864 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10865 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10866 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10868 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10870 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10871 (sparc64-*-linux*): Likewise.
10872 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10873 * config/sparc/t-linux: New file.
10874 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10875 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10876 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10877 -m32 -mlong-double-128.
10879 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10880 * config/alpha/t-linux: New file.
10881 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10883 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10884 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10885 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10886 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10887 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10888 (CPP_ARCH32_SPEC): Remove.
10890 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10892 PR tree-optimization/26145
10893 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10896 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10899 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10900 >= 240000 when generating code for SOM runtime.
10901 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10902 to $$dyncall when generating code for SOM runtime..
10904 2006-02-07 Dirk Mueller <dmueller@suse.com>
10907 * doc/invoke.texi (-Wsequence-point): Update documentation
10908 that -Wsequence-point is implemented for C++ as well.
10910 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10912 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10913 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10914 (LIB_SPEC): Likewise.
10915 * doc/invoke.texi (SPARC options): Document -pthread.
10917 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10919 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10922 2006-02-07 Roger Sayle <roger@eyesopen.com>
10924 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10925 Correct comment describing BOOLEAN_TYPE.
10927 2006-02-07 Dirk Mueller <dmueller@suse.com>
10929 * c.opt: C++ frontend supports -Wdiv-by-zero.
10930 * c-opts.c (c_common_handle_option): Remove dead case.
10932 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10934 * configure.ac (TLS assembler check): Do not enable TLS by
10935 default on SPARC/Solaris before version 10.
10936 * configure: Regenerate.
10938 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10940 * doc/invoke.texi (xl-compat): Document conversion and support
10943 2006-02-07 Jeff Law <law@redhat.com>
10945 * tree-vrp.c (find_conditional_asserts): Update comments.
10946 (simplify_stmt_for_jump_threading): New.
10947 (identify_jump_threads, finalize_jump_threads): New.
10948 (vrp_finalize): Call identify_jump_threads.
10949 (execute_vrp): Call finalize_jump_threads.
10950 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10951 (vrp_element, vrp_data, vrp_element_p): Remove.
10952 (vrp_hash_elt, vrp_variables_stack): Remove.
10953 (vrp_hash, vrp_eq, record_range): Remove.
10954 (simplify_cond_and_lookup_avail_expr): Remove.
10955 (extract_range_from_cond): Remove.
10956 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10957 (simplify_stmt_for_jump_threading): New.
10958 (dom_thread_across_edge): New wrapper.
10959 (tree_ssa_dominator_optimize): No longer initialize or
10960 finalize any of the VRP datastructures. Remove iteration
10961 step and simplify as a result of removal of iteration step.
10962 (pass_dominator): Perform a cfg cleanup after DOM.
10963 (dom_opt_finalize_block): Use the new common routines
10964 for threading jumps. Simplify stack management slightly.
10965 No longer need to unwind VRP state.
10966 (record_equivalences_from_incoming_edge): No longer record
10968 (eliminate_redundant_computations): No longer call
10969 simplify_cond_and_lookup_avail_expr.
10970 * tree-flow.h (potentially_threadable_block): Prototype.
10971 (thread_across_edge): Likewise.
10972 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10973 (tree-ssa-threadedge.o): Add dependencies.
10974 * tree-ssa-threadedge.c: New file.
10975 * passes.c (init_optimization_passes): Merge PHIs before
10976 calling VRP. Run VRP again late in the SSA optimization pipeline.
10978 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10980 * df-core.c (df_set_blocks): Do not dereference function pointers.
10981 (df_finish1): Likewise.
10982 (df_hybrid_search_forward): Likewise.
10983 (df_hybrid_search_backward): Likewise.
10984 (df_iterative_dataflow): Likewise.
10985 (df_analyze_problem): Likewise.
10986 (df_compact_blocks): Likewise.
10987 (df_dump): Likewise.
10988 * df-scan.c (df_rescan_blocks): Likewise.
10989 (df_record_entry_block_defs): Likewise.
10991 * genconditions.c (write_conditions): Guard the definition of
10992 'insn_conditions' with the check on GCC version.
10993 (write_writer): Guard the traversal 'insn_conditions' with
10994 the check on GCC version.
10996 2006-02-07 Richard Guenther <rguenther@suse.de>
11000 2006-01-30 Richard Guenther <rguenther@suse.de>
11002 * gimplify.c (gimplify_target_expr): Handle easy cases
11003 without creating a temporary.
11005 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11007 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11008 use of float in probability computations. Use edge probabilities
11009 in place of statically computed probabilities.
11010 (min_spec_prob): New static variable.
11011 (schedule_insns): Initialize it.
11012 (GET_SRC_PROB): Removed.
11013 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11015 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11018 * config/ia64/unwind-ia64.c: Revert last change.
11019 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11020 (INCOMING_FRAME_SP_OFFSET): Define.
11022 2006-02-06 Roger Sayle <roger@eyesopen.com>
11024 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11026 2006-02-07 Ben Elliston <bje@au.ibm.com>
11028 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11029 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11030 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11031 (ix86_return_in_memory): Handle TDmode.
11032 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11033 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11035 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11037 * reorg.c (dbr_schedule): Use dump_file instead of file.
11039 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11042 * config/ia64/predicates.md (extr_len_operand): New predicate.
11043 * config/ia64/ia64.md (extv): Tighten constraints.
11045 (*tbit_and_2): Ditto.
11046 (*tbit_and_3): Ditto.
11047 (*tbit_or_2): Ditto.
11048 (*tbit_or_3): Ditto.
11049 (*bit_zero): Ditto.
11052 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11055 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11057 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11059 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11060 loop_optimizer_init and loop_optimizer_finalize
11061 * tree-ssa-sink.c (execute_sink_code): Ditto.
11062 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11063 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11064 tree_ssa_loop_done): Ditto.
11065 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11066 * sched-ebb.c: Include output.h.
11067 (schedule_ebbs): Do not use dump argument.
11068 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11069 * loop.c (loop_dump_stream): Removed.
11070 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11072 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11073 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11074 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11075 loop_iterations, strength_reduce, record_biv, record_giv,
11076 final_giv_value, check_final_value, check_ext_dependent_givs,
11077 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11078 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11079 dump_file instead of loop_dump_stream.
11080 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11081 argument dump_file.
11082 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11084 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11085 * haifa-sched.c: Include output.h
11086 (schedule_insns, sched_init): Do not use dump argument.
11087 * mode-switching.c (optimize_mode_switching): Ditto.
11088 * modulo-sched.c (stats_file): Removed.
11089 (print_node_sched_params): Do not call argument dump_file.
11090 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11091 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11093 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11095 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11096 rtl_loop_init, rtl_loop_done): Ditto.
11097 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11098 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11100 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11101 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11102 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11103 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11104 * emit-rtl.c (renumber_insns): Ditto.
11105 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11106 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11107 * regclass.c (regclass): Ditto.
11108 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11109 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11110 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11111 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11113 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11114 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11116 * gcse.c (gcse_file, debug_stderr): Removed.
11117 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11118 rest_of_handle_gcse): Do not use dump argument.
11119 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11120 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11121 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11122 compute_code_hoist_vbeinout, compute_code_hoist_data,
11123 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11124 compute_store_table, build_store_vectors, insert_insn_start_bb,
11125 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11126 store_motion): Use dump_file instead of gcse_file.
11127 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11128 * profile.c (profile_dump_file): Removed.
11129 (branch_prob): Use dump_file instead of profile_dump_file.
11130 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11132 * tree-ssa-copy.c (dump_copy_of): Ditto.
11133 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11134 dump file to life_analysis.
11135 * bt-load.c (branch_target_load_optimize): Ditto.
11136 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11138 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11139 regclass, dbr_schedule): Declaration changed.
11140 * sched-int.h (sched_init): Declaration changed.
11141 * tree-profile.c (tree_profile_dump_file): Removed.
11142 (tree_profile_hooks): Removed profile_dump_file hook.
11143 * rtl-profile (rtl_profile_dump_file): Removed.
11144 (rtl_profile_hooks): emoved profile_dump_file hook.
11145 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11147 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11148 * tree-cfg.c (build_tree_cfg): Ditto.
11149 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11150 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11151 Declaration changed.
11152 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11153 life_analysis and schedule_insns.
11154 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11156 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11158 * config/mips/mips.c (mips_reorg): Ditto.
11159 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11162 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11164 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11165 (s390_mangle_fundamental_type): New.
11166 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11169 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11170 (alpha_mangle_fundamental_type): New.
11171 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11174 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11176 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11178 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11179 (sparc_mangle_fundamental_type): New.
11181 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11183 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11184 (s390x-*-linux*): Likewise.
11185 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11186 * config/s390/t-linux: New file.
11188 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11190 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11191 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11193 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11195 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11196 (ANTIC_SAFE_LOADS): New macro.
11197 (find_or_generate_expression): Add prototype.
11198 (set_contains_value): Allow null set for sake of not always having
11199 to allocate ANTIC_SAFE_LOADS.
11200 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11201 Allow COMPONENT_REF too.
11202 (valid_in_set): Allow COMPONENT_REF.
11203 Check ANTIC_SAFE_LOADS too.
11204 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11205 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11207 (can_PRE_operation): Add COMPONENT_REF.
11208 (create_component_ref_by_pieces): New function.
11209 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11210 (insert_aux): Move AGGREGATE_TYPE_P check here.
11211 (compute_avail): Set bb local stmt uids.
11212 (pass_pre): Use TODO_update_ssa_only_virtuals.
11214 2006-02-06 Ben Elliston <bje@au.ibm.com>
11216 * configure.ac: Unconditionally disable decimal float by default.
11217 * configure: Regenerate.
11219 2006-02-06 Ben Elliston <bje@au.ibm.com>
11221 * read-rtl.c (read_name): Terminate reading on EOF.
11223 2006-02-06 Ben Elliston <bje@au.ibm.com>
11225 * dfp.c (decimal_real_arithmetic): Change second argument type
11226 from int to enum tree_code. Do not always return true, but now
11227 return result of any call to decimal_do helper functions.
11228 * dfp.h (decimal_real_arithmetic): Update prototype.
11230 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11232 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11234 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11237 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11240 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11242 * tree-vrp.c (cfg_loops): Removed.
11243 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11244 Use current_loops instead of cfg_loops. Pass flags to
11245 loop_optimizer_init.
11246 * cfgloopmanip.c (fix_loop_structure): Update only available
11248 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11249 loop_optimizer_init.
11250 * modulo-sched.c (build_loops_structure): Removed.
11251 (sms_schedule): Use loop_optimizer_init.
11252 * loop-init.c (loop_optimizer_init): Use flags to determine
11253 which properties of loops to prepare.
11254 (rtl_loop_init): Pass flags to loop_optimizer_init.
11255 * tree-ssa-sink.c (execute_sink_code): Ditto.
11256 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11257 * tree-ssa-pre.c (init_pre): Ditto.
11258 * cfgloop.h (LOOPS_NORMAL): New.
11259 (loop_optimizer_init): Declaration changed.
11261 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11263 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11264 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11266 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11268 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11270 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11271 * pa/t-pa64: Delete quadlib.c rule.
11272 * pa/x-ada: Revert last change.
11273 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11275 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11277 PR rtl-optimization/26087
11278 * rtlanal.c (canonicalize_condition): Do not cross basic block
11281 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11284 * config/ia64/ia64.c: Include debug.h.
11285 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11286 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11287 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11288 (process_epilogue, process_set, process_for_unwind_directive):
11289 Output unwind info only if requested. Add CFA info if requested.
11290 Add new arguments as needed. Adjust callers.
11291 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11293 (DWARF2_FRAME_INFO): Define to zero.
11294 * config/ia64/unwind-ia64.c: Remove code that compensated for
11295 the CFA offset error fixed above.
11296 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11297 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11298 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11299 -funwind-tables and -fexceptions to enable frame info.
11300 (dwarf2out_frame_init): Define initial CFA even if
11301 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11302 DWARF2_UNWIND_INFO is nonzero, not just defined.
11303 (dwarf2out_frame_finish): Output non-EH call frame info only
11304 if DWARF2_FRAME_INFO is nonzero.
11305 (convert_cfa_to_loc_list,
11306 compute_frame_pointer_to_cfa_displacement): Define even if
11307 unwind info is not supported.
11308 (gen_subprogram_die): Use the above unconditionally. Remove
11309 legacy alternate code.
11310 * toplev.c (compile_file): Compile in call to
11311 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11312 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11314 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11315 Jakub Jelinek <jakub@redhat.com>
11317 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11318 IBM extended float format long double as "g" on powerpc*-linux.
11320 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11323 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11324 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11326 2006-02-03 Jason Merrill <jason@redhat.com>
11329 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11331 PR middle-end/25977
11332 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11333 on the return slot if it's an NRV.
11335 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11337 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11338 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11339 rewrite_use): Do not handle USE_OUTER.
11340 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11341 add_iv_outer_candidates, may_replace_final_value,
11342 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11343 (find_interesting_uses_op): Functionality of
11344 find_interesting_uses_outer_or_nonlin moved here.
11345 (find_interesting_uses_outside): Use find_interesting_uses_op.
11347 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11350 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11352 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11353 Ulrich Weigand <uweigand@de.ibm.com>
11356 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11357 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11358 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11359 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11361 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11362 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11363 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11364 Define secondary reloads for TFmode moves.
11365 (constant_modes): Add TFmode.
11366 (NR_C_MODES): Set to 8.
11367 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11369 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11370 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11371 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11372 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11373 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11374 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11375 (FPR mode macro): Add TFmode.
11376 (DSF mode macro): New.
11377 (<de>, <dee> mode attributes): Removed.
11378 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11379 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11380 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11381 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11382 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11383 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11384 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11385 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11386 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11387 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11388 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11389 "*negabs<mode>2", "sqrt<mode>2"):
11390 Changed <de> to <xde>. R constraint replaced by <Rf>.
11391 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11393 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11394 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11395 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11397 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11398 "extenddftf2", "extendsftf2"): New expanders.
11399 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11400 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11401 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11402 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11404 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11405 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11406 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11407 __floatditf): Add a GCC_4.1.0 symbol version tag.
11408 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11411 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11414 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11415 Use targetm.binds_local_p instead of TREE_PUBLIC.
11417 2006-02-02 Roger Sayle <roger@eyesopen.com>
11419 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11420 on INTEGER_TYPEs to indicate that it denotes a character type.
11421 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11422 signed_char_type_node, unsigned_char_type_node and char_type_node.
11423 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11424 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11425 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11427 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11428 Daniel Berlin <dberlin@dberlin.org>
11430 * tree-tailcall.c (arg_needs_copy_p): New function.
11431 (eliminate_tail_call): Use arg_needs_copy_p.
11432 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11433 (add_virtual_phis): New function.
11435 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11437 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11438 #ignore instead of #scratch for %g7 .register directive.
11440 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11442 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11445 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11447 * flow.c (calculate_global_regs_live): Assert that there aren't any
11450 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11452 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11453 what its name says.
11454 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11455 bsi_after_labels iterator.
11456 * tree-if-conv.c (find_phi_replacement_condition,
11457 replace_phi_with_cond_modify_expr): Likewise.
11458 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11459 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11461 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11463 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11465 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11468 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11469 array after growing it.
11471 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11473 PR middle-end/24901
11474 * fold-const.c (fold_checksum_tree): Change type of buf.
11476 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11478 * reload.c (push_secondary_reload): Initialize t_icode.
11480 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11482 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11483 -msoft-float -mlong-double-128 only issue a warning, but don't
11484 swich to DFmode long double.
11486 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11488 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11489 has a constant equivalent, iterate over equivalents for arg0,
11490 calling simplify_relational_operation and if there's a result
11491 cheaper than X, apply fold_rtx and return the result.
