1 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3 PR tree-optimization/28887
4 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5 component parts from the reference.
6 (gather_memory_references_ref): Record the reference without the
7 nonaddressable component parts.
9 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
12 * c-opts.c (c_common_handle_option): Ignore the -std options
13 if the input language is assembly.
15 2006-09-17 Ira Rosen <irar@il.ibm.com>
18 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
20 (ptr_ptr_may_alias_p): Likewise.
21 (record_record_differ_p): New function.
22 (base_object_differ_p): Call record_record_differ_p.
24 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
27 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
28 away for the expr argument.
30 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
33 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
34 before using it for dumping after vectorizing loops.
36 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
37 Jack Howarth <howarth@bromo.med.uc.edu>
40 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
41 skip on error_mark_node.
42 (rs6000_darwin64_record_arg_recurse): Likewise.
44 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
46 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
47 * doc/rtl.texi: Remove related documentation.
49 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
51 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
54 2006-09-15 Jim Wilson <wilson@specifix.com>
56 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
57 Handle symbol offsets same as they are handled in ia64_expand_move
60 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
62 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
63 Add forgotten parameter to the fprintf call.
65 2006-09-15 Steve Ellcey <sje@cup.hp.com>
67 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
69 2006-09-15 Uros Bizjak <uros@kss-loka.si>
71 * doc/contrib.texi: Add my entry.
73 2006-09-15 Nick Clifton <nickc@redhat.com>
75 * doc/md.texi (Processor pipeline description): Fix typo in
76 example of how to use the absence_set directive and reword the
77 description to make it slightly easier to read.
79 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
81 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
82 * loop-doloop.c (doloop_optimize): Use it to limit costs of
83 expanding the number of iterations.
84 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
86 * cfgrtl.c (emit_insn_at_entry): New function.
87 * rtl.h (emit_insn_at_entry): Declare it.
88 * integrate.c (emit_initial_value_sets): Use it.
90 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
92 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
94 (struct loop_work and related VEC declarations): Delete.
95 (bfin_dump_loops): Print out new member bad.
96 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
97 (bfin_scan_loop): Don't recurse.
98 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
99 loops. No longer need to update outer loops if the current one is
100 found bad. Move some validitiy checks to bfin_discover_loop.
101 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
102 but changed not to check for nesting. Also changed to use the new bad
104 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
105 time. Use bitmap based test to discover loop nesting.
107 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
109 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
112 2006-09-14 Richard Guenther <rguenther@suse.de>
113 Kazu Hirata <kazu@codesourcery.com>
116 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
117 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
118 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
119 with TARGET_FUNCTION_VALUE.
121 2006-09-14 Anatoly Sokolov <aesok@post.ru>
124 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
126 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
128 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
131 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
134 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
137 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
139 * basic_block.h (bb_has_eh_pred): Fix comment.
141 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
143 * flow.c (calculate_global_regs_live): Invalidate eh registers
144 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
145 (propagate_block): Handle eh registers as if they were set at basic
147 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
149 * global.c (global_conflicts): Make eh registers to conflict with
150 pseudos live at basic block begin.
151 * basic_block.h (bb_has_eh_pred): New function.
153 2006-09-13 Richard Sandiford <richard@codesourcery.com>
155 PR rtl-optimization/28982
156 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
157 index of a PRE_MODIFY or POST_MODIFY address.
158 * reload1.c (inc_for_reload): Use find_replacement on the original
159 base and index registers.
161 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
163 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
164 for -Os. Update __m128 alignment requirement.
166 2006-09-13 Jan Hubicka <jh@suse.cz>
168 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
170 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
172 PR rtl-optimization/28243
173 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
174 the insn to which the note was originally attached.
176 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
177 Roger Sayle <roger@eyesopen.com>
179 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
180 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
181 on platforms that don't use dwarf for debug info.
183 2006-09-12 Jason Merrill <jason@redhat.com>
186 * builtins.c (expand_builtin_setjmp_receiver): Clobber
187 hard_frame_pointer_rtx after using it to update the frame pointer.
189 2006-09-12 Roger Sayle <roger@eyesopen.com>
191 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
192 (TARGET_ASM_CLOSE_PAREN): Likewise.
193 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
194 (TARGET_ASM_CLOSE_PAREN): Likewise.
196 2006-09-12 Roger Sayle <roger@eyesopen.com>
199 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
200 frame information for frames larger than 512 Kbytes on Tru64 when
201 using the native assembler.
203 2006-09-12 Roger Sayle <roger@eyesopen.com>
207 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
208 and symbols. Instead use the implementation from cse.c's hash_rtx.
210 2006-09-12 Jan Hubicka <jh@suse.cz>
212 PR rtl-optimization/28071
213 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
214 (vect_transform_loop): Likewise.
215 * tree-vectorizer.c (new_loop_vec_info): Likewise.
216 (new_loop_vec_info): Likewise.
217 (destroy_loop_vec_info): Likewise.
218 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
219 (create_stmt_ann): Likewise.
220 (create_tree_ann): Rename to ...
221 (create_tree_common_ann): ... this one; allocate only the common part
223 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
224 (get_value_handle): Likewise.
225 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
227 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
228 (vinfo_for_stmt): Use stmt annotations.
229 * tree-flow.h (tree_ann_common_t): New type.
230 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
231 (tree_ann, get_tree_ann, create_tree_ann): New.
232 * tree-flow-inline.h (get_function_ann): Do more type checking.
233 (stmt_ann): Likewise.
234 (tree_ann): Rename to ...
235 (tree_common_ann): ... this one; return ony common_ann
236 (get_tree_ann): Rename to ...
237 (tree_common_ann): This one; return only common_ann.
238 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
241 2006-09-11 Geoffrey Keating <geoffk@apple.com>
243 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
246 * dwarf2out.c (dwarf_file_data): New.
247 (enum dw_val_class): Add dw_val_class_file.
248 (struct dw_val_struct): Add val_file.
249 (file_table): Change to a hash table.
250 (file_table_emitted): Delete.
251 (file_table_last_lookup_index): Delete.
253 (last_emitted_file): New.
254 (lookup_filename): Change prototype to return a struct dwarf_file_data.
255 (init_file_table): Delete.
256 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
257 (AT_addr): Add comment.
261 (print_die): Handle dw_val_class_file.
262 (print_dwarf_line_table): Update for new file table structure.
263 (attr_checksum): Do checksum a filename.
264 (same_dw_val_p, same_attr_p): Do compare a filename.
265 (size_of_die): Handle dw_val_class_file.
266 (value_format): Likewise.
267 (output_die): Likewise. Also, call maybe_emit_file here.
268 (struct file_info): Constify filenames. Make file_idx a pointer
269 to a struct dwarf_file_data.
270 (struct dir_info): Constify directory names. Remove 'used' field.
271 (struct file_name_acquire_data): New.
272 (file_name_acquire): New.
273 (output_file_names): Modify to handle new file data structures.
274 (add_src_coords_attributes): Use add_AT_file.
275 (add_call_src_coords_attributes): Likewise.
276 (dwarf2out_imported_module_or_decl): Likewise.
277 (gen_subprogram_die): Modify for new file data structures.
278 (gen_variable_die): Likewise.
279 (file_table_eq): New.
280 (file_table_hash): New.
281 (file_table_last_lookup): New.
282 (lookup_filename): Rewrite to handle new file data structures.
283 (maybe_emit_file): Rewrite to handle new file data structures.
284 (dwarf2out_source_line): Always call lookup_filename and
286 (dwarf2out_init): Create file_table here.
287 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
288 (file_table_relative_p): New.
289 (dwarf2out_finish): Change detection of relative filenames
290 to work with new file data structures. Move output_line_info call
291 after debug_info output.
293 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
298 * config/i386/i386.c (override_options): Always default to 16
301 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
304 * var-tracking.c (dump_dataflow_set): Start dumping at
306 (clobber_variable_part): Kill only the variable part in
307 registers holding it, leaving other variables alone.
309 2006-09-11 Josh Triplett <josh@freedesktop.org>
311 * doc/extend.texi (Other Builtins): Actually use the macro
312 argument in the documentation example for
313 __builtin_types_compatible_p.
315 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
317 PR rtl-optimization/28726
318 * sched-deps.c (sched_analyze_reg): New function extracted from...
319 (sched_analyze_1): ...here. Call it to analyze references to
320 registers. Treat again writes to a stack register as writing to the
322 (sched_analyze_2): ...and here. Call it to analyze references to
323 registers. Treat again reads of a stack register as reading the
326 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
327 David Edelsohn <edelsohn@gnu.org>
330 * config/rs6000/spe.md (frob_df_di): Remove %H.
331 (frob_di_df): Remove %H. Change evmergelo to mr.
332 (frob_di_df_2): Remove %H. Change evldd to two loads.
334 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
336 * doc/cpp.texi: Fix names of charset options.
338 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
341 * config/i386/i386.c (override_options): Use 128-bit
342 stack boundary always for 64bits.
344 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
346 PR rtl-optimization/28636
347 * combine.c (force_to_mode): Test for side-effects before
348 substituting by zero.
349 (simplify_shift_const): Likewise for zero or other constants.
351 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
354 * builtins.c (expand_builtin_setjmp): Force next_lab to be
357 2006-09-10 Richard Sandiford <richard@codesourcery.com>
360 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
361 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
362 returned by mode_for_size, rather than the mode of src itself,
363 to choose between 32-bit and 64-bit patterns.
364 (mips_mem_fits_mode_p): New function.
365 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
366 that the size of the source matches the size of the destination.
367 (mov_<store>l, mov_<store>r): Likewise.
369 2006-09-10 Eric Christopher <echristo@apple.com>
371 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
374 2006-09-09 Eric Christopher <echristo@apple.com>
377 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
380 2006-09-09 Roger Sayle <roger@eyesopen.com>
381 Nicolas Setton <setton@adacore.com>
383 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
385 2006-09-10 Andreas Schwab <schwab@suse.de>
387 * config/m68k/m68k.md (bungt_rev): New pattern.
389 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
390 Dale Johannesen <dalej@apple.com>
393 * regclass.c (struct reg_pref): Update documentation.
394 (regclass): Set prefclass to NO_REGS if memory is the best option.
395 (record_reg_classes): Cope with a prefclass set to NO_REGS.
397 2006-09-08 Eric Christopher <echristo@apple.com>
399 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
400 * config/t-slibgcc-darwin: Support x86_64 multilib.
401 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
402 Return 1 for x86_64-darwin.
403 * config/i386/t-darwin: Add m64 multilib.
404 (LIB2_SIDITI_CONV_FUNCS): Use.
405 (LIB2FUNCS_EXTRA): Ditto.
406 * config/i386/darwin.h: Support x86_64.
407 * config/i386/i386.c (override_options): Turn on flag_pic
408 for x86_64-darwin. Disable flag_omit_pointer.
409 (get_pc_thunk_name): Assert !TARGET_64BIT.
410 (legitimate_address_p): Disable machopic addressing for
412 (legitimize_pic_address): Ditto.
413 (ix86_expand_move): Ditto.
414 (ix86_expand_call): Ditto.
415 (machopic_output_stub): Ditto.
416 * config/darwin.c (machopic_select_section): Support literal16.
417 (machopic_select_rtx_section): Ditto.
418 * config/darwin-sections.def: Ditto.
419 * config/darwin-64.c: New.
421 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
424 * c-tree.h (struct c_arg_info): Add pending_sizes.
425 * c-parser.c (c_parser_parms_declarator,
426 c_parser_parms_list_declarator): Initialize pending_sizes.
427 * c-decl.c (get_parm_info): Initialize pending_sizes.
428 (get_parm_info): Set pending_sizes.
429 (grokdeclarator): Call put_pending_sizes for parameters for
430 function definition only.
432 2006-09-07 Jason Merrill <jason@redhat.com>
435 * varasm.c (output_constant): Only strip actual no-op conversions.
438 * config/i386/i386.c (override_options): Use 128-bit
439 stack boundary if -msse.
441 2006-09-07 Eric Christopher <echristo@apple.com>
443 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
445 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
448 2006-09-07 Geoffrey Keating <geoffk@apple.com>
450 * dwarf2out.c: Remove strange characters from comment above
451 dwarf2out_frame_debug_expr.
453 2006-09-07 Eric Christopher <echristo@apple.com>
455 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
456 * config/darwin.h: ... to here.
458 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
460 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
462 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
463 (TARGET_PARTIAL_FLAG_REG_STALL): New.
465 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
466 TARGET_PARTIAL_FLAG_REG_STALL.
467 (*ashldi3_cconly_rex64): Likewise.
468 (*ashlsi3_cmp): Likewise.
469 (*ashlsi3_cconly): Likewise.
470 (*ashlsi3_cmp_zext): Likewise.
471 (*ashlhi3_cmp): Likewise.
472 (*ashlhi3_cconly): Likewise.
473 (*ashlqi3_cmp): Likewise.
474 (*ashlqi3_cconly): Likewise.
475 (*ashrdi3_cmp_rex64): Likewise.
476 (*ashrdi3_cconly_rex64): Likewise.
477 (*ashrsi3_cmp): Likewise.
478 (*ashrsi3_cconly): Likewise.
479 (*ashrsi3_cmp_zext): Likewise.
480 (*ashrhi3_cmp): Likewise.
481 (*ashrhi3_cconly): Likewise.
482 (*ashrqi3_cmp): Likewise.
483 (*ashrqi3_cconly): Likewise.
484 (*lshrdi3_cmp_rex64): Likewise.
485 (*lshrdi3_cconly_rex64): Likewise.
486 (*lshrsi3_cmp): Likewise.
487 (*lshrsi3_cconly): Likewise.
488 (*lshrsi3_cmp_zext): Likewise.
489 (*lshrhi3_cmp): Likewise.
490 (*lshrhi3_cconly): Likewise.
491 (*lshrqi2_cmp): Likewise.
492 (*lshrqi2_cconly): Likewise.
494 2006-09-07 Uros Bizjak <uros@kss-loka.si>
497 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
498 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
499 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
500 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
501 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
502 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
503 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
504 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
505 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
506 implement only CC setting effects of shift instructions.
508 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
510 * doc/contrib.texi: Add myself.
512 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
515 * stor-layout.c (relayout_decl): Don't zero the alignment if it
518 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
521 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
522 (divsi_inv_m1): Use them.
523 (UNSPEC_DIV_INV_TABLE): New constant.
525 2006-09-06 James E Wilson <wilson@specifix.com>
528 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
529 then call count_or_remove_death_notes.
531 2006-09-06 Jason Merrill <jason@redhat.com>
534 * tree-inline.c (copy_result_decl_to_var): New fn.
535 (declare_return_variable): Use it. Call declare_inline_vars here.
536 (expand_call_inline): Not here.
538 2006-09-06 Diego Novillo <dnovillo@redhat.com>
540 * doc/contrib.texi: Update my entry.
542 2006-09-06 Nick Clifton <nickc@redhat.com>
544 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
546 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
549 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
550 (canonicalize_induction_variables): Likewise.
551 (tree_unroll_loops_completely): Likewise.
552 (tree_ssa_prefetch_arrays): Likewise.
553 (remove_empty_loops): Likewise.
554 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
555 TODO_cleanup_cfg instead of directly calling
556 cleanup_tree_cfg_loop.
557 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
559 (tree_unroll_loops_completely): Likewise.
560 (remove_empty_loops): Likewise.
561 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
562 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
563 of tree_ssa_unswitch_loops.
564 (tree_ssa_loop_ivcanon): Use the return value of
565 canonicalize_induction_variables.
566 (tree_ssa_empty_loop): Use the return value of
568 (tree_complete_unroll): Use the return value of
569 tree_unroll_loops_completely.
570 (tree_ssa_loop_prefetch): Use the return value of
571 tree_ssa_prefetch_arrays.
572 * passes.c (execute_todo): Before Cleanup CFG, set
573 updating_used_alone and after cleanup CFG, call
574 recalculate_used_alone.
576 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
579 * tree-vect-transform.c (vectorizable_condition): Move the check
580 for the type after the check for simple condition.
582 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
583 Kaz Kojima <kkojima@gcc.gnu.org>
586 * mode-switching.c (optimize_mode_switching): Make the destination
587 block of an abnormal edge have no anticipatable mode. Don't
588 insert mode switching code at the end of the source block of
591 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
593 PR rtl-optimization/26847
594 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
595 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
596 (simplify_plus_minus): Count n_constants while filling ops. Replace
597 qsort with insertion sort. Before going through the array to simplify
598 pairs, sort it. Delay early exit until after the first sort, exiting
599 only if no swaps occurred. Simplify pairs in reversed order, without
600 special-casing the first iteration. Pack ops after simplifying pairs.
602 2006-09-05 Anatoly Sokolov <aesok@post.ru>
604 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
605 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
606 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
607 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
609 2006-09-05 Richard Guenther <rguenther@suse.de>
611 PR tree-optimization/28900
612 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
613 compound conditional before creating COND_EXPR condition.
615 2006-09-05 Richard Guenther <rguenther@suse.de>
617 PR tree-optimization/28905
618 * tree-vrp.c (fix_equivalence_set): Manually implement
619 !value_ranges_intersect_p to also handle symbolic ranges.
621 2006-09-05 Richard Guenther <rguenther@suse.de>
624 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
627 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
629 PR rtl-optimization/27616
630 * cse.c (table_size): New static variable.
631 (new_basic_block): Initialize it to 0.
632 (remove_from_table): Decrement it.
633 (insert): Increment it.
634 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
635 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
636 fold_rtx_mem_1 if under the cap.
637 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
638 the lookup of the equivalent expression and test for equality of the
639 first operand of the equivalent expression before in turn looking up
640 an equivalent constant for the second operand.
642 2006-09-02 Geoffrey Keating <geoffk@apple.com>
645 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
646 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
647 pointer, instead of assuming it is possible to derive the
648 correct args size from a call insn.
650 2006-09-02 Jakub Jelinek <jakub@redhat.com>
653 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
654 (fold_builtin_mempcpy): Rename to...
655 (fold_builtin_memory_op): ... this. Optimize one element copy
657 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
659 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
660 (expand_builtin_memcpy, expand_builtin_mempcpy,
661 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
662 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
663 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
664 BUILT_IN_MEM{CPY,PCPY,MOVE}.
666 2006-09-01 DJ Delorie <dj@redhat.com>
668 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
670 ("stzx_24_<mode>"): Likewise.
671 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
672 ("cmp<mode>_op"): New.
673 (cmp<mode>): Change to expander; just save operands.
675 (b<code>): Change to expander, emit compare here.
676 (s<code>_op): Change to use split and expander.
677 (s<code>_24_op): Likewise.
678 (s<code>_<mode>): New.
679 (s<code>_<mode>_24): New.
680 (movqicc_<code>_<mode): New.
681 (movhicc_<code>_<mode>): New.
684 * config/m32c/m32c.c (compare_op0, compare_op1): New.
685 (m32c_pend_compare): New.
686 (m32c_unpend_compare): New.
687 (m32c_expand_scc): New.
688 (m32c_expand_movcc): Emit the compare also.
689 * config/m32c/predicates.md (mra_nopp_operand): New.
691 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
692 Richard Guenther <rguenther@suse.de>
693 Adam Nemet <anemet@caviumnetworks.com>
696 * builtins.c (get_pointer_alignment): Handle more forms
697 of base addresses that can be used to derive more precise
698 information about alignment.
700 2006-09-01 Jason Merrill <jason@redhat.com>
703 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
706 * gimplify.c (voidify_wrapper_expr): Handle null type.
708 2006-09-01 Josh Conner <jconner@apple.com>
711 * tree-nrv.c (dest_safe_for_nrv_p): New function.
712 (execute_return_slot_opt): Use it.
714 2006-08-31 Josh Conner <jconner@apple.com>
717 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
718 returning aggregates.
720 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
722 PR tree-optimization/28839
723 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
724 blocks in that phi arguments appear.
726 2006-08-31 Roger Sayle <roger@eyesopen.com>
729 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
730 NULL, otherwise use an advance_loc4 to adjust relative to the
732 (output_cfi) <DW_CFA_set_loc>: Update the current label.
733 (dwarf2out_switch_text_section): Reset the current label to avoid
734 using advance_loc4 over section boundaries.
736 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
739 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
740 r12 + SYMBOLIC_CONST.
742 2006-08-30 Richard Guenther <rguenther@suse.de>
744 * Makefile.in (see.o): Add $(EXPR_H) dependency.
746 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
748 PR rtl-optimization/27735
749 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
750 Add new argument to keep track of whether an irreducible region
751 was affected. All callers changed.
752 (fix_irreducible_loops): Removed.
753 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
754 flags were invalidated.
756 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
758 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
759 instead of SF operands.
760 (*fop_df_comm_sse): Likewise.
761 (*fop_df_comm_i387): Likewise.
762 (*fop_df_1_mixed): Likewise.
763 (*fop_df_1_sse): Likewise.
765 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
766 J"orn Rennecke <joern.rennecke@st.com>
768 PR tree-optimization/17506
769 * tree-ssa.c (warn_uninit): If warning about a location outside of
770 the current function, note where the variable was declared.
772 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
774 PR tree-optimization/28411
775 * double-int.c (double_int_div): Use double_int_divmod.
776 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
777 double_int_mod, double_int_smod, double_int_umod): New functions.
778 * double-int.h (double_int_divmod, double_int_sdivmod,
779 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
781 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
783 (get_computation_aff, get_computation_cost_at): Handle double_int
784 return type of constant_multiple_of.
786 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
789 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
790 an implicit conversion.
792 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
794 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
796 2006-08-27 Roger Sayle <roger@eyesopen.com>
798 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
801 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
803 * config/i386/crtfastmath.c: Fix a comment typo.
805 2006-08-26 Roger Sayle <roger@eyesopen.com>
807 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
808 temporary visit flags on CASE_LABEL_EXPRs.
809 * c-common.c (match_case_to_enum): Add function comment. Avoid
810 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
811 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
812 CASE_HIGH_SEEN for enumerated types. If the switch expression is
813 a constant, only warn if that constant value isn't handled.
815 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
818 * input.h (restore_input_file_stack): Declare.
819 (INPUT_FILE_STACK_BITS): Define.
820 * toplev.c (fs_p, input_file_stack_history,
821 input_file_stack_restored, restore_input_file_stack): New.
822 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
823 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
824 (pop_srcloc): Don't free old state of stack.
826 2006-08-26 David Edelsohn <edelsohn@gnu.org>
829 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
830 (PowerPC Type Attributes): New.
832 2006-08-26 Bob Wilson <bob.wilson@acm.org>
834 * config/xtensa/xtensa.c (function_arg_boundary): New.
835 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
837 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
838 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
840 2006-08-26 Jakub Jelinek <jakub@redhat.com>
843 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
846 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
848 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
849 (verify_local_live_at_start): Likewise.
851 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
854 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
855 omp_add_variable): Treat sizes as variable whenever not
858 2006-08-26 Richard Guenther <rguenther@suse.de>
861 * fold-const.c (fold_binary): Fold temporary to correct
862 type before constructing new comparison.
864 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
867 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
868 variable again if DECL_SEEN_IN_BIND_EXPR_P.
870 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
873 * c-decl.c (start_function): Don't try to process prototype
874 information from old declaration that isn't a function.
876 2006-08-25 Jan Hubicka <jh@suse.cz>
879 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
881 2006-08-25 Alan Modra <amodra@bigpond.net.au>
884 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
887 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
889 PR tree-optimization/16876
890 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
891 exit if PARM doesn't match VALUE.
893 2006-08-25 Bob Wilson <bob.wilson@acm.org>
895 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
896 literal_prefix directive.
897 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
898 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
899 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
901 2006-08-25 David Edelsohn <edelsohn@gnu.org>
904 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
905 predicate to general_operand. Add 0->y and I->r alternatives.
907 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
909 * doc/tm.texi: Fix a typo.
910 * predict.c: Fix comment typos.
912 2006-08-25 Nick Clifton <nickc@redhat.com>
914 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
915 assertions of "cpu" and "machine".
917 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
920 * tree-ssa-operands.c (access_can_touch_variable): Don't say
921 the access through a base which has an alias set of 0 cannot
924 2006-08-24 Bill Wendling <wendling@apple.com>
926 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
928 2006-08-24 Jan Hubicka <jh@suse.cz>
930 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
932 2006-08-24 Jan Hubicka <jh@suse.cz>
935 * cgraph.c: Fix comments.
936 (cgraph_varpool_mark_needed_node): Mark only variables not already
938 * cgraphunit.c: Update comments; include gt-cgraphunit.h
939 (cgraph_varpool_assembled_nodes_queue): New static variable.
940 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
941 (cgraph_varpool_output_debug_info): New function.
942 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
943 * Makefile.in: Add gt-cgraphunit.h
945 2006-08-24 Jan Hubicka <jh@suse.cz>
947 * predict.c (probability_reliable_p): New predicate.
948 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
949 (predict_loops): Do not predict loop exit with less than 2%
951 * basic-block.h (edge_probability_reliable_p,
952 br_prob_note_reliable_p): Declare.
953 * ia64.h (ia64_print_operand): Do not disable on-chip branch
954 prediction when static predictor is not reliable.
955 * rs6000.c (output_cbranch): Likewise.
957 2006-08-23 Stuart Hastings <stuart@apple.com>
960 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
961 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
963 2006-08-21 Geoffrey Keating <geoffk@apple.com>
966 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
967 complex values, nor for generic vector values.
969 2006-08-22 Richard Guenther <rguenther@suse.de>
972 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
973 parameter. Convert arguments to arithmetic expression to the
975 (analyze_scalar_evolution_1): Adjust caller.
977 2006-08-22 Jan Hubicka <jh@suse.cz>
979 Patch by Paolo Bonzini
980 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
983 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
985 PR tree-optimization/28003
986 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
987 before grouping aliases.
989 2006-08-22 Roger Sayle <roger@eyesopen.com>
991 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
992 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
994 2006-08-21 Jason Merrill <jason@redhat.com>
997 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
998 wrapper. Loop to handle nested wrappers.
999 (gimplify_bind_expr): Remove temp parameter.
1000 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1001 and STATEMENT_LIST on the rhs.
1002 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1003 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1004 (gimplify_target_expr): Remove special BIND_EXPR handling.
1006 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1008 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1011 2006-08-21 Olivier Hainque <hainque@adacore.com>
1013 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1014 Arrange for the temporary captures of components overlapping the lhs
1015 to happen before the lhs is possibly cleared.
1017 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1019 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1020 necessary places to pass the correct "number of registers" values
1023 2006-08-20 Jan Hubicka <jh@suse.cz>
1025 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1026 (create_name_tags): Instead of quadratic checking use hashtable.
1027 * bitmap.h: Include hashtab.h.
1028 (bitmap_hash): Declare.
1029 * bitmap.c (bitmap_hash): New function.
1031 2006-08-20 Jan Hubicka <jh@suse.cz>
1033 PR rtl-optimization/28071
1034 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1036 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1037 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1038 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1039 cgraph_decide_inlining_incrementally): Update use of
1040 cgraph_check_inline_limits.
1041 * cgraph.c (edge_hash, edge_eq): New function.
1042 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1043 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1044 cgraph_remove_node): Maintain call site hash.
1045 * cgraph.h (struct cgraph_node): Add call_site_hash.
1046 (cgraph_set_call_stmt): New function.
1048 2006-08-20 Jan Hubicka <jh@suse.cz>
1050 PR rtl-optimization/28071
1051 * reload1.c (reg_has_output_reload): Turn into regset.
1052 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1053 choose_reload_regs, emit_reload_insns): Update to new
1054 reg_has_output_reload.
1056 2006-08-20 Jan Hubicka <jh@suse.cz>
1059 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1060 function body sizes.
1061 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1063 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1066 * tree.c (handle_dll_attribute): Return early if not a
1067 var or function decl.
1069 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1072 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1073 alignment of SPE vector types.
1075 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1077 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1079 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1082 * cgraph.h (struct cgraph_node): Remove externally_visible
1084 * cgraphunit.c (process_function_and_variable_attributes): Set
1085 local.externally_visible rather than externally_visible.
1088 * c-common.c (handle_externally_visible_attribute): First look
1089 at TREE_CODE and only if it is function or var decl, check for
1090 non-public objects. Don't warn for DECL_EXTERNAL.
1091 * cgraphunit.c (process_function_and_variable_attributes): Warn
1092 if externally_visible attribute is used on non-public object.
1094 2006-08-17 Jan Hubicka <jh@suse.cz>
1096 PR tree-optimization/27865
1097 * reload1.c (forget_marked_reloads): New function.