11493 2006-02-01 Jan Hubicka <jh@suse.cz>
11495 * opts.c (no_unit_at_a_time_default): New global variable.
11496 (decode_options): Use it.
11497 * opts.h (no_unit_at_a_time_default): Declare.
11499 2006-02-01 Paul Brook <paul@codesourcery.com>
11501 * function.c (assign_parm_setup_reg): Use function argument promotion
11503 * expr.c (expand_expr_real_1): Use function argument promotion rules
11506 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11508 * gcc.c (process_command): Change j to 'unsigned int'.
11510 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11512 PR middle-end/26001
11513 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11514 Use the corrected index for the character
11515 out of the string constant.
11517 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11519 * mode-switching.c (optimize_mode_switching): Fix size
11520 allocated for bb_info[n_entities].
11522 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11524 * gcc.c (main): Correct type that is allocated for
11525 explicit_link_files.
11527 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11529 * config/s390/s390.c (init_alignment_context): Set
11530 ALIAS_SET_MEMORY_BARRIER on the MEM.
11531 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11533 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11535 PR middle-end/25933
11536 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11538 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11541 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11543 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11544 * regrename.c: Ditto.
11545 * tree-ssa-loop-im.c: Ditto.
11546 * tree-dump.c: Ditto.
11547 * tree-complex.c: Ditto.
11548 * genrecog.c: Ditto.
11549 * tree-ssa-threadupdate.c: Ditto.
11551 * java/class.c: Ditto.
11552 * java/jcf-parse.c: Ditto.
11553 * java/resource.c: Ditto.
11554 * java/except.c: Ditto.
11555 * java/jvspec.c: Ditto.
11556 * java/jcf-write.c: Ditto.
11557 * java/jcf-path.c: Ditto.
11558 * java/gjavah.c: Ditto.
11559 * java/zextract.c: Ditto.
11560 * java/jcf-io.c: Ditto.
11561 * java/jcf.h: Ditto.
11562 * java/buffer.c: Ditto.
11563 * java/lang.c: Ditto.
11564 * java/parse-scan.y: Ditto.
11565 * java/lex.c: Ditto.
11566 * java/lex.h: Ditto.
11567 * cfgloopmanip.c: Ditto.
11568 * postreload-gcse.c: Ditto.
11569 * tree-ssa-loop-manip.c: Ditto.
11570 * postreload.c: Ditto.
11571 * tree-ssa-loop-ch.c: Ditto.
11574 * cppspec.c: Ditto.
11575 * diagnostic.c: Ditto.
11577 * genoutput.c: Ditto.
11579 * cfghooks.c: Ditto.
11580 * cfgloopanal.c: Ditto.
11581 * objc/objc-act.c: Ditto.
11583 * genextract.c: Ditto.
11584 * genautomata.c: Ditto.
11585 * pretty-print.c: Ditto.
11586 * genemit.c: Ditto.
11587 * cgraphunit.c: Ditto.
11589 * df-scan.c: Ditto.
11590 * haifa-sched.c: Ditto.
11591 * dominance.c: Ditto.
11593 * tree-ssa-loop-ivopts.c: Ditto.
11594 * df-core.c: Ditto.
11595 * mode-switching.c: Ditto.
11596 * modulo-sched.c: Ditto.
11598 * ipa-pure-const.c: Ditto.
11600 * fix-header.c: Ditto.
11602 * tree-stdarg.c: Ditto.
11603 * ipa-utils.c: Ditto.
11604 * loop-init.c: Ditto.
11605 * ipa-inline.c: Ditto.
11606 * cfganal.c: Ditto.
11608 * alloc-pool.c: Ditto.
11609 * dwarf2out.c: Ditto.
11611 * genattrtab.c: Ditto.
11612 * tree-ssa-loop-ivcanon.c: Ditto.
11613 * predict.c: Ditto.
11614 * timevar.c: Ditto.
11616 * fortran/gfortranspec.c: Ditto.
11617 * regmove.c: Ditto.
11618 * local-alloc.c: Ditto.
11619 * langhooks.c: Ditto.
11620 * function.c: Ditto.
11621 * tree-vectorizer.c: Ditto.
11623 * ipa-type-escape.c: Ditto.
11625 * tree-if-conv.c: Ditto.
11626 * profile.c: Ditto.
11628 * tree-data-ref.c: Ditto.
11629 * loop-unroll.c: Ditto.
11630 * treelang/treetree.c: Ditto.
11632 * bt-load.c: Ditto.
11633 * ggc-common.c: Ditto.
11635 * coverage.c: Ditto.
11637 * tree-cfgcleanup.c: Ditto.
11638 * tree-ssa-pre.c: Ditto.
11639 * cfgcleanup.c: Ditto.
11640 * loop-invariant.c: Ditto.
11641 * loop-iv.c: Ditto.
11642 * ipa-prop.c: Ditto.
11643 * print-tree.c: Ditto.
11644 * conflict.c: Ditto.
11645 * ggc-page.c: Ditto.
11646 * sched-deps.c: Ditto.
11647 * regclass.c: Ditto.
11648 * tree-object-size.c: Ditto.
11649 * combine.c: Ditto.
11650 * bb-reorder.c: Ditto.
11651 * resource.c: Ditto.
11652 * var-tracking.c: Ditto.
11653 * cfgloop.c: Ditto.
11654 * df-problems.c: Ditto.
11655 * reg-stack.c: Ditto.
11657 * gccspec.c: Ditto.
11658 * sched-rgn.c: Ditto.
11659 * tree-ssa-structalias.c: Ditto.
11660 * tree-ssa-reassoc.c: Ditto.
11661 * config/darwin-c.c: Ditto.
11662 * config/darwin.c: Ditto.
11663 * config/arm/arm.c: Ditto.
11665 * collect2.c: Ditto.
11666 * reload1.c: Ditto.
11668 2006-01-31 Nicolas Pitre <nico@cam.org>
11670 * arm.md (smaxsi3): Make aware of smax_m1.
11673 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11675 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11677 2006-01-31 Richard Guenther <rguenther@suse.de>
11679 * doc/invoke.texi (-msselibm): Document.
11680 * target.h (expand_library_builtin): New target hook.
11681 * builtins.c (expand_builtin): Use expand_library_builtin.
11682 (default_expand_library_builtin): New function.
11683 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11684 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11685 (link_gcc_math_spec): Declare.
11686 (static_specs): Add link_gcc_math_spec.
11687 * expr.h (default_expand_library_builtin): Declare.
11688 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11689 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11690 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11691 * config/i386/i386.opt (msselibm): New target option.
11692 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11693 (ix86_init_sse_abi_builtins): New function.
11694 (ix86_expand_library_builtin): Likewise.
11695 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11696 (override_options): Handle error conditions wrt -msselibm.
11697 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11698 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11699 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11702 2006-01-31 Richard Guenther <rguenther@suse.de>
11703 Paolo Bonzini <bonzini@gnu.org>
11705 * doc/install.texi (--disable-libgcc-math): Document.
11707 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11709 * expr.h (expand_normal): new inline function.
11710 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11711 * dojump.c: use it.
11712 * dwarf2out.c: use it.
11715 * expmed.c: use it.
11716 * except.c: use it.
11717 * config/sparc/sparc.c: use it.
11718 * config/i386/i386.c: use it.
11719 * config/rs6000/rs6000.c: use it.
11720 * config/arm/arm.c: use it.
11721 * config/mips/mips.c: use it.
11722 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11724 2006-01-30 Roger Sayle <roger@eyesopen.com>
11726 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11727 argv to the appropriate type.
11729 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11731 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11734 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11737 * config/s390/s390.c (struct machine_function): New flag
11738 decomposed_literal_pool_addresses_ok_p.
11739 (s390_reorg): Set it before final stage of literal pool transforms.
11740 (s390_decompose_address): Only accept displacements of the form
11741 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11743 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11745 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11746 the comparison routine return.
11748 2006-01-30 Michael Matz <matz@suse.de>
11750 * global.c (find_reg): Only evict for global regs.
11751 Take n_refs into account and dump more info.
11753 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11756 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11757 (pragma_trap, pragma_nosave_low_regs): Likewise.
11758 (current_function_anonymous_args): Likewise.
11759 (sh_deferred_function_attributes): New variable.
11760 (sh_deferred_function_attributes_tail): Likewise.
11761 (print_operand): For '@', look up trap_exit attribute.
11762 (calc_live_regs): Look up trapa_handler attribute. For trapa
11763 handlers, save/restore fpscr, but don't do any other
11764 interrupt-specific saves.
11765 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11766 Fix check for partially saved registers to check for SHmedia.
11767 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11768 (sh_output_function_epilogue): Don't clear any of the removed
11770 (sh_insert_attributes): Don't check pragma_interrupt.
11771 Insert deferred attributes. Check that interrupt attribute is
11772 present for other attributes that require its presence.
11773 (sh_attribute_table): Add new attributes trapa_handler and
11775 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11776 Don't check for pragma_interrupt. Don't store argument.
11777 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11778 (sh_deferred_function_attributes): Declare.
11779 (sh_deferred_function_attributes_tail): Likewise.
11780 * sh.md (sp_switch_1): Add operand. Change generator caller.
11781 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11782 (*return_i): Don't use when trap_exit attribute is in effect.
11783 (*return_trapa): New insn pattern.
11784 * sh-c.c: New file.
11785 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11786 setting c_target_objs and cxx_target_objs.
11787 * t-sh: Add rule for sh-c.o.
11789 2006-01-30 Richard Guenther <rguenther@suse.de>
11792 * gimplify.c (gimplify_target_expr): Handle easy cases
11793 without creating a temporary.
11795 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11797 * vec.h (safe_grow): Remove duplicated line.
11799 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11802 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11803 (expand_omp): ... here.
11804 (expand_omp_parallel): Only remove barriers for combined
11805 parallel+workshare constructs.
11807 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11811 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11812 * tree.c (build_qualified_type): Chain the new type to the original
11813 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11814 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11815 (build_pointer_type_for_mode): Only return unqualified types.
11816 (build_reference_type_for_mode): Likewise.
11818 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11820 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11821 * Makefile.in (CXX_COMPAT_WARN): Define.
11822 * configure: Regenerate.
11824 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11827 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11830 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11832 * toplev.c: Fix thinko.
11834 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11835 Marcin Dalecki <martin@dalecki.de>
11837 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11838 (push_srcloc): Use XNEW.
11839 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11841 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11843 * df-core.c (df_set_blocks): Deleted all variable.
11845 2006-01-28 Ian Lance Taylor <ian@airs.com>
11847 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11848 cgraph_output_pending_asms.
11850 2006-01-28 Zack Weinberg <zackw@panix.com>
11852 * c.opt: Add -W(no-)overlength-strings.
11853 * doc/invoke.texi: Document it.
11854 * c-opts.c (c_common_handle_option): -pedantic implies
11855 -Woverlength-strings, if not explicitly disabled already.
11856 (c_common_post_options): -Woverlength-strings defaults to off, and
11857 is always off for C++.
11858 * c-common.c (fix_string_type): Issue warning about strings longer
11859 than is portable only if warn_overlength_strings. Rearrange code
11860 a little for clarity.
11861 * configure.in: Check for -Wno-overlength-strings as well before
11862 enabling -pedantic in stage 1.
11863 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11864 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11866 * genconditions.c (write_header, write_one_condition)
11867 (write_conditions, write_writer): Consolidate very long strings
11868 that were broken up to fit in C89 portable limit. Don't use
11869 printf when fputs will do.
11871 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11873 * combine.c (simplify_comparison <AND>): Check
11874 TRULY_NOOP_TRUNCATION before start using a subreg.
11876 * config/mips/mips.md (*branch_zero<mode>,
11877 *branch_zero<mode>_inverted, *branch_equality<mode>,
11878 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11879 Remove mode check from comparisons.
11881 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11883 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11885 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11887 * expmed.c (const_mult_add_overflow_p): Remove.
11888 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11890 * recog.c (validate_replace_rtx_subexp): Remove.
11891 * recog.h: Remove the prototype for
11892 validate_replace_rtx_subexp.
11894 * integrate.h: Remove the prototype for
11895 copy_decl_for_inlining.
11896 * rtl.h: Remove the prototype for mark_constant_function.
11897 * tree-vectorizer.h: Remove the prototype for
11898 vect_strip_conversion.
11900 * modulo-sched.c (create_partial_schedule,
11901 free_partial_schedule, reset_partial_schedule): Make them
11904 * hooks.c (hook_bool_rtx_int_false): Remove.
11905 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11907 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11909 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11910 and -mlong-double-128 are incompatible.
11911 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11912 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11913 (TARGET_LIBGCC2_CFLAGS): Define.
11914 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11915 (TARGET_LIBGCC2_CFLAGS): Same.
11916 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11918 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11921 * c-typeck.c (build_binary_op): Perform implicit casts of
11922 operands before shortening them.
11924 * cfgloopmanip.c (split_loop_bb): Remove.
11925 * cfgloop.h: Remove the prototype for split_loop_bb.
11927 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11928 * cfgloop.h: Remove the prototype for
11929 flow_loop_outside_edge_p.
11931 * emit-rtl.c (init_virtual_regs): Make it static.
11932 * function.h: Remove the prototype for init_virtual_regs.
11934 * recog.c (peephole2_optimize): Make it static.
11935 * recog.h: Remove the prototype for peephole2_optimize.
11937 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11939 * df-scan.c (df_record_entry_block_defs): Check if
11940 INCOMING_RETURN_ADDR_RTX is defined.
11942 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11943 Kenneth Zadeck <zadeck@naturalbridge.com>
11945 PR rtl-optimization/24762
11946 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11947 * targhooks.c (hook_void_bitmap): New hook prototype.
11948 * targhoohs.h (hook_void_bitmap): Ditto.
11949 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11950 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11951 * target.h (live_on_entry): New function pointer.
11952 * df-scan.c (df_all_hard_regs): Removed.
11953 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11954 (df_scan_free_internal): Added df->entry_block_defs.
11955 (df_scan_alloc): Ditto.
11956 (df_scan_dump): Ditto.
11957 (df_uses_record): Plumbed flag field properly thru calls.
11958 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11959 This part fixes PR24762.
11960 (df_bb_refs_record): Added code to make the frame and arg
11961 pointers live in EH blocks.
11962 (df_refs_record): Added call to df_record_entry_block_defs.
11963 (df_record_entry_block_defs): New function.
11964 * df-core.c: Added comments to describe new artifical defs.
11965 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11966 (entry_block_defs): New field in struct df.
11967 (df_all_hard_regs): Deleted.
11968 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11969 * df-problems.c (df_ru_bb_local_compute_process_def):
11970 Added code to handle artifical defs in the entry to a function.
11971 (df_ru_bb_local_compute): Ditto.
11972 (df_rd_bb_local_compute_process_def): Ditto.
11973 (df_rd_bb_local_compute): Ditto.
11974 (df_lr_bb_local_compute): Ditto.
11975 (df_ur_bb_local_compute): Ditto.
11976 (df_urec_bb_local_compute): Ditto.
11977 (df_chain_create_bb): Ditto.
11978 (df_ur_local_finalize): Removed entry.
11979 (df_urec_init): Ditto.
11980 (df_urec_local_finalize): Ditto.
11981 (df_ri_bb_compute): Added detection of last use of pseudos.
11982 * Makefile.in (df-scan.o): Updated dependencies.
11983 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11984 * config/mips/mips.c (mips_set_live_on_entry): Added.
11985 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11987 * dce.c (marked_insn_p): Added code to handle artifical defs.
11989 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11991 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11993 (_mm_cvtsi128_si64): Likewise.
11994 (_mm_cvtsd_si64): Likewise.