1098 (forget_old_reloads_1): When data are passed, just mark the registers
1100 (reload_as_needed): Use the new mechanizm.
1102 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1105 * reload.h (reg_equiv_alt_mem_list): New declaration.
1106 * reload1.c (reg_equiv_alt_mem_list): New definition.
1107 (reload): Initialize it and release it.
1108 (delete_output_reload): Use it.
1109 * reload.c (push_reg_equiv_alt_mem): New function.
1110 (find_reloads_toplev): Call it.
1111 (find_reloads_address, find_reloads_address_1): Likewise.
1112 (find_reloads_subreg_address): Likewise.
1114 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1116 PR rtl-optimization/28489
1117 * sched-ebb.c (begin_schedule_ready): Create basic block
1119 (advance_target_bb): Skip empty blocks.
1120 * haifa-sched.c (bb_note): Make global.
1121 * sched-int.h (bb_note): Add prototype.
1123 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1125 PR tree-optimization/27865
1126 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1128 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1129 fold_used_pointer, pointer_used_p): New functions.
1130 (analyze_scalar_evolution_1): Use fold_used_pointer.
1131 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1132 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1135 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1138 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1139 or the INTEGER_CST. Fail on a CALL_EXPR.
1140 (fold_offsetof): Pass new argument to fold_offsetof_1.
1141 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1142 operand into an INDIRECT_REF.
1143 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1145 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1147 PR gcov/profile/26570
1148 * value-prof.c (static_values): Removed.
1149 (tree_find_values_to_profile): Do not set static_values.
1150 (find_values_to_profile): Do not free static_values.
1151 * profile.c (instrument_values): Do not free the values.
1152 (branch_prob): Free the values.
1154 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1156 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1158 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1161 * c-typeck.c (build_component_ref): Combine qualifiers of
1162 structure or union and field.
1164 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1166 PR rtl-optimization/28071
1167 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1168 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1169 * tree-into-ssa.c (struct dom_dfsnum): New.
1170 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1172 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1173 compute_global_livein.
1174 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1175 in phi nodes in the correct blocks.
1177 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1179 PR tree-optimization/28364
1180 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1182 (fold_affine_expr): New function.
1183 (may_eliminate_iv): Use fold_affine_expr.
1185 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1188 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1191 2006-08-16 Mike Stump <mrs@apple.com>
1193 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1194 * doc/cppopts.texi (-MD): Likewise.
1196 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1199 * c-common.c (handle_weak_attribute): Ignore and warn if
1200 not a FUNCTION_ or VAR_DECL.
1202 2006-07-15 Mike Stump <mrs@apple.com>
1205 * c-parser.c (c_parser_typeof_specifier): Don't use
1206 c_finish_expr_stmt, open code desired semantics instead.
1208 2006-08-15 Nick Clifton <nickc@redhat.com>
1210 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1211 fragment to tmake_file only if threads are enabled.
1212 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1213 * config/i386/t-gthr-win32: New file. ... here.
1215 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1218 * c-parser.c (c_parser_compound_statement_nostart): Reset
1219 parser->error after each statement.
1221 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1224 * omp-low.c (lower_omp_parallel): Convert t to
1225 receiver_decl's type.
1226 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1227 source before comparison.
1230 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1231 to itype in assignment to oldival2.
1233 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1237 * c-typeck.c (build_compound_expr): If the second expression
1238 is an error mark, then just return an error mark instead of
1239 creating a COMPOUND_EXPR.
1241 2006-07-14 Mike Stump <mrs@apple.com>
1243 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1245 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1247 * c-decl.c, var-tracking.c: Fix comment typos.
1249 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1251 PR rtl-optimization/28634
1252 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1253 for floating-point modes unless flag_unsafe_math_optimizations.
1255 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1256 Andrew Pinski <pinskia@physics.uc.edu>
1259 * tree.c (build_array_type): Unify array types with
1260 unspecified index_type.
1261 * c-decl.c (grokdeclarator): Make sure we do not modify a
1262 unified incomplete array type.
1263 * c-typeck.c (store_init_value): Create distinct type before
1264 filling in the index type in an initializer from a compound
1267 * c-decl.c (grokdeclarator): Remove code where we copy the
1270 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1272 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1273 into account for TODO_dump_cgraph.
1274 (TODO_update_ssa_no_phi): Likewise.
1275 (TODO_update_ssa_full_phi): Likewise.
1276 (TODO_update_ssa_only_virtuals): Likewise.
1277 (TODO_remove_unused_locals): Likewise.
1278 (TODO_set_props): Likewise.
1279 (TODO_update_stmt_usage): Likewise.
1281 2006-08-13 Dirk Mueller <dmueller@suse.de>
1283 * c-common.c (strict_aliasing_warning): Fix formatting.
1285 2006-08-13 Matthias Klose <doko@debian.org>
1287 * doc/invoke.texi: Fix spelling errors.
1289 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1291 PR rtl-optimization/23454
1292 * reorg.c (relax_delay_slots): Update comment.
1294 2006-08-11 Richard Guenther <rguenther@suse.de>
1297 * simplify-rtx.c (simplify_const_relational_operation):
1298 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1301 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1303 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1304 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1306 2006-08-10 Paul Brook <paul@codesourcery.com>
1308 * final.c (final_scan_insn): Clear current_insn_predicate before
1309 outputting inline asm.
1311 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1313 PR tree-optimization/26197
1314 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1315 get_ref_base_and_extent and overlap_subvar to add only relevant
1316 subvars as may-aliases.
1317 (add_may_alias_for_new_tag): New function, factored out of
1319 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1320 with additional argument.
1321 * tree-flow.h (new_type_alias): Takes additional argument.
1323 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1325 * gcov.c (no_data_file): New flag.
1326 (read_count_file): Set it if data file not present. Assume counts
1328 (output_lines): Don't name the data file, if there wasn't one.
1330 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1332 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1333 (rs6000_generate_compare): Tweak comments.
1334 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1336 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1338 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1339 (var_debug_decl): New function.
1340 (var_reg_set): Follow debug decl link. Add location even if
1341 reg is already known to hold some other variable.
1342 (var_mem_set): Follow debug decl link.
1343 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1344 decl link. Delete other known locations of the variable part
1346 (var_reg_delete, var_mem_delete): Delete other known locations
1347 of the variable part if requested.
1348 (same_variable_part_p): New function.
1349 (add_stores): Select MO_COPY when appropriate.
1350 (vt_initialize): Handle it.
1351 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1352 known locations for MO_SET and MO_CLOBBER.
1353 (find_variable_location_part): New function.
1354 (set_variable_part, delete_variable_part): Use it.
1355 (clobber_variable_part): New function.
1356 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1359 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1361 PR tree-optimization/26969
1362 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1363 with an empty list of PHIs.
1365 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1369 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1372 2006-08-06 Andreas Schwab <schwab@suse.de>
1374 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1375 string. Whitespace and comment fixup.
1377 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1380 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1384 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1387 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1389 2006-08-04 Jan Hubicka <jh@suse.cz>
1393 * reload.c (push_reload): Patch out the mismatching instruction;
1395 (find_reload): Bail out if the instruction was patched out.
1397 2006-08-04 Jan Hubicka <jh@suse.cz>
1399 PR tree-optimization/24888
1400 * tree-inline.c (expand_call_inline): Do not re-record variables.
1401 (declare_inline_vars): Add variable to unexpanded_var_list.
1403 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1404 Roger Sayle <roger@eyesopen.com>
1406 PR rtl-optimization/26244
1407 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1408 inner_const are negative or greater than or equal to the bitsize of
1409 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1410 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1411 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1412 CONST0_RTX (mode) when the new shift count is greater than or equal to
1413 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1416 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1418 * tree-cfg.c: Fix a comment typo.
1420 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1423 * varasm.c (output_constant): Give the front end another chance to
1424 expand constants, after stripping NOPs.
1426 2006-08-03 Jan Hubicka <jh@suse.cz>
1428 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1431 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1433 PR tree-optimization/27770
1434 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1435 declaration removed (moved to tree-flow.h).
1436 (vect_can_force_dr_alignment_p): Likewise.
1437 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1438 (moved from tree-vectorizer.h).
1439 (vect_can_force_dr_alignment_p): Likewise.
1440 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1441 from outside the vectorizer - in particular from cgraph stage.
1442 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1443 the alignment of global arrays when -fsection-anchors is enabled.
1444 * cgraphunit.c (cgraph_increase_alignment): New function.
1445 (cgraph_optimize): Call cgraph_increase_alignment.
1447 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1450 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1451 not reload a SPE symbol_ref into a lo_sum address.
1453 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1456 * dwarf2out.c (prune_unused_types_prune): Move call to
1457 prune_unused_types_update_strings to cover the parent DIE also.
1459 2006-08-02 Jan Hubicka <jh@suse.cz>
1461 PR gcov/profile/28480
1462 * tree-cfg.c (change_bb_for_stmt): New function.
1463 (tree_merge_blocks, tree_split_blocks): Use it.
1465 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1471 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1472 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1473 (cgraph_optimize): Likewise.
1475 2006-08-01 Stuart Hastings <stuart@apple.com>
1477 * rtl.h (UINTVAL) New.
1478 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1479 * testsuite/gcc.dg/20060801-1.c: New.
1481 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1484 * c-typeck.c (build_external_type): Mark used enum types.
1485 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1487 (gen_subprogram_die): Whitespace fix.
1489 2006-08-01 Jan Hubicka <jh@suse.cz>
1491 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1492 bitmap when not needed.
1493 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1496 2006-08-01 Dirk Mueller <dmueller@suse.de>
1498 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1500 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1502 * Makefile.in: Revert part of previous patch:
1503 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1506 2006-07-30 Eric Christopher <echristo@apple.com>
1509 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1510 (PowerPC Variable Attributes): New section.
1512 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1514 PR target/28126 (partial fix)
1515 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1517 2006-07-28 Jan Hubicka <jh@suse.cz>
1519 PR rtl-optimization/28071
1520 * cfgrtl.c (rtl_delete_block): Free regsets.
1521 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1523 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1525 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1526 and variables used in dependencies.
1528 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1530 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1531 %fs for -mcmodel=kernel.
1532 (stack_tls_protect_test_di): Likewise.
1534 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1536 * Makefile.in: Use mkinstalldirs.
1538 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1541 * opts-common.c (prune_options): Skip joined switches.
1543 2006-07-27 Jan Hubicka <jh@suse.cz>
1545 PR rtl-optimization/28071
1546 * cselib.c (cselib_process_insn): Don't remove useless values too
1547 often for very large hashtables.
1549 2006-07-27 Jan Hubicka <jh@suse.cz>
1551 PR rtl-optimization/28071
1552 * global.c (greg_obstack): New obstack.
1553 (allocate_bb_info): Use it.
1554 (free_bb_info): Likewise.
1555 (modify_reg_pav): Likewise.
1557 2006-07-27 Roger Sayle <roger@eyesopen.com>
1559 * builtins.c (fold_fixed_mathfn): When long and long long are the
1560 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1561 functions to their lceil*, lfloor*, lround* and lrint* forms.
1563 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1566 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1568 (rev_branch_insn): Likewise.
1570 2006-07-27 Jan Hubicka <jh@suse.cz>
1572 PR rtl-optimization/28071
1573 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1574 (reg_set_in_bb, max_reg_computed): New static variables.
1575 (regmove_optimize): Free the new array.
1576 (fixup_match_1): Update call of reg_is_remote_constant_p.
1578 2006-07-26 Jan Hubicka <jh@suse.cz>
1580 PR tree-optimization/27882
1581 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1583 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1585 (cgraph_analyze_compilation_unit): Likewise.
1586 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1587 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1588 (cgraph_early_inlinine): Make order garbage collected.
1589 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1591 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1593 * dbxout.c (output_types_sort): Add a comment.
1594 (output_used_types): Free the VEC.
1596 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1598 * function.c (reorder_fix_fragments): Delete.
1599 (reorder_blocks): Don't call it.
1600 (reorder_blocks_1): Put all subblocks under the origin block.
1602 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1604 PR rtl-optimization/27907
1605 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1608 2006-07-25 Roger Sayle <roger@eyesopen.com>
1611 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1612 bar(x) check that bar's result type can represent all the values of T.
1614 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1616 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1618 2006-07-25 Nick Clifton <nickc@redhat.com>
1620 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1621 size_lookup[] array.
1622 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1623 (ggc_pch_count_object): Likewise.
1624 (ggc_pch_alloc_object): Likewise.
1625 (ggc_pch_write_object): Likewise.
1626 (init_ggc): Do not attempt to initialize entries in the
1627 size_lookup[] array for objects whose size is greater than than
1628 the length of the array.
1630 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1632 * dbxout.c (output_used_types_helper): Push queued types
1634 (output_types_sort): New.
1635 (output_used_types): Collect used types on a VEC and sort them
1638 2006-07-24 Richard Guenther <rguenther@suse.de>
1641 * cgraph.c (cgraph_remove_node): Do not check if dumps
1643 * cgraphunit.c (cgraph_optimize): Likewise.
1645 2006-07-24 Jan Hubicka <jh@suse.cz>
1647 PR rtl-optimization/28071
1648 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1649 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1650 splitting before first stmt.
1652 2006-07-24 Jan Hubicka <jh@suse.cz>
1654 PR rtl-optimization/28071
1655 * ipa-inline.c (update_caller_keys): Remove edges that
1656 are no longer inline candidates.
1658 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1661 * dbxout.c (output_used_types_helper, output_used_types): New.
1662 (dbxout_symbol): Call output_used_types.
1664 2006-07-23 Jan Hubicka <jh@suse.cz>
1668 * cgraph.c (cgraph_varpool_nodes): Export.
1669 (decide_is_variable_needed): Ignored "used" attribute in
1670 unit-at-a-time mode.
1671 * cgraph.h (cgraph_varpool_nodes): Declare.
1672 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1673 unit-at-a-time mode.
1675 2006-07-23 Roger Sayle <roger@eyesopen.com>
1678 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1679 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1680 the __gthrw form of thr_keycreate.
1681 (__gthread_key_delete): Silence the unused argument warning.
1683 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1686 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1687 Cache the last found '\0' marker to avoid quadratic behavior.
1689 2006-07-23 Jan Hubicka <jh@suse.cz>
1691 * i386.md (subsi_3_zext): Fix output template.
1693 2006-07-21 Mike Stump <mrs@apple.com>
1695 * doc/invoke.texi (C++ Dialect Options): Note that
1696 -fvisibility-inlines-hidden doesn't affect explicitly
1697 instantiationed inline methods.
1699 2006-07-20 Roger Sayle <roger@eyesopen.com>
1701 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1702 if the target assembler is GNU binutils' gas.
1703 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1704 whether to pass GNU gas or native as command line options.
1706 2006-07-20 Jason Merrill <jason@redhat.com>
1708 * tree.c (remove_attribute): New fn.
1709 * tree.h: Declare it.
1711 2006-07-20 Paul Brook <paul@codesourcery.com>
1714 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1715 they are invalidated by this instruction.
1717 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1720 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1722 2006-07-20 Eric Christopher <echristo@apple.com>
1725 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1727 2006-07-19 Eric Christopher <echristo@apple.com>
1729 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1730 Rewrite dependencies for libgcc_s.1.dylib.
1732 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1734 * except.c (duplicate_eh_regions_1): Clear next_peer.
1736 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1738 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1739 -mlongcall does not guarantee all calls will be long.
1740 * doc/extend.texi (long_call/short_call): Document that longcall
1741 does not guarantee a long call will be used.
1742 (longcall/shortcall): Likewise.
1744 2006-07-18 Roger Sayle <roger@eyesopen.com>
1747 * expmed.c (expand_shift): Additionally check that the shift_cost
1748 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1749 before implementing a LSHIFT_EXPR as a sequence of additions.
1750 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1751 middle-end that DImode shifts need to be synthesized by expand.
1753 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1756 * tree-ssa-operands.c (access_can_touch_variable): Update
1758 Return true if ALIAS is .GLOBAL_VAR.
1760 2006-07-18 David Daney <ddaney@avtrex.com>
1762 * gcc.c (display_help): Fix typo in help text.
1764 2006-07-18 Olivier Hainque <hainque@adacore.com>
1766 * tree.h (categorize_ctor_elements): Adjust prototype and add
1767 descriptive comment, both in accordance with the interface change
1769 * varasm.c (constructor_static_from_elts_p): New function.
1770 Whether a constructor node is a valid static constant initializer
1771 if all its elements are.
1772 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1773 * output.h: Declare it.
1774 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1775 is a valid constant initializer instead of computing the number of
1776 non-constant elements. Use constructor_static_from_elts_p for this
1777 purpose. Replace the head comment with an indication that this is a
1778 helper for categorize_ctor_elements.
1779 (categorize_ctor_elements): Same interface change as for the _1
1780 helper. Former head comment from this helper moved here, adjusted to
1781 account for the interface changes.
1782 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1783 (all_zeros_p): Likewise.
1784 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1785 static versions of the constructor from the categorize_ctor_elements
1786 return value instead of the formerly computed number of non-constant
1789 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1791 * configure: Regenerate.
1792 * Makefile.in (build_libsubdir): New configure substitution
1793 (build_libobjdir): New variable.
1794 (BUILD_LIBIBERTY): Use it.
1796 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1799 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1801 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1804 * c-common.c (handle_weakref_attribute): Ignore attribute in
1805 the same conditions the alias attribute is ignored.
1807 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1809 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1810 (dbxout_begin_prologue): Increment scope_labelno.
1812 2006-07-17 Richard Henderson <rth@redhat.com>
1815 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1818 2006-07-17 Roger Sayle <roger@eyesopen.com>
1819 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1821 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1822 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1823 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1824 functions such as sbrk, write, etc.. Add function prototypes.
1825 Convert function declarations from K&R to ISO C. Cast pointers
1826 to "long" and "unsigned long" instead of "int" and "unsigned int".
1827 Convert tokens following #endif into comments.
1829 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1831 * invoke.texi: Remove mention of f77; Reformat table for
1832 inline parameter options correctly; mention that -malign-double
1833 is default on x86-64 targets.
1835 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1837 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1838 (convert_affine_scev, chrec_convert_aggressive): Use
1839 avoid_arithmetics_in_type_p. Do not check for the subtypes
1842 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1845 * optabs.c (expand_doubleword_shift): Wrap the call to
1846 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1848 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1851 * optabs.c (expand_binop): Pass next_methods rather than methods
1852 to expand_doubleword_shift.
1854 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1857 * tree.h (dump_addr): Declare.
1858 * print-tree.c (dump_addr): New function.
1859 (print_node_brief, print_node): Use it.
1860 * print-rtl.c (print_rtx): Likewise.
1861 * common.opt (-fdump-noaddr): New option.
1862 * doc/invoke.texi (-fdump-noaddr): Document.
1863 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1864 (ve_info_hash): Likewise.
1866 2006-07-13 Andrew Haley <aph@redhat.com>
1868 PR tree-optimization/19505
1869 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1870 edge leaving this block, make sure that the destination of this
1871 block has only one predecessor.
1873 2006-07-17 Richard Guenther <rguenther@suse.de>
1875 PR tree-optimization/28238
1876 * tree-inline.c (copy_bb): Check if we produced valid
1877 gimple copying and substituting a stmt. If not, gimplify
1880 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1882 * optabs.c (maybe_encapsulate_block): New function extracted from...
1883 (emit_libcall_block): ...here. Invoke it on the block of insns to
1884 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1885 (emit_no_conflict_block): Likewise.
1887 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1889 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1891 2006-07-15 Roger Sayle <roger@eyesopen.com>
1893 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1894 a new NOP_EXPR case of the switch statement.
1896 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1899 * stor-layout.c (place_field): Take the bit field with
1900 an excessive size into account in the ms-bitfiled case.
1903 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1904 the previous bit field.
1906 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1909 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1911 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1913 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1914 signal frames correctly even when the signal was installed with
1917 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1919 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1920 (dbxout_function_end): Use local label LFBB. Remove hook
1922 (dbxout_source_line): Use local label LFBB.
1923 (dbxout_block): Likewise.
1924 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1925 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1926 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1927 and DBX_OUTPUT_NFUN.
1929 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1931 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1933 2006-07-13 Jan Hubicka <jh@suse.cz>
1935 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1937 * output.h (align_variable): Declare.
1938 * varasm.c (align_variable): Export.
1939 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1940 when basic block changed.
1942 2006-07-13 Nick Clifton <nickc@redhat.com>
1944 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1945 walking the LOG_LINKS chain.
1947 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1949 * doc/invoke.texi (C++ Dialect Options): Explain difference
1950 between -fvisibility-inlines-hidden and setting hidden
1951 visibility explicitly.
1953 2006-07-12 Eric Christopher <echristo@apple.com>
1955 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1956 (stmp-lipo): Depend on libgcc.a.
1958 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1960 * tree.c: Fix a comment typo.
1962 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1964 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1966 (umulhisi3_r): Likewise.
1968 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1971 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1972 x < 19, vs wchar_t support.
1974 2006-07-12 Nick Clifton <nickc@redhat.com>
1976 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1977 instead of -isa=sh4.
1979 2006-07-12 Mike Stump <mrs@apple.com>
1981 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1983 2006-07-10 Eric Christopher <echristo@apple.com>
1985 * config/t-slibgcc-darwin: Rewrite.
1987 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1990 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1993 2006-07-08 Matthias Klose <doko@debian.org>
1995 * doc/sourcebuild.texi: Fix typo.
1997 2006-07-07 Mike Stump <mrs@apple.com>
1999 * toplev.c (process_options): Don't give -ffunction-sections may
2000 affect debugging warning for Mach-O.
2002 2006-07-07 James E Wilson <wilson@specifix.com>
2004 * config/mips/mips.md (cpu): Add sb1a.
2005 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2006 addition to sb1. Adjust comments to clarify SB-1A differences from
2008 (ir_sb1a_load): New. Modify bypasses to use it.
2009 (ir_sb1a_simple_alu): Likewise.
2010 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2011 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2012 (mips_issue_rate): Add PROCESSOR_SB1A.
2013 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2014 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2015 (TARGET_SB1): Add PROCESSOR_SB1A check.
2016 (TUNE_SB1): Likewise.
2018 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2019 * config/mips/mips.c (mips_store_data_bypass_p): New.
2020 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2021 store_data_bypass_p.
2023 2006-07-08 Paul Brook <paul@codesourcery.com>
2026 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2028 2006-07-07 Richard Guenther <rguenther@suse.de>
2031 * tree.h (build_one_cst): Declare.
2032 * tree.c (build_one_cst): New function.
2033 * tree-ssa-math-opts.c (get_constant_one): Remove.
2034 (insert_reciprocals): Use build_one_cst.
2035 * fold-const.c (fold_plusminus_mult): Likewise.
2037 2006-07-07 Roger Sayle <roger@eyesopen.com>
2039 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2040 * cfgloopanal.c (dump_graph): Likewise.
2041 * dojump.c (discard_pending_stack_adjust): Likewise.
2042 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2044 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2045 * function.c (finalize_block_changes): Likewise.
2046 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2047 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2048 * rtl.c (dump_rtx_statistics): Likewise.
2049 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2051 * varray.c (dump_varray_statistics): Likewise.
2052 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2053 decode_decimal64, encode_decimal128, decode_decimal128,
2054 decimal_real_to_decimal): Likewise.
2056 2006-07-07 Richard Guenther <rguenther@suse.de>
2058 PR tree-optimization/28187
2059 * tree-vrp.c (vrp_operand_equal_p): New function.
2060 (vrp_bitmap_equal_p): Likewise.
2061 (update_value_range): Use them to compare old and new
2064 2006-07-06 Roger Sayle <roger@eyesopen.com>
2066 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2067 a default case to switch statement to silence compiler warnings.
2069 2006-07-06 Roger Sayle <roger@eyesopen.com>
2072 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2073 the configured assembler supports the x87's ffreep mnemonic.
2074 * configure: Regenerate.
2075 * config.in: Regenerate.
2077 * config/i386/i386.c (output_387_ffreep): New function.
2078 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2079 (output_387_reg_move): Likewise.
2081 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2083 Port to hosts whose 'sort' and 'tail' implementations
2084 treat operands with leading '+' as file names, as POSIX
2085 has required since 2001. However, make sure the code still
2086 works on pre-POSIX hosts.
2087 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2088 which says you should use "tail -c +N" rather than "tail +Nc".
2089 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2091 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2093 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2096 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2099 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2100 PRE_{INC,DEC} of TFmode.
2102 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2103 Alan Modra <amodra@bigpond.net.au>
2106 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2109 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2112 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2113 Remove duplicate gtu.
2115 2006-07-05 Jason Merrill <jason@redhat.com>
2119 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2120 * c-common.c (handle_packed_attribute): So don't copy it here.
2121 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2123 2006-07-05 Mike Stump <mrs@apple.com>
2125 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2127 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2130 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2132 2006-07-05 Richard Guenther <rguenther@suse.de>
2135 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2136 TARGET_SSE2 targets if using SSE math.
2137 (*absdf2_1): Likewise.
2139 2006-07-05 Richard Guenther <rguenther@suse.de>
2141 PR tree-optimization/28162
2142 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2143 make sure to convert the operands to the correct type.
2145 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2147 PR tree-optimization/28218
2149 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2150 to calculate and free the dominator information.
2152 2006-07-04 Peter O'Gorman <peter@pogma.com>
2154 * mklibgcc.in: chmod 644 before ranlib during install.
2156 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2157 J"orn Rennecke <joern.rennecke@st.com>
2159 * configure.ac (.eh_frame data check): Use diff -b.
2161 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2164 * Makefile.in (BUILD_RTL): Add build/vec.o.
2165 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2166 (build/genextract): Delete.
2167 (build/genautomata): Likewise.
2169 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2172 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2173 128-bit IBM long doubles for ABI_V4.
2175 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2177 * tree.c (range_in_array_bounds_p): New predicate.
2178 * tree.h (range_in_array_bounds_p): Declare it.
2179 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2180 return a less conservative answer.
2181 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2182 and flag 'is_group'.
2183 (IS_ELEMENT_FOR_GROUP): New macro.
2184 (FOR_EACH_ACTUAL_CHILD): Likewise.
2185 (next_child_for_group): New helper function.
2186 (can_completely_scalarize_p): Take into account groups.
2187 (sra_hash_tree): Handle RANGE_EXPR.
2188 (sra_elt_eq): Likewise.
2189 (lookup_element): Be prepared for handling groups.
2190 (is_valid_const_index): Delete.
2191 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2192 instead of is_valid_const_index.
2193 <ARRAY_RANGE_REF>: New case.
2194 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2195 is_valid_const_index.
2196 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2197 (scan_dump): Dump info for groups too.
2198 (decide_instantiation_1): Likewise.
2199 (decide_block_copy): Assert that the element is not a group.
2200 Propagate decision to groups.
2201 (generate_one_element_ref): Handle RANGE_EXPR.
2202 (mark_no_warning): Iterate over actual childs.
2203 (generate_copy_inout): Likewise.
2204 (generate_element_copy): Likewise.
2205 (generate_element_zero): Likewise.
2206 (generate_element_init_1): Likewise.
2207 (dump_sra_elt_name): Handle RANGE_EXPR.
2209 2006-07-03 Roger Sayle <roger@eyesopen.com>
2211 PR tree-optimization/26251
2212 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2213 (thread_block): When optimizing for size refuse to thread jumps
2214 that would require duplication of blocks other than redirection
2217 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2219 * configure.ac: Fix thinko in previous check-in.
2220 * configure: Regenerate.
2222 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2225 * configure.ac (for lang...): Simplify nesting of conditionals.
2226 Test subdir_requires for non-enabled languages. Move processing
2227 of lang_opt_files and lang_tree_fiels below that test.
2228 * configure: Regenerate.
2229 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2231 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2233 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2235 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2237 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2240 2006-06-29 Jason Merrill <jason@redhat.com>
2247 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2248 * c-common.c (c_determine_visibility): Handle it here.
2249 * c-decl.c (finish_decl): Call c_determine_visibility for
2251 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2253 * varasm.c (default_assemble_visibility): Likewise.
2254 * c-common.c (handle_visibility_attribute): Complain about trying
2255 to give visibility to an already defined class, or trying to change
2256 declared visibility. Always attach the attribute.
2261 * attribs.c (decl_attributes): Ignore type-in-place attributes
2262 once the type has been defined.
2264 2006-06-29 Roger Sayle <roger@eyesopen.com>
2267 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2268 to indicate the cpplib has issued an error message for us.
2270 2006-06-29 Asher Langton <langton2@llnl.gov>
2273 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2274 insert a label at the end of an function under Mach-O.
2276 2006-06-29 Eric Christopher <echristo@apple.com>
2277 Evan Cheng <evan.cheng@apple.com>
2279 * predicates.md (vector_all_ones_operand): New.
2280 (nonimmediate_or_sse_const_operand): Ditto.
2281 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2282 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2283 (standard_sse_mode_p): Ditto.
2284 (standard_sse_constant_p): Add case for -1 vector.
2285 (ix86_expand_vector_move): Try to use.
2286 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2287 Call standard_sse_constant_opcode.
2288 (*movv4sf_internal): Ditto.
2289 (*movv2df_internal): Ditto.
2291 2006-06-29 Roger Sayle <roger@eyesopen.com>
2293 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2294 of XEXP to extract the operands of a MATCH_CODE rtx.
2296 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2298 * tree.c (tree_size): Do not waste tail padding in
2299 struct tree_string and make the size be the same as
2300 build_string will generate.
2302 2006-06-28 Jason Merrill <jason@redhat.com>
2305 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2306 may_aliases already in the tag's annotations to the bitmap.
2308 2006-06-28 Roger Sayle <roger@eyesopen.com>
2310 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2312 2006-06-28 Roger Sayle <roger@eyesopen.com>
2314 * genpreds.c (generate_switch_p): New function.
2315 (add_mode_tests): Push the new mode test down inside an AND expr
2316 if this allows the switch-suitable MATCH_CODE to be near the root.
2317 (write_match_code_switch): New function to write a MATCH_CODE as
2319 (write_predicate_stmts): New function to write a predicate RTX
2320 expression as a sequence of statements.
2321 (write_one_predicate_function): Use write_predicate_stmts.
2322 (write_tm_constrs_h): Likewise.
2324 2006-06-26 Fred Fish <fnf@specifix.com>
2326 * config/mips/t-sb1: New file.
2327 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2330 2006-06-26 DJ Delorie <dj@redhat.com>
2332 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2334 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2335 Jayant Sonar <jayants@kpitcummins.com>
2336 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2338 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2339 (subsi3, subsi3_1, subsi3_2): New.
2340 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2341 * config/m32c/mov.md (SI mov peephole): New.
2342 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2343 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2345 2006-06-26 Olivier Hainque <hainque@adacore.com>
2347 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2348 a CALL_EXPR target function declaration.
2350 2006-06-26 Richard Guenther <rguenther@suse.de>
2352 * tree.c (build_string): Do not waste tail padding in
2355 2006-06-26 Richard Guenther <rguenther@suse.de>
2357 * ggc-page.c (init_ggc): Add missing element to size_lookup
2361 2006-06-23 Richard Guenther <rguenther@suse.de>
2363 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2364 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2365 alignment requests instead. Add verification code.
2366 Add struct tree_function_decl and struct tree_binfo size to
2367 extra_order_size_table. Add missing element to size_lookup
2370 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2373 * fold-const.c (const_binop): Be prepared for self returning zero.
2374 Simplify code handling complex values.
2376 2006-06-24 Olivier Hainque <hainque@adacore.com>
2378 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2379 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2382 2006-06-24 Olivier Hainque <hainque@adacore.com>
2384 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2385 ARRAY_REF, so have the callback called for the low bound expression.
2387 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2389 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2390 * c-typeck.c (c_common_type): Disallow operations on decimal float
2391 types and other float types.
2392 * convert.c (convert_to_real): Don't ignore conversions involving
2393 decimal float types.
2395 2006-06-23 Olivier Hainque <hainque@adacore.com>
2397 * tree.c (max_int_size_in_bytes): New function, inspired from
2398 code in function.c:assign_temp.
2399 * tree.h (max_int_size_in_bytes): Declare.
2400 * function.c (assign_temp): Use it.
2401 * gimplify.c (create_tmp_var): Relax the assertions on the type
2402 properties, not mandating constant size any more.
2403 (force_constant_size): New static function.
2404 (gimple_add_tmp_var): Use it, forcing variable size to a
2405 constant upper bound if it is not constant on entry.
2407 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2410 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2411 for initialization and setting of one_only flag to ...
2412 (i386_pe_encode_section_info): ...here.
2413 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2414 Recheck that the symbol has not been defined.
2416 2006-06-23 Richard Guenther <rguenther@suse.de>
2418 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2419 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2420 alignment requests instead. Add verification code.
2421 Add struct tree_function_decl and struct tree_binfo size to
2422 extra_order_size_table. Add missing element to size_lookup
2425 2006-06-22 Roger Sayle <roger@eyesopen.com>
2426 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2429 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2430 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2432 2006-06-23 Ben Elliston <bje@au.ibm.com>
2434 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2435 negate dn -- manipulate it directly.
2437 2006-06-22 Roger Sayle <roger@eyesopen.com>
2438 Steven Bosscher <stevenb.gcc@gmail.com>
2441 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2442 generated by gen_move_insn to add REG_LABEL notes if necessary.
2444 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2446 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2447 (leaf_entry): Remove use of MIN_ESA.
2449 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2451 PR rtl-optimization/28121
2452 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2455 2006-06-21 DJ Delorie <dj@redhat.com>
2457 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2459 (mulhisi3_r): Likewise.
2461 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2464 * coverage.c (coverage_counter_alloc): Leave the index type
2466 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2469 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2471 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2472 section from the "Options for Code Generation Conventions".
2474 2006-06-21 Richard Henderson <rth@redhat.com>
2478 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2480 (global_symbolic_operand): Allow weak symbols, even if local_p.
2482 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2484 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2485 (find_interesting_uses_address): Punt if above function returns true.
2487 2006-06-21 Richard Guenther <rguenther@suse.de>
2489 * configure: Regenerated.
2491 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2493 * config/mips/mips.c (function_arg): Where one part of a
2494 complex argument is in registers and the other part in the stack,
2495 return a REG not a PARALLEL.
2497 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2499 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2500 when cross-compiling. Do not substitute libstdcxx_incdir.
2501 * configure: Regenerated.
2503 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2505 * varasm.c (mergeable_string_section): Check for embedded NULs and
2506 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2507 rather than TREE_STRING_LENGTH bytes.
2509 2006-06-21 Richard Guenther <rguenther@suse.de>
2511 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2512 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2515 2006-06-21 Richrad Guenther <rguenther@suse.de>
2517 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2518 Limit iteration over the dominators.
2520 2006-06-20 Roger Sayle <roger@eyesopen.com>
2522 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2523 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2525 2006-06-20 Richard Guenther <rguenther@suse.de>
2526 Michael Matz <matz@suse.de>
2528 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2530 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2531 * et-forest.h (et_free_pools): Prototype new function.
2532 * et-forest.c (et_free_tree_force): Free parent occurrence.
2533 (et_free_pools): New function.
2534 * dominance.c (free_dominance_info): Free et-forest alloc
2537 2006-06-20 Roger Sayle <roger@eyesopen.com>
2539 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2540 integer modes, attempt to directly construct an integer constant.
2542 * fold-const.c (native_encode_vector): Determine the size of each
2543 element from the vector type instead of the first vector element.
2545 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2546 if all of its elements/components are constant.
2547 (build_constructor_from_list): Likewise.
2549 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2551 PR tree-optimization/27331
2552 * tree-data-ref.c (free_data_ref): New function.
2553 (create_data_ref): Fail if the data reference has unknown access
2555 (free_data_refs): Use free_data_ref.
2557 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2560 * tree-inline.c (setup_one_parameter): Strip useless
2561 type conversion before adding it to the IR.
2562 (declare_return_variable): Likewise.
2564 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2567 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2569 2006-06-19 Mike Stump <mrs@apple.com>
2571 * tree.c (variably_modified_type_p): VM arguments don't make the
2574 2006-06-19 Richard Guenther <rguenther@suse.de>
2576 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2577 type conversions after folding.
2579 2006-06-19 Richard Guenther <rguenther@suse.de>
2581 * ggc-page.c (extra_order_size_tab): Add entries with
2582 size of struct function and basic_block.
2583 (size_lookup): Extend to cover sizes up to 511.
2584 (ggc_alloc_stat): Adjust user.
2585 (ggc_pch_count_object): Likewise.
2586 (ggc_pch_alloc_object): Likewise.
2587 (ggc_pch_write_object): Likewise.
2589 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2591 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2592 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2595 2006-06-19 Denis Chertykov <denisc@overta.ru>
2597 * config/avr/libgcc.S : Correct my wrong previous commit.
2599 2006-06-19 Roger Sayle <roger@eyesopen.com>
2602 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2603 have stripped a SUBREG from the shift count, so we may need to
2604 convert_to_mode back to the type's mode before calling make_tree.
2605 Use new_amount instead of amount to avoid expanding a tree twice.
2607 2006-06-19 Richard Guenther <rguenther@suse.de>
2610 * fold-const.c (operand_equal_p): Check if the argument types
2611 have the same precision before stripping NOPs.
2613 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2615 Fix PR tree-optimization/27341
2616 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2618 * tree-complex.c (pass_lower_complex): Update SMT usage.
2620 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2622 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2623 Add a new alternative to the constraint strings. Add move of
2624 operand 1 to 3 to the splitter definition.
2625 ("doloop_si_long"): Second contraint alternative removed.
2627 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2629 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2630 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2632 (AVR_HAVE_MOVW) Define.
2633 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2634 (ASM_SPEC): Add avr25.
2635 (LINK_SPEC): Add avr25.
2636 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2637 (base_arch_s): Add new member 'have_movw_lpmx'.
2638 (avr_arch_types): Init 'have_movw_lpmx'.
2639 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2640 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2641 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2642 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2643 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2645 (avr_file_start): Do not output '.arh' derective.
2646 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2647 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2648 * config/avr/avr.md (mcu_enhanced): Delete.
2649 (mcu_have_movw): Define.
2650 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2651 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2652 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2653 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2654 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2655 attiny861 and at86rf401 devices.
2657 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2659 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2662 2006-06-17 Karl Berry <karl@gnu.org>
2664 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2665 doc/gccint.texi, doc/install.texi (@dircategory): Use
2666 "Software development" instead of "Programming", following
2667 the Free Software Directory.
2669 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2671 * config/i386/i386.c (legitimate_tls_address)
2672 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2673 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2674 (*tls_dynamic_gnu2_combine_64): Likewise.
2676 2006-06-16 Richard Guenther <rguenther@suse.de>
2679 * fold-const.c (negate_expr_p): Do not introduce undefined
2680 overflow in negating INTEGER_CSTs.
2681 (fold_negate_expr): Rename from negate_expr. Revert last
2682 change for folding BIT_NOT_EXPR. Change semantics to
2683 return NULL_TREE for non-simplified negations. Do not
2684 strip type conversions and unify type handling.
2685 (negate_expr): New function, wrap around fold_negate_expr
2686 but ensure building a tree always. Strip type conversions
2687 here, fold to result type.
2688 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2690 2006-06-16 Roger Sayle <roger@eyesopen.com>
2693 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2694 that (would) return their results in stack registers.
2696 2006-06-16 Michael Matz <matz@suse.de>
2697 Richard Guenther <rguenther@suse.de>
2699 * fold-const.c (fold_truthop): Only return new tree node if
2700 we canonicalized something.
2702 2006-06-16 Richard Guenther <rguenther@suse.de>
2704 * function.h (enum function_frequency): Move declaration
2705 out of struct function.
2706 (struct function): Move bool fields and the enum to the bitfield
2707 section. Reorder elements to avoid padding. Remove unused
2708 fields left over from the RTL inliner removal.
2709 * function.c (free_after_compilation): Do not zero removed fields.
2710 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2711 (ipa-type-escape.o): Likewise.
2713 2006-06-16 Richard Guenther <rguenther@suse.de>
2715 * cgraph.h (struct cgraph_local_info): Turn bool elements
2717 (struct cgraph_node): Likewise.
2718 (struct cgraph_varpool_node): Likewise.
2720 2006-06-15 Richard Guenther <rguenther@suse.de>
2722 * fold-const.c (fold_truth_not_expr): Rename from
2723 invert_truthvalue. Give it fold_* semantics to avoid
2725 (invert_truthvalue): New function. Wrapper around
2726 fold_truth_not_expr.
2727 (optimize_minmax_comparison): Avoid creating garbage.
2728 (fold_unary): Use fold_truth_not_expr for folding
2730 (fold_ternary): Replace uses of invert_truthvalue with
2731 fold_truth_not_expr where applicable.
2732 * tree.h (fold_truth_not_expr): Prototype.
2734 2006-06-16 Richard Guenther <rguenther@suse.de>
2736 PR tree-optimization/27781
2737 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2738 * ipa-pure-const.c (target.h): Include.
2739 (analyze_function): Do not analyze functions that do not
2742 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2745 * tree-dfa.c (referenced_vars_dup_list): Remove.
2746 (find_referenced_vars): Remove assert.
2747 (referenced_var_check_and_insert): Replace dup list with assert.
2748 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2749 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2751 2006-06-15 Richard Guenther <rguenther@suse.de>
2753 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2754 extra unused identifiers if not dumping.
2755 (create_variable_info_for): Likewise.
2757 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2759 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2760 (derive_constant_upper_bound): Derive more precise upper bound in
2761 common cases. Return type changed to double_int.
2762 (record_estimate): Reflect the changed return type of
2763 derive_constant_upper_bound.
2764 * double-int.c (double_int_zext, double_int_sext): Fix.
2766 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2768 * configure.ac (CFLAGS): Get them from the toplevel or from the
2769 configure invocation.
2770 * configure: Regenerate.
2771 * Makefile.in (CFLAGS): Substitute value provided by configure.
2773 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2776 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2777 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2778 rather than calling add_stmt on it.
2779 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2781 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2784 * reload1.c (reload): Remove registers returned by update_eliminables
2785 from used_spill_regs.
2787 2006-06-13 DJ Delorie <dj@redhat.com>
2789 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2791 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2793 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2794 html__strip_dir, html__mkdir_p. Enhance install-html target.
2795 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2796 * configure: Regenerate.
2798 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2800 * fold-const.c (fold_cond_expr_with_comparison): Check for
2801 Objective-C++ as language in deciding COND_EXPR transformation.
2803 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2806 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2807 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2808 * config/sh/lib1funcs.h (SL, SL1): Define.
2809 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2810 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2811 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2812 (OBJS_Os_4_200): New variable.
2813 ($(T)libgcc-Os-4-200.a): Use it.
2814 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2815 when dividing 1 and/or by 0.
2817 2006-06-13 Roger Sayle <roger@eyesopen.com>
2819 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2820 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2821 * configure: Regenerate.
2823 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2825 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2826 for real instruction.
2828 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2831 * haifa-sched.c (check_cfg): Handle special case.
2833 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2836 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2837 Add debug_info parameter. Chain the vars to the BLOCK instead
2838 of the BIND_EXPR if debug info are requested for them.
2839 (pop_gimplify_context): Adjust for above change.
2840 (gimple_add_tmp_var): Likewise.
2841 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2843 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2844 (convert_local_reference): Likewise.
2845 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2846 (finalize_nesting_tree_1): Request that debug info be emitted
2847 for debug_var_chain.
2849 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2851 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2852 for PR target/27863.
2854 2006-06-13 Richard Guenther <rguenther@suse.de>
2857 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2859 2006-06-13 Richard Guenther <rguenther@suse.de>
2861 PR tree-optimization/27830
2862 * tree-inline.c (copy_body_r): For copying the operand
2863 of an ADDR_EXPR make sure to fold &* afterwards.
2865 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2867 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2868 lvalues in the fb_none case with side-effects.
2870 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2872 * tree-flow.h: Remove the prototype for
2873 compute_phi_arg_on_exit.
2874 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2875 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2878 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2880 * builtins.c (expand_builtin_return_addr): Only use
2881 frame_pointer_rtx when count == 0 and we are expanding
2882 __builtin_return_address.
2884 2006-06-12 Fred Fish <fnf@specifix.com>
2886 * config/mips/mips.c (mips_file_start): Create special section
2887 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2889 2006-06-11 Eric Christopher <echristo@apple.com>
2892 * stor-layout.c (place_field): Remove check for
2893 remaining_in_alignment when aligning at the end of a run.
2895 2006-06-11 Eric Christopher <echristo@apple.com>
2898 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2901 2006-06-11 Roger Sayle <roger@eyesopen.com>
2904 Revert incorrect fix for PR target/27158
2905 2006-05-08 Roger Sayle <roger@eyesopen.com>
2906 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2907 of a reg_equiv_constant if the result is a legitimate constant.
2909 2006-06-11 Roger Sayle <roger@eyesopen.com>
2912 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2913 extract a CONST_VECTOR element and interpret it as an integer.
2914 (vspltis_constant): Use const_vector_elt_as_int instead of the
2915 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2916 * config/rs6000/predicates.md (easy_vector_const): Consider
2917 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2919 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2922 * stor-layout.c (update_alignment_for_field): Don't add extra
2923 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2926 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2928 * config/mips/t-rtems: Add EL/EB multilib variants.
2930 2006-06-09 Mike Stump <mrs@apple.com>
2932 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2934 2006-06-09 David Daney <ddaney@avtrex.com>
2936 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2938 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2940 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2942 2006-06-09 Richard Guenther <rguenther@suse.de>
2944 PR tree-optimization/26998
2945 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2946 of signed types, only TYPE_MIN_VALUE is special, but for both,
2947 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2948 in this case, as is -fwrapv.
2950 2006-06-08 Mike Stump <mrs@apple.com>
2953 * config/darwin.c (darwin_asm_output_anchor): Disable
2954 -fsection-anchors on darwin for now.
2955 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2956 * rs6000/rs6000.c (optimization_options): Likewise.
2958 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2961 * config/i386/i386.c (classify_argument): Skip fields with invalid
2964 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2966 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2967 (cse_insn): Likewise for the stack_pointer_rtx.
2969 2006-06-08 Roger Sayle <roger@eyesopen.com>
2971 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2972 conditions from floating point comparisons.
2974 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2977 * expmed.c (struct alg_hash_entry): Fix type of field T
2978 to match synth_mult argument.
2979 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2981 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2984 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2987 2006-06-08 Richard Guenther <rguenther@suse.de>
2990 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2991 only, if overflow is defined and not trapping.
2992 (negate_expr): Likewise.
2994 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2996 PR tree-optimization/27872
2997 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2998 flag on the new exit edge of the unrolled loop.
3000 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3002 PR rtl-optimization/26449
3003 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3005 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3008 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3009 referenced_variables with matching DECL_UID's.
3010 (find_referenced_vars): Make sure duplicate list is empty to start.
3011 (referenced_var_p): Remove.
3012 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3013 Check if var is in the list, and add if needed. Update the duplicate
3014 list if a different var is in the list with the same DECL_UID.
3015 (add_referenced_var): Call routine to check and insert.
3016 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3017 * tree-flow.h (referenced_vars_dup_list): External declaration.
3019 2006-06-07 Fred Fish <fnf@specifix.com>
3021 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3024 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3027 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3028 the imaginary and real parts of a clobbered register.
3029 Emit insn to set the imaginary part.
3031 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3033 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3034 in lieu of unwind-dw2-fde.c.
3036 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3038 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3040 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3043 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3044 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3045 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3046 V4SImode temporaries and operations instead.
3048 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3050 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3053 2006-06-06 Mike Stump <mrs@apple.com>
3055 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3056 installing during build.
3058 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3060 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3062 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3063 * config/ia64/ia64.c (params.h): New header.
3064 (ia64_optimization_options): New function to adjust parameters.
3065 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3066 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3067 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3069 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3071 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3073 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3076 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3078 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3079 Victor Kaplansky <victork@il.ibm.com>
3081 PR tree-optimization/26360
3082 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3085 2006-06-04 Roger Sayle <roger@eyesopen.com>
3086 Andrew Pinski <pinskia@physics.uc.edu>
3089 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3090 for LABEL_DECL before calling DECL_WEAK.
3093 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3094 LABEL_DECL and PARM_DECL.
3096 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3100 * c-decl.c (grokdeclarator): Disallow variably modified types at
3101 file scope. Avoid marking shared array type of constant size as
3104 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3107 * c-common.c (fold_offsetof_1): Handle static members.
3109 2006-06-04 Eric Christopher <echristo@apple.com>
3111 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3112 (debug_rli): Output value for remaining_in_alignment.
3113 (update_alignment_for_field): Unconditionalize
3114 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3115 extra alignment code.
3116 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3117 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3118 * tree.h (record_layout_info_s): Remove prev_packed.
3119 * doc/extend.texi (ms_struct): Add documentation of format.
3121 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3123 * tree.h: Declare folding_initializer.
3124 * builtins.c (fold_builtin_constant_p): Give definite answer
3125 if folding inside an initializer.
3126 * fold-const.c: Define folding_initializer.
3127 (START_FOLD_INIT): Save and then set folding_initializer.
3128 (END_FOLD_INIT): Restore folding_initializer.
3130 2006-06-04 Richard Guenther <rguenther@suse.de>
3132 PR tree-optimization/27039
3133 * fold-const.c (fold_comparison): Handle pointer comparison
3134 again for all comparison codes. Compare offsets in signed
3136 (fold_binary): Move code from here.
3138 2006-06-03 Roger Sayle <roger@eyesopen.com>
3141 * config/i386/i386.c (construct_container): Split static issued_error
3142 flag into issued_sse_arg_error, issued_sse_ret_error and
3143 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3144 requires the use of x87 registers and the user explicitly
3145 specified the -mno-80387 command line option.
3147 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3149 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3150 HAVE_DECL_SIGALTSTACK.
3152 (segv_handler): Use MC_FLD.
3153 * configure.ac: Check for a sigaltstack declaration.
3154 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3155 * configure: Regenerate.
3156 * config.in: Regenerate.
3158 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3161 * Makefile.in (stmp-fixinc): Fix typo.
3163 2006-06-02 Roger Sayle <roger@eyesopen.com>
3165 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3166 are type correct. Clean-up.
3167 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3168 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3170 2006-06-01 DJ Delorie <dj@redhat.com>
3172 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3173 shift, as we've disabled the "switch" insn that needs it.
3175 2006-06-01 Per Bothner <bothner@bothner.com>
3177 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3178 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3179 * c-ppoutput.c (cb_define): Don't increment line 0.
3181 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3183 * doc/invoke.texi: Add cpu_type power6.
3184 * config.gcc: Add cpu_type power6.
3185 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3186 to power5+ with Altivec.
3187 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3188 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3190 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3192 * config/avr/avr.h (SET_ASM_OP): Define.
3194 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3196 * config/bfin/bfin.c: Fix comment typos.
3198 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3201 * doc/install.texi: Document --enable-bootstrap and
3202 --disable-bootstrap.
3204 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3206 * doc/install.texi: Document that InfoZIP can replace jar.
3208 2006-05-31 Roger Sayle <roger@eyesopen.com>
3210 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3211 isn't available, directly generate the simpler x87 patterns without
3212 the (use (const_int 0)).
3213 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3214 implementation isn't available.
3215 (*negdf2_1): Likewise.
3216 (*negxf2_1): XF mode negation is always done using the x87.
3217 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3219 2006-05-31 Roger Sayle <roger@eyesopen.com>
3221 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3222 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3224 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3226 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3228 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3229 * config/bfin/bfin.c (basic-block.h): Include.
3230 (struct machine_function): New.
3231 (bfin_init_machine_status): New.
3232 (override_options): Initialize init_machine_status.
3233 (bfin_hardware_loop): New.
3234 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3235 (DEF_VEC_P (loop_info)): New.
3236 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3237 (struct loop_info): New.
3238 (loop_info): New typedef.
3239 (struct loop_work): New.
3240 (loop_work): New typedef.
3241 (DEF_VEC_O (loop_work)): New.
3242 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3243 (bfin_dump_loops): New.
3244 (bfin_bb_in_loop): New.
3245 (bfin_scan_loop): New.
3246 (bfin_optimize_loop): New.
3247 (bfin_reorg_loops): New.
3248 (bfin_reorg): Use bfin_reorg_loops.
3249 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3251 (I_REGNO_P): Simplify.
3252 (DP_REGNO_P, DPREG_P): New macros.
3253 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3254 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3255 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3256 Add LT_REGS, LC_REGS, LB_REGS.
3257 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3259 (REGNO_REG_CLASS): Deal with loop registers.
3260 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3262 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3263 New constants for loop registers.
3264 (UNSPEC_LSETUP_END): New.
3265 (seq_insns): New define_attr. Set it for appropriate insns.
3266 (movsi_insn): Add alternatives for move from/to
3267 loop count registers.
3268 (doloop_end): New define_expand.
3269 (loop_end): New define_insn.
3270 (define_split for bad doloop_end): New.
3271 (lsetup_with_autoinit): New define_insn.
3272 (lsetup_without_autoinit): New define_insn.
3273 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3274 * config/bfin/predicates.md (lc_register_operand): New.
3275 (lt_register_operand): New.
3276 (lb_register_operand): New.
3277 (nondp_register_operand): New.
3278 (nondp_reg_or_memory_operand): New.
3279 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3281 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3283 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3284 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3286 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3288 * Makefile.in (CATALOGS): Add po/ prefix.
3289 * configure: Regenerated.
3291 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3294 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3295 a shift operand before calling shift_op. Avoid redundant call of
3298 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3299 DJ Delorie <dj@redhat.com>
3301 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3302 we're inserting is a singlt-bit constant.
3304 2006-05-30 Roger Sayle <roger@eyesopen.com>
3306 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3307 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3309 2006-05-30 Roger Sayle <roger@eyesopen.com>
3311 PR tree-optimization/23452
3312 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3313 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3314 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3315 complex values and with -ffast-math for FP complex values.
3317 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3319 * c-common.h: Remove the prototype for yyparse.
3320 * rtl.h: Remove the prototype for init_loop.
3322 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3324 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3327 2006-05-30 Roger Sayle <roger@eyesopen.com>
3329 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3331 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3332 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3334 2006-05-30 Dirk Mueller <dmueller@suse.de>
3337 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3338 for CONSTANT_CLASS_P expresisons.
3340 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3343 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3345 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3347 PR tree-optimization/27779
3348 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3349 initial_condition instead of CHREC_LEFT.
3351 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3353 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3354 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3355 Make prototypes ISO C90.
3357 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3358 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3360 * see.c (see_analyze_one_def): Correct check.
3361 (see_get_extension_data): Check if extension is parallel.
3362 (see_get_extension_reg): Likewise.
3364 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3367 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3368 into register for (code == GTU).
3370 2006-05-29 Roger Sayle <roger@eyesopen.com>
3372 PR tree-optimization/24964
3373 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3374 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3375 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3376 abs(x)*abs(x) as x*x for scalar floating point modes.
3378 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3381 * lambda-code.c (perfect_nestify): Don't copy statements
3382 in the inner loop: move them to the inner loop header.
3384 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3387 * c-tree.texi: Document OpenMP directives and clauses.
3389 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3391 * varasm.c (globalize_decl): Fix indentation.
3393 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3396 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3397 pass_fre, pass_store_ccp, pass_copy_prop,
3398 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3399 pass_return_slot, pass_object_size, pass_lim,
3400 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3401 pass_loop_prefetch and pass_stdarg.
3403 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3405 * config/bfin/bfin.opt (mfdpic): New option.
3406 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3407 (EXTRA_MULTILIB_PARTS): Likewise.
3408 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3409 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3411 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3412 (CRT_CALL_STATIC_FUNCTION): New.
3413 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3415 (CRT_CALL_STATIC_FUNCTION): New.
3416 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3418 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3419 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3420 (initialize_trampoline): Changed to handle FD-PIC code generation.
3421 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3422 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3423 (override_options): Disallow -mid-shared-library -mfdpic combination.
3424 Can't do unaligned ops if FD-PIC.
3425 Turn off flag_pic if trying to generate non-id-shared-library
3426 non-fdpic code, since it's not supported.
3427 (bfin_assemble_integer): New function.
3428 (TARGET_ASM_INTEGER): Define.
3429 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3431 * config/bfin/crtn.s: Restore them.
3432 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3434 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3435 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3436 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3437 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3438 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3440 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3441 FDPIC_REGS and FDPIC_FPTR_REGS.
3442 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3443 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3444 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3445 (load_funcdescsi): New pattern.
3446 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3447 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3448 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3450 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3452 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3455 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3457 * tree-flow.h: Remove the prototype for add_type_alias.
3458 * tree-ssa-alias.c (add_type_alias): Remove.
3460 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3462 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3463 config/fr30/fr30.md, config/i386/i386-interix.h,
3464 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3465 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3466 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3467 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3468 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3469 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3470 Follow spelling conventions.
3471 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3472 Follow spelling conventions.