11995 (_mm_cvttsd_si64): Likewise.
11996 (_mm_cvtsi64_sd): Likewise.
11997 (_mm_cvtsi64_si128): Likewise.
11998 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11999 (_mm_cvtsi64_m64): Likewise.
12000 (_m_to_int64): Likewise.
12001 (_mm_cvtm64_si64): Likewise.
12002 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12003 (_mm_cvttss_si64): Likewise.
12004 (_mm_cvtsi64_ss): Likewise.
12005 (_mm_cvtss_f32): Likewise.
12007 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12009 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12010 for pragma redefine_extname.
12012 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12015 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12016 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12017 -mno-minimal-toc to previous content.
12018 (bispecs): Remove goal.
12019 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12020 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12021 compatibility aliases on powerpc-*-*gnu*.
12022 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12023 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12024 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12025 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12026 (ldblspecs): New goal.
12027 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12028 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12030 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12031 L_sf_to_tf or L_df_to_tf is defined.
12033 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12034 Alan Modra <amodra@bigpond.net.au>
12037 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12038 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12039 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12040 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12041 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12042 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12043 (rs6000_override_options): Initialize rs6000_ieeequad.
12044 Initialize TFmode format to ibm_extended_format if not
12046 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12048 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12049 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12050 (function_arg_advance): IBM long double passed in two FPRs, not
12052 (function_arg): IBM long double passed in FPRs.
12053 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12054 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12055 Only multireg GPR aligned.
12056 (rs6000_init_libfuncs): Enable IBM long double functions if not
12058 (rs6000_generate_compare): Use IBM long double compare if not
12060 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12061 (TARGET_IEEEQUAD): Define.
12062 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12063 not TARGET_IEEEQUAD.
12064 * config/rs6000/rs6000.md: Enable TFmode patterns if
12066 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12067 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12068 and -mlong-double-128 are incompatible.
12069 * doc/invoke.texi (-mabi): Collect options together. Add
12070 ibmlongdouble and ieeelongdouble.
12072 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12074 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12076 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12077 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12078 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12079 * rtl.h (rtunion_def): Remove rt_ptr.
12081 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12082 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12083 * config/i386/winnt.c (i386_pe_mark_dllexport)
12084 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12086 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12088 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12090 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12094 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12095 pthread_key_delete. From John David Anglin. gthrw-ify
12096 pthread_getunique_np only if it it's not a macro. Delete
12098 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12099 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12100 __gthread_objc_condition_signal, __gthread_key_delete): Add
12101 "__attribute__ ((__unused__))" to unused arguments.
12102 (__gthread_recursive_mutex_init_function): Add missing return.
12103 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12104 gthr-posix95.h: Use macro-based approach for name redirection
12105 on targets missing weakref.
12107 2006-01-26 Zack Weinberg <zackw@panix.com>
12109 * genconditions.c (write_header): In generated code, #ifdef out
12110 all includes and fake declarations, except includes of bconfig.h
12111 and system.h, unless GCC_VERSION >= 3001. Do not include
12112 gensupport.h in any case.
12113 (write_conditions): Generate a definition of struct c_test. Add
12114 a comment to the generated #endif.
12115 (write_one_condition): Escape backslashes in string too.
12116 (write_writer): Generated code must escape backslashes and quote
12117 marks (but not newlines) in the strings it writes.
12118 * Makefile.in (build/gencondmd.o): Update dependencies.
12120 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12123 * Makefile.in (insn-automata.o): Add header file dependencies.
12124 * genautomata.c: Add includes.
12126 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12129 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12131 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12133 * configure.ac: Expect target tools paths to be passed from the toplevel
12134 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12136 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12138 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12141 * c.opt (Wpointer-sign): Init to -1.
12142 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12143 OPT_pedantic, to 0 otherwise.
12144 * doc/invoke.texi: Update.
12146 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12148 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12149 constants provided by 80387 instructions in the destination mode.
12151 2006-01-26 Richard Guenther <rguenther@suse.de>
12152 Andrew Pinski <pinskia@physics.uc.edu>
12155 partial PR tree-opt/17064
12156 * tree-ssa-structalias.c (intra_create_variable_infos):
12157 Create heap variables for incoming parameters if
12158 flag_argument_noalias > 1.
12159 (find_what_p_points_to): Look through default defs of
12162 2006-01-26 Jeff Law <law@redhat.com>
12165 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12166 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12167 within the VR_RANGE, use the VR_RANGE as the result, not the
12169 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12170 bounds for the type.
12172 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12174 * tree-ssa-alias.c (maybe_create_global_var): Change
12175 subvar walking to an assertion that we don't have subvar'd variables.
12177 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12180 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12181 Use a new variable, inner. PARM_DECLs are always non-weak.
12183 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12185 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12186 --disable-checking.
12188 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12190 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12192 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12194 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12195 (smax_insn, smin_insn, smax_0, smin_0): New.
12197 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12200 * config/cris/cris.c (cris_order_for_addsi3): New function.
12201 * config/cris/cris-protos.h: Prototype it.
12202 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12203 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12204 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12205 (split for "op.S1 [rx=rx+i],ry (swapped)")
12206 (split for "op(s|u).S1 [rx=rx+i],ry")
12207 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12208 Apply cris_order_for_addsi3 when generating addsi3 insns.
12210 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12212 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12213 (TREE_BLOCK): Add call to EXPR_CHECK.
12215 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12218 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12219 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12220 (dump_omp_clauses): ... here.
12221 (dump_generic_node): Handle OMP_CLAUSE.
12222 * tree.c (omp_clause_num_ops): New.
12223 (omp_clause_code_name): New.
12224 (tree_code_size): Handle OMP_CLAUSE.
12225 (tree_size): Likewise.
12226 (make_node): Document handling of OMP_CLAUSE.
12227 (tree_node_structure): Handle OMP_CLAUSE.
12228 (omp_clause_check_failed): New.
12229 (omp_clause_range_check_failed): New.
12230 (omp_clause_operand_check_failed): New.
12231 (build_omp_clause): New.
12232 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12233 * tree.h (enum omp_clause_code): Declare.
12234 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12235 (OMP_CLAUSE_RANGE_CHECK): Define.
12236 (OMP_CLAUSE_ELT_CHECK): Define.
12237 (omp_clause_check_failed): Declare.
12238 (omp_clause_operand_check_failed): Declare.
12239 (omp_clause_range_check_failed): Declare.
12240 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12241 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12242 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12243 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12244 (OMP_CLAUSE_IF_EXPR): Likewise.
12245 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12246 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12247 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12248 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12249 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12250 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12251 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12252 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12253 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12254 (OMP_CLAUSE_CODE): Define.
12255 (OMP_CLAUSE_SET_CODE): Define.
12256 (OMP_CLAUSE_CODE): Define.
12257 (OMP_CLAUSE_OPERAND): Define.
12258 (struct tree_omp_clause): Declare.
12259 (union tree_node): Add field 'omp_clause'.
12260 * treestruct.def (TS_OMP_CLAUSE): Define.
12261 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12262 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12263 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12264 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12265 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12266 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12267 (OMP_CLAUSE): Define.
12268 * print-tree.c (print_node): Handle OMP_CLAUSE.
12269 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12270 * c-typeck.c: Likewise.
12271 * gimplify.c: Likewise.
12272 * c-omp.c: Likewise.
12273 * tree-nested.c: Likewise.
12274 * tree-inline.c: Likewise.
12275 * c-parser.c: Likewise.
12276 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12279 2006-01-25 Roger Sayle <roger@eyesopen.com>
12281 PR rtl-optimization/25703
12282 * combine.c (try_combine): Handle zero_extract and strict_low_part
12283 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12285 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12287 * global.c: Fix comment typos.
12289 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12292 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12293 Use output_addr_const instead of assemble_name.
12295 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12297 * Makefile.in (sched-vis.o): Update dependencies.
12298 * haifa-sched.c (sched_finish): Clear current_sched_info.
12299 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12300 (dump_flow_info): Call it.
12301 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12303 * basic-block.h (dump_bb_info): Declare.
12304 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12305 option, and apply options only for dump files whose TDF_RTL,
12306 TDF_TREE, or TDF_IPA bits match.
12307 * rtl.h: Declare new functions exported from sched-vis.c.
12308 * sched-vis.c: Enable also if scheduling is not used.
12309 (print_value): Print the mode of registers if not inside scheduling.
12310 (print_insn): Make it work outside the scheduler. Beautify the output
12312 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12314 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12316 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12317 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12318 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12319 depending on the value of CONSTANT_POOL_ADDRESS_P.
12320 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12322 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12323 rather than SYMBOL_REF_DECL.
12324 (rtx_constant_pool): Remove const_rtx_sym_htab.
12325 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12326 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12327 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12328 Remove handling of const_rtx_sym_htab.
12329 (find_pool_constant): Delete.
12330 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12331 rather than find_pool_constant.
12332 (get_pool_constant_for_function): Delete.
12333 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12334 find_pool_constant.
12335 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12336 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12337 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12338 (SYMBOL_REF_CONSTANT): New macro.
12339 (get_pool_constant_for_function): Delete.
12340 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12341 rather than SYMBOL_REF_DECL.
12342 (i386_pe_mark_dllimport): Likewise.
12343 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12344 rather than SYMBOL_REF_DECL.
12345 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12346 (machopic_indirect_call_target): Likewise.
12348 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12350 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12352 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12354 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12356 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12358 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12360 2006-01-24 David Daney <ddaney@avtrex.com>
12363 * configure.ac (enable_tls): New enable option.
12364 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12365 * configure: Regenerate.
12366 * doc/install.texi (--enable-tls): Document new option.
12367 (--disable-tls): Ditto.
12369 2006-01-24 Richard Henderson <rth@redehat.com>
12371 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12372 * alias.c (true_dependence): Respect it.
12373 (canon_true_dependence, write_dependence_p): Likewise.
12374 * builtins.c (get_builtin_sync_mem): Set it.
12376 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12378 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12381 2006-01-24 DJ Delorie <dj@redhat.com>
12383 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12384 for storing constants in single-bit bitfields.
12386 2006-01-25 Ben Elliston <bje@au.ibm.com>
12388 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12390 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12393 * tree-ssa-pre.c (phi_translate): Return NULL
12394 for AGGREGATE_TYPE's.
12396 2006-01-24 Zack Weinberg <zackw@panix.com>
12398 * genautomata.c (process_state_for_insn_equiv_partition):
12399 Use xcalloc for insn_arcs_array.
12400 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12401 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12403 2006-01-24 Richard Henderson <rth@redhat.com>
12405 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12406 update all callers.
12408 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12410 PR rtl-optimization/25890
12411 PR rtl-optimization/25905
12412 * combine.c (expand_compound_operation, expand_field_assignment):
12413 Fail if the bitfield's final position is out of bounds.
12415 2006-01-24 Ian Lance Taylor <ian@airs.com>
12417 PR middle-end/25930
12418 * cgraphunit.c (cgraph_output_in_order): Don't clear
12419 cgraph_asm_nodes until after asm strings have been output.
12421 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12423 * fix-header.c (read_scan_file): Add new parameter imultilib when
12424 calling register_include_chains.
12426 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12428 * omp-low.c: Update documentation.
12430 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12431 Daniel Berlin <dberlin@dberlin.org>
12435 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12436 return from the function.
12438 2006-01-22 Zack Weinberg <zackw@panix.com>
12440 * rtl.def (match_code): Add second argument.
12441 * genpreds.c (write_extract_subexp): New function.
12442 (write_match_code): Add path argument. Use write_extract_subexp.
12443 (write_predicate_expr): Pass path to write_match_code.
12444 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12445 not perform a mode test.
12446 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12447 a subexpression does not constrain the top-level code set.
12448 * read-rtl.c (read_rtx_variadic): New function.
12449 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12450 * doc/md.texi: Document new notation.
12451 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12452 (cmpsi_operand): ... here, using new notation.
12454 2006-01-22 Zack Weinberg <zackw@panix.com>
12456 * varray.c: Remove GENERATOR_FILE #ifdefs.
12458 2006-01-22 Zack Weinberg <zackw@panix.com>
12460 * genautomata.c (output_reserved_units_table): Emit nothing if
12461 description->query_units_num is zero. Remove extra blank line.
12462 (output_cpu_unit_reservation_p): Short circuit
12463 if description->query_units_num is zero.
12465 2006-01-22 Zack Weinberg <zackw@panix.com>
12467 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12468 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12469 nor any of the random handful of variables that used to be necessary
12470 when this program was linked with rtlanal.o. Prune set of forward
12471 function declarations.
12472 (struct attr_desc): Remove static_p field.
12473 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12474 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12475 (attr_string): Do not read the character one past the length of
12477 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12478 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12479 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12480 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12481 (make_automaton_attrs): New.
12482 (main): Do not call into genautomata. Call local gen_bypass
12483 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12484 Remove special case for insn_alts.
12485 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12486 varray.h (leftover from previous change). Prune set of forward
12487 function declarations. Remove state_alts fields from all
12488 structures. Remove state_alts_table from struct automaton.
12489 Make everything except main static. Do not maintain num_dfa_decls.
12490 Do not maintain state_alts fields of various structures.
12491 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12492 (add_arc): Remove state_alts argument. All callers updated.
12493 (output_reserved_units_table): Emit #ifdef here...
12494 (output_tables): ...not here. Don't generate state_alts tables.
12495 (expand_automata): Don't generate attributes.
12496 (write_automata): Don't generate state_alts functions.
12497 (main): New function.
12498 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12499 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12500 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12501 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12502 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12503 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12504 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12505 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12507 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12508 * genattrtab.h: Delete file.
12509 * Makefile.in (OBJS-common): Add insn-automata.o.
12510 (insn-automata.o): New rule.
12511 (simple_generated_c): Add insn-automata.c.
12512 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12513 (genprogmd): Add automata.
12514 (build/genattrtab): Needs no extra objects nor libraries.
12515 (build/genautomata): Needs build/vec.o and -lm.
12517 2006-01-22 Zack Weinberg <zackw@panix.com>
12519 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12520 (output_dfa_max_issue_rate, locked_states_num): Delete.
12521 (struct automaton): Add locked_states field.
12522 (output_dead_lock_vect): Save number of locked states in
12523 automaton->locked_states. If it is zero, don't print anything.
12524 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12525 (output_internal_dead_lock_func): Only test the dead_lock_vect
12526 for automata that have locked states.
12527 (output_statistics): Always print the number of locked states for
12528 each automaton. Calculate total number of locked states here.
12529 (write_automata): Don't call output_dfa_max_issue_rate.
12530 * genattrtab.c: Define length_unit_log as a const variable.
12531 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12532 max_insn_queue_index const.
12533 * final.c (length_unit_log): Declare const.
12534 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12536 2006-01-22 Zack Weinberg <zackw@panix.com>
12538 * genautomata.c: Include vec.h, not varray.h.
12539 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12540 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12541 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12542 VEC_* macros operating on appropriately typed vectors, or to
12543 malloced arrays when the size is known in advance. Const-ify
12544 many char* variables and function arguments. No functional changes.
12545 * Makefile.in (build/varray.o): Delete rule.
12546 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12547 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12549 2006-01-22 Zack Weinberg <zackw@panix.com>
12551 * gensupport.c: Define get_insn_name and record_insn_name here.
12552 (read_md_rtx): Call record_insn_name as appropriate.
12553 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12554 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12555 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12557 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12558 (BUILD_VARRAY): Delete.
12559 (genprognormal): Rename genprogmd. Fold in all programs from
12560 genprognoprint; also attrtab.
12561 (build/genattrtab): Just mention genautomata.o and varray.o.
12562 Reorganize a bit, add comments to make the categories clearer.
12564 2006-01-22 Zack Weinberg <zackw@panix.com>
12566 * genconditions.c (condition_table, add_condition): Delete.