3474 2006-05-27 Richard Guenther <rguenther@suse.de>
3477 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3478 to produce a constant of value 1 of generic type.
3480 2006-05-27 Dirk Mueller <dmueller@suse.de>
3482 * cgraphunit.c (decide_is_function_needed): Fix wrong
3485 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3487 PR rtl-optimization/27661
3488 * reload.c (find_reloads): When reloading a VOIDmode constant
3489 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3490 use Pmode as mode of the reload register.
3492 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3494 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3495 is enabled at -O and above.
3497 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3500 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3503 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3506 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3507 for anonymous variables explicitly declared by front ends.
3509 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3511 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3512 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3513 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3514 ref-all pointers, run a finalization pass for them.
3515 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3516 (finalize_ref_all_pointers): New function.
3517 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3518 regular pointer type to a ref-all pointer type.
3519 (get_tmt_for): Return the special memory tag for ref-all pointers.
3521 2006-05-25 Richard Guenther <rguenther@suse.de>
3524 * fold-const.c (fold_binary): Do not look at the stripped
3525 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3527 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3529 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3530 for LT and GT if the computed range is effectively empty.
3532 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3535 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3536 mips_quad_format formats instead of ieee_single_format,
3537 ieee_double_format and ieee_quad_format formats, respectively.
3539 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3541 PR tree-optimization/27639
3542 PR tree-optimization/26719
3543 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3544 call to scev_probably_wraps_p.
3545 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3546 used_in_pointer_arithmetic_p, convert_step): Removed.
3547 (nowrap_type_p): New function.
3548 (scev_probably_wraps_p): Rewritten.
3549 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3550 chrec_convert if chrec_convert_aggressive might have been used.
3551 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3552 scev_direction): New functions.
3553 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3554 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3555 instead of convert_step.
3556 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3557 (convert_step): Declaration removed.
3558 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3560 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3562 * df-core.c: Added to header comments.
3563 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3564 df_ur_bb_info, df_urec_bb_info): Added comments.
3565 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3566 urec, ri problems): Fixed header comments.
3567 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3568 code from df_rd_transfer_function.
3570 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3572 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3573 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3574 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3576 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3578 * expr.c (undefined_operand_subword_p): New.
3579 (emit_move_multi_word): Do not generate move from undefined bits
3580 of a paradoxical subreg.
3582 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3584 PR rtl-optimization/27736
3585 * combine.c (replaced_rhs_value): New variable.
3586 (combine_instructions): Set it.
3587 (distribute_notes): When distributing a note in replaced_rhs_insn,
3588 check whether the value was used in replaced_rhs_value.
3590 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3593 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3594 add_referenced_var instead of add_referenced_tmp_var.
3595 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3596 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3598 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3599 tree_optimize_tail_calls_1): Use add_referenced_var.
3600 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3601 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3602 Use add_referenced_var.
3603 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3604 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3605 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3606 Use add_referenced_var.
3607 * tree-dfa.c (struct walk_state): Remove.
3608 (find_referenced_vars): Remove walk state and vars_found hash table.
3609 (make_rename_temp): Use add_referenced_var.
3610 (find_vars_r): Pass less parameters to add_referenced_var.
3611 (referenced_var_p): New. Is var in referenced_var hash table.
3612 (referenced_var_insert): Assert var isn't already in hash table.
3613 (add_referenced_var): Don't need walk_state parameter. Add var if it
3614 isn't already in the hash table.
3615 (add_referenced_tmp_var): Remove.
3616 (find_new_referenced_vars_1): Use add_referenced_var.
3617 * tree-ssa-pre.c (create_expression_by_pieces,
3618 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3619 Use add_referenced_var.
3620 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3621 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3622 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3624 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3625 vect_create_data_ref_ptr, vect_create_destination_var,
3626 vect_init_vector, vect_build_loop_niters,
3627 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3628 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3629 Use add_referenced_var.
3630 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3631 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3632 (add_referenced_var): Add prototype.
3633 * tree-ssa-structalias.c (get_constraint_for,
3634 intra_create_variable_infos): Use add_referenced_var.
3636 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3638 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3639 big-endian paradoxical subregs.
3640 * var-tracking.c (struct micro_operation_def): Document that,
3641 for modify micro operations, insn is the subsequent instruction.
3642 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3643 (var_reg_set, var_mem_set): ... new functions.
3644 (add_stores): Record subsequent insn.
3645 (compute_bb_dataflow): Use new functions for MO_USE.
3646 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3647 notes after the insn, and modify notes before the insn known
3648 to be the subsequent one.
3649 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3651 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3654 * config/i386/i386.c (ix86_expand_builtin): Use
3655 gen_sse3_monitor64 for TARGET_64BIT.
3657 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3659 PR rtl-optimization/26375
3660 PR rtl-optimization/26855
3661 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3663 (df_ru_bb_local_compute): Reversed statements and removed bogus
3664 comment explaining why they should be in wrong order.
3665 (df_ru_dump, df_rd_dump): Enhanced debug info.
3666 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3668 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3669 reaching uses and fixed space problem.
3671 2006-05-23 Jan Hubicka <jh@suse.cz>
3673 * cgraphunit.c (decide_is_function_needed): Also nested functions
3674 and functions declared inline can be optimized out at -O0.
3676 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3678 * doc/install.texi (Configuration): Remove reference to CrossGCC
3682 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3685 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3686 ix86_compare_emitted is non-NULL.
3688 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3691 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3694 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3696 PR rtl-optimization/25514
3697 * combine.c (replaced_rhs_insn): New variable.
3698 (combine_instructions): Set replaced_rhs_insn when trying to replace
3699 a SET_SRC with a REG_EQUAL note.
3700 (distribute_notes): Use replaced_rhs_insn when determining the live
3701 range of a REG_DEAD register.
3703 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3704 Anatoly Sokolov <aesok@post.ru>
3706 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3707 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3708 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3709 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3710 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3711 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3712 at90usb647, at90usb1286 and at90usb1287 devices.
3713 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3714 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3716 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3718 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3720 2006-05-22 Richard Guenther <rguenther@suse.de>
3723 2006-01-31 Richard Guenther <rguenther@suse.de>
3724 Paolo Bonzini <bonzini@gnu.org>
3726 * doc/install.texi (--disable-libgcc-math): Document.
3728 2006-05-22 Richard Guenther <rguenther@suse.de>
3731 2006-01-31 Richard Guenther <rguenther@suse.de>
3733 * doc/invoke.texi (-msselibm): Document.
3734 * target.h (expand_library_builtin): New target hook.
3735 * builtins.c (expand_builtin): Use expand_library_builtin.
3736 (default_expand_library_builtin): New function.
3737 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3738 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3739 (link_gcc_math_spec): Declare.
3740 (static_specs): Add link_gcc_math_spec.
3741 * expr.h (default_expand_library_builtin): Declare.
3742 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3743 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3744 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3745 * config/i386/i386.opt (msselibm): New target option.
3746 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3747 (ix86_init_sse_abi_builtins): New function.
3748 (ix86_expand_library_builtin): Likewise.
3749 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3750 (override_options): Handle error conditions wrt -msselibm.
3751 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3752 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3753 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3756 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3759 * c-common.c (self_promoting_args_p): Skip erroneous args.
3762 * c-decl.c (finish_struct): Skip erroneous fields.
3764 2006-05-22 Nick Clifton <nickc@redhat.com>
3766 * config/cris/cris.opt (march): Remove VarExists attribute.
3767 (max-stackframe=): Likewise.
3769 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3771 * doc/rtl.texi: Fix a typo.
3772 * see.c: Fix comment typos.
3774 * tree-ssa-structalias.h (alias_info): Remove num_references.
3776 2006-05-21 Mike Stump <mrs@apple.com>
3778 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3780 (darwin_pragma_options): Use BAD instead.
3781 (darwin_pragma_unused): Likewise.
3782 (darwin_pragma_ms_struct): Likewise.
3784 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3786 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3788 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3790 PR rtl-optimization/27671
3791 * simplify-rtx.c (simplify_relational_operation_1): Fix
3792 simplifications of (eq/ne (xor x y) y) and
3793 (eq/ne (xor x y) x).
3795 PR tree-optimization/26622.
3796 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3799 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3801 * tree-cfg.c: Prune whitespace.
3802 (debug_tree_cfg): Point to correct header containing the
3805 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3808 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3810 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3813 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3814 or sorry count is non zero.
3816 2006-05-20 Andreas Schwab <schwab@suse.de>
3818 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3820 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3821 Kenneth Zadeck <zadeck@naturalbridge.com>
3823 PR rtl-optimization/26855
3825 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3827 (df_scan_alloc): Added code to properly handle multiword hard
3828 registers and add all_blocks parameter.
3829 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3830 code to properly handle multiword hard registers.
3831 (df_rescan_blocks): Added code to remove deleted blocks from
3833 (df_ref_create_structure, df_ref_record): Added code to properly
3835 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3836 and set DF_REF_PARTIAL.
3837 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3838 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3839 (df_scan_add_problem): Added flags parameter.
3840 (df_ref_create_structure): Changed switching structure.
3841 (df_bb_refs_record): Fixed case where duplicate artificial refs
3842 were created. Changed location of flags.
3843 (df_record_entry_block_defs): Added code to make stack pointer
3844 live in entry block. Refined cases where frame pointer is needed.
3845 Changed location of flags.
3846 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3847 (df_set_state): Removed function.
3848 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3849 df_insn_create_insn_record, df_insn_refs_delete,
3850 df_ref_create_structure): Formatting changes.
3851 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3852 df_delete_basic_block): New function.
3853 (df_init): Changed location of flags.
3854 (df_add_problem): Added flags parameter and the way flags are
3856 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3857 debug_df_chain): Improved debugging output.
3858 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3859 (df_refs_chain_dump): Removed df parameter.
3860 (df_iterative_dataflow): Added consistency check.
3861 (df_prune_to_subcfg): Made public.
3862 (df_analyze_problem): Added blocks_to_init parameter and made
3864 (df_ref_record, df_bb_refs_record, df_mark_reg,
3865 df_record_exit_block_uses): Whitespace changes.
3866 (df_dump): Whitespace changes.
3867 * df.h: Some reordering to remove forward references.
3868 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3869 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3870 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3871 (dataflow.flags): New field.
3872 (df.flag): Deleted field.
3873 (df_alloc_function): Added additional bitmap parameter.
3874 (df_dependent_problem_function): New type.
3875 (df_problem.changeable_flags): New field.
3876 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3877 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3878 (df_mw_hardreg): New struct.
3879 (DF_INSN_UID_MWS): New macro.
3880 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3882 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3883 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3884 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3885 (df_set_state): Removed function.
3886 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3887 * df-problems.c (df_chain_dump): Removed df parameter.
3888 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3889 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3891 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3892 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3893 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3894 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3895 DF_REF_MUST_CLOBBER cases.
3896 (df_ru_bb_local_compute_process_def,
3897 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3898 df_lr_bb_local_compute, df_ur_bb_local_compute,
3899 df_chain_create_bb): Made subreg aware.
3900 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3901 df_lr_bb_local_compute, df_lr_bb_local_compute,
3902 df_chain_create_bb): Cleanup to use proper macros.
3903 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3904 code to fixup bitvectors.
3905 (df_ri_alloc): Cleared lifetime.
3906 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3907 df_create_unused_note): New function.
3908 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3909 REG_DEAD and REG_UNUSED notes as well as register information.
3910 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3911 df_chains_dump): Fixed crash if problem was never run.
3912 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3913 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3914 df_ri_add_problem): Processes flags in uniform manner.
3915 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3916 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3917 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3918 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3919 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3920 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3921 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3922 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3923 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3924 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3925 * see.c (see_initialize_data): Ditto.
3926 * final.c (rest_of_clean_state) Added regstack_completed.
3927 * rtl.h (regstack_completed): Ditto.
3928 * reg-stack.c (regstack_completed): Ditto.
3930 2006-05-19 Mike Stump <mrs@apple.com>
3932 * c-tree.h (default_conversion): Remove.
3933 * c-common.h (default_conversion): Add.
3935 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3937 * tree-vrp.c (valid_value_p): New function.
3938 (adjust_range_with_scev): Fail if the value of bound is not
3941 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3943 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3944 (mips_fallback_frame_state): Use syscall numbers to determine
3945 the appropriate li instruction for the current ABI. Only use
3946 __NR_sigreturn for o32.
3948 2006-05-19 Nicolas Setton <setton@adacore.com>
3950 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3951 * langhooks.c (lhd_dwarf_name): New function.
3952 * langhooks-def.h (lhd_dwarf_name): Declare.
3953 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3954 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3955 * ada/misc.c (gnat_dwarf_name): New function.
3956 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3958 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3960 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3962 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3963 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3964 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3965 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3966 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3967 determine the size of Wtype, etc.
3968 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3969 (swfloatfuncs): New variable.
3970 (dwfloatfuncs): Likewise.
3971 (lib2funcs): Remove floating-point conversion functions from
3972 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3973 the set of conversion routines needed. Allow entries to specify
3974 an object name, filename and word size. Update users accordingly.
3975 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3976 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3980 2006-02-08 Roger Sayle <roger@eyesopen.com>
3983 * config/fixtfdi.c: New libgcc source file.
3984 * config/fixunstfdi.c: New source file.
3985 * config/floatditf.c: New source file.
3986 * config/floatunditf.c: New souce file.
3987 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3988 files above instead of config/mips/_tilib.c.
3989 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3991 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3993 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3994 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3996 2006-05-18 Mike Stump <mrs@apple.com>
3998 Fix up vla, vm and [*] sematics.
4004 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4005 (c_vla_unspec_p): Add.
4006 (c_vla_type_p): Add.
4007 * c-decl.c (struct c_scope): Add had_vla_unspec.
4008 (build_array_declarator): Add support for [*].
4009 (grokdeclarator): Likewise.
4010 (grokparms): Likewise.
4011 (get_parm_info): Likewise.
4012 * c-objc-common.c (c_vla_unspec_p): Likewise.
4013 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4014 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4015 typeof when argument is a variably modified type not inside sizeof or alignof.
4016 (c_parser_direct_declarator_inner): Propagate errors.
4017 (c_parser_sizeof_expression): Add support for [*].
4018 (c_parser_parms_declarator): Initialize had_vla_unspec.
4019 (c_parser_parms_list_declarator): Likewise.
4020 * c-typeck.c (c_vla_type_p): Add.
4021 (composite_type): Add support for vla compositing.
4022 (comptypes_internal): Add support for vla compatibility.
4023 (c_expr_sizeof_expr): Evaluate vla arguments.
4024 * tree.c (variably_modified_type_p): Update comment for [*].
4026 2006-05-18 Michael Matz <matz@suse.de>
4029 * config.host: Make assignments to host_xmake_file cumulative.
4030 * config.host (*-darwin*): Test $host, not $target.
4032 2006-05-12 Stuart Hastings <stuart@apple.com>
4034 * config/i386/i386.opt (-mstackrealign): New flag.
4035 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4036 (ix86_handle_cconv_attribute): Emit error when
4037 force_align_arg_pointer attribute collides with too many regparms.
4038 (ix86_function_regparm): Limit regparms when used with
4039 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4040 Support stack-realigning prologue in non-main functions. Emit
4041 warning for nested functions under -mstackrealign, emit error for
4042 nested functions with force_align_arg_pointer attribute.
4043 * doc/extend.texi (force_align_arg_pointer): Document it.
4044 * doc/invoke.texi (-mstackrealign): Document it.
4046 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4048 PR rtl-optimization/27477
4049 * combine.c (try_combine): Don't split a parallel consisting
4050 of two sets into two individual sets if both sets reference
4053 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4055 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4056 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4058 * doc/options.texi (VarExists): Updated.
4060 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4062 * unwind-dw2.c: Add declarations for uw_update_context and
4064 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4065 detected, advance frame state and context once to skip over stub.
4067 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4071 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4072 Call rewrite_into_loop_closed_ssa only when something changed.
4073 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4074 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4075 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4076 Test for perfect_nest_p here. Fix formating.
4077 (replace_uses_equiv_to_x_with_y): Fix formating.
4078 (stmt_uses_op): Removed.
4079 (can_convert_to_perfect_nest): Removed loopivs parameter.
4080 Complete the test by checking the scalar dependences.
4081 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4084 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4087 From Dan Kegel <dank@kegel.com>:
4088 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4090 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4092 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4093 if the element type is variably modified without recursing.
4095 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4098 * tree-loop-linear.c (try_interchange_loops): Test for
4099 no data dependences.
4101 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4103 PR tree-optimization/27548
4104 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4105 range of ssa names that appear on abnormal edges.
4106 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4107 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4109 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4112 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4114 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4117 * tree.h (OMP_PARALLEL_COMBINED): Define.
4118 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4119 (new_omp_context): Add is_combined_parallel argument.
4120 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4121 new_omp_context caller.
4122 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4123 Adjust gimplify_scan_omp_clauses callers.
4124 (omp_is_private): Issue errors if iteration variable is firstprivate
4125 or reduction in the current context.
4126 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4127 on combined parallel workshare constructs.
4129 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4131 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4132 (gcc-options.o): New rule.
4134 * optc-gen.awk: Protect variables for gcc-options.o with
4135 #ifdef GCC_DRIVER/#endif.
4137 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4139 Fix PR tree-optimization/27373
4140 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4141 (forward_propagate_addr_expr): Update call.
4143 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4145 * doc/options.texi: Move the Negative option.
4147 2006-05-16 Richard Guenther <rguenther@suse.de>
4149 PR tree-optimization/22303
4150 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4152 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4153 ccp_fold did not simplify the statement.
4155 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4158 * Makefile.in (GCC_OBJS): New.
4159 (OBJS-common): Add opts-common.o.
4160 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4161 (cpp$(exeext)): Likewise.
4162 (gcc.o): Also depend on opts.h.
4163 (opts-common.o): New.
4165 * common.opt (gcoff): Add Negative(gdwarf-2).
4166 (gdwarf-2): Add Negative(gstabs).
4167 (gstabs): Add Negative(gstabs+).
4168 (gstabs+): Add Negative(gvms).
4169 (gvms): Add Negative(gxcoff).
4170 (gxcoff): Add Negative(gxcoff+).
4171 (gxcoff+): Add Negative(gcoff).
4172 * config/i386/i386.opt (m32): Add Negative(m64).
4173 (m64): Add Negative(m32).
4175 * doc/options.texi: Document the Negative option.
4177 * gcc.c: Include "opts.h".
4178 (main): Call prune_options after expandargv.
4180 * optc-gen.awk: Generate common declarations for all flag
4181 variables in options.c. Output the neg_index field.
4183 * opts.c (find_opt): Moved to ...
4184 * opts-common.c: Here. New file.
4186 * opts.h (cl_option): Add a neg_index field.
4188 (prune_options): Likewise.
4190 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4193 * omp-low.c (expand_omp_parallel): Don't assert
4194 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4195 instead search for it.
4198 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4201 2006-05-16 Andreas Schwab <schwab@suse.de>
4203 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4206 2006-05-15 Roger Sayle <roger@eyesopen.com>
4209 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4210 integer constants other than zero are only legitimate on TARGET_64BIT.
4211 <CONST_VECTOR> Only zero vectors are legitimate.
4212 (ix86_cannot_force_const_mem): Integral and vector constants can
4213 always be put in the constant pool.
4215 2006-05-16 DJ Delorie <dj@redhat.com>
4217 * crtstuff.c (__dso_handle): Set section from
4218 TARGET_LBIGCC_SDATA_SECTION if defined.
4219 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4220 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4222 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4225 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4228 2006-05-16 Ben Elliston <bje@au.ibm.com>
4230 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4232 2006-05-15 Per Bothner <per@bothner.com>
4234 * tree.c: (last_annotated_node): Use source_locus typedef.
4235 This permits bootstrapping with --enable-mapped-location.
4237 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4239 PR tree-optimization/26830
4240 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4241 (info_for_ssa_name, current_info_for_ssa_name_age,
4242 blocks_to_update): New variables.
4243 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4244 (clear_ssa_name_info, initialize_flags_in_bb,
4245 mark_block_for_update): New functions.
4246 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4247 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4248 prepare_def_site_for): Use mark_block_for_update.
4249 (mark_def_interesting): Assert that the processed block is marked in
4250 blocks_to_update. Do not take blocks argument.
4251 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4253 (rewrite_update_init_block, rewrite_update_stmt): Only process
4254 blocks with statements to rewrite.
4255 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4256 (update_ssa): Initialize and free blocks_to_update. Do not
4257 clear flags on statements. Do not use blocks bitmap.
4258 * tree.h (SSA_NAME_AUX): Removed.
4259 (struct tree_ssa_name): Removed aux field.
4260 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4262 2006-05-15 Richard Guenther <rguenther@suse.de>
4264 PR tree-optimization/27603
4265 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4266 Do computations in original type.
4268 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4270 * see.c: Code style changes such as redundant paranthesis,
4271 redundant intialization of local variables etc.
4272 (see_main): Declared now as static.
4273 * doc/invoke.texi: Update that -fsee is not enabled by
4276 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4278 * omp-low.c (check_omp_nesting_restrictions): New function.
4279 (scan_omp_1): Call it.
4282 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4283 construct, return *VAR.
4285 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4287 PR rtl-optimization/27406
4288 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4291 2006-05-14 Roger Sayle <roger@eyesopen.com>
4293 PR rtl-optimization/27538
4294 * combine.c (expand_compound_operation): Call gen_lowpart
4295 before calling simplify_shift_const.
4297 2006-05-14 Roger Sayle <roger@eyesopen.com>
4299 PR rtl-optimization/22563
4300 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4301 a fixed width bitfield, always force the intermediates into psuedos.
4303 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4306 * mkconfig.sh: Use operator = instead of == for test.
4308 2006-05-13 Nick Clifton <nickc@redhat.com>
4310 * dwarf2out.c (dbx_reg_number): Check return value from
4311 LEAF_REG_REMAP and only use it if it is valid.
4312 (multiple_reg_loc_descriptor): Likewise.
4314 2006-05-13 Richard Guenther <rguenther@suse.de>
4316 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4319 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4321 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4322 information attached to non-INSNs such as NOTEs.
4323 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4325 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4327 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4329 * config/s390/s390.md: Adjust comment describing On constraint.
4331 2006-05-11 Jan Hubicka <jh@suse.cz>
4333 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4334 to be output at -O0.
4336 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4339 * fold-const.c (size_binop): Move sanity check for arguments to
4340 the beginning of the function.
4343 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4346 2006-05-11 Richard Guenther <rguenther@suse.de>
4349 * fold-const.c (fold_unary): Handle intermediate conversion
4350 to a pointer type like intermediate conversion to an integer
4351 type in folding of (T1)(T2)var to var.
4352 Match the code to the comment in the final conversion for
4353 (T1)(T2)var to (T1)var regarding to type precision. Rather
4354 than disallow T1 being of pointer type, assert that both T1
4355 and var are of pointer type or not. Make sure not to fall
4356 over the frontends lazyness wrt array to pointer decay though.
4358 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4360 * arm.c (arm_struct_value_rtx): Delete.
4361 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4362 (arm_init_cumulative_args): Always initialize nregs to zero.
4364 2006-05-10 Richard Guenther <rguenther@suse.de>
4366 PR tree-optimization/27532
4367 * tree-object-size.c (plus_expr_object_size): Fix typo.
4369 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4372 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4373 ashrdi_const, ashrdi3): Use a scratch register.
4375 2006-05-10 Richard Guenther <rguenther@suse.de>
4377 PR tree-optimization/27302
4378 * fold-const.c (operand_equal_p): For two comparisons,
4379 try comparison of one comparison code swapped if that yields
4382 2006-05-10 Ben Elliston <bje@au.ibm.com>
4384 * tree-pretty-print.c (pretty_print_string): No need to handle
4385 '\0' as a special character.
4387 * tree.h: Include "hashtab.h".
4388 (iterative_hash_expr): Use hashval_t in its prototype.
4389 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4391 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4394 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4395 (hppa*64*-*-hpux11*): Ditto.
4396 (hppa[12]*-*-hpux11*): Ditto.
4398 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4401 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4403 2006-05-09 Michael Matz <matz@suse.de>
4405 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4406 host_extra_gcc_objs and host_xmake_file.
4407 (<*-*-linux*>): Don't overwrite host_xmake_file.
4408 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4409 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4410 (host_detect_local_cpu): Declare.
4411 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4412 * config/i386/i386.c (override_options): Handle -mtune=native
4414 * config/i386/x-i386: New file.
4415 * config/i386/driver-i386.c: New file.
4416 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4419 2006-05-09 Dirk Mueller <dmueller@suse.de>
4420 Richard Guenther <rguenther@suse.de>
4423 * fold-const.c (fold_read_from_constant_string): Relax check
4424 for matching types to matching modes.
4426 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4428 PR rtl-optimization/27335
4429 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4432 2006-05-08 Chao-ying Fu <fu@mips.com>
4433 Richard Sandiford <richard@codesourcery.com>
4435 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4436 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4437 * config/mips/mips.md (UNSPEC_SCC): New constant.
4438 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4439 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4440 (mips_emit_compare): Use it.
4441 (mips_expand_vcondv2sf): New function.
4443 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4445 Fix PR tree-optimization/27093
4446 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4447 renaming when they become not-used_alone.
4449 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4451 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4452 relocation and relocation stubs.
4454 2006-05-08 Eric Christopher <echristo@apple.com>
4456 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4459 2006-05-08 Jan Hubicka <jh@suse.cz>
4462 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4463 unused static functions are needed.
4465 2006-05-08 Roger Sayle <roger@eyesopen.com>
4468 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4469 of a reg_equiv_constant if the result is a legitimate constant.
4471 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4474 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4475 standard 80387 constants, raise the cost to prevent
4476 compress_float_constant() to generate load from memory.
4478 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4480 * config/arm/constraints.md (c): Fix a typo.
4482 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4485 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4488 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4490 (_mm_mwait): Likewise.
4492 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4494 (sse3_monitor): Make it 32bit only.
4495 (sse3_monitor64): New. 64bit monitor.
4497 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4500 * config/i386/i386.c (classify_argument): Skip fields with invalid
4503 2006-05-07 Richard Guenther <rguenther@suse.de>
4505 PR tree-optimization/27409
4506 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4507 Do not try to find zero-sized subvars.
4509 2006-05-07 Richard Guenther <rguenther@suse.de>
4511 PR tree-optimization/27136
4512 * tree-ssa-loop-niter.c (get_val_for): Correct function
4513 comment, assert requirements.
4514 (loop_niter_by_eval): Stop processing if the iterated
4515 value did not simplify.
4517 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4519 * opts.c (flag_see): remove its setting at -O3.
4521 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4523 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4524 * arm/constraints.md: New file.
4525 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4526 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4527 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4528 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4529 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4530 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4531 * arm.md: Include constraints.md.
4532 (thumb_movsi_insn): Use satisfies_constraint_J.
4533 (movhi, movqi): Use satisfies_constraint_I.
4535 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4537 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4538 for atmeg a645 device.
4540 2006-05-06 Richard Guenther <rguenther@suse.de>
4542 PR tree-optimization/27151
4543 * tree-vect-transform.c (vectorizable_condition): Punt on
4544 values that have a different type than the condition.
4546 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4549 * c-parser.c (c_parser_cast_expression): Only insert casts into
4550 hash table if pointer.
4551 * function.c (used_types_insert_helper): Rename from
4553 (used_types_insert): Call used_types_insert_helper.
4554 * function.h (used_types_insert): Accept only one argument.
4556 2006-05-05 David Edelsohn <edesohn@gnu.org>
4558 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4559 scratch with output modifier.
4561 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4564 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4565 with output modifier.
4567 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4570 * config/mips/mips.c (mips_symbolic_address_p): Return true
4571 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4572 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4574 2006-05-04 Richard Guenther <rguenther@suse.de>
4576 PR tree-optimization/14287
4577 PR tree-optimization/14844
4578 PR tree-optimization/19792
4579 PR tree-optimization/21608
4580 PR tree-optimization/27090
4581 * tree-ssa-pre.c (try_combine_conversion): New function.
4582 (compute_avail): After constructing the value-handle
4583 expression, use try_combine_conversion to combine NOP_EXPRs
4584 with previous value-handle expressions and use the result if it
4587 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4589 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4591 2006-05-04 Jan Hubicka <jh@suse.cz>
4594 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4596 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4598 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4599 that this only matches CONST_INTs. All users changed to VOIDmode
4602 * config/bfin/bfin.c: Include "optabs.h".
4603 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4605 (enum bfin_builtins): Add a number of fractional and vector builtins.