12567 (write_conditions): Don't emit n_insn_conditions nor
12568 insn_elision_unavailable. Issue the gcc version #ifdef here,
12569 inside the table, with no #else clause ...
12570 (write_header): ...not here.
12571 (write_writer): New function.
12572 (main): Don't initialize condition_table. Use add_c_test.
12574 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12575 files on the command line.
12576 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12577 Return -1 if there is no entry in the table, don't abort.
12578 (add_c_test, traverse_c_tests): New functions.
12579 * gensupport.h (insn_elision_unavailable, insn_conditions)
12580 (n_insn_conditions): Delete declarations.
12581 (add_c_test, traverse_c_tests): Declare.
12582 * read-rtl.c: Include gensupport.h.
12583 (read_conditions): New function.
12584 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12585 (read_rtx_1): If we get EOF when we were looking for an initial
12586 open paren, return 0. Call read_conditions when appropriate.
12587 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12588 dummy-conditions.o. Eliminate references to insn-conditions.o,
12589 or change them to build/gencondmd.o, as appropriate. Remove
12590 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12591 from $(simple_generated_c). For all files remaining in those
12592 two lists, add insn-conditions.md to the generator command line.
12593 Give insn-constants.h/s-constants their own rules. Add rules
12594 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12595 (build/read-rtl.o): Depend on gensupport.h.
12596 (genprognormal): Include preds.
12597 (genprogearly): Rename genprognoprint; only difference is now that
12598 they don't link with $(BUILD_PRINT).
12599 * dummy-conditions.c: Delete.
12601 2006-01-22 Zack Weinberg <zackw@panix.com>
12603 * genextract.c: Don't include insn-config.h. Do include vec.h.
12604 Declare vectors of int, char, and locstr.
12605 (locstr): New typedef.
12606 (struct extraction): Make all array fields into bare pointers.
12607 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12608 (insn_code_number): Delete.
12609 (accum_extract): New struct.
12610 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12611 (gen_insn): Take insn_code_number as an argument. Use an
12612 accum_extract structure instead of loading data directly into
12613 a struct extraction, and having to know how big it might get.
12614 (walk_rtx): Operate entirely on an accum_extract structure.
12615 (print_path): Avoid unnecessary use of printf.
12616 (print_header): New function, split out of main. Distinguish
12617 more carefully between an unrecognizable insn and an insn that
12618 has the code number of a define_expand.
12619 (main): Pass insn_code_number to gen_insn. Call print_header
12620 only after parsing. Avoid unnecessary use of printf.
12621 * Makefile.in (build/vec.o): New rule.
12622 (build/genextract): Depend on build/vec.o.
12623 (build/genextract.o): Don't depend on insn-config.h.
12625 2006-01-22 Zack Weinberg <zackw@panix.com>
12627 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12628 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12629 practical. Eliminate per-generator-program link rules.
12631 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12633 PR middle-end/24437
12634 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12635 with a call expr to ...
12636 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12638 2006-01-23 Richard Guenther <rguenther@suse.de>
12640 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12641 before make_edge with conditional EDGE_TRUE_VALUE.
12643 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12644 Jan Hubicka <jh@suse.cz>
12645 Richard Guenther <rguenther@suse.de>
12647 PR rtl-optimization/25654
12648 * cfgexpand.c (aggregate_contains_union_type): New function.
12649 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12650 for structure variables that contain a union type.
12652 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12654 * gengtype.c (new_structure): Return the structure.
12655 (create_option): Add an extra "next" argument.
12656 (create_field): New function.
12657 (adjust_field_rtx_def): Use create_option and create_field.
12658 Remove a now-unnecessary call to find_structure.
12659 (adjust_field_tree_def): Likewise.
12660 (note_yacc_type): Remove an unnecessary call to find_structure.
12661 * gengtype.h (new_structure): Return the structure.
12662 (create_option): Add an extra argument.
12663 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12664 (option): Adjust calls to create_option.
12666 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12668 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12670 2006-01-22 Paul Brook <paul@codesourcery.com>
12671 Peter Barada <peter@the-baradas.com>
12673 * config/m68k/m68k.md: Add Coldfire FPU support.
12674 Define FP mode macro and associated attributes.
12675 Use it for float mode patterns.
12676 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12677 (LIBCALL_VALUE): Use m68k_libcall_value.
12678 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12679 (m68k_function_value): Ditto.
12680 (emit_move_sequence): Ditto.
12681 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12682 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12683 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12684 (MULTILIB_EXCEPTIONS): Ditto.
12685 * config/m68k/m68k.opt: Add mcfv4e.
12686 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12687 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12688 (m68k_output_function_prologue): Save ColdFire FPU registers.
12689 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12690 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12691 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12692 ColdFire FPU registers.
12693 (m68k_libcall_value, m68k_function_value): New functions.
12694 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12695 (LIBCALL_VALUE): Use m68k_libcall_value.
12696 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12697 (MASK_COLDFIRE): Add MASK_CFV4E.
12698 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12699 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12700 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12701 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12702 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12703 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12704 * doc/invoke.tex: Document -mcfv4e on m68k.
12706 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12708 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12711 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12714 * c-opts.c (c_common_handle_option): Don't include
12715 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12716 * doc/invoke.texi (C++ Dialect Options): Document that
12717 -Wnon-virtual-dtor is no longer included in -Wall.
12719 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12721 * gcov.c (print_version), gcov-dump.c (print_version),
12722 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12725 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12727 * df-scan.c (problem_SCAN): Added NULL reset function.
12728 (df_scan_reset_blocks): Added code to call reset block function
12729 (df_bb_refs_delete) Fixed comment.
12730 (df_insn_refs_delete): Made tolerant of deleting non existent info
12731 for dataflow problems that need to be reset.
12732 * df-core.c (df_set_blocks): Ditto.
12733 * df.h (struct df_problem): Added reset_fun.
12734 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12735 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12736 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12737 functions to clear out all references to def-use or use-def chains.
12739 2006-01-21 Ben Elliston <bje@au.ibm.com>
12741 * varasm.c (assemble_real): Initialise data array.
12743 2006-01-20 Paul Brook <paul@codesourcery.com>
12745 Merge from csl-arm-branch.
12746 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12747 * config/arm/arm.md (movdi): Force operands[1] to a register
12748 if we have a non-register source.
12749 (*arm_movdi, *movdf_soft_insn): Require that one of the
12750 operands be a register.
12751 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12752 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12754 2006-01-20 DJ Delorie <dj@redhat.com>
12756 * varasm.c (initializer_constant_valid_p): Allow pointers
12757 initialized from integer constants of lesser precision.
12758 (output_constant): Allow non-int-sized pointer modes to be
12759 initialized from integer constants.
12761 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12764 * cppdefault.h (struct default_include): Add multilib flag.
12765 * cppdefault.c (cpp_include_defaults): Set it.
12766 * c.opt (-imultilib): New option.
12767 * c-opts.c (imultilib): New.
12768 (c_common_handle_option): Handle -imultilib.
12769 (c_common_post_options): Likewise.
12770 * c-incpath.c (add_standard_paths, register_include_chains):
12772 * c-incpath.h (register_include_chains): Add extra parameter.
12773 * gcc.c (do_spec_1): Generate -imultilib option.
12774 (The Specs Language): Update %I description.
12775 (process_command): Update copyright notice.
12776 * doc/cppopts.texi (-imultilib): Document.
12777 * doc/invoke.texi (-imultilib): Include in option summary.
12778 (%I): Update specs documentation.
12780 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12782 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12784 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12786 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12789 2006-01-20 Richard Guenther <rguenther@suse.de>
12790 Steven Bosscher <stevenb.gcc@gmail.com>
12792 PR rtl-optimization/24626
12793 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12794 EDGE_TRUE_VALUE if in RTL mode.
12797 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12798 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12800 2006-01-20 Dirk Mueller <dmueller@suse.com>
12803 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12804 instead of a special NOP marker.
12805 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12806 NOP marker handling.
12807 * c-common.h (empty_body_warning): Add forward declaration.
12808 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12809 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12811 2006-01-20 Paul Brook <paul@codesourcery.com>
12813 * Makefile.in (lang_checks): Keep going if mkdir fails.
12815 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12817 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12818 be able to clean out basic block when not necessary.
12819 (df_scan_free): Fixed to properly delete information if df is
12820 unused before calling df_finish.
12821 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12822 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12824 (df_bb_refs_delete): New function.
12825 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12826 * df-core.c (df_set_blocks): Added code to properly clean out
12827 unused blocks if they are not part of the blocks to consider.
12828 Added additional null check.
12829 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12830 be able to clean out basic block when not necessary
12831 * df.h (df_free_bb_function): Ditto.
12832 (df_bb_refs_delete): New function.
12833 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12834 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12835 basic block parameter to be able to clean out basic block when not
12837 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12838 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12839 Fixed to properly delete information if df is unused before
12842 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12844 PR rtl-optimization/25799
12845 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12846 Corrected confluence operator to remove bits from op2 before oring
12847 with op1 rather than removing bits from op1.
12848 (df_ru_transfer_function): Corrected test on wrong bitmap which
12849 caused infinite loop. Both of these problems were introduced in
12850 the dataflow rewrite.
12852 2006-01-19 DJ Delorie <dj@redhat.com>
12854 * reload1.c (find_reload_regs): Note the details of reload
12855 failures in the dump file.
12856 (spill_failure): Likewise.
12858 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12860 * loop-iv.c: Include df.h and hashtab.h.
12861 (enum iv_grd_result): New enum.
12862 (DF_REF_IV, DF_REF_IV_SET): New macros.
12863 (struct biv_entry): New.
12864 (df, bivs): New global variables.
12865 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12866 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12868 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12869 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12870 analyzed_for_bivness_p, record_biv): New functions.
12871 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12872 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12873 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12875 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12877 (iv_number_of_iterations): Use new interface to iv analysis.
12878 * loop-unroll.c: Do not include varray.h.
12879 (analyze_iv_to_split_insn): Use new interface to iv
12881 * loop-unswitch.c (may_unswitch_on): Ditto.
12882 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12884 (df_bb_modify): Realloc tables to the new index.
12885 (df_find_use): New function.
12886 * df.h (df_find_use): Declare.
12887 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12889 * cfgloop.h (struct rtx_iv): Remove analysed field.
12890 (iv_get_reaching_def): Removed.
12891 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12892 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12893 (loop-iv.o): Add df.h and hashtab.h dependency.
12894 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12896 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12899 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12901 (__floatundisf, __floatundidf): Likewise.
12902 * libgcc2.h (IS_IBM_EXTENDED): Define.
12904 2006-01-19 DJ Delorie <dj@redhat.com>
12906 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12908 2006-01-19 Paul Brook <paul@codesourcery.com>
12910 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12911 as nothrow when unwinding tables are disabled.
12913 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12916 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12917 of bit-field" when in system header.
12919 2006-01-19 DJ Delorie <dj@redhat.com>
12921 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12922 the 16 bit shift limit of the m16c.
12924 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12927 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12928 * config/i386/i386.c (output_set_got): Output the label if we have one
12929 for the TARGET_DEEP_BRANCH_PREDICTION case.
12931 2006-01-19 Jan Hubicka <jh@suse.cz>
12932 H.J. Lu <hongjiu.lu@intel.com>
12933 Evandro Menezes <evandro.menezes@amd.com>
12935 * invoke.texi (generic): Document
12937 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12938 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12939 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12940 (x86_use_incdec, x86_pad_returns): New variables
12941 (TARGET_CPU_DEFAULT_generic): New constant
12942 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12943 (enum processor_type): Add generic32 and generic64.
12944 * i386.md (cpu attribute): Add generic32/generic64
12945 (movhi splitter): Behave sanely when both partial_reg_dependency and
12946 partial_reg_stall are set.
12947 (K8 splitters): Enable for generic as well.
12948 * predicates.md (incdec_operand): Use TARGET_INCDEC
12949 (aligned_operand): Avoid memory mismatch stalls.
12950 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12951 * ppro.md: Enable for generic32
12952 * i386.c (generic64_cost, generic32_cost): New.
12953 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12954 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12955 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12956 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12957 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12958 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12959 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12960 x86_accumulate_outgoing_args, x86_prologue_using_move,
12961 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12962 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12963 Enable for generic.
12964 (x86_use_incdec, x86_pad_returns): New.
12965 (override_options): Add generic32 and generic64, translate "generic"
12966 to generic32/generic64 and "i686" to "generic32", refuse
12967 "generic32"/"generic64" as arch target.
12968 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12969 (ix86_reorg): Honor PAD_RETURNS.
12971 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12973 * tree-pretty-print.c (dump_generic_node): Handle
12974 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12975 * cgraph.c (cgraph_expand_queue): Rename from
12976 cgraph_analyze_queue. Update all users.
12977 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12978 cgraph_expand_queue.
12979 (cgraph_expand_all_functions): Likewise.
12980 (cgraph_finalize_pending_functions): Remove. Update callers.
12982 * tree.h (OMP_DIRECTIVE_P): Define.
12983 (OMP_PARALLEL_FN): Define.
12984 (OMP_PARALLEL_DATA_ARG): Define.
12985 (OMP_SECTIONS_SECTIONS): Define.
12986 * tree-pass.h (pass_expand_omp): Declare.
12987 * omp-low.c (struct omp_region): Declare.
12988 (struct omp_context): Remove fields 'parallel_type',
12989 'parallel_start_ix' and 'parallel_start_additional_args'.
12991 (struct omp_for_data): Rename from struct expand_omp_for_data.
12992 (omp_regions): New static variable.
12993 (root_omp_region): New static variable.
12994 (find_omp_clause): Make static.
12995 (is_in_combined_parallel_ctx): Remove.
12996 (is_combined_parallel): New.
12997 (extract_omp_for_data): Move earlier in the file.
12998 (workshare_safe_to_combine_p): New.
12999 (get_ws_args_for): New.
13000 (determine_parallel_type): Move earlier in the file.
13001 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13003 (omp_copy_decl): Likewise.
13004 (create_omp_child_function): Likewise.
13005 (lookup_omp_region): New.
13006 (dump_omp_region): New.
13007 (debug_omp_region): New.
13008 (debug_all_omp_regions): New.
13009 (new_omp_region): New.
13010 (scan_omp_parallel): If parallel_nesting_level > 1, the
13011 directive is nested within another parallel directive.
13012 Set OMP_PARALLEL_FN.
13013 (scan_omp_for): Do not try to handle combined parallel+for
13015 Remove FIXME comment.
13016 (scan_omp_nested): Remove.
13017 (scan_omp_1): Do not call scan_omp_nested when
13018 parallel_nesting_level is > 1.
13019 Do not change the DECL_CONTEXT of local variables found.
13020 (lookup_decl_in_outer_ctx): New.
13021 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13022 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13023 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13024 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13025 If CTX is nested, lookup VAR in the outer context when
13026 building copy assignment.
13027 (lower_send_clauses): Rename from expand_send_clauses.
13028 If CTX is nested, lookup VAR in the outer context when
13029 building copy assignments.
13030 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13031 If CTX is nested, lookup VAR in the outer context when
13032 building copy assignments.
13033 (expand_parallel_call): Rename from build_parallel_call.
13034 Handle combined parallel+workshare cases.
13035 Re-implement to emit code into the CFG.
13037 (expand_omp_parallel): Re-implement to emit code into the CFG.
13038 Call move_sese_region_to_fn to outline the sub-graph
13039 containing the parallel region.
13040 (expand_omp_for_1): Remove.
13041 (expand_omp_for_generic): Re-implement to emit code into the
13043 (expand_omp_for_static_nochunk): Likewise.
13044 (expand_omp_for_static_chunk): Likewise.
13045 (expand_omp_for): Likewise.
13046 (expand_omp_sections): Likewise.
13047 (remove_exit_barriers): New.
13048 (expand_omp_synch): New.
13050 (build_omp_regions_1): New.
13051 (build_omp_regions): New.
13052 (execute_expand_omp): New.
13053 (gate_expand_omp): New.
13054 (pass_expand_omp): Define.
13055 (lower_omp_sections): Rename from expand_omp_sections.
13056 Set OMP_SECTIONS_SECTIONS.
13057 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13058 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13059 (lower_omp_single): Rename from expand_omp_simple.
13060 (lower_omp_master): Rename from expand_omp_master.
13061 (lower_omp_ordered): Rename from expand_omp_ordered.
13062 (lower_omp_critical): Rename from expand_omp_critical.
13063 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13064 (lower_omp_for): Re-implement.
13065 (lower_omp_parallel): Re-implement.
13066 (lower_regimplify): Rename from expand_regimplify.
13067 (lower_omp_1): Rename from expand_omp_1.
13068 If there are syntax errors in the program, replace every
13069 OpenMP directive with NOP.
13070 Call lower_omp_* instead of expand_omp_*.
13071 (lower_omp): Rename from expand_omp.
13073 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13074 * tree-gimple.h (enum omp_parallel_type): Remove.
13075 (gimple_boolify): Declare extern.
13076 (find_omp_clause, determine_parallel_type): Remove.
13078 * gimple-low.c (lower_omp_directive): New.
13079 (lower_stmt): Call it.
13080 (record_vars_into): Move from ...
13081 (record_vars): ... here.
13082 Call record_vars_into with current_function_decl.
13084 * gimplify.c (struct gimplify_ctx): Remove fields
13085 combined_pre_p and combined_ctxp. Update users.
13086 (get_formal_tmp_var): Add documentation.
13087 (gimple_boolify): Make extern.
13088 (gimplify_expr_in_ctx): Remove. Update callers.
13089 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13090 will always be a BIND_EXPR.
13091 (gimplify_expr): Handle OMP_RETURN_EXPR.
13092 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13093 (OMP_PARALLEL): Add 3 operands.
13094 (OMP_SECTIONS): Add 1 operand.
13095 (OMP_RETURN_EXPR): Define.
13097 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13098 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13099 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13100 creating a circular free list.
13101 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13103 * tree-flow.h (move_sese_region_to_fn): Declare.
13104 (record_vars_into): Declare.
13105 * tree-cfg.c (make_omp_sections_edges): New.
13106 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13107 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13108 OMP_SECTIONS and OMP_SECTION.
13109 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13110 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13111 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13112 (gather_blocks_in_sese_region): New.
13113 (struct move_stmt_d): Declare.
13114 (move_stmt_r): New.
13115 (move_block_to_fn): New.
13116 (move_sese_region_to_fn): New.
13118 * passes.c (init_optimization_passes): Schedule
13119 pass_expand_omp after pass_init_datastructures.
13121 * tree-ssa-operands.c (get_expr_operands): Handle
13122 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13123 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13125 2006-01-19 Jeff Law <law@redhat.com>
13127 * tree-vrp.c (extract_range_from_assert): Refine the result range
13128 if the variable referenced by the ASSERT_EXPR has a range and
13129 either the tentative result range or the previous range is a
13132 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13134 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13136 2006-01-19 Jan Hubicka <jh@suse.cz>
13138 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13140 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13142 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13143 (expand_compound_operation, expand_field_assignment): Fail if the
13144 bit lengths of an extract operation are out of range.
13145 (make_extraction): Compute wanted_inner_mode based on the position
13146 and length of the extraction. Make it extraction_mode for non-constant
13147 positions, and do not modify offset in that case. When generating a
13148 new MEM, use a mode that can hold the extraction while keeping correct
13149 alignment. Remove code that supported MEMs wrapped by USEs.
13150 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13152 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13154 * config/s390/s390.md ("Y", "y"): New mode attribute.
13155 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13156 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13157 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13158 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13159 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13160 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13161 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13162 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13163 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13164 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13165 "addsi3", "subsi3"): Insn patterns removed.
13166 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13167 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13168 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13169 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13170 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13171 "*sub<mode>3_cconly2"): New insn patterns.
13172 ("addsi3", "subsi3"): New expanders.
13174 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13176 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13177 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13178 existing STMT_VINFO_VECTYPE if available.
13179 (vect_mark_relevant): Add special handling for stmts that are
13180 marked as STMT_VINFO_IN_PATTERN_P.
13181 (vect_analyze_loop): Call vect_pattern_recog.
13182 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13183 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13185 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13186 (vect_recog_func_ptr): New function-pointer type.
13187 * tree-vect-patterns.c: New file.
13188 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13189 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13190 (vect_pattern_recog_1): New functions.
13191 (vect_pattern_recog_funcs): New array of function pointers.
13193 * tree-vectorizer.h (ternary_op): New enum value.
13194 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13195 declaration. Revised documentation. Removed redundant dump prints.
13196 Removed redundant argument. Added support for reduction patterns.
13197 (vectorizable_reduction): Added support for reduction patterns.
13198 (vect_transform_stmt): Added support for patterns.
13200 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13201 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13202 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13203 (expand_widen_pattern_expr): New function.
13204 (init_optabs): Initialize new optabs udot_prod_optab,
13206 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13207 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13208 (expand_widen_pattern_expr): New function declaration.
13209 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13211 * tree-inline.c (estimate_num_insns_1): Added cases for new
13212 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13213 * tree-pretty-print.c (dump_generic_node): Likewise.
13214 (op_prio): Likewise.
13215 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13216 * tree-ssa-operands.c (get_expr_operands): Added case for
13218 * tree-vect-patterns.c (widened_name_p): New function.
13219 (vect_recog_dot_prod_pattern): Added function implementation.
13220 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13221 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13222 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13223 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13225 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13226 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13227 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13228 (init_optabs): Initialize new optabs widen_ssum_optab,
13230 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13231 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13232 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13233 use instead of type of def.
13234 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13235 function implementation.
13236 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13237 widen_ssumv8hi): New.
13239 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13242 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13245 * c-decl.c (add_flexible_array_elts_to_size): New function.
13246 (finish_decl): Use it.
13248 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13250 * diagnostic.h: Include options.h.
13251 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13252 dependancies for diagnostic.h.
13253 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13255 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13257 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13258 (ssa_ro_call_cache_valid): Ditto.
13259 * tree-ssa-alias.c (sort_tags_by_id): New function.
13260 (init_transitive_clobber_worklist): Ditto.
13261 (add_to_worklist): Ditto.
13262 (mark_aliases_call_clobbered): Ditto.
13263 (compute_tag_properties): Ditto.
13264 (set_initial_properties): Ditto.
13265 (compute_call_clobbered): Ditto.
13266 (compute_may_aliases): Call compute_call_clobbered and grouping.
13267 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13268 (compute_flow_insensitive_aliasing): Grouping now happens in our
13270 (setup_pointers_and_addressables): Remove clobbering related code.
13271 (add_may_alias): Ditto.
13272 (replace_may_alias): Ditto.
13273 (get_nmt_for): Ditto.
13274 (create_global_var):
13275 (is_escape_site): Return an escape_type enumeration.
13276 * tree-flow-inline.h (is_call_clobbered): Global var does not
13277 imply call clobbered.
13278 (mark_call_clobbered): Take a reason for marking this. Remove
13279 marking of globalness, and cache invalidation.
13280 (clear_call_clobbered): Remove cache invalidation code.
13281 * tree-dfa.c (dump_variable): If details is on, dump the reason
13283 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13285 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13286 (struct var_ann_d): Ditto.
13287 (enum escape_type): New.
13288 (mark_call_clobbered): Adjust prototype.
13289 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13290 are never call clobbered.
13291 Record reasons for escaping.
13292 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13293 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13294 (ssa_ro_call_cache_valid): Ditto.
13295 (clobbered_v_may_defs): Ditto.
13296 (clobbered_vuses): Ditto.
13297 (ro_call_vuses): Ditto.
13298 (clobber_stats): New.
13299 (init_ssa_operands): Zero out clobber stats.
13300 (fini_ssa_operands): Print out clobber stats.
13301 (get_call_expr_operands): Pass callee fndecl to
13302 add_call_read_ops).
13303 (add_call_clobber_ops): Remove use of cache.
13304 Add use of PURE_CONST information.
13305 (add_call_read_ops): Remove use of cache.
13306 Add use of static not_read information.
13308 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13310 Introduce TLS descriptors for i386 and x86_64.
13311 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13312 (TARGET_ANY_GNU_TLS): New macro.
13313 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13314 (struct machine_function): Add tls_descriptor_call_expanded_p.
13315 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13316 (ix86_current_function_calls_tls_descriptor): Likewise.
13317 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13318 (override_options): Introduce gnu2 tls dialect.
13319 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13321 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13323 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13324 (ix86_init_machine_status): Initialize new field.
13325 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13326 (ix86_tls_module_base): New.
13327 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13328 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13329 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13330 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13331 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13332 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13333 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13334 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13335 * config/i386/predicates.md (tls_modbase_operand): New.
13336 (tp_or_register_operand): New.
13338 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13340 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13341 (look_for_address_of): Ditto.
13342 (ipa_init): Walk the function decls.
13343 (static_execute): Don't set readonly on FUNCTION_DECL's.
13345 2006-01-18 Roger Sayle <roger@eyesopen.com>
13347 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13348 for shifts where the source and destination registers are different.
13350 2006-01-18 Paul Brook <paul@codesourcery.com>
13352 Merge from csl-arm-branch.
13353 2005-03-14 Julian Brown <julian@codesourcery.com>
13354 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13355 (aeabi_llsl): Likewise.
13356 (ashrdi3): Likewise.
13357 (aeabi_lasr): Likewise.
13358 (lshrdi3): Likewise.
13359 (aeabi_llsr): Likewise.
13360 2005-03-10 Julian Brown <julian@codesourcery.com>
13361 * config.gcc: Disable shared libgcc for SymbianOS.
13362 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13364 2006-01-18 DJ Delorie <dj@redhat.com>
13366 * c-pragma.c (handle_pragma_diagnostic): New.
13367 (init_pragma): Register it.
13368 * doc/extend.texi: Document it.
13370 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13371 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13372 (diagnostic_context): Add classify_diagnostic[].
13373 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13374 as errors if they're overridden to DK_WARNING.
13375 (diagnostic_initialize): Initialize classify_diagnostic[].
13376 (diagnostic_set_kind_override): New.
13377 (diagnostic_report_diagnostic): Check for kind changes.
13378 * opts.c (common_handle_option): Take lang_mask. Update callers.
13379 Handle OPT_Werror_.
13380 * common.opt (Werror=): New.
13381 * doc/invoke.texi: Document -Werror=*
13383 2006-01-18 Jeff Law <law@redhat.com>
13385 * tree-vrp.c (test_for_singularity): Correct test for new
13386 min limit. Use operand_equal_p rather than pointer equality
13387 for testing if new min/max values are equal.
13389 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13390 using range information until after propagation and folding.
13392 2006-01-18 Richard Henderson <rth@redhat.com>
13393 Aldy Hernandez <aldyh@redhat.com>
13394 Jakub Jelinek <jakub@redhat.com>
13395 Diego Novillo <dnovillo@redhat.com>
13397 * omp-low.c: New file.
13398 * c-omp.c: New file.
13400 2006-01-18 Richard Henderson <rth@redhat.com>
13401 Jakub Jelinek <jakub@redhat.com>
13402 Diego Novillo <dnovillo@redhat.com>
13404 * doc/invoke.texi: Document -fopenmp.
13405 * tree-dump.h (debug_function): Declare.
13406 * hooks.c (hook_bool_tree_bool_false): New function.
13407 (hook_tree_tree_null): Remove.
13408 (hook_tree_tree_tree_null): New.
13409 * hooks.h: Update to match.
13410 * tree-pretty-print.c (debug_tree_chain): New.
13411 (print_generic_expr): Handle TDF_CHAIN.
13412 (dump_generic_node): Handle BLOCK.
13413 Do not abort with incomplete SWITCH_EXPRs.
13414 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13415 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13416 print space after directive name.
13417 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13418 Handle OMP_MASTER and OMP_ORDERED.
13419 Handle printing of OMP_BODY just in one place, goto
13420 dump_omp_body in the rest of OMP_* nodes that have
13422 Don't handle clause nodes here. Update omp statements to
13423 use dump_omp_clauses.
13424 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13425 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13426 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13427 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13428 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13429 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13430 Adjust output for GOMP_PARALLEL.
13431 (dump_omp_clauses): New.
13432 (print_declaration): Dump DECL_VALUE_EXPR.
13433 (op_symbol_1): Split out of op_symbol.
13434 (dumping_stmts): Remove. Update all users.
13435 * cgraph.c (cgraph_analyze_queue): New.
13436 (cgraph_add_new_function): New.
13437 * cgraph.h (cgraph_analyze_queue): Declare.
13438 (cgraph_add_new_function): Declare.
13439 (cgraph_lower_function): Remove.
13440 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13441 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13442 and TYPE_P nodes in its default clause.
13443 (empty_body_p): New.
13444 (tree_range_check_failed): New.
13445 (build5_stat): New.
13446 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13447 OMP_CLAUSE_REDUCTION_MERGE,
13448 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13449 OMP_CLAUSE_PRIVATE_DEBUG,
13450 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13451 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13452 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13453 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13454 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13455 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13456 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13457 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13458 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13459 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13460 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13461 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13462 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13463 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13464 (TREE_RANGE_CHECK): New.
13465 (empty_body_p): Declare.
13466 (enum omp_clause_default_kind): New.
13467 (build_string_literal): Declare.
13468 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13469 (build5_stat, build5): Declare.
13470 * tree-pass.h (TDF_CHAIN): Define.
13471 * tree-pass.h (PROP_gimple_lomp): Define.
13472 (pass_lower_omp): Declare.
13473 * diagnostic.h (debug_tree_chain): Declare.
13474 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13476 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13477 * builtins.c (build_string_literal): Make extern.
13478 * gcc.c (include_spec_function): New.
13479 (static_spec_functions): Add it.
13480 (main): Move load of libgomp.spec ...
13481 (LINK_COMMAND_SPEC): ... here.
13482 (link_gomp_spec): New.
13483 (static_specs): Include it.
13484 (LINK_COMMAND_SPEC): Add link_gomp.
13485 (GOMP_SELF_SPECS): New.
13486 (driver_self_specs): Include it.
13487 (switch_matches): Don't mark inline.
13488 (main): Load libgomp.spec.
13489 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13490 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13491 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13492 * tree-gimple.h (enum omp_parallel): Declare.
13493 (determine_parallel_type): Declare.
13494 (omp_firstprivatize_variable): Declare.
13495 (omp_reduction_init): Declare.
13496 (diagnose_omp_structured_block_errors): Declare.
13497 (struct walk_stmt_info): Add want_return_expr.
13498 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13499 (find_omp_clause): Declare.
13500 (insert_field_into_struct): Declare.
13501 (struct walk_stmt_info): Move from tree-nested.c
13502 (walk_stmts): Declare.
13503 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13505 * cgraphunit.c (cgraph_lower_function): Make static.
13506 (cgraph_finalize_pending_functions): New.
13507 (cgraph_finalize_function): Call it.
13508 (cgraph_finalize_compilation_unit): Likewise.
13509 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13510 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13511 (BT_FN_UINT_UINT): New.
13512 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13513 DEF_FUNCTION_TYPE_VAR_4): Document.
13514 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13515 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13516 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13517 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13518 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13519 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13520 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13521 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13522 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13523 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13524 into separate files.