4606 (bfin_init_builtins): Likewise.
4607 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4608 (safe_vector_operand, bfin_expand_binop_builtin,
4609 bfin_expand_unop_builtin): New functions.
4610 (bfin_expand_builtin): Handle the new builtins.
4611 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4614 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4617 * Makefile.in (OBJS-common): Add see.o.
4618 (see.o): Add dependencies.
4619 * common.opt (fsee): New flag for the see optimization was added.
4620 * opts.c (flag_see): Initialized.
4621 * passes.c (init_optimization_passes, pass_see): New pass.
4622 * rtl.h (see_main): Declaration as extern.
4623 * timevar.def (TV_SEE): New.
4624 * tree-pass.h (pass_see): Declaration as extern.
4625 * invoke.texi (-fsee): Document.
4626 * recog.c (validate_simplify_insn): New function.
4627 * recog.h (validate_simplify_insn): Declaration as extern.
4628 * df-problems.c (df_chain_dump): Check for NULL.
4630 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4631 Daniel Berlin <dberlin@dberlin.org>
4633 * cfgrtl.c (insert_insn_bb_end_new): New function.
4634 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4636 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4638 * df.h (struct web_entry): Moved from web.c.
4639 (union_defs): Declaration as extern.
4640 (unionfind_root): Likewise.
4641 (unionfind_union): Likewise.
4642 * web.c (struct web_entry): Moved to df.h.
4643 (unionfind_root): Remove static declaration.
4644 (unionfind_union): Likewise.
4645 (union_defs): Likewise and generalize to use callback function.
4646 (web_main): Update arguments for union_defs function call.
4648 2006-05-04 Richard Guenther <rguenther@suse.de>
4650 PR tree-optimization/26447
4651 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4652 produce SSA_NAME copies before the store stmt to avoid
4653 breaking exception handling.
4655 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4658 * gimplify.c (omp_is_private): If var is shared in some outer context,
4659 return false instead of true. Stop searching on parallel context
4662 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4665 * coverage.c: Use get_gcov_unsigned_t() instead of
4666 unsigned_type_node all over.
4668 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4670 PR tree-optimization/27381
4671 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4672 maintain the same immediate_use links.
4673 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4674 node rather than segfaulting.
4676 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4679 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4680 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4681 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4683 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4685 Fix PR tree-optimization/26626
4686 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4688 * tree-ssa-operands.c (access_can_touch_variable): Allow
4689 typecasting through union pointers.
4691 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4694 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4695 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4696 to find if var will be a global variable even in the nested context.
4697 (omp_copy_decl): Only check for global variable at the end, it might
4698 be overridden in outer contexts.
4699 (scan_sharing_clauses): For global variables don't create a field.
4700 (lower_rec_input_clauses): Do nothing for global shared variables.
4701 Emit a barrier at the end of ILIST if there were any decls in both
4702 firstprivate and lastprivate clauses.
4703 (lower_send_clauses): Do nothing for global variables except for
4706 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4708 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4709 of the correct signedness is returned.
4711 2006-05-02 Jeff Law <law@redhat.com>
4713 PR tree-optimization/27364
4714 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4715 multiply expressions.
4717 2006-05-02 Tom Tromey <tromey@redhat.com>
4719 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4721 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4724 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4725 -mthumb -fPIC are used.
4727 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4728 Joshua Kinard <kumba@gentoo.org>
4731 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4732 with 64-bit pointers.
4734 2006-05-02 Paul Brook <paul@codesourcery.com>
4736 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4738 (create_fix_barrier): Check that a suitable barrier location is
4740 (arm_reorg): Include ftmp->address in allowable range of addresses.
4742 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4745 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4748 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4751 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4752 around RESULT_DECL for result passed by reference.
4753 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4754 * omp-low.c (use_pointer_for_field): Don't look at
4755 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4756 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4757 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4758 time or var for passing by reference for
4759 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4760 TREE_ADDRESSABLE variables when passing by reference.
4762 * omp-low.c (dump_omp_region): Fix output formatting.
4765 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4766 (expand_omp_parallel): Likewise.
4767 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4770 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4771 on statement list containing also constructors and destructors.
4772 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4775 * except.c (duplicate_eh_regions): Fix clearing of
4776 cfun->eh->region_array entries.
4778 2006-05-01 DJ Delorie <dj@redhat.com>
4780 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4782 (gcc_cv_objdump): Likewise.
4783 * configure: Regenerated.
4785 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4788 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4789 templates for case 3 and 4.
4791 2006-05-01 DJ Delorie <dj@redhat.com>
4793 * vec.c: Include bconfig.h when appropriate.
4794 * Makefile.in (build/vec.o): Adjust dependencies.
4795 * mkconfig.sh: Make sure config.h isn't used for build machine
4798 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4800 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4802 (mark_phi_for_rewrite): New function.
4803 (insert_phi_nodes_for, mark_use_interesting): Call
4804 mark_phi_for_rewrite.
4805 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4806 (update_ssa): Initialize and free phis_to_rewrite.
4808 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4810 PR rtl-optimization/27291
4811 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4812 folded to a constant.
4814 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4816 PR tree-optimization/27283
4817 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4818 not whole # of iteration descriptions.
4819 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4820 uses abnormal ssa name.
4821 (niter_for_single_dom_exit): Ditto.
4822 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4823 return just the number of iterations.
4825 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4827 PR tree-optimization/27144
4828 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4829 (record_estimate): Only record constant upper bound.
4830 (infer_loop_bounds_from_undefined): Call
4831 compute_estimated_nb_iterations just once.
4832 (proved_non_wrapping_p): Renamed to ...
4833 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4834 (convert_step_widening, scev_probably_wraps_p): Call
4835 n_of_executions_at_most instead of proved_non_wrapping_p.
4836 (substitute_in_loop_info): Do not replace values in bounds.
4837 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4840 2006-05-01 Richard Henderson <rth@redhat.com>
4843 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4844 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4847 2006-05-01 Roger Sayle <roger@eyesopen.com>
4849 * c-typeck.c (parser_build_binary_op): Don't call the function
4850 unsigned_conversion_warning to spot operand/result type overflow.
4851 (build_binary_op): Instead, call convert_and_check instead of
4852 convert to report the problem when the operands are promoted.
4853 * c-common.c (unsigned_conversion_warning): Make static.
4854 * c-common.h (unsigned_conversion_warning): Delete prototype.
4856 2006-05-01 Richard Guenther <rguenther@suse.de>
4858 PR tree-optimization/26726
4859 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4861 (find_interesting_uses_address): ... we work around here
4862 by folding INDIRECT_REFs in the substituted base.
4864 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4866 * omp-low.c (dump_omp_region): Add newlines.
4868 2006-04-30 Roger Sayle <roger@eyesopen.com>
4870 * common.opt (Woverflow): New command line option.
4871 * c-common.c (constant_expression_warning): Check warn_overflow.
4872 (overflow_waring): Pass OPT_Woverflow to warning.
4873 (unsigned_conversion_warning): Likewise.
4874 (convert_and_check): Likewise.
4875 * doc/invoke.texi: Document new command line option.
4877 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4879 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4880 TARGET_NO_FP_IN_TOC for section anchors.
4881 (optimization_options): Enable section anchors for all
4882 non-"Objective" languages.
4884 2006-04-28 Eric Christopher <echristo@apple.com>
4886 * config/darwin-c.c (darwin_ms_struct): Move this
4887 (darwin_set_default_type_attributes): and this...
4888 * config/darwin.c: ... here.
4889 * config/darwin.h (darwin_ms_struct): Declare.
4891 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4893 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4895 2006-04-28 Roger Sayle <roger@eyesopen.com>
4898 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4899 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4900 an unsigned HOST_WIDE_INT.
4901 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4903 (really_start_incremental_init): No need to call convert because
4904 bitsize_zero_node is already of type bitsizetype.
4905 (push_init_level): Extract the value of constructor_index as an
4906 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4907 (process_init_element): Likewise.
4909 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4911 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4912 value before passing to make_relative_prefix.
4914 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4917 * builtins.c (expand_builtin_memset): Expand val in original mode.
4919 2006-04-27 Eric Christopher <echristo@apple.com>
4921 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4922 with #ifndef/#endif.
4923 * config/darwin-c.c (darwin_ms_struct): New.
4924 (darwin_pragma_ms_struct): Ditto.
4925 (darwin_set_default_type_attributes): Ditto.
4926 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4927 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4928 Register ms_struct pragma.
4929 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4930 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4931 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4932 darwin_set_default_type_attributes if TARGET_MACHO.
4934 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4936 PR tree-optimization/26854
4937 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4938 * doc/tree-ssa.texi: Update immuse iterator documentation.
4939 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4940 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4941 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4942 first_safe_imm_use, next_safe_imm_use): Remove.
4943 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4944 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4945 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4946 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4947 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4948 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4949 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4950 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4951 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4952 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4953 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4954 (perfect_nestify): Use new iterator.
4955 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4957 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4958 (next_imm_name): New field in struct immediate_use_iterator_d.
4959 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4960 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4961 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4962 * tree-cfg.c (replace_uses_by): Use new iterator.
4963 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4964 * tree-ssa-operands.c (correct_use_link): Remove.
4965 (finalize_ssa_use_ops): No longer call correct_use_link.
4967 2006-04-27 Stuart Hastings <stuart@apple.com>
4969 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4970 * config/t-darwin (crt3.o): Use it.
4971 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4972 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4973 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4974 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4975 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4978 2006-04-27 Roger Sayle <roger@eyesopen.com>
4980 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4981 size, force the intermediate into a new pseudo rather instead of
4982 performing both a bitwise AND and a bitwise IOR in memory.
4984 2006-04-27 Richard Guenther <rguenther@suse.de>
4986 PR rtl-optimization/26685
4987 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4988 this one "max-flow-memory-locations".
4990 2006-04-27 Richard Guenther <rguenther@suse.de>
4992 PR tree-optimization/25148
4993 * tree-vrp.c (compare_values): Remove code dealing with
4994 comparisons against type min/max value. Honour overflow
4995 and negative constants in code dealing with comparisons
4996 of plus and minus expressions.
4997 (value_inside_range): Use fold_binary with LE_EXPR and
4998 GE_EXPR rather than compare_values.
5000 2006-04-27 Dirk Mueller <dmueller@suse.de>
5002 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5005 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5007 * basic-block.h (safe_insert_insn_on_edge): Removed.
5008 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5010 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5011 Paolo Bonzini <bonzini@gnu.org>
5014 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5015 (simplify_and_const_int): Same.
5017 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5019 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5021 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5024 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5025 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5026 cgraph_global_info_ready.
5029 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5032 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5033 either decl or init is error_mark_node.
5036 * tree-flow.h (struct omp_region): Add sched_kind.
5037 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5038 instead of extracting omp for data.
5039 (expand_omp_for): Save extracted sched_kind.
5041 2006-04-25 Roger Sayle <roger@eyesopen.com>
5043 * expmed.c (store_bit_field): Also check whether the bitsize is
5044 valid for the machine's "insv" instruction before moving the
5045 target into a pseudo for use with the insv.
5046 * config/i386/predicates.md (const8_operand): New predicate.
5047 * config/i386/i386.md (extv, extzv, insv): Use the new
5048 const8_operand predicate where appropriate.
5050 2006-04-25 DJ Delorie <dj@redhat.com>
5052 * doc/install.texi (Specific): Clarify that this is not a list of
5053 supported hosts or targets.
5055 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5057 PR rtl-optimization/26725
5058 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5059 block's BB_DIRTY flag.
5061 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5063 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5066 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5067 to print an integer.
5069 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5071 * varasm.c (align_variable): New function.
5072 (get_block_for_decl): Apply align_variable to DECL before
5073 calculating section information.
5074 (assemble_variable): Split out alignment computation.
5076 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5078 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5081 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5083 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5084 MODE_PARTIAL_INT mode.
5085 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5086 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5088 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5089 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5091 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5093 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5095 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5096 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5097 MACFLAG_IH): Likewise.
5098 (movstricthi_1): Renamed from "*movstricthi".
5099 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5100 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5101 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5102 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5103 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5104 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5105 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5106 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5107 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5108 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5109 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5110 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5111 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5112 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5113 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5115 * doc/rtl.texi (ss_ashift): Improve wording.
5117 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5119 * dwarf2out.c (verify_marks_clear): New.
5120 (prune_unused_types): Call verify_marks_clear initially, not
5123 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5125 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5126 * doc/rtl.texi: Document them.
5127 * simplify-rtx.c (simplify_unary_operation,
5128 simplify_binary_operation_1): Don't abort when we see them.
5130 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5133 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5134 * configure.ac: Completely disregard languages that are not
5136 * configure: Regenerated.
5138 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5139 Richard Guenther <rguenther@suse.de>
5141 PR tree-optimization/27236
5142 * tree-inline.c (copy_body_r): Make sure to copy
5143 TREE_THIS_VOLATILE flag.
5145 2006-04-24 Richard Guenther <rguenther@suse.de>
5148 * tree-complex.c (update_parameter_components): Don't handle
5149 unused parameters which have no default def.
5151 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5152 Richard Guenther <rguenther@suse.de>
5154 PR tree-optimization/27218
5155 * tree-inline.c (expand_call_inline): Strip useless type
5156 conversions for the return slot address.
5158 2006-04-24 Richard Guenther <rguenther@suse.de>
5160 * cfgloop.h (struct loops): Remove unused field array. Reorder
5162 (LOOP_PREFETCH): Remove.
5164 2006-04-24 Richard Guenther <rguenther@suse.de>
5166 PR tree-optimization/22525
5167 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5168 variable, adjust types of generated expressions.
5170 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5172 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5173 (tree-vect-patterns.o): Likewise.
5175 (cselib.o): Likewise.
5176 (loop-doloop.o): Likewise.
5177 (regclass.o): Likewise.
5178 (reload1.o): Likewise.
5179 (explow.o): Replace target.h with $(TARGET_H).
5180 (ipa-prop.o): Likewise.
5181 (ipa-cp.o): Likewise.
5182 (ipa-inline.o): Likewise.
5183 (reorg.o): Likewise.
5184 (reg-stack.o): Likewise.
5186 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5188 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5190 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5192 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5194 * configure.ac: Completely disregard languages that are not
5196 * configure: Regenerated.
5199 * c-common.h (c_build_bitfield_integer_type): Declare.
5200 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5201 * c-common.c (c_build_bitfield_integer_type): ... here.
5203 2006-04-23 Roger Sayle <roger@eyesopen.com>
5206 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5207 a SImode SUBREG of a floating point register after no_new_pseudos.
5209 2006-04-23 Roger Sayle <roger@eyesopen.com>
5211 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5212 identify potentially eliminable registers to additionally catch
5213 VIRTUAL_INCOMING_ARGS_REGNUM.
5214 (addsi3): Update the conditions on when to use addsi_small_int.
5216 2006-04-23 Roger Sayle <roger@eyesopen.com>
5219 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5220 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5221 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5223 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5225 * fold-const.c (range_predecessor): Use operand_equal_p
5226 as the predicate for equality.
5227 (range_successor): Likewise.
5229 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5232 * config/soft-fp/op-common.h: Fix a typo.
5234 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5237 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5238 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5240 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5242 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5244 * doc/tm.texi: Fix a typo.
5246 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5248 * dwarf2out.c (struct die_struct): Document that die_sib makes
5249 a circular linked list.
5250 (FOR_EACH_CHILD): New.
5251 (reverse_die_lists): Delete.
5252 (reverse_all_dies): Delete.
5253 (add_dwarf_attr): Correct documentation.
5254 (remove_child_with_prev): New.
5255 (remove_child_TAG): Update for change to die_struct, use
5256 remove_child_with_prev.
5257 (add_child_die): Update for change to die_struct.
5258 (splice_child_die): Use remove_child_with_prev and add_child_die.
5259 (print_die): Use FOR_EACH_CHILD.
5260 (die_checksum): Likewise.
5261 (assign_symbol_names): Likewise.
5262 (output_location_lists): Likewise.
5263 (build_abbrev_table): Likewise.
5264 (calc_die_sizes): Likewise.
5265 (mark_dies): Likewise.
5266 (unmark_dies): Likewise.
5267 (unmark_all_dies): Likewise.
5268 (output_die): Likewise.
5269 (prune_unused_types_mark): Likewise.
5270 (prune_unused_types_walk): Likewise.
5271 (same_die_p): Update for change to die_struct.
5272 (break_out_includes): Likewise.
5273 (prune_unused_types_prune): Likewise.
5274 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5275 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5277 (dwarf2out_finish): Don't call reverse_all_dies.
5279 2006-04-21 Eric Christopher <echristo@apple.com>
5281 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5282 in comments and function names.
5284 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5287 * c-typeck.c (digest_init): Robustify.
5289 * c-typeck.c (pop_init_level): Simplify.
5291 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5293 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5295 2006-04-21 Paul Brook <paul@codesourcery.com>
5297 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5298 hardware floating point.
5300 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5302 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5305 2006-04-21 Nick Clifton <nickc@redhat.com>
5307 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5310 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5313 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5314 C++ lang type in traceback table for Objective-C++.
5316 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5318 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5320 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5322 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5325 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5326 were errors. Remove check for erroneous objects.
5328 2006-04-20 Jeff Law <law@redhat.com>
5330 PR tree-optimization/26854
5331 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5332 checking for zero or one use.
5333 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5334 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5335 * tree-ssa-reassoc.c (negate_value): Similarly.
5336 (reassociate_bb): Similarly.
5338 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5340 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5341 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5342 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5344 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5346 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5347 fp regs if the last fp arg doesn't fit in regs.
5349 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5352 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5353 that the last insn has the REG_INC note.
5355 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5356 Nathan Sidwell <nathan@codesourcery.com>
5359 * stor-layout.c (update_alignment_for_field): Do not align
5361 (place_union_field): Place union field at the start of the union.
5362 (place_field): Move ERROR_MARK check later, and use the current
5363 allocation position to maintain monotonicity.
5365 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5367 * dominance.c: Include timevar.h.
5368 (calculate_dominance_info): Use TV_DOMINANCE.
5369 * timevar.def (TV_DOMINANCE): New timevar.
5370 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5372 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5374 PR rtl-optimization/14261
5375 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5376 move would be an INSV insn.
5377 (noce_process_if_block): Don't optimize if the destination is a
5378 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5380 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5382 * config/s390/s390.md: Add comments with the instructions emitted
5383 by an insn pattern if macros are used.
5385 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5387 PR rtl-optimization/26026
5388 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5389 is a known power of two shifted left a variable amount.
5391 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5393 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5394 to hash table twice when the debug_str section has SECTION_MERGE.
5396 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5398 * config/soft-fp: New directory. From glibc.
5399 * config/soft-fp/t-softfp: New.
5400 * config/soft-fp/README: New.
5401 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5402 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5403 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5404 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5405 * config.gcc: Use rs6000/t-fprules-fpbit or
5406 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5408 * config/rs6000/sfp-machine.h: New. Based on glibc.
5409 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5411 * config/rs6000/t-fprules: Remove fp-bit rules.
5412 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5413 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5414 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5415 (softfp_wrap_start, softfp_wrap_end): New.
5417 2006-04-18 DJ Delorie <dj@redhat.com>
5419 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5421 2006-04-18 Devang Patel <dpatel@apple.com>
5423 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5425 2006-04-18 Nick Clifton <nickc@redhat.com>
5427 * config/sh/t-symbian: Add rule to build sh-c.o
5428 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5429 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5430 (sh_symbian_encode_section_info): Likewise.
5432 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5434 * builtins.c (expand_builtin_strcmp): Cover label definition of
5435 do_libcall with HAVE_cmpstrnsi.
5437 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5439 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5441 * function.h (temp_slot_p): New.
5442 (function): Change the type of x_used_temp_slots to
5443 VEC(temp_slot_p,gc) *.
5445 2006-04-18 Nick Clifton <nickc@redhat.com>
5447 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5448 flag_strength_reduce.
5450 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5452 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5456 Partial revert of revision 112637
5457 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5458 Dale Johannesen <dalej@apple.com>
5461 * regclass.c (struct reg_pref): Update documentation.
5462 (regclass): Set prefclass to NO_REGS if memory is the best option.
5463 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5465 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5467 PR tree-optimization/26821
5468 * tree-ssa-math-opts.c (get_constant_one): New.
5469 (insert_reciprocals): Use it.
5471 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5473 * dwarf2out.c (free_AT): Delete.
5474 (remove_AT): Update string ref counts.
5475 (remove_child_TAG): Don't call free_die.
5477 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5478 or DW_TAG_GNU_EINCL.
5479 (prune_unused_types_walk_attribs): Reset string refcounts.
5480 (prune_unused_types_update_strings): New.
5481 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5482 call free_die. Do call prune_unused_types_update_strings.
5483 (prune_unused_types): Empty debug_str_hash.
5485 2006-04-17 Roger Sayle <roger@eyesopen.com>
5487 * expr.c (expand_assignment): Optimize away no-op moves where the
5488 source and destination are equal and have no side-effects.
5490 2006-04-17 Richard Guenther <rguenther@suse.de>
5493 * reload.c (push_reload): Guard calls to get_secondary_mem
5496 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5498 * alias.c (reg_base_value, old_reg_base_value): Change the
5499 type to VEC(rtx,gc) *.
5500 (REG_BASE_VALUE, find_base_value, record_set,
5501 init_alias_analysis): Use VEC instead of VARRAY.
5503 * alias.c (alias_sets): Change the type to
5504 VEC(alias_set_entry,gc) *.
5505 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5506 VEC instead of VARRAY.
5507 (last_alias_set): Remove.
5509 * cgraph.h (cgraph_edge_p): New.
5510 Update the prototype of cgraph_function_versioning.
5511 * cgraphunit.c (cgraph_copy_node_for_versioning,
5512 cgraph_function_versioning): Use VEC instead of VARRAY.
5513 * ipa-cp.c (ipcp_insert_stage): Likewise.
5515 2006-04-16 Roger Sayle <roger@eyesopen.com>
5518 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5519 "A op B" or "A op C", we may need to convert A to the type of B and C.
5521 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5523 * target.h (struct gcc_target): Add mode_rep_extended.
5524 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5525 (init_num_sign_bit_copies_in_rep): Initialize it using
5527 (truncate_to_mode): Use it.
5528 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5529 * targhooks.h (default_mode_rep_extended): Declare it.
5530 * targhooks.c (default_mode_rep_extended): Define it.
5531 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5532 default_mode_rep_extended.
5533 (TARGET_INITIALIZER): Include it.
5534 * doc/tm.texi (Misc): Document it.
5535 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5536 (mips_truncated_to_mode): New function.
5538 2006-04-16 Roger Sayle <roger@eyesopen.com>
5541 * expr.c (compress_float_constant): Copy the narrow constant into
5542 a new pseudo before extending it to its final width.
5544 2006-04-16 Roger Sayle <roger@eyesopen.com>
5545 Andrew Pinski <pinskia@gcc.gnu.org>
5546 Dale Johannesen <dalej@apple.com>
5549 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5550 special case code to implement V8HImode and V16QImode with SSE2.
5552 2006-04-15 Roger Sayle <roger@eyesopen.com>
5554 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5555 trees are constructed with a suitable tree type.
5557 2006-04-15 Roger Sayle <roger@eyesopen.com>
5559 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5560 (integer_onep): Likewise.
5561 (integer_all_onesp): Likewise.
5562 (integer_pow2p): Likewise.
5563 (integer_nonzerop): Likewise.
5564 (real_zerop): Likewise.
5565 (real_onep): Likewise.
5566 (real_twop): Likewise.
5567 (real_minus_onep): Likewise.
5568 (int_size_in_bytes): Likewise.
5569 (host_integerp): Likewise.
5571 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5573 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5574 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5575 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5577 * tree-ssa-structalias.h (alias_info): Remove num_references.
5579 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5581 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5582 (output_bvb patterns): Likewise.
5583 * pa.c (output_bb): Use 'bb' insn for long branch case.
5584 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5585 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5586 1. Correct length operand for alternatives 1 and 2.
5587 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5588 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5590 2006-04-14 Roger Sayle <roger@eyesopen.com>
5592 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5593 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5594 were accidentally reverted by r112959.
5596 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5599 * except.h (eh_region_outermost): New prototype.
5600 * except.c (eh_region_outermost): New function.
5601 * tree-cfg.c (find_outermost_region_in_block): Use it.
5603 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5605 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5607 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5608 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5609 (init_reload, reload): Use VEC instead of VARRAY.
5610 * reload.h: Update the prototype for
5611 reg_equiv_memory_loc_varray.
5613 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5614 Eric Botcazou <ebotcazou@libertysurf.fr>
5616 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5619 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5622 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5623 to expand fallback builtin function call.
5625 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5628 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5629 and emit libcall here in case the builtin fails.
5630 (expand_builtin_strcmp): Always emit the libcall here on failure.
5632 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5634 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5635 * flow.c (reg_n_info): Change the type to
5636 VEC(reg_info_p,heap) *.
5637 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5639 * regs.h (reg_info_p): New.
5640 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5641 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5642 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5645 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5647 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5649 * params.h (MAX_SCHED_READY_INSNS): New macro.
5650 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5651 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5652 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5653 the ready list for 1 cycle during the first scheduling pass.
5654 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5656 2006-04-13 Richard Henderson <rth@redhat.com>
5659 * gimple-low.c (lower_omp_directive): Remove dead code.
5660 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5661 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5662 * omp-low.c (struct omp_region): Move to tree-flow.h.
5663 (root_omp_region): Export.
5664 (omp_regions, lookup_omp_region): Remove.
5665 (determine_parallel_type): Update for struct omp_region changes.
5666 (dump_omp_region): Dump regions with block numbers.
5667 (new_omp_region): Take type and block instead of stmt; malloc
5669 (free_omp_region_1, free_omp_regions): New.
5670 (expand_parallel_call): Take entry_stmt as argument; update for
5671 changes to omp_region.
5672 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5673 (remove_exit_barriers): New.
5674 (expand_omp_parallel): Update for struct omp_region changes.
5675 (expand_omp_synch): Likewise.
5676 (expand_omp): Likewise.
5677 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5678 (expand_omp_for_static_chunk): Likewise.
5679 (expand_omp_for): Likewise.
5680 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5681 (expand_omp_sections): Similarly, with GOMP_sections_end.
5682 (expand_omp_single): New.
5683 (build_omp_regions_1): Update for OMP_CONTINUE.
5684 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5685 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5686 OMP_SECTIONS_SECTIONS.
5687 (lower_omp_single_simple): Don't emit barrier here.
5688 (lower_omp_single_copy): Likewise.
5689 (lower_omp_single): Fix bindings, and lower to straightline now.
5690 (lower_omp_master, lower_omp_ordered): Likewise.
5691 (lower_omp_critical): Likewise.
5692 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5693 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5694 omp edges, free it afterward.
5695 (make_omp_sections_edges): Remove.
5696 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5697 (move_stmt_r): Handle OMP_CONTINUE.
5698 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5699 statement pointers to basic blocks. Add type member.
5700 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5701 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5702 * tree-inline.c (estimate_num_insns_1): Likewise.
5703 * tree-pretty-print.c (dump_generic_node): Likewise.
5704 * tree-ssa-operands.c (get_expr_operands): Likewise.
5705 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5706 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5707 (OMP_CONTINUE): New.
5708 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5709 (OMP_SECTIONS_SECTIONS): Remove.
5710 (OMP_SECTION_LAST): New.
5711 (OMP_RETURN_NOWAIT): New.
5713 2006-04-13 Roger Sayle <roger@eyesopen.com>
5715 * fold-const.c (native_encode_vector, native_interpret_real):
5716 Correct obvious mistakes in the previous check-in.
5718 2006-04-13 Roger Sayle <roger@eyesopen.com>
5720 * fold-const.c (native_encode_expr): New function to encode
5721 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5722 or VECTOR_CST into a specified buffer.
5723 (native_encode_int): New function.
5724 (native_encode_real): New function.
5725 (native_encode_complex): New function.
5726 (native_encode_vector): New function.
5727 (native_interpret_expr): Inverse of native_encode_expr to convert
5728 a target representation into an INTEGER_CST, REAL_CST etc...
5729 (native_interpret_int): New function.
5730 (native_interpret_real): New function.
5731 (native_interpret_complex): New function.
5732 (native_interpret_vector): New function.
5733 (fold_view_convert_expr): New function to constant fold/evaluate
5734 a VIEW_CONVERT_EXPR of a suitable constant expression.