13525 (DEF_GOMP_BUILTIN): New.
13526 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13527 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13528 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13529 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13530 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13531 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13532 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13533 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13534 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13535 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13536 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13537 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13538 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13539 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13540 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13541 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13542 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13543 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13544 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13545 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13546 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13547 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13548 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13549 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13550 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13551 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13552 * sync-builtins.def: New file, moved from builtins.def.
13553 * omp-builtins.def: New file, moved from builtins.def.
13554 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13555 * gimple-low.c (lower_function_body): Clear data.
13556 (lower_stmt): Do not handle COMPOUND_EXPR.
13557 Remove call to print_node_brief.
13558 * c-tree.h (c_finish_omp_clauses): New prototype.
13559 (C_DECL_THREADPRIVATE_P): Define.
13560 (lookup_name_no_remap, c_omp_remap_private): Remove
13561 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13562 (check_for_loop_decls): Update decl.
13563 (lookup_name_no_remap, c_omp_remap_private): Declare.
13564 (build_indirect_ref, build_modify_expr, pushdecl,
13565 pushdecl_top_level): Move to c-common.h.
13566 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13567 before the switch, but just in the 2 places that need it.
13568 * c-decl.c (diagnose_mismatched_decls): Do not check for
13569 mismatched thread-local attributes when OLDDECL is marked
13570 threadprivate and NEWDECL has no thread-local attributes.
13571 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13572 (c_gimple_diagnostics_recursively): Rename from
13573 c_warn_unused_result_recursively. Invoke
13574 diagnose_omp_structured_block_errors.
13575 (check_for_loop_decls): Return a singular decl found.
13576 * langhooks.c (lhd_omp_predetermined_sharing): Return
13577 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13578 (lhd_omp_firstprivatize_type_sizes): New.
13579 (lhd_omp_assignment): New.
13580 (lhd_omp_predetermined_sharing): New.
13581 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13582 (struct lang_hooks_for_types): Add
13583 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13584 omp_predetermined_sharing, omp_disregard_value_expr,
13585 omp_private_debug_clause, omp_clause_default_ctor,
13586 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13587 (c_finish_omp_clauses): New.
13588 (c_finish_bc_stmt): Diagnose break within omp for.
13589 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13590 (build_unary_op): Return error_mark after reporting
13592 (build_modify_expr): Likewise.
13593 * gimplify.c: Include optabs.h and pointer-set.h.
13594 (enum gimplify_omp_var_data): Declare.
13595 (struct gimplify_omp_ctx): Declare.
13596 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13598 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13599 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13600 (splay_tree_compare_decl_uid): New.
13601 (new_omp_context): New.
13602 (delete_omp_context): New.
13603 (gimple_add_tmp_var): Call omp_add_variable.
13604 (gimplify_bind_expr): Likewise.
13605 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13606 true, disregard DECL_VALUE_EXPR on the decl if any.
13607 (gimplify_expr_in_ctx): New.
13608 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13609 omp_add_variable, omp_notice_variable, omp_is_private
13610 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13611 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13612 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13613 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13614 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13615 gimplify_omp_atomic): New.
13616 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13617 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13618 OMP_CRITICAL and OMP_ATOMIC.
13619 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13620 * c-pragma.h (enum pragma_kind): Add
13621 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13622 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13623 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13624 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13625 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13626 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13627 PRAGMA_OMP_THREADPRIVATE.
13628 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13629 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13630 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13631 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13632 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13633 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13634 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13635 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13636 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13637 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13638 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13639 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13640 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13642 (struct nesting_info): Add field_map,
13643 suppress_expansion, debug_var_chain.
13644 (create_nesting_tree): Initialize them.
13645 (lookup_field_for_decl): Use field_map.
13646 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13647 (convert_local_omp_clauses): New.
13648 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13649 (walk_body): Split out of walk_function.
13650 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13651 (convert_nonlocal_reference): Handle omp statements.
13652 (convert_local_reference): Likewise.
13653 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13654 (unnest_nesting_tree): New.
13655 (lower_nested_functions): Call it.
13656 (insert_field_into_struct): Make extern.
13657 (struct walk_stmt_info): Move to tree-gimple.h.
13658 (walk_stmts): Make extern.
13659 * omp-builtins.def: New file.
13660 * tree-iterator.c (expr_only): Clarify comment.
13661 * c-common.h (pushdecl_top_level, pushdecl,
13662 build_modify_expr, build_indirect_ref,
13663 c_finish_omp_master, c_finish_omp_critical,
13664 c_finish_omp_ordered, c_finish_omp_barrier,
13665 c_finish_omp_atomic, c_finish_omp_flush,
13666 c_finish_omp_for, c_split_parallel_clauses,
13667 omp_clause_default_kind, c_omp_sharing_predetermined,
13668 c_omp_remap_decl): Declare.
13669 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13670 (OBJS-common): Add omp-low.o.
13671 (c-omp.o, omp-low.o): Add.
13672 (gimplify.o): Add dependency on $(OPTABS_H).
13673 (GTFILES): Add omp-low.c.
13674 (gt-stringpool.h): Add.
13675 * tree-cfg.c (set_bb_for_stmt): Do not update the
13676 block-to-labels map if we are currently expanding to RTL.
13677 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13679 Handle IDENTIFIER_NODE.
13680 (tree_verify_flow_info): Do not ICE when emitting error
13681 messages about invalid labels.
13682 (dump_function_to_file): Reset CFUN before emitting the body
13684 (debug_function): New.
13685 * passes.c (init_optimization_passes): Schedule
13687 * langhooks-def.h (lhd_omp_predetermined_sharing,
13688 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13690 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13691 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13692 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13693 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13694 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13695 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13696 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13697 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13698 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13699 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13700 (LANG_HOOK_DECLS): Use them.
13702 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13703 Richard Henderson <rth@redhat.com>
13704 Jakub Jelinek <jakub@redhat.com>
13705 Diego Novillo <dnovillo@redhat.com>
13707 * c-parser.c (pragma_omp_clause): Define.
13708 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13709 (c_parser_compound_statement): Likewise.
13710 (c_parser_statement): Likewise.
13711 (c_parser_pragma): Handle omp pragmas.
13712 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13713 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13714 (c_parser_omp_clause_name, check_no_duplicate_clause,
13715 c_parser_omp_variable_list,
13716 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13717 c_parser_omp_clause_copyprivate,
13718 c_parser_omp_clause_default,
13719 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13720 c_parser_omp_clause_lastprivate,
13721 c_parser_omp_clause_nowait,
13722 c_parser_omp_clause_num_threads,
13723 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13724 c_parser_omp_clause_reduction,
13725 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13726 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13727 c_parser_omp_atomic, c_parser_omp_barrier,
13728 c_parser_omp_critical, c_parser_omp_flush,
13729 c_parser_omp_for_loop, c_parser_omp_for,
13730 c_parser_omp_master, c_parser_omp_ordered,
13731 c_parser_omp_sections_scope, c_parser_omp_sections,
13732 c_parser_omp_parallel, c_parser_omp_single,
13733 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13734 * c-pragma.c (init_pragma): Do omp pragma registration here.
13735 * c.opt (fopenmp): New flag.
13737 2006-01-18 Eric Christopher <echristo@apple.com>
13739 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13740 * config/darwin.h (GOMP_SELF_SPECS): Define.
13742 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13744 * rtl.h: Remove the prototype for reg_alloc.
13746 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13749 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13750 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13751 sjlj and dwarf2 exception handling.
13752 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13753 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13754 * pa/pa.c (function_value): Treat complex and vector types as
13756 (function_arg): Likewise. Only pass scalar floats in the floating
13757 point argument registers.
13758 * pa/t-slibgcc-dwarf-ver: New file.
13759 * pa/t-slibgcc-sjlj-ver: New file.
13760 * pa/t-slibgcc-elf-ver: Delete file.
13762 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13764 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13765 unlikely_test_section_p test.
13767 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13769 * mode-switching.c (optimize_mode_switching): Make it static.
13770 * basic-block.h: Remove the prototype for
13771 optimize_mode_switching.
13773 * modulo-sched.c (sms_schedule): Make it static.
13774 * rtl.h: Remove the prototype for sms_schedule.
13776 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13777 * rtl.h: Remove the prototype for gcse_after_reload_main.
13779 * reg-stack.c (reg_to_stack): Make it static.
13780 * rtl.h: Remove the prototype for reg_to_stack.
13782 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13784 * rtl.h: Remove the prototypes for regrename_optimize and
13785 copyprop_hardreg_forward.
13787 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13789 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13790 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13791 Test against the appropriate null constant for the mode.
13792 If 'fixup_overlap' is true, swap the operands if they overlap.
13793 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13794 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13795 alpha_split_tmode_pair and adjust for above change.
13796 * config/alpha/alpha.md (movtf_internal): Adjust call to
13797 alpha_split_tfmode_pair and rely on it to swap the operands.
13798 (movti_internal): New insn and post-reload splitter.
13799 (movti): New expander.
13801 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13803 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13806 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13808 * rtlanal.c (global_reg_mentioned_p_1,
13809 global_reg_mentioned_p): Remove.
13810 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13812 * flow.c (initialize_uninitialized_subregs): Make it static.
13813 * rtl.h: Remove the prototype for
13814 initialize_uninitialized_subregs.
13816 * function.c (instantiate_virtual_regs): Make it static.
13817 * function.h: Remove the prototype for
13818 instantiate_virtual_regs.
13820 * regmove.c (regmove_optimize, combine_stack_adjustments):
13822 * rtl.h: Remove the prototypes for regmove_optimize and
13823 combine_stack_adjustments.
13825 2006-01-17 Roger Sayle <roger@eyesopen.com>
13827 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13828 (size_cost): Encode costs in bytes so that a reg-reg addition is
13829 equivalent to COSTS_N_INSNS(1).
13830 (override_options): Use the size_cost.branch_cost as the default
13831 ix86_branch_cost when optimizing for size.
13833 2006-01-18 Ben Elliston <bje@au.ibm.com>
13835 * Makefile.in (D32PBIT_FUNCS): New.
13836 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13837 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13838 D64PBIT_FUNCS and D128PBIT_FUNCS.
13839 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13840 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13842 (decnumber_dep): Define.
13843 * doc/libgcc.texi (Decimal float library routines): New node.
13844 * config/dfp-bit.h, config/dfp-bit.c: New files.
13846 2006-01-18 Ben Elliston <bje@au.ibm.com>
13848 * expr.c (emit_move_change_mode): Always adjust addresses, not
13849 just during reload. Copy replacements only during reload.
13850 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13851 emit_move_via_integer.
13853 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13855 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13856 instead of $(srcdir) and ${srcdir}.
13858 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13861 PR middle-end/11135
13862 * arm.h (struct machine_function): Add pic_reg.
13863 * arm.c (arm_pic_register): Make unsigned.
13864 (arm_override_options): Only set arm_pic_register if
13865 TARGET_SINGLE_PIC_BASE.
13866 (use_return_insn): Only test for a pic register if it is fixed.
13867 (arm_compute_save_reg0_reg12_mask): Likewise.
13868 (thumb_compute_save_reg_mask): Likewise.
13869 (legitimate_pic_operand): Factor out some known invariants.
13870 (legitimize_pic_address): If we don't have a fixed pic register,
13871 then set up a pseudo in the function entry sequence. Handle the
13872 pic base being in a pseudo.
13873 (arm_load_pic_register): Handle the pic register being in a pseudo.
13874 (arm_expand_prologue): Only set up the pic register if it is fixed.
13875 (thumb_expand_prologue): Likewise.
13876 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13877 (pic_load_addr_based_insn): Likewise.
13878 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13881 2006-01-18 Ben Elliston <bje@au.ibm.com>
13883 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13884 decimal float modes for all floating point registers.
13886 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13887 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13889 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13892 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13893 even when the pointer is not NULL.
13895 2006-01-16 Ian Lance Taylor <ian@airs.com>
13897 * common.opt (ftoplevel-reorder): New option.
13898 * cgraph.c (cgraph_asm_nodes): New global variable.
13899 (cgraph_asm_last_node): New static variable.
13900 (cgraph_order): New global variable.
13901 (cgraph_create_node): Set new order field.
13902 (cgraph_varpool_node): Likewise.
13903 (decide_is_variable_needed): Return true if not
13904 flag_toplevel_reorder.
13905 (cgraph_add_asm_node): New function.
13906 * cgraph.h (struct cgraph_node): Add order field.
13907 (struct cgraph_varpool_node): Add order field.
13908 (struct cgraph_asm_node): Define.
13909 (cgraph_asm_nodes, cgraph_order): Declare.
13910 (cgraph_add_asm_node): Declare.
13911 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13913 (cgraph_varpool_assemble_pending_decls): Call it.
13914 (cgraph_output_pending_asms): New static function.
13915 (cgraph_finalize_compilation_unit): Call it.
13916 (struct cgraph_order_sort): Define.
13917 (cgraph_output_in_order): New static function.
13918 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13919 !flag_toplevel_reorder case.
13920 * c-parser.c: Include "cgraph.h".
13921 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13923 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13924 than -fno-unit-at-a-time.
13925 * doc/invoke.texi (Option Summary): Mention
13926 -fno-toplevel-reorder.
13927 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13928 -funit-at-a-time documentation.
13930 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13931 Kazu Hirata <kazu@codesourcery.com>
13933 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13935 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13937 * Makefile.in (FUNCTION_H): New. Use it instead of
13938 function.h throughout the file.
13939 * function.h: Include tree.h.
13941 2006-01-17 Ben Elliston <bje@au.ibm.com>
13943 * recog.c: Separate some functions with whitespace.
13945 2006-01-16 Richard Henderson <rth@redhat.com>
13947 Merge from gomp branch:
13948 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13949 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13950 and rename from struct inline_data. Rename callee* to dst*;
13951 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13952 transform_new_cfg, transform_return_to_modify, and
13953 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13955 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13956 (copy_decl_for_dup): Remove.
13957 * tree-inline.c (struct inline_data): Move to header.
13958 (insert_decl_map): Export.
13959 (remap_decl): Update for member name changes. Use copy_decl hook.
13960 Allow for replacement to be a non-decl. Remove dead code.
13961 (remap_type_1): Check for existing mapping.
13962 (remap_type): Export.
13963 (remap_decls): Update for member name changes.
13964 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13965 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13966 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13967 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13968 (tree_function_versioning, build_duplicate_type): Likewise.
13969 (copy_body_r): Likewise. Export.
13970 (copy_decl_for_dup): Split into ...
13971 (copy_decl_for_dup_finish, copy_decl_to_var,
13972 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13973 (replace_ref_tree, inlining_p): Remove.
13975 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13977 * ifcvt.c (if_convert): Make it static.
13978 * rtl.h: Remove the prototype for if_convert.
13980 * local-alloc.c (local_alloc): Make it static.
13981 * rtl.h: Remove the prototype for local_alloc.
13983 * loop.c (loop_optimize): Make it static.
13984 * cfgloop.h: Remove the prototype for loop_optimize.
13987 2006-01-16 DJ Delorie <dj@redhat.com>
13989 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13992 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13994 * pa.md: Disparage copies between general and floating-point registers
13995 in 32-bit move patterns.
13997 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14000 * Makefile.in (check-%): Depend on site.exp instead of
14001 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14004 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14006 * global.c (global_alloc): Make it static.
14007 * rtl.h: Remove the prototype for global_alloc.
14009 2006-01-16 Richard Guenther <rguenther@suse.de>
14011 * tree-ssa-alias.c (struct used_part): Add write_only field.
14012 (get_or_create_used_part_for): Initialize it to true.
14013 (create_overlap_variables_for): Don't create structure variables
14014 for structures that only are written to.
14015 (find_used_portions): Handle MODIFY_EXPR to track whether a
14016 structure is only written to.