5735 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5736 Change call of build1 to fold_build1 when constructing a
5739 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5740 Ulrich Weigand <uweigand@de.ibm.com>
5743 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5746 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5749 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5750 optimize to lo_sum for DFmode if !TARGET_FPRS.
5752 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5754 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5755 delete_alias_info, compute_flow_sensitive_aliasing,
5756 group_aliases): Use VEC instead of VARRAY.
5757 * tree-ssa-structalias.c (update_alias_info): Likewise.
5758 * tree-ssa-structalias.h (alias_info): Change the type of
5759 processed_ptrs to VEC(tree,heap) *.
5761 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5764 * config/sh/lib1funcs.h: New file, broken out of:
5765 * config/sh/lib1funcs.asm.
5766 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5768 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5769 * config/sh/lib1funcs-Os-4-200.asm: New file.
5770 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5771 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5772 (EXTRA_MULTILIB_PARTS): Include it.
5773 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5774 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5775 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5776 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5779 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5781 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5782 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5783 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5785 * tree-ssa-live.h: Include vecprim.h.
5786 (tree_partition_associator_d): Change the type of
5787 first_partition to VEC(int,heap) *.
5788 (tpa_first_partition): Use VEC instead of VARRAY.
5790 * Makefile.in (GTFILES): Move functions.h after tree.h.
5791 * function.c (reset_block_changes, record_block_change,
5792 check_block_change, free_block_changes): Use VEC instead of
5794 * function.h (function): Change the type of
5795 ib_boundaries_block to VEC(tree,gc) *.
5796 * tree-inline.c (copy_cfg_body): Initialize
5797 ib_boundaries_block to NULL instead of (varray_type) 0.
5799 2006-04-12 Roger Sayle <roger@eyesopen.com>
5801 * expr.c (emit_group_store): Correct operand order in call to
5802 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5803 a SUBREG_BYTE of zero.
5805 2006-04-12 Richard Guenther <rguenther@suse.de>
5807 * profile.c (compute_branch_probabilities): Remove code
5808 encapsulated in !ir_type (), which are remanents of the
5809 removed RTL profiling code.
5810 * rtl-profile.c: Remove.
5812 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5814 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5815 magic NULL_RTX comment.
5816 (function_arg): Store entire fp arg to mem if any part should go
5818 (rs6000_arg_partial_bytes): Adjust for above change.
5820 2006-04-11 Roger Sayle <roger@eyesopen.com>
5822 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5823 if it hasn't been initialized by dwarf2out_init.
5825 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5827 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5828 symbolic constants in branch patterns.
5830 2006-04-11 Roger Sayle <roger@eyesopen.com>
5832 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5834 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5836 PR rtl-optimization/27073
5837 * gcse.c (try_replace_reg): Revert last change. Continue to search
5838 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5841 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5843 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5844 aggregate types other than record and union types.
5845 (function_arg): Likewise.
5846 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5848 (function_value): In 64-bit mode, return objects that require it
5851 2006-04-11 Roger Sayle <roger@eyesopen.com>
5853 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5855 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5857 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5859 2006-04-03 Jeff Law <law@redhat.com>
5862 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5863 alias information too.
5865 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5867 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5869 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5872 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5873 (premark_used_types_helper): New.
5874 (premark_used_types): New.
5875 (gen_subprogram_die): Call premark_used_types.
5876 (prune_unused_types_walk): Do not prune perennial dies.
5877 * function.c (used_types_insert): New.
5878 * function.h (struct function): Add used_types_hash field.
5879 (used_types_insert): Add prototype.
5880 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5881 * c-parser.c (c_parser_cast_expression): Save casted types in used
5884 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5887 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5888 rs6000_explicit_options.float_gprs.
5890 2006-04-10 Roger Sayle <roger@eyesopen.com>
5892 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5893 from ix86_expand_vector_init_low_nonzero. Take an additional
5894 one_var argument indicating which element is non-zero. Support
5895 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5896 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5897 with one_var instead of ix86_expand_vector_init_low_nonzero.
5899 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5901 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5902 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5903 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5904 build/genextract.o): Depend on vecprim.h.
5905 * cfglayout.c, df-problems.c, function.c, genextract.c,
5906 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5907 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5911 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5913 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5914 Declare VECs of this type.
5915 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5916 (remove_children): Delete.
5917 (add_dwarf_attr): Use VEC routines.
5918 (add_AT_flag): Update for changes to add_dwarf_attr.
5919 (add_AT_int): Likewise.
5920 (add_AT_unsigned): Likewise.
5921 (add_AT_long_long): Likewise.
5922 (add_AT_vec): Likewise.
5923 (add_AT_string): Likewise.
5924 (add_AT_die_ref): Likewise.
5925 (add_AT_fde_ref): Likewise.
5926 (add_AT_loc): Likewise.
5927 (add_AT_loc_list): Likewise.
5928 (add_AT_addr): Likewise.
5929 (add_AT_lbl_id): Likewise.
5930 (add_AT_lineptr): Likewise.
5931 (add_AT_macptr): Likewise.
5932 (add_AT_offset): Likewise.
5933 (add_AT_range_list): Likewise.
5934 (get_AT): Use VEC_iterate.
5935 (remove_AT): Use VEC_ordered_remove.
5936 (free_die): Fold remove_children into here; have it use VEC_iterate.
5937 (print_die): Use VEC_iterate on attrs.
5938 (reverse_die_lists): Don't reverse attr lists.
5939 (die_checksum): Use VEC_iterate on attrs.
5940 (same_die_p): Likewise.
5941 (output_location_lists): Likewise.
5942 (build_abbrev_table): Likewise.
5943 (size_of_die): Likewise.
5944 (unmark_all_dies): Likewise.
5945 (output_abbrev_section): Likewise.
5946 (output_die): Likewise.
5947 (prune_unused_types_walk_attribs): Likewise.
5949 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5951 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5953 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5956 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5958 2006-04-09 Roger Sayle <roger@eyesopen.com>
5960 * expr.c (store_constructor): Don't bother clearing target if
5961 we're about to assign a vector to it using vec_init_optab.
5963 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5965 * tree-ssa-alias.c (lhs_may_store_to): New function.
5966 (recalculate_used_alone): Handle LHS of calls.
5968 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5972 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5973 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5974 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5975 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5976 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5977 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5978 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5979 stubs. Add ".align 8" directives before all ".dword" directives.
5980 (GTHREAD_USE_WEAK): Revise comment.
5981 (TARGET_ATTRIBUTE_WEAK): Define.
5982 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5983 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5984 * stublib.c: New file.
5989 * pa.md (cbranch patterns): Revise arguments used in calls to
5990 output_cbranch, output_bb and output_bvd. Add long branch length
5992 (fbranch patterns): Handle long branches.
5993 (jump): Revise length check. Revise arguments for output_lbranch call.
5994 Add long branch length attributes.
5995 (decrement_and_branch_until_zero): Add long branch length attributes.
5996 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5997 Likewise. Revise arguments for output_parallel_addb and
5998 output_parallel_movb calls.
5999 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6000 output_parallel_movb and output_parallel_addb): Update prototypes.
6001 * pa.c (output_cbranch): Revise arguments. Correct handling of
6002 nullification in long branches.
6003 (output_lbranch): Add new argument to control extraction of delay
6005 (output_bb): Handle long branches.
6006 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6007 output_parallel_addb): Likewise.
6009 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6011 PR rtl-optimization/27073
6012 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6015 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6017 * tree.h (tree_memory_tag): Add old_used_alone.
6018 (SMT_OLD_USED_ALONE): New macro.
6019 * tree-ssa-alias.c (recalculate_used_alone): Stop
6020 marking things for renaming unnecessarily.
6022 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6024 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6025 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6026 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6027 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6028 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6029 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6030 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6031 spelling convensions.
6032 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6033 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6034 typos. Follow spelling conventions.
6036 2006-04-07 DJ Delorie <dj@redhat.com>
6038 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6039 passed on the stack.
6040 (m32c_init_cumulative_args): When a function returns a structure,
6041 always pass the pointer to that return area on the stack.
6042 (m32c_function_arg_advance): Don't increment the parameter number
6043 if we're processing the returned structure pointer.
6044 (pushm_info): Reverse order of registers.
6046 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6048 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6049 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6050 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6051 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6053 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6054 chrec_fold_multiply): Same.
6055 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6056 force_expr_to_var_cost): Same.
6057 * tree-mudflap.c (mf_xform_derefs_1): Same.
6058 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6060 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6062 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6063 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6066 2006-04-07 Jan Hubicka <jh@suse.cz>
6068 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6070 2006-04-07 Richard Guenther <rguenther@suse.de>
6072 PR tree-optimization/26135
6073 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6074 loads for store copy-prop.
6075 (copy_prop_visit_stmt): Likewise.
6077 2006-04-05 Robert Millan <robertmh@gnu.org>
6079 * config/i386/linux.h: Add a comment to mark macros that are
6080 being overriden in config/k*bsd-gnu.h.
6081 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6083 * config/knetbsd-gnu.h: Ditto.
6085 2006-04-06 Jan Hubicka <jh@suse.cz>
6089 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6092 2006-04-06 Mike Stump <mrs@apple.com>
6094 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6095 for HAVE_nonlocal_goto to be consistent.
6096 (expand_builtin_nonlocal_goto): Likewise.
6097 (expand_builtin_strcmp): Use #ifdef instead of #if
6098 for HAVE_cmpstrnsi to be consistent.
6100 2006-04-05 DJ Delorie <dj@redhat.com>
6102 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6105 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6107 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6108 got-relative addressing for anything but SImode.
6110 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6111 even if the calling function doesn't modify them.
6113 2006-04-05 Richard Guenther <rguenther@suse.de>
6115 PR tree-optimization/26919
6116 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6117 to cgraph_estimate_size_after_inlining.
6119 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6121 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6123 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6125 PR tree-optimization/26996
6126 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6127 VECTOR_TYPE variables.
6129 2006-04-05 Richard Guenther <rguenther@suse.de>
6131 PR tree-optimization/26763
6132 * fold-const.c (fold_comparison): Move folding of
6133 PTR + CST CMP PTR + CST ...
6134 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6136 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6138 * doc/install.texi (Prerequisites): Refine some wording on
6139 bootstrapping and ksh.
6140 Move the version numbers of DejaGnu here from the testing section
6141 and fix casing of names.
6142 Fix markup and clarify wording for autogen requirements.
6143 Refer to GCJ instead of just java.
6144 Refer to SVN instead of CVS.
6145 Describe diffutils as useful instead of necessary.
6146 (Downloading the source): Refer to SVN instead of CVS.
6147 Adjust a link to our web site accordingly.
6148 (Configuration): Fix casing of Bison.
6149 (Building): Refer to SVN instead of CVS.
6150 Fix a sentence on the use of Bison and remove duplicate (and
6151 incorrect) version number of Bison requirement.
6152 Remove one redundant list of packages needed for building.
6153 (Specific): Avoid reference to CVS.
6155 2006-04-04 Eric Christopher <echristo@apple.com>
6157 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6158 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6159 (rs6000_handle_struct_attribute): New.
6160 (rs6000_ms_bitfield_layout_p): Ditto.
6162 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6164 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6165 NULL for dso parameter to atexit_common.
6167 2006-04-04 Eric Christopher <echristo@apple.com>
6169 * config/i386/i386.c (machopic_output_stub): Output \t
6170 between instructions and operands.
6172 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6174 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6175 satisfies_constraint_[IL] to explicit tests on value.
6177 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6179 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6180 set_nb_iterations_in_loop): Use build_int_cst instead of
6182 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6183 build_int_cst instead of convert.
6185 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6187 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6188 new value 2 for incoming.
6189 * function.c (expand_function_start): Call struct_value_rtx
6191 * config/sparc/sparc.md: Comment updated_return.
6192 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6193 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6194 struct return if sparc_std_struct_return and incoming is 2.
6195 (print_operand): Do not adjust return if
6196 sparc_std_struct_return.
6198 2006-04-04 Roger Sayle <roger@eyesopen.com>
6200 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6201 convert in the middle-end.
6202 * expr.c (store_expr, store_constructor, get_inner_reference,
6203 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6205 * tree.c (build_range_type): Likewise.
6207 2006-04-04 Tom Tromey <tromey@redhat.com>
6209 * doc/install.texi (Prerequisites): Mention jar.
6211 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6213 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6216 2006-04-04 Matthias Klose <doko@debian.org>
6218 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6219 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6222 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6224 * doc/extend.texi (Function Attributes): Rewrite visibility
6225 attribute documentation.
6226 * doc/invoke.texi (C++ Dialect Options): Rewrite
6227 -fvisibility-inlines-hidden documentation to describe something
6228 entirely different, although in practise compatible.
6229 (Code Gen Options): Warn about system headers in -fvisibility=
6232 * doc/extend.texi (Other Builtins): Document that
6233 __builtin_nan is a compile-time constant only when its argument
6236 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6238 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6239 trying to remove TRUNCATE check if all bits outside the new mode
6240 are identical to the sign bit.
6242 2006-04-03 Jeff Law <law@redhat.com>
6244 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6245 and operand scanning in some common cases.
6247 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6248 Dale Johannesen <dalej@apple.com>
6251 * regclass.c (struct reg_pref): Update documentation.
6252 (regclass): Set prefclass to NO_REGS if memory is the best option.
6253 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6254 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6255 into account. For non-registers, equate an empty preferred
6256 reload class to a `!' in the constraint; move the if clause to
6257 do so after those that reject the insn.
6258 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6260 (find_dummy_reload): Likewise.
6261 * doc/tm.texi (Register Classes): Document what it means
6262 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6263 * config/i386/i386.c (ix86_preferred_reload_class): Force
6264 using SSE registers (and return NO_REGS for floating-point
6265 constants) if math is done with SSE.
6266 (ix86_preferred_output_reload_class): New.
6267 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6268 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6269 * config/i386/i386.md: Remove # register preferences.
6271 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6274 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6275 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6276 the type of nb_iter.
6277 (instantiate_parameters_1): Convert the operands before calling
6278 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6279 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6281 2006-04-02 Roger Sayle <roger@eyesopen.com>
6283 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6284 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6286 * dojump.c (do_jump): Likewise.
6287 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6288 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6289 gimplify_boolean_expr): Likewise.
6290 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6291 * varasm.c (array_size_for_constructor): Likewise.
6292 * tree-object-size.c (compute_object_offset): Likewise.
6294 2006-04-02 Roger Sayle <roger@eyesopen.com>
6297 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6298 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6300 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6302 PR tree-optimization/26939
6303 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6305 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6307 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6308 at_stmt. Convert the type of operands before calling
6309 build_polynomial_chrec.
6310 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6312 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6313 (instantiate_parameters_1): Convert the type of operands before calling
6314 build_polynomial_chrec.
6315 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6316 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6317 reset_evolution_in_loop): Insert asserts to check the types of the
6319 (chrec_type): Moved...
6320 (eq_evolutions_p): Use operand_equal_p.
6321 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6322 the types of the operands.
6323 (chrec_type): ...here.
6324 * tree-data-ref.c (create_data_ref): Convert the operands before
6325 calling chrec_replace_initial_condition.
6326 (same_access_functions, analyze_subscript_affine_affine,
6327 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6328 (compute_subscript_distance, analyze_ziv_subscript,
6329 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6330 analyze_miv_subscript): Convert the operands before calling
6331 chrec_fold_minus or chrec_fold_plus.
6333 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6335 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6336 the dependence_relations vector.
6337 (compute_data_dependences_for_loop): Adjust call to
6338 compute_all_dependences.
6340 2006-04-01 Roger Sayle <roger@eyesopen.com>
6341 Richard Henderson <rth@redhat.com>
6343 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6344 gimple_boolify on the condition before calling gimplify_expr.
6346 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6348 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6349 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6350 the frame size. Update to use the new macros.
6351 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6352 * config/xtensa/ieee754-df.S: Likewise.
6354 2006-03-31 Richard Henderson <rth@redhat.com>
6356 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6357 (make_edges): ... here. Control fallthru creation with a local
6358 variable. Do not play with fake edges.
6359 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6360 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6363 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6365 * dwarf2.h (DW64_CIE_ID): Define.
6366 * dwarf2out.c (DWARF_CIE_ID): Define.
6367 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6368 length header. Use DWARF_CIE_ID.
6369 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6370 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6372 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6374 * config/sh/linux-atomic.asm: New file.
6375 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6377 2006-03-31 DJ Delorie <dj@redhat.com>
6379 * config/m32c/cond.md: Set condition flags properly throughout.
6380 * config/m32c/minmax.md: Likewise.
6381 * config/m32c/prologue.md: Likewise.
6382 * config/m32c/bitops.md: Likewise.
6383 * config/m32c/muldiv.md: Likewise.
6384 * config/m32c/mov.md: Likewise.
6385 * config/m32c/addsub.md: Likewise.
6386 * config/m32c/m32c.md: Likewise.
6387 * config/m32c/jump.md: Likewise.
6388 * config/m32c/shift.md: Likewise.
6390 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6391 conditionally output the pattern for this.
6392 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6393 (m32c_compare_redundant): New.
6394 (m32c_output_compare): New.
6395 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6397 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6398 dest, not src. Allow other 4-byte modes.
6400 2006-03-30 Denis Chertykov <denisc@overta.ru>
6402 * doc/md.texi: Refer to avr/constraints.md instead of
6405 2006-03-30 Roger Sayle <roger@eyesopen.com>
6407 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6408 signed vs. unsigned comparison failures on some hosts.
6410 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6413 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6414 change to FLOAT_REGS.
6416 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6417 (rs6000_override_options): Use it.
6418 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6419 only for -mabi=spe/no-spe and -mabi=altivec.
6421 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6423 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6426 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6428 * Makefile.in: Rename docdir to gcc_docdir.
6430 2006-03-30 Roger Sayle <roger@eyesopen.com>
6433 * expr.c (emit_group_store): Optimize group stores into a pseudo
6434 register by using a paradoxical subreg to initialize the destination
6435 if the first or last member of the group specifies a "low part".
6437 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6440 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6441 * target.h (struct gcc_target.speculate_insn): Change type of the
6442 second parameter to 'int'.
6443 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6444 the second operand of the DEPS_LIST.
6445 (copy_DEPS_LIST_list): Update reference to the second operand of the
6447 * rtl.h (alloc_DEPS_LIST): Update signature.
6448 * sched-int.h (ds_t): Change typedef to 'int'.
6449 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6451 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6453 * haifa-sched.c (try_ready): Change condition to restore
6454 non-speculative pattern of the instruction.
6455 (process_insn_depend_be_in_spec): Code to keep probability of the
6456 speculative dependence non-decreasing.
6458 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6460 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6461 (single_move_for_movmem): ... this. Also change all uses.
6462 (bfin_expand_strmov): Renamed to...
6463 (bfin_expand_movmem): ... this. Also change all uses.
6464 * config/bfin/bfin.md (movstrsi): Renamed to...
6465 (movstrsi): ...this.
6467 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6469 PR tree-optimization/26830
6471 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6472 (copy_prop_visit_stmt): Remove write-only variable ann.
6473 (init_copy_prop): Check variable loop depth here. Do not simulate
6474 memory-tag and virtual operand PHIs except for store copy prop.
6476 2006-03-30 Richard Guenther <rguenther@suse.de>
6478 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6479 variants with double arguments.
6481 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6483 * genpreds.c (write_tm_constrs_h): Delete variable p.
6484 * genconditions.c (write_header): Add tm-constrs.h to included
6486 * genpeep.c (main): Add toplev.h to included headers.
6487 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6488 (build/genpeep.o): Add toplev.h dependency.
6489 * config/rs6000/constraints.md: Add "W" constraint.
6491 2006-03-29 Roger Sayle <roger@eyesopen.com>
6493 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6494 sizes by correctly testing whether the size fits a host integer.
6495 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6496 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6497 SImode range for the default sizetype and bitsizetype.
6499 2006-03-29 Roger Sayle <roger@eyesopen.com>
6501 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6502 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6503 quickly if the argument is already of the correct type.
6504 Call fold_build1 instead of build1. Tidy up blank lines.
6506 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6508 * genemit.c (main): Add tm-constrs.h to included headers.
6509 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6510 * genpeep.c (main): Add tm-constrs.h to included headers.
6511 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6512 (write_tm_constrs_h): this and write complete file.
6513 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6514 (write_insn_preds_c): Add tm-constrs.h to included headers.
6515 (gen_constrs): New variable.
6516 (parse_option): Parse "-c".
6517 (main): Invoke write_tm_constrs_h.
6518 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6519 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6520 (object_out_file): Add tm-constrs.h dependency.
6521 (insn-emit.o): Same.
6522 (insn-output.o): Same.
6523 (insn-peep.o): Same.
6524 (insn-preds.o): Same.
6525 (insn-recog.o): Same.
6526 (tm-constsr.h): New target.
6527 (s-constrs-h): New target.
6529 * config/rs6000/constraints.md: New file.
6530 * config/rs6000/rs6000.c: Include tm-constrs.h.
6531 (num_insn_constant_wide): Convert to satisfies_constraint.
6532 (rs6000_rtx_costs): Convert to satisfies_constraint.
6533 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6534 (CONST_OK_FOR_LETTER_P): Delete.
6535 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6536 (EXTRA_CONSTRAINT): Delete.
6537 (EXTRA_MEMORY_CONSTRAINT): Delete.
6538 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6539 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6540 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6541 satisfies_constraint.
6543 * config/i386/i386.c: Include tm-constrs.h.
6545 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6547 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6548 * tree-data-ref.c (find_data_references_in_loop,
6549 compute_data_dependences_for_loop): Use pointers to VEC.
6550 (analyze_all_data_dependences): Adjust calls.
6551 * tree-data-ref.h (find_data_references_in_loop,
6552 compute_data_dependences_for_loop): Adjust declarations.
6553 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6554 compute_data_dependences_for_loop.
6556 2006-03-29 Paul Brook <paul@codesourcery.com>
6558 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6561 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6563 PR tree-optimization/26859
6564 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6566 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6567 for the step after fold_convert.
6569 2006-03-29 Paul Brook <paul@codesourcery.com>
6571 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6572 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6574 2006-03-29 Paul Brook <paul@codesourcery.com>
6577 * targhooks.c (default_narrow_bitfield): New fuction.
6578 * targhooks.h (default_narrow_bitfield): add prototype.
6579 * target.h (gcc_target): Add narrow_volatile_bitfield.
6580 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6581 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6582 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6583 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6585 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6587 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6589 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6590 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6591 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6592 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6593 (s390_function_arg_float): Allow SDmode and DDmode values to be
6594 passed in floating point registers.
6595 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6596 check with SCALAR_FLOAT_MODE_P.
6597 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6599 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6601 PR tree-optimization/25985
6602 * tree-ssa-loop-niter.c (number_of_iterations_le,
6603 number_of_iterations_ne): Make comments more precise.
6604 (number_of_iterations_cond): Add only_exit argument. Use the
6605 fact that signed variables do not overflow only when only_exit
6607 (loop_only_exit_p): New.
6608 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6609 number_of_iterations_cond.
6611 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6613 PR tree-optimization/26643
6614 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6617 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6619 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6620 (divsi3_i4_int): Likewise.
6622 2006-03-28 Roger Sayle <roger@eyesopen.com>
6624 * expr.c (emit_group_store): Only create a new pseudo reg if the
6625 quantity it needs to hold isn't already a suitable pseudo.
6627 2006-03-28 Jeff Law <law@redhat.com>
6629 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6630 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6632 2006-03-28 Roger Sayle <roger@eyesopen.com>
6634 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6635 the equivalent ~X & Y, and the symmetry related transformations.
6636 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6637 ~X & Y, and symmetry related transforms.
6639 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6641 Revert my 2006-03-27 patches.
6643 2006-03-28 Roger Sayle <roger@eyesopen.com>
6645 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6646 ~(T1)X, when T1 and T2 are integer types of the same precision
6647 and (T2)X isn't an extension.
6649 2006-03-28 Jeff Law <law@redhat.com>
6651 PR tree-optimization/26796
6652 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6653 need EH edge cleanups rather than purging them immediately.
6654 (eliminate_degenerate_phis): Handle queued EH cleanups.
6656 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6658 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6661 2006-03-27 Roger Sayle <roger@eyesopen.com>
6664 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6665 cast BIT_NOT_EXPR operand to the correct type.
6667 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6669 * tree-loop-linear.c: Don't include varray.h.
6670 (gather_interchange_stats, try_interchange_loops,
6671 linear_transform_loops): Use VEC instead of VARRAY.
6672 * lambda-mat.c: Don't include varray.h.
6673 * tree-chrec.c: Same.
6674 * lambda-trans.c: Same.
6675 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6676 VEC instead of VARRAY.
6677 * tree-vectorizer.h: Idem.
6678 * tree-data-ref.c (dump_data_references,
6679 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6680 initialize_data_dependence_relation, finalize_ddr_dependent,
6681 compute_all_dependences, find_data_references_in_loop,
6682 compute_data_dependences_for_loop, analyze_all_data_dependences,
6683 free_dependence_relation, free_dependence_relations,
6684 free_data_refs): Idem.
6685 * tree-data-ref.h (data_reference_p, subscript_p): New.
6686 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6687 VEC instead of VARRAY.
6688 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6689 (find_data_references_in_loop, compute_data_dependences_for_loop,
6690 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6691 dump_data_dependence_relations, free_dependence_relations,
6692 free_data_refs): Adjust declaration.
6693 (lambda_transform_legal_p): Move declaration here...
6694 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6695 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6696 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6697 vect_analyze_data_refs): Use VEC instead of VARRAY.
6698 * lambda.h (lambda_transform_legal_p): ...from here.
6699 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6700 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6701 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6702 tree-chrec.o): Don't depend on VARRAY_H.
6704 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6706 * rtl.def (Copyright): Update date.
6707 (DEPS_LIST): Change type of the second operand to 'int'.
6708 * target.h (Copyright): Update date.
6709 (struct gcc_target.speculate_insn): Change type of the second parameter
6711 * lists.c (Copyright): Update date.
6712 (alloc_DEPS_LIST): Change signature. Update reference to the second
6713 operand of the DEPS_LIST.
6714 (copy_DEPS_LIST_list): Update reference to the second operand of the
6716 * rtl.h (Copyright): Update date.
6717 (alloc_DEPS_LIST): Update signature.
6718 * sched-int.h (Copyright): Update date.
6719 (ds_t): Change typedef to 'int'.
6720 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6722 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6724 * haifa-sched.c (Copyright): Update date.
6725 (try_ready): Change condition to restore non-speculative pattern
6727 (process_insn_depend_be_in_spec): Code to keep probability of the
6728 speculative dependence non-decreasing.
6730 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6732 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6733 shut up the compiler.
6735 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6737 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6738 to use lib prefix for target.
6739 ($(T)libic_invalidate_array_4-200.a): Likewise.
6740 ($(T)libic_invalidate_array_4a.a): Likewise.
6742 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6743 J"orn Rennecke <joern.rennecke@st.com>
6745 * superh.opt: New file.
6746 * sh.c (boardtype, osruntime): Remove.
6747 * superh.h (SUBTARGET_OPTIONS): Remove.
6748 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6750 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6751 arguments with ^ and/or [].
6753 * config.gcc (sh-*-*): Add quoting to account for quirk of
6755 Replace == with = in enable_incomplete_targets test.
6757 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6758 with MASK_LITTLE_ENDIAN.
6760 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6761 * config/sh/sh.opt: Added to some comments.
6762 * config/sh/superh.h: Removed some chaff.
6764 * config/sh/sh.opt: Add m4-[1234]00* options.
6765 * config/sh/sh.c (sh_handle_option): Likewise.
6766 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6767 (ic_invalidate_array_4-100.o): New rule.
6768 ($(T)libic_invalidate_array_4-100.a): Likewise.
6769 (ic_invalidate_array_4-200.o): Likewise.
6770 ($(T)libic_invalidate_array_4-200.a): Likewise.
6771 (ic_invalidate_array_4a.o): Likewise.
6772 ($(T)libic_invalidate_array_4a.a): Likewise.
6773 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6774 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6776 * config/sh/crt1.asm: Merged in profiling code.
6777 * config/sh/superh.h (STARTFILE_SPEC): Override.
6778 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6779 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6780 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6782 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6783 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6784 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6786 * sh.opt (mpretend-cmove): New option.
6787 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6788 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6789 (movsicc): Add TARGET_PRETEND_CMOVE code.
6791 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6793 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6794 s390_class_max_nregs): New function prototypes.
6795 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6796 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6797 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6798 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6800 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6802 * dwarf2out.c (add_location_or_const_value_attribute): Call
6803 tree_add_const_value_attribute if nothing else works.