14018 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14020 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14022 * basic-block.h: Remove the prototype for
14023 partition_hot_cold_basic_blocks.
14025 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14027 * cppspec.c (lang_specific_spec_functions): Remove.
14028 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14029 * gcc.h (lang_specific_spec_functions): Remove.
14030 * gccspec.c (lang_specific_spec_functions): Remove.
14032 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14034 * combine.c (record_value_for_reg): Invalidate registers
14036 (record_dead_and_set_regs_1): Likewise, by passing them to
14037 record_value_for_reg.
14038 (record_dead_and_set_regs): Invalidate stores made by a
14039 call. We do not combine across a call, but we still
14040 relied on equivalences.
14042 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14044 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14045 vrp_int_const_binop returning non-constant nodes.
14047 2006-01-16 Paul Brook <paul@codesourcery.com>
14049 * config/m68k/m68k.c (output_move_const_into_data_reg):
14050 Output correct mnemonic for mvz and mvs.
14052 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14054 * rtl-factoring.c: Add sequence abstraction algorithm.
14055 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14056 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14058 (block_has_preserve_label): New function.
14059 * common.opt: Register new pass.
14060 * Makefile.in: Ditto.
14062 * timevar.def: Ditto.
14063 * tree-pass.h: Ditto.
14064 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14065 * rtl.h (make_jump_insn_raw): Add forward decl.
14066 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14068 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14069 Roger Sayle <roger@eyesopen.com>
14071 * fold-const.c (fold_minmax): New static function.
14072 (fold_binary) <MIN_EXPR>: Call it.
14073 <MAX_EXPR>: Likewise.
14074 * stor-layout.c (place_field): Use DECL_SIZE consistently
14075 in the computation of the new record size.
14077 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14079 * cse.c (cse_condition_code_reg): Make it static.
14080 * rtl.h: Remove the prototype for cse_condition_code_reg.
14082 * combine.c (combine_instructions): Make it static.
14083 * rtl.h: Remove the prototype for combine_instructions.
14085 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14088 * tree.c (get_file_function_name_long): Concatenate the first global
14089 object name with a string derived from the input filename of the object
14092 2006-01-16 Ben Elliston <bje@au.ibm.com>
14094 * config/i386/winnt-stubs.c: Update FSF address.
14095 * config/xtensa/ieee754-df.S: Ditto.
14096 * config/xtensa/ieee754-sf.S: Ditto.
14098 2006-01-14 Ian Lance Taylor <ian@airs.com>
14100 * ifcvt.c (noce_init_if_info): New static function, broken out of
14101 noce_process_if_block.
14102 (noce_process_if_block): Call noce_init_if_info.
14103 (check_cond_move_block): New static function.
14104 (cond_move_process_if_block): New static function.
14105 (process_if_block): Call cond_move_process_if_block.
14107 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14109 * cselib.c (hash_table): Rename to cselib_hash_table.
14110 (cselib_clear_table, discard_useless_values,
14111 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14112 cselib_init, cselib_finish): Adjust uses of hash_table.
14114 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14116 PR tree-optimization/25485
14117 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14118 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14119 is known to be false and true, respectively.
14121 2006-01-14 Richard Guenther <rguenther@suse.de>
14123 PR tree-optimization/22548
14124 PR tree-optimization/22555
14125 PR tree-optimization/22501
14126 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14127 * params.def (salias-max-array-elements): New parameter.
14128 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14129 * doc/invoke.texi (salias-max-array-elements): Document.
14130 * tree-flow-inline.h (var_can_have_subvars): We also handle
14132 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14134 * tree-ssa-structalias.c (params.h): Include.
14135 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14136 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14137 (get_constraint_for): For ADDR_EXPR operating on something
14138 containing an ARRAY_REF, add all subvars to the solution.
14139 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14140 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14141 for creating MUST_DEFs.
14142 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14144 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14146 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14148 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14149 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14150 number_of_iterations_le): New functions.
14151 (number_of_iterations_special): Removed.
14152 (number_of_iterations_exit): Do not use number_of_iterations_special.
14153 * tree.c (unsigned_type_for): Always return integer type.
14155 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14156 Richard Guenther <rguenther@suse.de>
14158 PR rtl-optimization/24257
14159 * gcse.c (find_moveable_store): Only consider a store movable
14160 when the SET_SRC of the insn can be assigned to a register.
14162 2006-01-14 Ian Lance Taylor <ian@airs.com>
14164 * tree.c (tree_not_class_check_failed): New function.
14165 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14166 (tree_not_class_check_failed): Declare.
14168 2006-01-13 Ian Lance Taylor <ian@airs.com>
14170 * reload1.c (do_output_reload): Add assertion rejecting a
14173 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14175 * combine.c (struct reg_stat): Add new fields truncation_label and
14177 (record_value_for_reg): Reset truncated_to_mode.
14178 (record_truncated_value): New function.
14179 (check_promoted_subreg): Call it. Rename to check_conversions.
14180 (combine_instructions): Rename check_promoted_subreg to
14182 (reg_truncated_to_mode): New function.
14183 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14184 (gen_lowpart_or_truncate): New function.
14185 (force_to_mode): Use it instead of gen_lowpart.
14187 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14189 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14190 VAR is a tag, not its type tag.
14192 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14194 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14195 alternatives to match style of other entries.
14196 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14198 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14200 PR tree-optimization/25771
14201 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14204 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14207 * tree-inline.c (declare_return_variable): If the return variable
14208 was marked as a non gimple complex, set the return slot variable
14209 to be a non gimple comple variable.
14211 2006-01-13 Richard Guenther <rguenther@suse.de>
14213 * builtins.c (expand_builtin_sincos): New function.
14214 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14216 (expand_builtin): Expand sincos using expand_builtin_sincos.
14218 2006-01-12 DJ Delorie <dj@redhat.com>
14220 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14221 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14222 so that constant shifts can be split.
14223 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14224 (m32c_valid_pointer_mode): Make static.
14225 (shift_gen_func_for): New.
14226 (m32c_prepare_shift): Use it. Split large const shifts into
14228 * config/m32c/predicates.md (shiftcount_operand): Allow more
14230 (longshiftcount_operand): New.
14231 * doc/md.texi (Machine Constraints): Document In6.
14233 2006-01-13 Ben Elliston <bje@au.ibm.com>
14235 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14236 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14239 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14241 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14242 to try to avoid clobbering pieces of structures when we know
14243 something about the whole structure.
14244 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14246 2006-01-13 Ben Elliston <bje@au.ibm.com>
14248 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14249 return in memory, as this is no limitation is no longer present.
14251 2006-01-12 DJ Delorie <dj@redhat.com>
14253 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14254 mova with fb, and for fb+0 -> An.
14256 * config/m32c/mov.md (peephole2): Fix enabling logic.
14258 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14259 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14260 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14261 FINI_ARRAY_SECTION_ASM_OP): Define.
14263 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14265 (m32c_legitimize_reload_address): New logic to reload FB to An.
14266 (m32c_output_reg_push): Add newline.
14267 (m32c_output_reg_pop): Likewise.
14269 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14271 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14273 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14275 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14277 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14279 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14282 2006-01-11 Ben Elliston <bje@au.ibm.com>
14284 * rtlanal.c (find_reg_note): Assert insn is not null.
14286 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14288 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14291 2006-01-11 Jeff Law <law@redhat.com>
14293 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14295 (mark_threaded_blocks, register_jump_thread): New functions.
14296 (thread_through_all_blocks): Remove unwanted argument. No
14297 longer rely on e->aux to communicate thread target info.
14298 Call mark_threaded_blocks. Release the threaded_blocks
14299 bitmap and threaded_edges vector when complete.
14300 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14301 (threaded_blocks): Remove.
14302 (tree_ssa_dominator_optimize): Remove initialization and
14303 finalization of threaded_blocks. Simplify call to
14304 thread_through_all_blocks.
14305 (thread_across_edge): Call register_jump_thread rather than
14306 storing thread information into e->aux.
14307 (free_all_edge_infos): Simplify now that e->aux is no longer
14308 used to communicate with thread_through_all_blocks.
14309 * tree-flow.h (thread_through_all_blocks): Update prototype.
14310 (register_jump_thread): Prototype.
14312 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14314 * df-core.c (df_compact_blocks, df_bb_replace): Use
14315 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14317 2006-01-11 Richard Guenther <rguenther@suse.de>
14319 PR tree-optimization/25734
14320 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14321 stop propagation after successful propagation to the LHS.
14323 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14325 * basic-block.h (control_flow_graph): Change the type of
14326 x_basic_block_info to VEC(basic_block,gc) *.
14327 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14329 (SET_BASIC_BLOCK): New.
14330 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14331 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14332 * cfgbuild.c (find_basic_blocks): Likewise.
14333 * cfglayout.c (fixup_reorder_chain): Likewise.
14334 * cfgrtl.c (create_basic_block_structure,
14335 rtl_create_basic_block): Likewise.
14336 * ifcvt.c (find_if_case_1): Likewise.
14337 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14340 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14342 * Makefile.in: Removed rotted odf.c entry.
14344 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14347 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14348 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14349 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14350 output pattern modifier, not %e.
14351 * config/cris/cris.c (cris_op_str): Update comment about pattern
14353 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14354 before falling through into...
14355 <case 'E'>: Redefined from old 'e' case.
14357 2006-01-11 Jan Hubicka <jh@suse.cz>
14360 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14362 2006-01-11 Jan Hubicka <jh@suse.cz>
14364 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14365 * i386.c (x86_decompose_lea): Kill.
14366 (ix86_rtx_costs): Kill.
14368 2006-01-11 Jan Hubicka <jh@suse.cz>
14370 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14371 * cgraph.h (cgraph_node): Add inline_decl.
14372 (cgraph_insert_node_to_hashtable): Declare.
14373 (save_inline_function_body): Declare.
14374 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14376 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14377 (cgraph_function_versioning): Update call of tree_function_versioning.
14378 (save_inline_function_body): New function.
14379 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14380 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14381 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14382 (cgraph_default_inline_p): Likewise.
14383 (cgraph_decide_inlining_incrementally): Likewise.
14384 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14385 (copy_bb): Kill saving; do updating of clones.
14386 (copy_cfg_body): Kill saving.
14387 (initialize_inlined-parameters): Likewise.
14388 (expand_call_inline): Likewise.
14390 (tree_function_versioning): New parameter "update_clones".
14391 (inlining_p): Kill saving.
14392 * tree-inline.h (tree_function_versioning): Update prototype.
14393 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14396 2006-01-11 Ian Lance Taylor <ian@airs.com>
14398 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14399 Allow undoing set of machine mode.
14400 (do_SUBST): Use enums instead of is_int.
14401 (do_SUBST_MODE): New function.
14402 (SUBST_MODE): New macro.
14403 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14404 reg and trying to replace reg_regno_rtx with a new register.
14405 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14406 (simplify_set): Use SUBST_MODE.
14407 (distribute_notes): Remove code that tried to update reg notes
14408 for regno_reg_rtx changes.
14410 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14412 PR tree-optimization/23109
14413 PR tree-optimization/23948
14414 PR tree-optimization/24123
14416 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14417 * tree-cfg.c (single_noncomplex_succ): New.
14418 * tree-flow.h (single_noncomplex_succ): Declare it.
14419 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14420 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14421 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14422 insert_bb, register_division_in, insert_reciprocals,
14423 replace_reciprocal, free_bb): New.
14424 (execute_cse_reciprocals_1): Rewritten.
14425 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14426 Do not commit any edge insertion. Always compute dominators and
14427 create the allocation pool.
14428 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14429 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14430 * targhooks.c (default_min_divistions_for_recip_mul): New.
14431 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14432 * passes.c (init_optimization_passes): Run recip after tree loop
14434 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14436 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14437 Kenneth Zadeck <zadeck@naturalbridge.com>
14439 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14440 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14441 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14442 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14443 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14444 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14445 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14446 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14447 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14448 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14449 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14450 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14451 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14452 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14453 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14454 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14455 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14456 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14457 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14458 DF_SCAN_POST_ALLOC): New macros.
14459 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14460 df_free_bb_function, df_local_compute_function, df_init_function,
14461 df_dataflow_function, df_confluence_function_0,
14462 df_confluence_function_n, df_transfer_function,
14463 df_finalizer_function, df_free_function, df_dump_problem_function,
14464 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14465 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14466 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14467 df_urec_bb_info, ) New types.
14468 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14470 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14471 df_analyze_simple_change_some_blocks,
14472 df_analyze_simple_change_one_block, df_compact_blocks,
14473 df_bb_replace, df_bb_regno_last_use_find,
14474 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14475 df_insn_regno_def_p, df_find_def, df_find_use,
14476 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14477 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14478 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14479 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14480 debug_df_chain, df_get_dependent_problem, df_chain_create,
14481 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14482 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14483 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14484 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14485 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14486 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14487 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14488 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14489 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14490 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14491 df_reorganize_refs, df_set_state, df_hard_reg_init,
14492 df_read_modify_subreg_p) New public functions.
14493 * df-core.c: The core dataflow solver and glue routines for rtl
14495 (df_init, df_add_problem, df_set_blocks, df_finish,
14496 df_hybrid_search_forward, df_hybrid_search_backward,
14497 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14498 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14499 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14500 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14501 df_reg_defined, df_find_use, df_reg_used, df_dump,
14502 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14503 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14504 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14505 debug_df_useno, reset_df_after_reload): New functions.
14506 * df-scan.c: The scanning fuctions, once in df.c, completely
14507 rewritten so that they now fully model the functionality of
14508 register usage at the backend.
14509 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14510 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14511 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14512 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14513 df_get_artificial_defs, df_get_artificial_uses,
14514 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14515 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14516 df_refs_delete, df_reorganize_refs, df_set_state,
14517 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14518 df_def_record_1, df_defs_record, df_uses_record,
14519 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14520 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14521 df_record_exit_block_uses, df_hard_reg_init): New functions.
14523 * df-problems.c: Seven concrete dataflow problems that use the
14524 scanning in df-scan.c and are solved by the engine in df-core.c.
14525 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14526 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14527 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14528 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14529 df_ru_free_bb_info, df_ru_alloc,
14530 df_ru_bb_local_compute_process_def,
14531 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14532 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14533 df_ru_transfer_function, df_ru_free, df_ru_dump,
14534 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14535 df_rd_free_bb_info, df_rd_alloc,
14536 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14537 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14538 df_rd_transfer_function, df_rd_free, df_rd_dump,
14539 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14540 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14541 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14542 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14543 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14544 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14545 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14546 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14547 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14548 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14549 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14550 df_urec_mark_reg_use_for_earlyclobber,
14551 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14552 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14553 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14554 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14555 df_chain_create_bb_process_use, df_chain_create_bb,
14556 df_chain_finalize, df_chain_free, df_chains_dump,
14557 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14558 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14559 df_reg_lifetime): New functions.
14560 * df.c: Deleted file.
14561 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14562 consistent with new df api.
14563 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14564 rest_of_handle_sms): Ditto.
14565 * web.c (unionfind_union, union_defs, entry_register, web_main):
14567 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14568 invariant_expr_equal_p, find_defs, check_dependencies,
14569 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14570 free_inv_motion_data, move_loop_invariants): Ditto.
14571 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14572 Update dependencies.
14573 (odf.c): Added defective entry that was deleted later in day.
14574 * sched-deps.c (sched_analyze_1): Ditto.
14576 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14578 * tree-ssa-operands.c (get_expr_operands): Record addressable
14579 variables directly. Do not call add_stmt_operands for CONST_DECLs
14581 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14582 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14584 2006-01-11 Ben Elliston <bje@au.ibm.com>
14586 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14587 function returns true in the positive case.