6804 (reference_to_unused): New.
6805 (rtl_for_decl_init): Use reference_to_unused to decide whether
6806 to output an initializer.
6808 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6811 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6812 peephole removing spe frob_di_df_2.
6814 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6816 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6817 (subscript_dependence_tester_1): Declared.
6818 (print_dir_vectors, print_dist_vectors): New.
6819 (debug_data_dependence_relation): New.
6820 (dump_data_dependence_relation): Print more details.
6821 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6822 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6823 (save_dist_v, save_dir_v, add_outer_distances,
6824 build_classic_dist_vector_1): New.
6825 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6826 Don't test for lambda_vector_lexico_pos.
6827 (same_access_functions, add_multivariate_self_dist,
6828 add_other_self_distances, dir_from_dist): New.
6829 (build_classic_dir_vector): Replace implementation almost identical to
6830 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6832 (subscript_dependence_tester_1): New.
6833 (subscript_dependence_tester): Handle the lexicographically negative
6834 distance vectors by recomputing the dependence relation.
6835 (compute_affine_dependence): Remove parameter loop_nest_depth.
6836 (compute_self_dependence): Don't call compute_subscript_distance.
6837 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6838 Add a parameter for the loop_nest.
6839 (find_loop_nest_1, find_loop_nest): New.
6840 (compute_data_dependences_for_loop): Compute the loop nest, and give
6841 up if the nest is not well formed.
6842 * tree-data-ref.h (loop_p): New.
6843 (struct data_dependence_relation): Replace size_vect field with
6844 loop_nest, a vec of loops.
6845 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6846 (DDR_LOOP_NEST): New.
6847 (print_dir_vectors, print_dist_vectors,
6848 debug_data_dependence_relation): Declared.
6849 (index_in_loop_nest): New.
6850 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6851 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6854 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6856 * simplify-rtx.c (simplify_relational_operation): Call
6857 simplify_relational_operation_1 even if mode is VOIDmode.
6859 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6861 PR tree-optimization/26804
6862 * tree.h (DECL_CALL_CLOBBERED): New macro.
6863 (tree_decl_common): Add call_clobbered_flag.
6864 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6865 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6866 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6867 (mark_non_addressable): Ditto.
6868 * tree-ssa.c (verify_call_clobbered): New function.
6869 (verify_alias_info): Use it.
6870 * tree-pass.h (pass_reset_cc_flags): New prototype.
6871 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6872 (reset_cc_flags): New function.
6873 * passes.c (init_optimization_passes): Call reset_cc_flags after
6874 initializing referenced_vars.
6876 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6877 Roger Sayle <roger@eyesopen.com>
6880 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6881 to 1.0 for non-real operands. Implement A / A optimization for
6884 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6886 * config/i386/i386.c (size_cost): Correct the comment for
6887 cost of storing fp registers.
6888 (i386_cost): Likewise.
6889 (i486_cost): Likewise.
6890 (pentium_cost): Likewise.
6891 (pentiumpro_cost): Likewise.
6892 (k6_cost): Likewise.
6893 (athlon_cost): Likewise.
6894 (k8_cost): Likewise.
6895 (pentium4_cost): Likewise.
6896 (nocona_cost): Likewise.
6897 (generic64_cost): Likewise.
6898 (generic32_cost): Likewise.
6900 2006-03-24 Denis Chertykov <denisc@overta.ru>
6902 * config/avr/avr-protos.h (extra_constraint): Delete.
6903 (extra_constraint_Q): New declaration.
6904 * config/avr/constraints.md: New file.
6905 * config/avr/avr.md: Include it.
6906 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6907 (TMP_REGNO, ZERO_REGNO): Likewise.
6908 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6909 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6910 (extra_constraint): Delete.
6911 (extra_constraint_Q): Test for memory constraint 'Q'.
6912 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6913 (REG_CLASS_FROM_LETTER): Delete.
6914 (CONST_OK_FOR_LETTER_P): Delete.
6915 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6916 (EXTRA_CONSTRAINT): Delete.
6917 (TMP_REGNO): Delete.
6918 (ZERO_REGNO): Delete.
6920 2006-03-24 Jeff Law <law@redhat.com>
6922 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6923 directly. Call mark_new_vars_to_rename slightly earlier.
6925 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6927 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6929 (gen_compile_unit_die): Use new language types for Objective-C and
6931 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6932 DW_LANG_C_plus_plus.
6935 * config/t-darwin (crt3.o): Work around bug 26840.
6936 * config/darwin-crt3.c: Rewrite.
6937 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6939 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6941 * doc/invoke.texi: Document -femit-class-debug-always
6942 * common.opt: Add -femit-class-debug-always.
6944 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6946 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6947 index and base register.
6948 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6949 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6950 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6951 REGNO_OK_FOR_INDEX_P.
6952 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6954 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6955 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6956 REG_OK_FOR_BASE_P): Definitions removed.
6958 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6961 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6962 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6963 set yet or weren't marked as local yet.
6965 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6967 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6970 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6972 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6973 (rs6000_legitimate_small_data_p): Delete.
6974 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6975 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6976 and make static. Add forward declaration. Update uses.
6977 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6978 of offsettable_memref_p.
6979 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6980 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6982 2006-03-24 Jeff Law <law@redhat.com>
6984 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6985 around bug in immediate-use iterator.
6987 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6990 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6991 or __LITTLE_ENDIAN__.
6993 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6995 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6996 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6997 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6998 * config/sh/sh.opt (mdiv=): Amend description.
6999 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7000 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7001 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7002 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7003 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7004 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7005 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7006 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7007 TARGET_DIVIDE_CALL_FP.
7009 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7011 * haifa-sched.c (choose_ready): Fix type of the local variable.
7012 Move local variables. Add comment.
7013 (check_reg_live): Change signature. Make callable from debugger.
7014 * sched-int.h (check_reg_live): Update signature.
7015 * sched-ebb.c (check_reg_live): Update parameters.
7016 * sched-rgn.c (check_reg_live): Ditto.
7017 (region_head_or_leaf_p): Check pointer before dereferencing.
7018 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7019 before reload on optimization levels below 1.
7021 2006-03-23 Richard Henderson <rth@redhat.com>
7023 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7027 * config/alpha/predicates.md (local_symbolic_operand): Reject
7030 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7033 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7034 expressions which have overflowed constants.
7036 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7038 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7040 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7042 * cfgloopmanip.c (create_loop_notes): Removed.
7043 * final.c (final_scan_insn): Do not handle loop notes.
7044 * jump.c (squeeze_notes): Ditto.
7045 * cfglayout.c (skip_insns_after_block,
7046 duplicate_insn_chain): Ditto.
7047 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7049 * cfgloop.h (create_loop_notes): Declaration removed.
7051 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7053 * varasm.c (output_constant_pool): Restore fnname and fndecl
7055 (assemble_start_function): Adjust call accordingly.
7056 (assemble_end_function): Likewise.
7058 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7061 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7064 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7066 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7069 * system.h (ICE_EXIT_CODE): New macro.
7070 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7071 (diagnostic_action_after_output): Likewise.
7072 * gcc.c (fatal_ice): New function.
7073 (execute): Use it instead of fatal.
7074 (fancy_abort): Likewise.
7075 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7077 2006-03-22 Jeff Law <law@redhat.com>
7079 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7080 iv_analyze_result returning false.
7082 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7084 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7086 2006-03-22 Richard Henderson <rth@redhat.com>
7089 * except.c (duplicate_eh_regions_0): New.
7090 (duplicate_eh_region_1): Duplicate the children of the node as
7091 well as the node itself. Link them up properly.
7092 (duplicate_eh_region_2): Merge into ...
7093 (duplicate_eh_regions): ... here. Take copy_region argument, and
7094 copy only a sub-tree if asked. Simplify copying and fixup.
7095 (eh_region_outer_p): New.
7096 * except.h (duplicate_eh_regions): Update decl.
7097 (eh_region_outer_p): Declare.
7098 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7099 (lower_omp_master): Likewise.
7100 (lower_omp_ordered): Likewise.
7101 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7102 (move_stmt_r): Use it to remap labels. Handle recursion vs
7103 remap_decls_p properly.
7104 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7105 (find_outermost_region_in_block): New.
7106 (new_label_mapper): New.
7107 (move_sese_region_to_fn): Copy eh information to the new function
7109 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7111 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7114 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7116 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7117 into shared libraries.
7119 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7121 * doc/md.texi: Refer to i386/constraints.md instead of
7123 * config/i386/constraints.md: New file, extracted from...
7124 * config/i386/predicates.md: ...here.
7125 * config/i386/i386.md: Include constraints.md.
7127 2006-03-21 Jason Merrill <jason@redhat.com>
7129 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7132 * expr.c (init_block_move_fn): Force default visibility.
7133 (init_block_clear_fn): Likewise.
7134 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7135 * targhooks.c (default_external_stack_protect_fail): Likewise.
7137 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7139 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7140 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7141 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7142 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7143 (loadgp): Use mips_current_loadgp_style.
7144 (loadgp_noshared): New pattern.
7145 (sibcall_internal): Use MIPS_CALL.
7146 (sibcall_value_internal): Likewise.
7147 (sibcall_value_multiple_internal): Likewise.
7148 (call_internal): Likewise.
7149 (call_value_internal): Likewise.
7150 (call_value_multiple_internal): Likewise.
7151 (call_split): Use MIPS_CALL and add an 'S' constraint.
7152 (call_value_split): Likewise.
7153 (call_value_multiple_split): Likewise.
7154 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7155 (-mshared): New option.
7156 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7157 (mips_current_loadgp_style): Declare.
7158 * config/mips/mips.c (mips_classify_symbol): Avoid using
7159 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7160 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7161 TARGET_ABSOLUTE_ABICALLS.
7162 (override_options): Adjust comments. Improve the warning that is
7163 issued when -mabicalls and -G are used together.
7164 (mips_file_start): Remove comment.
7165 (mips_current_loadgp_style): New function.
7166 (mips_gnu_local_gp): New variable.
7167 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7169 (mips_output_function_prologue): Use mips_current_laodgp_style.
7170 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7171 the cprestore instruction.
7172 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7173 live for TARGET_ABSOLUTE_ABICALLS.
7174 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7175 (ASM_SPEC): Pass down -mshared and -mno-shared.
7176 (MIPS_CALL): New macro.
7177 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7179 * doc/invoke.texi (-mabicalls): Update documentation.
7180 (-mshared): Document.
7182 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7184 * config/ia64/unwind-hpux.c: New file.
7185 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7187 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7190 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7192 2006-03-21 Jeff Law <law@redhat.com>
7194 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7195 type conversions of a VR_VARYING source to a wider type.
7197 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7199 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7200 tm_file on Solaris 10 and later.
7201 (sparc64-*-solaris2*): Likewise.
7202 (sparc-*-solaris2*): Likewise.
7203 * config/sol26.h: Rename to config/sol2-6.h.
7204 * config/sol2-10.h: New file.
7206 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7209 * tree-ssa-pre.c (create_component_ref_by_pieces):
7212 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7215 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7216 return it immediately.
7218 2006-03-21 Michael Matz <matz@suse.de>
7220 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7222 (remove_arc, add_arc): Update num_out_arcs member.
7223 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7225 (cache_presence): New function.
7226 (compare_states_for_equiv): New function.
7227 (state_is_differed): Don't take number of outargs, adjust callers.
7228 Use new invariant for speeding up.
7229 (init_equiv_class): Create initial classes based on sorted
7231 (partition_equiv_class): Don't track out_arcs_num.
7232 (evaluate_equiv_classes): Call cache_presence on all states and
7235 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7237 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7238 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7239 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7240 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7242 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7243 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7244 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7245 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7246 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7248 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7249 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7250 (REGNO_REG_CLASS): ARGP is in PREGS.
7251 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7253 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7254 to deal with those addresses.
7255 * addresses.h: New file.
7256 * caller-save.c: Include "addresses.h".
7257 (init_caller_save): Use new base_reg_class function.
7258 * rtl-factoring.c: Include "addresses.h".
7259 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7260 * recog.c: Include "addresses.h".
7261 (preprocess_constraints): Use new base_reg_class function.
7262 * regrename.c: Include "addresses.h".
7263 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7264 functions. Keep track of a new var INDEX_CODE to compute valid
7266 (replace_oldest_value_addr): Likewise.
7267 (replace_oldest_value_mem): Use base_reg_class.
7268 * reload.c: Include "addresses.h".
7269 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7270 (find_reloads): Use new base_reg_class function.
7271 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7272 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7273 all callers and prototype changed.
7274 * reload1.c: Include "addresses.h".
7275 (maybe_fix_stack_asms): Use base_reg_class.
7276 * regclass.c: Include "addresses.h".
7277 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7278 (init_reg_autoinc): Use new base_reg_class function.
7279 (record_reg_classes): Likewise.
7280 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7281 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7282 Use new args to compute necessary class.
7284 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7285 regrename.o, rtl-factoring.o): Update dependencies.
7286 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7287 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7288 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7289 REG_OK_FOR_INDEX_P): Delete documentation.
7291 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7293 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7294 from V7 to V9 for Solaris 7 and above.
7296 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7298 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7299 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7300 argument pointers may not alias any other storage.
7301 * common.opt: Define option -fargument-noalias-anything.
7302 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7303 alias semantics is specified by flag_argument_noalias > 2.
7305 2006-03-20 Jeff Law <law@redhat.com>
7307 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7308 (pass_phi_only_cprop): Declare.
7309 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7311 * tree-ssa-dom.c (degenerate_phi_result): New function.
7312 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7313 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7314 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7315 (eliminate_degenerate_phis): Likewise.
7316 (pass_phi_only_cprop): New pass descriptor.
7317 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7318 support code. Callers updated.
7319 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7320 (store_copy_prop): Likewise.
7321 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7323 2006-03-20 Jason Merrill <jason@redhat.com>
7326 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7327 (push_visibility, pop_visibility): Likewise.
7328 * c-pragma.h: Declare them.
7330 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7332 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7334 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7335 parameter and use get_ebb_head_tail.
7336 (sh_md_init_global): Adjust uses of find_regmode_weight.
7338 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7340 * function.h (struct function) <x_tail_recursion_reentry>:
7341 Rename to x_stack_check_probe_note.
7342 (tail_recursion_reentry): Rename to stack_check_probe_note.
7343 * function.c: Replace tail_recursion_reentry with
7344 stack_check_probe_note everywhere.
7345 (expand_function_start): Only emit a note for
7346 stack_check_probe_note with -fstack-protect.
7347 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7349 * emit-rtl.c (remove_unnecessary_notes): Remove.
7350 (pass_remove_unnecessary_notes): Remove.
7351 * rtl.h (remove_unnecessary_notes): Remove prototype.
7352 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7353 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7354 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7356 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7359 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7360 (valid_in_set): Handle ARRAY_REF.
7361 Change "if min_variant or VH" to asserts.
7362 (create_component_ref_by_pieces): Handle ARRAY_REF.
7363 (create_expression_by_pieces): Likewise.
7364 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7366 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7368 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7369 is operand of switch, not str[0].
7371 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7373 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7374 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7376 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7378 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7379 end of insn_extra_address_constraint declaration.
7381 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7383 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7384 (no-sum-in-toc): Same.
7385 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7387 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7388 NO_FP_IN_TOC for -fPIC instead of mask.
7390 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7391 (BOOT_LDFLAGS): Delete.
7393 * config/rs6000/t-aix52: Same.
7395 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7396 (stmsi[345678]_power): New.
7398 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7400 * config/ia64/ia64.opt: Add empty line to end of file.
7402 2006-03-17 Richard Guenther <rguenther@suse.de>
7405 * builtins.c (get_pointer_alignment): For component style references
7406 adjust alignment to the component type alignment. Make sure
7407 to adjust alignment for component access of constants.
7409 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7411 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7414 2006-03-17 Paul Brook <paul@codesourcery.com>
7416 * doc/install.texi: Docuemnt --with-mode.
7417 * config.gcc: Add --with-mode for arm*-*-*.
7418 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7420 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7422 * sh.c (max_labelno_before_reorg): New variable.
7423 (sh_reorg): Initialize it.
7424 (find_barrier): Check max_labelno_before_reorg before using
7425 label_to_alignment. Take length of explicit alignment insns
7426 into account. When seeing a UNSPECV_CONST_END, return it.
7428 * sh.c (fixup_mova): Set mode of affected label to QImode.
7429 (untangle_mova): New function.
7430 (find_barrier): Use it. Check mode of label before decrementing
7432 (sh_reorg): Likewise.
7433 Set mode of all insns back to VOIDmode.
7435 * sh.c (MOVA_LABELREF): New macro.
7436 (mova_p, fixup_mova, sh_reorg): Use it.
7437 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7438 ADDR_DIFF_VEC matches mova.
7440 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7442 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7443 with ATTRIBUTE_UNUSED.
7445 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7447 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7448 pointer, instead of assuming it is possible to derive the
7449 correct args size from a call insn.
7451 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7453 * rtl.h (CONST_INT_P): Define.
7454 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7455 instead of GET_CODE(x) == CONST_INT.
7456 (vax_rtx_costs): Likewise.
7457 (vax_output_int_move): Likewise.
7458 (vax_output_int_add): Likewise.
7459 (legitimate_constant_address_p): Likewise.
7460 (index_term_p): Likewise.
7461 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7462 * config/vax/vax.md (and<mode>3): Likewise.
7463 (ashrsi3): Likewise.
7465 (movstricthi): Likewise.
7466 (movstrictqi): Likewise.
7467 (rotrsi3): Likewise.
7468 (five unnamed insns): Likewise.
7470 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7472 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7473 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7474 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7475 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7476 Pass to ASM_OUTPUT_DWARF_OFFSET.
7477 * dwarf2out.c (debug_frame_section): New.
7478 (output_call_frame_info): Use debug_frame_section. Pass it to
7479 dw2_asm_output_offset.
7480 (output_die): Pass appropriate section to dw2_asm_output_offset.
7481 (output_compilation_unit_header): Likewise.
7482 (output_pubnames): Likewise.
7483 (output_aranges): Likewise.
7484 (enum dw_val_class): Break dw_val_class_lbl_offset into
7485 dw_val_class_lineptr and dw_val_class_macptr.
7486 (add_AT_lbl_offset): Delete.
7487 (add_AT_lineptr): New.
7488 (add_AT_macptr): New.
7489 (AT_lbl): Expect a lineptr or macptr.
7490 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7491 (attr_checksum): Likewise.
7492 (same_dw_val_p): Likewise.
7493 (size_of_die): Likewise.
7494 (value_format): Likewise.
7495 (output_die): Likewise.
7496 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7498 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7499 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7500 * config/darwin-protos.h (darwin_file_start): New.
7501 (darwin_asm_output_dwarf_offset): New.
7502 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7503 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7505 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7506 if not EH section; simplify.
7507 (darwin_file_start): New.
7508 (darwin_asm_output_dwarf_offset): New.
7509 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7511 (DEBUG_INFO_SECTION): Likewise.
7512 (DEBUG_ABBREV_SECTION): Likewise.
7513 (DEBUG_ARANGES_SECTION): Likewise.
7514 (DEBUG_MACINFO_SECTION): Likewise.
7515 (DEBUG_LINE_SECTION): Likewise.
7516 (DEBUG_LOC_SECTION): Likewise.
7517 (DEBUG_PUBNAMES_SECTION): Likewise.
7518 (DEBUG_STR_SECTION): Likewise.
7519 (DEBUG_RANGES_SECTION): Likewise.
7520 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7521 (ASM_OUTPUT_DWARF_OFFSET): New.
7523 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7525 * config.gcc (tm_defines): Always add to previous value rather
7528 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7530 * config/mips/predicates.md (splittable_const_int_operand): New,
7531 split from move_operand.
7532 (splittable_symbolic_operand): New.
7533 (move_operand): Add commentary. Use splittable_const_int_operand.
7534 Inline mips_atomic_symbolic_constant_p.
7535 * config/mips/mips.md: Add combine splitters for handling moves
7536 of splittable_const_int_operands and splittable_symbolic_operands.
7537 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7538 (mips_split_symbol): Declare.
7539 (mips_move_integer): Declare.
7540 * config/mips/mips.c (mips_split_p): Make global.
7541 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7542 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7543 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7544 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7545 (mips_offset_within_object_p): Handle block symbols.
7546 (mips_atomic_symbolic_constant_p): Delete.
7547 (mips_cannot_force_const_mem): Return false for constants that
7548 mips_legitimize_move can handle.
7549 (mips_use_blocks_for_constant_p): New function.
7550 (mips_split_symbol): Make global.
7551 (mips_move_integer): Likewise. Add a temporary register argument.
7552 (mips_legitimize_const_move): Use splittable_const_int_operand and
7553 splittable_symbolic_operand.
7554 (mips_use_anchors_for_symbol_p): New function.
7555 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7556 (mips_split_p): Declare.
7558 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7560 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7561 (mips*-*-linux*): Likewise.
7563 2006-03-16 Roger Sayle <roger@eyesopen.com>
7564 Daniel Speyer <dspeyer@wam.umd.edu>
7567 * tree-dump.c (dump_real): New function.
7568 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7569 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7570 (tree-dump.o): Add $(REAL_H) to the dependencies.
7572 2006-03-16 Roger Sayle <roger@eyesopen.com>
7575 * real.c (real_from_string): If the mantissa is zero, don't bother
7576 parsing the exponent as the result should always be zero.
7578 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7580 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7582 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7584 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7585 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7586 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7587 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7588 ia64_sched_finish_global): New static functions to implement
7589 hooks from gcc_target.sched.
7590 (spec_check_no, max_uid, pending_data_specs): New static variables.
7591 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7592 ia64_spec_check_src_p): New static functions.
7593 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7594 (TARGET_SCHED_ADJUST_COST): Removed.
7595 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7596 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7597 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7598 TARGET_SCHED_GEN_CHECK,
7599 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7600 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7601 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7602 Fixed to handle speculation checks.
7603 (rtx_needs_barrier): Fixed to handle speculative loads and
7605 (ia64_variable_issue): Added code to count speculative loads and their
7607 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7609 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7611 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7613 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7614 (ia64_reorg): Reset stops_p to NULL after it is freed.
7615 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7616 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7617 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7619 (data_speculative, control_speculative, check_load): New attributes.
7620 (mov<mode>_advanced, mov<mode>_speculative,
7621 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7622 zero_extend<mode>di2_speculative,
7623 zero_extend<mode>di2_speculative_advanced): New patterns for
7624 data and control speculative loads.
7625 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7627 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7628 New pattern for data and control speculation checks.
7629 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7630 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7631 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7632 Auxiliary definitions for the patterns.
7633 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7634 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7636 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7638 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7639 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7640 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7641 New resource constraints.
7642 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7644 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7645 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7646 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7647 msched-in-control-spec, msched-ldc, msched-control-ldc,
7648 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7649 msched-prefer-non-control-spec-insns,
7650 msched-count-spec-in-critical-path): New flags to tune speculative
7652 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7653 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7654 msched-in-control-spec, msched-ldc, msched-control-ldc,
7655 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7656 msched-prefer-non-control-spec-insns,
7657 msched-count-spec-in-critical-path): Document new flags.
7659 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7661 * target.h (struct spec_info_def): New opaque declaration.
7662 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7663 speculate_insn, needs_block_p, gen_check,
7664 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7665 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7666 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7667 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7668 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7669 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7671 (TARGET_SCHED): Use new macros.
7672 * rtl.h (copy_DEPS_LIST_list): New prototype.
7673 * sched-int.h (struct sched_info): Change signature of new_ready field,
7674 adjust all initializations. New fields: add_remove_insn,
7675 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7676 region_head_or_leaf_p.
7677 (struct spec_info_def): New structure declaration.
7678 (spec_info_t): New typedef.
7679 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7680 recovery_block, orig_pat.
7681 (glat_start, glat_end): New variables declaraions.
7682 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7684 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7685 DETACH_LIFE_INFO, USE_GLAT.
7686 (enum SPEC_SCHED_FLAGS): New enumeration.
7687 (NOTE_NOTE_BB_P): New macro.
7688 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7689 attach_life_info, debug_spec_status, check_reg_live): New functions.
7690 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7691 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7693 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7694 * ddg.c (get_block_head_tail): Adjust all uses.
7695 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7696 (sms_sched_info): Initialize new fields.
7697 (contributes_to_priority): Removed.
7698 * haifa-sched.c (params.h): New include.
7699 (get_block_head_tail): Adjust all uses.
7700 (ISSUE_POINTS): New macro.
7701 (glat_start, glat_end): New global variables.
7702 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7703 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7704 old_last_basic_block, before_recovery, current_sched_info_var,
7705 rgn_n_insns, luid): New static variables.
7706 (insn_cost1): New function. Move logic from insn_cost to here.
7707 (find_insn_reg_weight1): New function. Move logic from
7708 find_insn_reg_weight to here.
7709 (reemit_notes, move_insn, max_issue): Change signature.
7710 (move_insn1): Removed.
7711 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7712 extend_bb): New static functions to support extension of scheduler's
7714 (generate_recovery_code, process_insn_depend_be_in_spec,
7715 begin_speculative_block, add_to_speculative_block,
7716 init_before_recovery, create_recovery_block, create_check_block_twin,
7717 fix_recovery_deps): New static functions to support
7718 generation of recovery code.
7719 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7720 restore_bb_notes, move_block_after_check, move_succs): New static
7721 functions to support ebb scheduling.
7722 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7723 functions to support handling of register live information.
7724 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7725 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7726 add_jump_dependencies): New static functions.
7727 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7728 consistancy checking.
7729 (debug_spec_status): New function to call from debugger.
7730 (priority): Added code to handle speculation checks.
7731 (rank_for_schedule): Added code to distinguish speculative instructions.
7732 (schedule_insn): Added code to handle speculation checks.
7733 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7734 Fixed to handle ebbs.
7735 (move_insn): Added code to handle ebb scheduling.
7736 (max_issue): Added code to use ISSUE_POINTS of instructions.
7737 (choose_ready): Added code to choose between speculative and
7738 non-speculative instructions.
7739 (schedule_block): Added code to handle ebb scheduling and scheduling of
7740 speculative instructions.
7741 (sched_init): Initialize new variables.
7742 (sched_finish): Free new variables. Print statistics.
7743 (try_ready): Added code to handle speculative instructions.
7744 * lists.c (copy_DEPS_LIST_list): New function.
7745 * sched-deps.c (extend_dependency_caches): New function. Move logic
7746 from create_dependency_caches to here.
7747 (get_dep_weak, ds_merge): Make global.
7748 * genattr.c (main): Code to output prototype for
7749 dfa_clear_single_insn_cache.
7750 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7751 (output_dfa_clean_insn_cache_func): Code to output
7752 dfa_clear_single_insn_cache function.
7753 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7755 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7757 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7758 New static variables.
7759 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7760 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7762 (ebb_sched_info): Initialize new fields.
7763 (get_block_head_tail): Adjust all uses.
7764 (compute_jump_reg_dependencies): Fixed to use glat_start.
7765 (schedule_ebb): Code to remove unreachable last block.
7766 (schedule_ebbs): Added code to update register live information.
7767 * sched-rgn.c (region_sched_info): Initialize new fields.
7768 (get_block_head_tail): Adjust all uses.
7769 (last_was_jump): Removed. Adjust users.
7770 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7771 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7772 Implement new hooks.
7773 (check_dead_notes1): New static function.
7774 (struct region): New fields: dont_calc_deps, has_real_ebb.
7775 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7776 (BB_TO_BLOCK): Fixed to handle EBBs.
7777 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7778 (ebb_head): New static variable.
7779 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7780 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7782 (compute_dom_prob_ps): New assertion.
7783 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7784 global_live_at_start.
7785 (init_ready_list): New assertions.
7786 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7787 (new_ready): Add support for BEGIN_CONTROL speculation.
7788 (schedule_insns): Fixed code that updates register live information
7790 (schedule_region): Fixed to handle EBBs.
7791 (init_regions): Use extend_regions and check_dead_notes1.
7792 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7793 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7794 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7795 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7796 TARGET_SCHED_GEN_CHECK,
7797 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7798 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7799 * doc/invoke.texi (max-sched-insn-conflict-delay,
7800 sched-spec-prob-cutoff): Document.
7802 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7804 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7805 inter_tick, queue_index.
7806 (struct sched_info): Change signature of init_ready_list field.
7807 Adjust all initializations.
7808 (RESOLVED_DEPS): New access macro.
7809 (ready_add): Remove prototype.
7810 (try_ready): Add prototype.
7811 * sched-rgn.c (init_ready_list): Use try_ready.