14589 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14592 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14593 for SI, DI, SF and DF modes. Add alternatives to copy between
14594 general and floating point registers to the 32-bit patterns.
14595 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14596 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14597 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14598 generating 64-bit code.
14599 * config/pa/pa.c (output_move_double): Handle copies between general
14600 and floating registers.
14602 2006-01-10 Stuart Hastings <stuart@apple.com>
14604 * config/i386/i386.md (set_got): Update.
14605 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14606 (builtin_setjmp_receiver): Mach-O support.
14607 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14608 (GOT_SYMBOL_NAME): Define.
14609 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14610 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14611 * config/i386/i386.c (override_options): Revise for Darwin.
14612 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14613 support. (darwin_x86_file_end): New. (output_set_got): Add label
14614 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14615 * config/i386/i386-protos.h (output_set_got): Likewise.
14616 * config/darwin.c (machopic_legitimize_pic_address): Update
14619 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14621 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14622 when MODE isn't BLKmode.
14624 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14626 PR rtl-optimization/25367
14627 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14629 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14632 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14633 for a negative bound.
14635 2006-01-10 Richard Guenther <rguenther@suse.de>
14637 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14638 Never override with anything constraint.
14640 2006-01-10 Jan Beulich <jbeulich@novell.com>
14642 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14643 256 bits when optimize_size.
14645 2006-01-10 Jan Beulich <jbeulich@novell.com>
14647 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14649 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14650 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14653 2006-01-10 Ben Elliston <bje@au.ibm.com>
14655 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14657 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14658 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14659 (USE_FP_FOR_ARG): Reject decimal float modes.
14660 (function_arg_advance): Likewise.
14661 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14662 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14663 point types in AltiVec vectors.
14664 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14665 (rs6000_libcall_value): Likewise.
14667 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14669 * config/xtensa/ieee754-df.S: New file.
14670 * config/xtensa/ieee754-sf.S: New file.
14671 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14672 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14673 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14675 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14677 * config/sh/predicates.md (binary_float_operator,
14678 binary_logical_operator, commutative_float_operator,
14679 equality_comparison_operator, greater_comparison_operator,
14680 less_comparison_operator, logical_operator,
14681 noncommutative_float_operator, shift_operator,
14682 symbol_ref_operand, unary_float_operator): Remove redundant
14685 2006-01-09 Jeff Law <law@redhat.com>
14687 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14688 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14689 now unused arguments. Callers updated.
14690 (eliminate_redundant_computations): Remove now unused arguments,
14692 (local_fold): Remove, no longer used.
14693 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14695 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14696 (simplify_cond): New function.
14697 (forward_propagate_into_cond): Call simplify_cond.
14699 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14701 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14702 (*vec_extractv2di_1_sse): New.
14704 2006-01-09 Ben Elliston <bje@au.ibm.com>
14706 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14708 2006-01-08 Richard Guenther <rguenther@suse.de>
14710 * tree-ssa-structalias.c (get_constraint_for): Remove
14711 anyoffset argument.
14712 (get_constraint_for_component_ref): Likewise.
14713 (do_deref): Likewise.
14714 (get_constraint_for): Likewise.
14715 (do_structure_copy): Likewise.
14716 (handle_ptr_arith): Likewise.
14717 (find_func_aliases): Likewise. Remove unused need_anyoffset
14720 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14721 Kaz Kojima <kkojima@gcc.gnu.org>
14723 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14724 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14725 (EXTRA_CONSTRAINT_C16): Remove.
14726 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14727 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14728 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14729 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14730 constants of SHmedia. Handle nested constant expressions of
14732 (andcosts): Fix the costs for SHmedia constants.
14733 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14734 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14735 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14736 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14737 (movv4hi_i, movv2si_i): Likewise.
14738 (movsi_const): Adjust the second operand of ior so to match with
14739 the Csu constraint.
14740 (movdi_const, movdi_const_32bit): Likewise.
14741 (movdi_const_16bit+1): Don't sign-extend LOW.
14742 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14744 (*double_shori): Fix the split condition. Use GEN_INT instead
14745 of get_int_mode calls. Mask lower 16-bit of the argument of
14747 (sym2GOTPLT): Remove.
14748 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14750 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14751 instead of EXTRA_CONSTRAINT_C16.
14753 2006-01-07 Ian Lance Taylor <ian@airs.com>
14754 David Edelsohn <edelsohn@gnu.org>
14756 PR rtl-optimization/25662
14757 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14758 for constant operands instead of simplify_gen_binary.
14759 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14760 after trying simplify_binary_operation
14762 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14764 * tree.c (iterative_hash_expr): Hash decls based on UID.
14766 2006-01-06 Eric Christopher <echristo@apple.com>
14768 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14769 (TARGET_UNWIND_EMIT): Fix spelling.
14770 * target.h (gcc_target): Add except_table_label.
14771 * except.c (output_function_exception_table): Use.
14772 * varasm.c (default_emit_except_table_label): New.
14773 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14775 (asm_out): Add here.
14776 * output.h (default_emit_except_table_label): Prototype.
14777 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14778 * config/darwin.c (darwin_emit_except_table_label): Define.
14779 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14781 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14783 PR tree-optimization/18527
14784 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14785 number_of_iterations_special, number_of_iterations_exit):
14786 Move base and step of an iv to a single structure. Add
14787 no_overflow flag, and use it in # of iterations analysis.
14788 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14789 folded_casts argument.
14790 (simple_iv): Pass base and step in a structure. Set no_overflow
14792 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14793 Evaluate expensiveness of computing # of iterations instead of
14794 the final expression.
14795 * tree-scalar-evolution.h (affine_iv): New structure.
14796 (simple_iv): Declaration changed.
14797 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14798 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14799 find_givs_in_stmt): Changed due to simple_iv change.
14801 2006-01-06 Jeff Law <law@redhat.com>
14804 * tree-cfg.c (bsi_replace): Rename final argument from
14805 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14806 change (stmt -> orig_stmt).
14807 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14808 (bsi_remove): Add new argument. Remove EH information
14810 (verify_eh_throw_table_statements): New function.
14811 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14813 * tree-optimize.c (execute_free_cfg_annotations): Verify
14814 the EH throw statement table after removing annotations.
14815 * except.h (verify_eh_throw_table_statements): Prototype.
14816 * tree-flow.h (bsi_remove): Update prototype.
14817 * tree-vrp.c (remove_range_assertions): Add new argument to
14819 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14820 * tree-complex.c (expand_complex_div_wide): Likewise.
14821 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14822 * tree-tailcall.c (eliminate_tailcall): Likewise.
14823 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14824 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14825 * tree-nrv.c (tree_nrv): Likewise.
14826 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14827 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14828 (combine_blocks): Likewise.
14829 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14830 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14831 (cleanup_control_flow): Likewise.
14832 (remove_forwarder_block): Likewise.
14833 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14834 * tree-sra.c (sra_replace): Likewise.
14835 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14836 (forward_propagate_single_use_vars): Likewise.
14837 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14838 * tree-inline.c (expand_call_inline): Likewise.
14839 * tree-vect-transform.c (vect_transform_loop): Likewise.
14840 * tree-outof-ssa.c (rewrite_trees): Likewise.
14841 * tree-cfg.c (make_goto_expr_edges): Likewise.
14842 (cleanup_dead_labels): Likewise.
14843 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14844 (bsi_move_before, bsi_move_after): Likewise.
14845 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14846 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14848 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14851 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14853 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14854 on non gimple variables. Also add checks at the top for decls and
14856 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14858 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14859 and IMAGPART_EXPR for creating MUST_DEFs.
14860 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14861 and NAME_MEMORY_TAG separately from the DECLs.
14863 2006-01-06 Richard Guenther <rguenther@suse.de>
14865 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14866 annotation, if necessary.
14867 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14868 redundant calls to update_stmt.
14869 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14872 2006-01-05 Richard Henderson <rth@redhat.com>
14874 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14876 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14878 * c-typeck.c: Update copyright date.
14880 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14882 * c-typeck.c (build_c_cast): Always warn when casting
14883 from a pointer to an integer of different size, even if
14884 the node was constant.
14886 2006-01-05 Richard Guenther <rguenther@suse.de>
14888 PR tree-optimization/22555
14889 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14890 if one structure field is an array.
14891 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14892 operands even if we found a subvar, but ignore VOPs in this
14894 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14896 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14898 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14900 PR middle-end/24998
14901 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14903 2006-01-05 Richard Guenther <rguenther@suse.de>
14904 Diego Novillo <dnovillo@redhat.com>
14906 * tree-pass.h (TODO_remove_unused_locals): Define.
14907 * gimple-low.c (expand_var_p, remove_useless_vars,
14908 pass_remove_useless_vars): Remove. Update all users.
14909 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14910 (remove_unused_locals): New function.
14911 * tree-flow.h (remove_unused_locals): Declare.
14912 * passes.c (execute_todo): Call remove_unused_locals if
14913 TODO_remove_unused_locals is set.
14914 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14915 * tree-ssa-dce.c (pass_dce): Likewise.
14916 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14918 2006-01-05 Richard Guenther <rguenther@suse.de>
14920 * tree-flow.h (struct fieldoff): Decompose field to
14921 type, size and decl.
14922 * tree-ssa-alias.c (create_sft): Take type as parameter.
14923 (create_overlap_variables_for): Store type, size and decl
14924 in the fieldoff structure.
14925 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14926 of struct fieldoff.
14927 (push_fields_onto_fieldstack): Likewise.
14928 (create_variable_info_for): Likewise. Use offset for the
14929 SFT name if the decl is not available.
14931 2006-01-04 Paul Brook <paul@codesourcery.com>
14933 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14935 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14937 * lambda-code.c (can_put_in_inner_loop): Relax
14939 (can_put_after_inner_loop): New function.
14940 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14941 (perfect_nestify): Change to make copies and modify uses.
14943 2006-01-04 Richard Henderson <rth@redhat.com>
14945 Merge from gomp branch:
14946 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14947 via integer constant.
14948 (pragma_lex): Remove.
14949 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14950 rather than parsing it.
14951 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14952 handle_pragma_extern_prefix): Add %< %> quotes.
14953 (registered_pragmas): New.
14954 (c_register_pragma_1): New.
14955 (c_register_pragma): Use it.
14956 (c_register_pragma_with_expansion): Likewise.
14957 (c_invoke_pragma_handler): New.
14958 (init_pragma): Use cpp_register_deferred_pragma directly for
14960 * c-pragma.h (enum pragma_kind): New.
14961 (pragma_handler): New.
14962 (c_invoke_pragma_handler): Declare.
14963 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14965 * c-common.h (c_common_pch_pragma): Update decl.
14966 * Makefile.in (c-parser.o): Update dependencies.
14967 (GTFILES): Add c-pragma.h.
14968 * c-parser.c (struct c_token): Add pragma_kind.
14969 (struct c_parser): Add in_pragma.
14970 (c_lex_one_token): Always initialize keyword and pragma_kind.
14971 Extract data for CPP_PRAGMA.
14972 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14973 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14974 Don't allow CPP_PRAGMA_EOL if in_pragma.
14975 (c_parser_consume_pragma): New.
14976 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14977 (c_parser_skip_to_end_of_parameter): Likewise.
14978 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14979 (c_parser_skip_to_pragma_eol): New.
14980 (c_parser_external_declaration): Handle CPP_PRAGMA.
14981 (c_parser_compound_statement_nostart): Likewise.
14982 (c_parser_statement_after_labels): Likewise.
14983 (c_parser_pragma): New.
14984 (pragma_lex): Likewise.
14985 (c_parser_pragma_pch_preprocess): New.
14986 (c_parser_new): Merge into ...
14987 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14989 2006-01-04 Jeff Law <law@redhat.com>
14992 * tree-cfg.c (bsi_replace): Remove the original statement
14993 from the EH throw statement table.
14995 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14997 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14998 make the prototype extern "C" and add throw ().
15001 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15002 and pos non-negative and pos + len <= 32.
15003 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15004 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15005 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15008 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15009 as well as sizes not multiple of component size.
15012 * function.c (instantiate_expr): New function.
15013 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15014 walk its DECL_VALUE_EXPR with instantiate_expr.
15016 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15017 DW_OP_deref{,_size} if address isn't going to be added.
15019 2006-01-04 Ben Elliston <bje@au.ibm.com>
15021 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15022 * config/fp-bit.c: Likewise.
15024 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15026 * dominance.c: Add comment about why we use DFS numbering
15029 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15030 Richard Henderson <rth@redhat.com>
15032 Merge from gomp-branch:
15033 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15034 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15036 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15038 PR rtl-optimization/25578
15039 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15040 pass a parameter to simplify_shift_const if changing ASHIFTRT
15043 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15045 * builtins.c (get_builtin_sync_mem): New function.
15046 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15047 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15048 Call get_builtin_sync_mem to generate mem rtx.
15050 2006-01-03 Richard Guenther <rguenther@suse.de>
15053 * stmt.c (add_case_node): Make sure to clear overflow flags
15056 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15058 Merge from gomp-branch.
15059 * config/sparc/sync.md: New file.
15060 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15061 UNSPECV_LDSTUB): New constants.
15062 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15063 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15064 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15067 2006-01-03 Roger Sayle <roger@eyesopen.com>
15069 * combine.c (reg_subword_p): New predicate to test whether the
15070 destination of a set refers to a subword/piece of a register.
15071 (try_combine): Generalize the code to merge the setting of a
15072 pseudo to a constant followed by a set of a subword of that
15073 register to a constant.
15075 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15077 * basic-block.h (control_flow_graph): Change the type of
15078 x_label_to_block_map to VEC(basic_block,gc) *.
15079 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15080 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15082 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15083 VEC(basic_block,heap) *.
15084 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15085 ssa_prop_fini): Adjust the uses of cfg_blocks.
15087 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15089 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15091 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15092 hashing trees instead of a pointer hash.
15093 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15094 compare for MEM_EXPR.
15096 PR rtl-optimization/25130
15097 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15098 when comparing MEMs for GCSE
15100 2006-01-03 Ben Elliston <bje@au.ibm.com>
15102 * targhooks.h (default_decimal_float_supported_p): Declare.
15103 * targhooks.c (default_decimal_float_supported_p): Define.
15104 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15105 `default_decimal_float_supported_p'.
15106 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15108 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15110 * combine.c (apply_distributive_law <SUBREG>): Check
15111 TRULY_NOOP_TRUNCATION.
15113 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15115 * dwarf2out.c (have_switched_text_section): Delete.
15116 (have_multiple_function_sections): New.
15117 (have_location_lists): Make 'bool'.
15118 (add_AT_loc_list): Use 'true' not '1'.
15119 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15120 (output_loc_list): Use have_multiple_function_sections.
15121 (output_ranges): Likewise.
15122 (dwarf2out_begin_function): Set have_multiple_function_sections if
15124 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15125 Check function_section rather than DECL_SECTION_NAME.
15126 (dwarf2out_finish): Use have_multiple_function_sections.
15127 Don't clear have_location_lists.
15129 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15130 Jan Hubicka <jh@suse.cz>
15132 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15133 case of conditional jump jumping to the next instruction.
15134 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15135 cases of conditional jump jumping to the next instruction.
15137 2006-01-02 Jan Hubicka <jh@suse.cz>
15139 * i386.c (*_cost): Add COSTS_N_INSNS.
15140 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15142 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15145 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15147 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15149 * config/arm/arm.c (all_fpus): Fix comment typo.
15150 * config/darwin.c: Likewise.
15151 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15152 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15153 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15155 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15157 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15158 (rs6000_split_compare_and_swapqhi): New.
15159 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15160 (sync_compare_and_swapqhi_internal): New.
15161 * config/rs6000/rs6000-protos.h: Declare.