7812 (schedule_region): Initialize
7813 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7814 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7815 (init_ready_list): Use try_ready.
7816 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7817 * lists.c (remove_list_elem): Remove `static'.
7818 (remove_free_INSN_LIST_elem): New function.
7819 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7820 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7821 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7823 (readyp): New variable.
7824 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7825 change_queue_index, resolve_dep): New static functions.
7826 (try_ready): New function. Adjust callers in sched-rgn.c and
7827 sched-ebb.c to use it instead of ready_add.
7828 (clock_var): Move at the begining of file.
7829 (rank_for_schedule): Fix typo.
7830 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7831 (ready_lastpos): Enforce assertion.
7832 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7834 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7835 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7836 (queue_to_ready): Use free_INSN_LIST_list.
7837 (early_queue_to_ready): Fix typo.
7838 (schedule_block): Init readyp. Move init_ready_list call after the
7839 initialization of clock_var. Fix error in rejecting insn by
7840 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7841 that previously corrected INSN_TICKs. Add code for handling
7843 (set_priorities): Fix typo.
7844 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7845 Clarify comment and code that keeps current_sched_info->next_tail
7848 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7850 * sched-rgn.c (extend_rgns): New static function.
7851 (find_rgns): Use it.
7852 (gather_region_statistics, print_region_statistics): New static
7854 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7855 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7857 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7858 Andrey Belevantsev <abel@ispras.ru>
7860 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7861 * lists.c (unused_deps_list): New variable.
7862 (free_list): Add assertions to verify the proper distinguishing
7863 between INSN_LISTs and DEPS_LISTs.
7864 (find_list_elem, remove_list_elem, remove_list_node): New static
7866 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7867 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7868 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7869 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7871 (free_INSN_LIST_node): Likewise.
7872 * modulo-sched.c (current_sched_info): Initialize flags field.
7873 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7874 * rtl.def (DEPS_LIST): Define.
7875 * rtl.h: Declare new functions from lists.c.
7876 * sched-deps.c (spec_dependency_cache): New static variable.
7877 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7878 (add_dependence): Change return type to void. Move the logic to ...
7879 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7880 (delete_all_dependences): Add comment about forward_dependency_cache.
7881 Handle spec_dependency_cache. Handle DEPS_LISTs.
7882 (fixup_sched_groups): Clarify the change of priority of output
7883 and anti dependencies.
7884 (sched_analyze_2): Adjust add_dependence calls to create data
7885 speculative dependence.
7886 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7887 Adjust all callers. Handle DEPS_LISTS.
7888 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7889 presence of speculation.
7890 (init_dependency_caches, free_dependency_caches):
7891 Handle spec_dependency_cache.
7892 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7893 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7894 New static functions.
7895 (add_or_update_back_dep, add_or_update_back_forw_dep,
7896 add_back_forw_dep, delete_back_forw_dep): New functions.
7897 * sched-int.h (ds_t, dw_t): New typedefs.
7898 (struct sched_info): Add new field flags.
7899 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7900 Prototype new sched-deps.c functions.
7901 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7902 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7903 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7904 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7905 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7906 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7908 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7910 * sched-rgn.c (current_sched_info): Initialize flags field.
7911 (schedule_insns): Initialize current_sched_info before the sched_init
7913 * sched-ebb.c (current_sched_info): Initialize flags field.
7914 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7915 Call add_or_update_back_dep instead of add_dependence.
7916 Create control speculative dependencies.
7917 (schedule_insns): Initialize current_sched_info before the sched_init
7920 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7922 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7924 (sh_fallback_frame_state): Likewise.
7926 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7928 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7929 Do switch on default_use_cxa_atexit.
7930 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7931 * config/darwin-crt3.o: New.
7932 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7933 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7934 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7936 * config/rs6000/t-darwin: Move crt2.o building to here.
7937 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7938 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7941 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7943 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7944 from '! xxx' to '!xxx' for coding-style conformance.
7945 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7946 (EXTRA_CONSTRAINT): Likewise.
7947 * config/vax/vax.md (four unnamed insns): Likewise.
7949 2006-03-15 Paul Brook <paul@codesourcery.com>
7951 * config/arm/arm.c (minipool_pad): New.
7952 (add_minipool_forward_ref): Include pool alignment padding in address
7954 (push_minipool_fix): Set minipool_pad.
7955 (minipool_pad): Ditto.
7957 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7959 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7960 instead of GET_CODE() == MEM and REG_P() instead of
7962 (print_operand_address): Likewise.
7963 (vax_address_cost): Likewise.
7964 (vax_rtx_costs): Likewise.
7965 (vax_notice_update_cc): Likewise.
7966 (vax_output_int_add): Likewise.
7967 (INDEX_REGISTER_P): Likewise.
7968 (BASE_REGISTER_P): Likewise.
7969 (nonindexed_address_p): Likewise.
7970 (vax_mode_dependent_address_p): Likewise.
7971 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7972 (PRINT_OPERAND): Likewise.
7973 * config/vax/vax.md (ashlsi3): Likewise.
7974 (ashlsi3): Likewise.
7975 (some more unnamed insns): Likewise.
7977 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7979 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7980 iterator-style macro.
7981 (mark_control_dependent_edges_necessary): Update the use of
7982 EXECUTE_IF_CONTROL_DEPENDENT.
7984 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7986 * config/sh/predicates.md (cache_address_operand): Special.
7987 (ua_address_operand): Likewise.
7989 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7991 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7993 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7995 2006-03-15 Andreas Schwab <schwab@suse.de>
7997 * gensupport.c (identify_predicable_attribute): Don't free p_false
7998 when it is still in use.
8000 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8002 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8003 the default setting here.
8005 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8007 * tree-pass.h (pass_cfg): Remove.
8008 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8009 * passes.c (pass_cfg): Don't run it.
8011 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8013 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8014 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8016 (stack_regs_mentioned): Update the uses of
8017 stack_regs_mentioned_data. Don't access the array beyond its
8019 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8020 Don't include gt-reg-stack.h.
8022 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8023 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8025 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8028 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8031 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8033 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8035 2006-03-14 Richard Guenther <rguenther@suse.de>
8037 PR tree-optimization/26672
8038 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8041 2006-03-14 Richard Guenther <rguenther@suse.de>
8043 PR tree-optimization/26667
8044 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8045 node for the callees. Always allow inlining if it will shrink
8048 2006-03-14 Richard Guenther <rguenther@suse.de>
8051 * builtins.c (get_pointer_alignment): Prefer alignment
8052 information from decls over that from types.
8054 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8057 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8059 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8061 * config/rs6000/rs6000.opt (mdlmzb): New option.
8062 (msched-prolog, msched-epilog): Use Var not Mask.
8063 * doc/invoke.texi (-mdlmzb): Document.
8064 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8066 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8067 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8069 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8071 PR rtl-optimization/25739
8072 * bt-load.c (augment_live_range): Free tos pointer.
8074 * gensupport.c (identify_predicable_attribute): Free
8076 * gcov.c (create_file_names): Free name pointer.
8078 2006-03-13 Roger Sayle <roger@eyesopen.com>
8081 * stmt.c (emit_case_nodes): Handle the case where the index is a
8082 CONST_INT, where the comparison mode is specified by the index type.
8084 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8086 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8089 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8091 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8092 (*branch_fp_inverted): Likewise.
8094 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8097 * omp-low.c (expand_omp_for_generic): Mark istart0
8098 and iend0 as addressable.
8100 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8102 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8104 2006-03-13 Jeff Law <law@redhat.com>
8106 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8107 virtual operands are interesting.
8108 (vrp_visit_stmt): Corresponding changes.
8110 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8112 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8114 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8115 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8116 * config/bfin/crti.S: Use it instead of __PIC__.
8117 * config/bfin/crtn.S: Likewise.
8119 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8120 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8122 Lose 'G' modifier for call operand.
8123 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8124 recognize 'G' modifier.
8126 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8129 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8130 * stmt.c (expand_case): Likewise.
8132 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8134 PR rtl-optimization/26254
8135 * loop-invariant.c (seq_insns_valid_p): New function.
8136 (move_invariant_reg): Only emit new code if it is valid.
8138 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8140 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8142 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8143 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8144 (commit_one_edge_insertion): Do not look for loop notes.
8146 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8148 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8149 flag_test_coverage out of loop.
8151 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8153 * final.c (shorten_branches): Remove outdated comment, and turn
8154 the if branch that guards it to continue.
8156 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8158 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8159 * cfgloop.h (struct loop): Remove unused fields.
8161 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8163 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8164 (-dL, -fdump-rtl-loop2): Update the dump file names
8166 * doc/invoke.texi: Update dump file names.
8168 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8170 * predict.c (estimate_probability): Remove.
8171 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8172 * basic-block.h (estimate_probability): Remove prototype.
8173 * passes.c (finish_optimization_passes): Dump branch prediction or
8174 profiling heuristics to the .profile tree dump.
8175 (init_optimization_passes): Unqueue pass_branch_prob.
8177 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8179 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8181 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8182 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8184 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8186 * function.h (frame_offset_overflow): Declare.
8187 * function.c (frame_offset_overflow): New function.
8188 (assign_stack_local_1): Call it to detect that the offset overflows.
8189 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8191 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8193 * config/sh/sh.c: Include alloc-pool.h.
8194 (label_ref_list_pool): New alloc pool.
8195 (label_ref_list_t): New type for lists of labels.
8196 (struct pool_node): Make wend a label_ref_list_t.
8197 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8199 (dump_table): Likewise.
8200 (sh_reorg): Set up the alloc pool before using add_constant and
8201 dump_table, and destroy it when finishing.
8203 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8205 * config/mips/mips.c: Remove redundant comment.
8207 2006-03-10 Jason Merrill <jason@redhat.com>
8210 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8211 the target was declared 'register'.
8213 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8215 * genpreds.c (write_insn_constraint_len): Change definition of
8216 insn_constraint_len to return size_t to match the declaration.
8218 2006-03-10 DJ Delorie <dj@redhat.com>
8220 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8222 (m32c_expand_insv): Fix test for an AND mask.
8224 2006-03-10 Richard Guenther <rguenther@suse.de>
8227 * builtins.c (get_pointer_alignment): Handle component
8228 references for field alignment.
8230 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8232 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8233 when building with libgloss.
8234 (sh*elf): Implement --without-fp option.
8235 (sh64-superh-linux*): Don't multilib.
8237 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8239 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8241 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8243 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8244 Set it when one of the replacement functions returned true.
8245 Return TODO_cleanup_cfg if cfgchanged is true.
8246 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8248 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8250 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8251 instead of gen_lowpart.
8253 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8255 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8257 (mips_output_order_conditional_branch): Declare.
8258 * config/mips/mips.h (MIPS_BRANCH): New macro.
8259 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8260 for the comparison. Use gen_condjump.
8261 (mips_output_conditional_branch): Rework interface to take the
8262 asm templates for a direct branch and the inverse of a direct branch.
8263 (mips_output_order_conditional_branch): New function.
8264 (mips_builtin_branch_and_move): New function.
8265 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8266 branch condition. Use gen_single_cc as the condition for
8267 __builtin_mips_upper_* or __builtin_mips_lower_*.
8268 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8269 Use VOIDmode for the branch condition.
8270 * config/mips/predicates.md (order_operator): New predicate.
8271 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8272 (branch_fp): Rename to...
8273 (*branch_fp): ...this. Remove mode from comparison operator.
8274 Use new mips_output_conditional_branch interface.
8275 (branch_fp_inverted): Rename to...
8276 (*branch_fp_inverted): ...this and update as for *branch_fp.
8277 (*branch_zero<mode>): Rename to...
8278 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8279 Use mips_output_order_conditional_branch. Only accept ordered
8281 (*branch_zero<mode>_inverted): Rename to...
8282 (*branch_order<mode>_inverted): ...this and update as for
8283 *branch_order<mode>.
8284 (*branch_equality<mode>): Accept zero as the second operand to
8285 the equality operator. Use the new mips_output_conditional_branch
8287 (*branch_equality<mode>_inverted): Likewise.
8288 (condjump): New expander.
8289 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8291 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8292 (bc1any2t, bc1any2f): Likewise.
8293 (single_cc): New expander.
8294 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8296 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8298 * doc/md.texi: Update documentation of MIPS constraints.
8299 * config/mips/constraints.md: New file.
8300 * config/mips/mips.md: Include it.
8301 * config/mips/mips.c (mips_char_to_class): Delete.
8302 (override_options): Don't initialize mips_char_to_class.
8303 * config/mips/mips.h (mips_char_to_class): Delete.
8304 (REG_CLASS_FROM_LETTER): Delete.
8305 (CONST_OK_FOR_LETTER_P): Delete.
8306 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8307 (EXTRA_CONSTRAINT_Y): Delete.
8308 (EXTRA_CONSTRAINT_STR): Delete.
8309 (CONSTRAINT_LEN): Delete.
8310 (EXTRA_MEMORY_CONSTRAINT): Delete.
8312 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8314 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8315 original fn's eh regions.
8317 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8319 * fold-const.c (build_range_check): Make sure to use a valid type to
8320 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8323 (range_predecessor): New static function.
8324 (range_successor): Likewise.
8325 (merge_ranges): Use them to compute predecessors and successors of
8328 2006-03-09 Roger Sayle <roger@eyesopen.com>
8331 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8332 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8334 2006-03-08 DJ Delorie <dj@redhat.com>
8336 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8337 (addpsi3): Expand to include memory operands. Remove
8338 reload-specific splits.
8339 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8340 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8341 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8342 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8343 (shift1_qi, shift1_hi, insv): New.
8344 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8345 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8346 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8348 * config/m32c/m32c-protos.h: Update as needed.
8349 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8350 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8351 Fail for unrecognized R* constraints.
8352 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8353 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8354 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8356 (m32c_init_libfuncs): New.
8357 (m32c_legitimate_address_p): Add debug wrapper.
8358 (m32c_rtx_costs): New.
8359 (m32c_address_cost): New.
8360 (conversions): Add 'B' prefix.
8361 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8362 operands, or word regnames for QI operands. 'B' prints bit
8364 (m32c_expand_setmemhi): New.
8365 (m32c_expand_movmemhi): New.
8366 (m32c_expand_movstr): New.
8367 (m32c_expand_cmpstr): New.
8368 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8369 (m32c_expand_neg_mulpsi3): Handle non-ints.
8370 (m32c_cmp_flg_0): New.
8371 (m32c_expand_movcc): New.
8372 (m32c_expand_insv): New.
8373 (m32c_scc_pattern): New.
8374 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8375 a0/a1 out of SIregs.
8376 (STORE_FLAG_VALUE): New.
8377 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8380 * config/m32c/mov.md: Make constraints more liberal.
8381 (zero_extendqihi2): Optimize r0/r1 case.
8382 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8383 * config/m32c/predicates.md (m32c_any_operand): New.
8384 (m32c_nonimmediate_operand): New.
8385 (m32c_hl_operand): New.
8386 (m32c_r3_operand): New.
8389 (memsym_operand): New.
8390 (memimmed_operand): New.
8391 (a_qi_operand): New.
8392 (m32c_eqne_operator): New.
8393 (m32c_1bit8_operand): New.
8394 (m32c_1bit16_operand): New.
8395 (m32c_1mask8_operand): New.
8396 (m32c_1mask16_operand): New.
8397 * config/m32c/blkmov.md: New file.
8398 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8400 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8402 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8403 unsigned to fix signed/unsigned comparison issue in
8404 DWARF2_FRAME_REG_OUT.
8405 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8406 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8408 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8409 of ptr into the ENABLE_CHECKING section.
8411 2006-03-08 Jeff Law <law@redhat.com>
8413 * tree-vrp.c (infer_value_range): Only count pointer uses
8414 and dereferences if -fdelete-null-pointer-checks is enabled.
8416 * tree-vrp.c (find_assert_locations): Infer value ranges for
8417 single use pointers, but do not create ASSERT_EXPRs for them.
8418 When a non-null range is inferred for a pointer, backwards
8419 propagate that range to other equivalent pointers through the
8422 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8425 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8426 language hook targets.
8427 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8428 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8429 if language hook targets were missing.
8431 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8433 * tree-ssa-opfinalize.h: Removed.
8434 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8436 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8437 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8438 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8439 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8440 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8441 finalize_ssa_v_must_def_ops): New.
8443 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8445 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8448 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8450 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8452 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8453 addresses with offsets; reorganize.
8455 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8456 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8457 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8459 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8462 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8464 2006-03-08 Ben Elliston <bje@au.ibm.com>
8466 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8468 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8471 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8474 2006-03-07 Richard Guenther <rguenther@suse.de>
8476 PR tree-optimization/26587
8477 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8479 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8481 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8483 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8485 * hooks.c (hook_bool_mode_rtx_true): New function.
8486 * hooks.h (hook_bool_mode_rtx_true): Declare.
8487 * toplev.c (compile_file): Call output_shared_constant_pool.
8488 * varasm.c (shared_constant_pool): New variable.
8489 (assemble_start_function, assemble_end_function): Remove arguments
8490 from call to output_constant_pool.
8491 (create_constant_pool): New function, split out from...
8492 (init_varasm_status): ...here.
8493 (force_const_mem): Choose between the shared and per-function constant
8494 pools. Set current_function_uses_const_pool when reusing old entries
8495 as well as when creating new ones.
8496 (mark_constant): Ignore data argument.
8497 (mark_constants): Remove pool argument.
8498 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8499 to decide whether the function uses a constant pool.
8500 (output_constant_pool_contents): New function, split out from...
8501 (output_constant_pool): ...here.
8502 (output_shared_constant_pool): New function.
8503 (init_varasm_once): Initialize shared_constant_pool.
8504 * output.h (output_constant_pool): Delete.
8505 (output_shared_constant_pool): Declare.
8506 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8507 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8509 2006-03-06 Nick Clifton <nickc@redhat.com>
8511 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8512 flag_strength_reduce.
8514 2006-03-06 Ben Elliston <bje@au.ibm.com>
8516 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8517 x86_64-*-linux* configurations.
8519 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8520 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8522 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8524 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8526 * basic-block.h: Remove the extern for
8527 rediscover_loops_after_threading.
8529 * cfgloop.c (cancel_loop): Make it static.
8530 * cfgloop.h: Remove the prototype for cancel_loop.
8532 * flow.c (recompute_reg_usage): Make it static.
8533 * rtl.h: Remove the prototype for recompute_reg_usage.
8535 * function.c (use_return_register): Make it static.
8536 * function.h: Remove the prototype.
8538 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8540 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8542 * recog.h: Remove the prototype for
8543 validate_change_maybe_volatile.
8545 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8547 * rtlanal.c (replace_reg): Remove.
8548 * rtl.h: Remove the prototype for replace_reg.
8550 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8552 * regclass.c (reg_scan_update): Remove.
8553 (reg_scan_mark_refs): Remove the last argument.
8554 * rtl.h: Remove the prototype for reg_scan_update.
8556 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8558 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8559 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8560 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8561 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8562 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8563 loop-invariant.c, omp-low.c, opts.c, passes.c,
8564 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8565 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8566 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8567 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8568 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8569 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8571 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8573 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8574 * dwarf2out.h: Remove the prototype for
8575 dwarf2out_add_library_unit_info.
8577 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8579 * tree.c (add_var_to_bind_expr): Remove.
8580 * tree.h: Remove the prototype for add_var_to_bind_expr.
8582 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8584 * regclass.c (n_non_fixed_regs): Remove.
8585 (init_reg_sets_1, globalize_reg): Remove all uses of
8587 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8589 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8591 * rtlanal.c (insns_safe_to_move_p): Remove.
8592 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8594 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8596 * expmed.c (expand_mult_add): Remove.
8597 * expr.h: Remove the prototype for expand_mult_add.
8599 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8601 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8602 and REG_SAVED_VAL_EXP constants.
8603 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8604 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8605 Handle regs stored by value.
8606 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8607 (execute_cfa_program): Handle DW_CFA_val_offset,
8608 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8609 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8610 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8611 (uw_install_context_1): Handle target regs stored by value.
8613 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8615 * tree-sra.c (tree_sra): Return todoflags;
8616 (generate_one_element): Set TODO_update_smt_usage if needed.
8617 (pass_sra): Remove TODO_update_smt_usage.
8618 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8620 (tree_ssa_forward_propagate_single_use_vars): Return
8621 TODO_update_smt_usage if we need to update SMT usage.
8622 (pass_forwprop): Remove TODO_update_smt_usage.
8624 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8626 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8627 (correct_use_link): Remove reference to get_stmt_operands.
8628 (update_stmt_operands): Likewise.
8629 (get_modify_expr_operands): New function factored out of
8630 parse_ssa_operands and get_expr_operands.
8631 Try to create V_MUST_DEFs for LHS by default.
8632 (get_expr_operands) <case MODIFY_EXPR>: Call
8633 get_modify_expr_operands.
8634 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8635 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8636 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8637 get_modify_expr_operands.
8639 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8641 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8642 * tree-flow.h: Remove the prototype for
8643 referenced_var_lookup_if_exists.
8645 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8647 PR rtl-optimization/26345
8649 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8651 2006-03-03 Roger Sayle <roger@eyesopen.com>
8653 PR tree-optimization/26524
8654 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8655 fold_convert to create a constant of the appropriate type.
8657 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8659 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8660 SYMBOL_REF_IN_BLOCK_P.
8661 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8662 of SYMBOL_FLAG_IN_BLOCK.
8663 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8664 instead of SYMBOL_REF_IN_BLOCK_P.
8665 * explow.c (use_anchored_address): Likewise.
8666 * rtl.c (rtx_size): Likewise.
8667 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8668 instead of SYMBOL_FLAG_IN_BLOCK.
8669 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8670 SYMBOL_REF_IN_BLOCK_P.
8671 (assemble_variable): Likewise.
8672 (output_constant_def_contents): Likewise.
8673 (output_constant_pool): Likewise.
8674 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8675 instead of SYMBOL_FLAG_IN_BLOCK.
8676 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8677 SYMBOL_REF_IN_BLOCK_P.
8678 (SYMBOL_REF_BLOCK): Likewise.
8679 (SYMBOL_REF_OFFSET): Likewise.
8680 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8681 SYMBOL_REF_IN_BLOCK_P.
8682 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8683 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8684 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8685 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8687 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8689 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8691 2006-03-02 Roger Sayle <roger@eyesopen.com>
8693 * simplify-rtx.c (simplify_unary_operation): When simplifying
8694 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8695 that we perform the right shift in the appropriate mode, and
8696 then extend or truncate the result to requested mode.
8698 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8700 * gengtype.c (main): Handle double_int type.
8701 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8702 * double-int.c: New file.
8703 * double-int.h: New file.
8704 * system.h: Include doubleint.h.
8705 * Makefile.in (SYSTEM_H): Include double-int.h.
8706 (double-int.o): Add.
8708 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8711 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8714 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8716 * tree-vrp.c (remove_range_assertions): Do not update statements
8719 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8721 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8723 * gcse.c (rest_of_handle_gcse): Ditto.
8724 * except.c (gate_handle_eh): Ditto.
8725 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8726 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8728 2006-03-02 Eric Christopher <echristo@apple.com>
8730 * config/i386/i386.c (machopic_output_stub): Add indirection to
8733 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8737 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8739 Sun Niagara specific optimizations.
8740 * config.gcc: Recognize niagara as target.
8741 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8742 (TARGET_CPU_niagara): Define.
8743 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8744 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8745 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8746 (ASM_CPU_SPEC): Likewise.
8747 (PROCESSOR_NIAGARA): New enum entry.
8748 (REGISTER_MOVE_COST): Handle Niagara.
8749 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8750 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8751 (sparc_override_options): Recognize "niagara", set appropriate
8752 default MASK_* values for it, and align functions to 32-bytes
8753 by default just like ULTRASPARC/ULTRASPARC3.
8754 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8755 (sparc64_initialize_trampoline): Likewise.
8756 (sparc_use_sched_lookahead): Use zero for niagara.
8757 (sparc_issue_rate): Use one for niagara.
8758 * config/sparc/niagara.md: New file.
8759 * config/sparc/sparc.md: Include it.
8760 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8761 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8762 when default cpu is niagara.
8763 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8764 (ASM_CPU_SPEC): Likewise.
8765 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8766 when default cpu is niagara.
8767 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8768 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8769 just like v9/ultrasparc/ultrasparc3.
8770 * doc/invoke.texi: Add documentation for "niagara" and improve
8771 existing documentation for ultrasparc variants.
8773 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8775 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8777 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8779 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8780 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8781 and say that only one is needed.
8782 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8783 * target.h (have_switchable_bss_sections): New hook.
8784 * explow.c (use_anchored_address): Check that the symbol is in a block.
8785 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8786 (bss_noswitch_section): New variables.
8787 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8788 (get_noswitch_section): New function.
8789 (get_block_for_section): Allow SECT to be null.
8790 (unlikely_text_section_p): Use SECTION_STYLE.
8791 (bss_initializer_p): New function.
8792 (get_variable_section): Move earlier in file. Take a new argument,
8793 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8794 Return one of the new *_sections in such cases.
8795 (get_block_for_decl): New function, extracting some logic from
8796 use_blocks_for_decl_p.
8797 (change_symbol_section): Remove in favor of...
8798 (change_symbol_block): ...this new function.
8799 (use_blocks_for_decl_p): Remove checks now performed by
8801 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8802 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8803 (emit_local, emit_bss, emit_common): ...these new functions.
8804 Return true if the alignment was honored.
8805 (emit_tls_common): New function.
8806 (asm_emit_uninitialised): Delete.
8807 (assemble_variable_noswitch): New function, split out from...
8808 (assemble_variable): ...here. Don't make decisions about common
8809 variables here. Globalize all public decls that go into non-common
8810 sections. Check whether SYMBOL_REF_BLOCK is null.
8811 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8812 (output_constant_pool): Likewise.
8813 (init_varasm_once): Initialize the new section variables.
8814 (have_global_bss_p): New function.
8815 (categorize_decl_for_section): Use bss_initializer_p.
8816 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8817 (place_block_symbol): Assert that the symbol must be in a block.
8818 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8819 (TARGET_INITIALIZER): Include it.
8820 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8821 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8822 (SECTION_MACH_DEP): Bump by two.
8823 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8824 (unnamed_section): Mention SECTION_UNNAMED in comment.
8825 (named_section): Likewise SECTION_NAMED.
8826 (noswitch_section_callback): New type.
8827 (noswitch_section): New structure.
8828 (section): Add a noswitch_section alternative.
8829 (SECTION_STYLE): New macro.
8830 (tls_comm_section, comm_section, lcomm_section): Declare.
8831 (bss_noswitch_section, have_global_bss_p): Declare.
8832 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8833 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8835 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8836 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8839 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8841 * tree-vrp.c (execute_vrp): Return value.
8842 * regrename.c (rest_of_handle_regrename): Ditto.
8843 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8844 * tree-complex.c (tree_lower_complex): Ditto.
8845 (tree_lower_complex_O0): Ditto.
8846 * tracer.c (rest_of_handle_tracer): Ditto.
8847 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8848 * postreload.c (rest_of_handle_postreload): Ditto.
8849 * tree-tailcall.c (execute_tail_recursion): Ditto.
8850 (execute_tail_calls): Ditto.
8851 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8852 * tree.h (init_function_for_compilation): Ditto.
8853 * ipa-cp.c (ipcp_driver): Ditto.
8854 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8855 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8856 * final.c (compute_alignments): Ditto.
8857 (rest_of_handle_final): Ditto.
8858 (rest_of_handle_shorten_branches): Ditto.
8859 (rest_of_clean_state): Ditto.
8860 * omp-low.c (execute_expand_omp): Ditto.
8861 (execute_lower_omp): Ditto.
8862 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8863 * ipa-reference.c (static_execute): Ditto.
8864 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8865 * reorg.c (rest_of_handle_delay_slots): Ditto.
8866 (rest_of_handle_machine_reorg): Ditto.
8867 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8868 * flow.c (recompute_reg_usage): Ditto.
8869 (rest_of_handle_remove_death_notes): Ditto.
8870 (rest_of_handle_life): Ditto.
8871 (rest_of_handle_flow2): Ditto.
8872 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8873 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8874 (do_ssa_store_ccp): Ditto.
8875 (execute_fold_all_builtins): Ditto.
8876 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8877 * modulo-sched.c (rest_of_handle_sms): Ditto.
8878 * ipa-pure-const.c (static_execute): Ditto.
8879 * cse.c (rest_of_handle_cse): Ditto.
8880 (rest_of_handle_cse2): Ditto.
8881 * web.c (rest_of_handle_web): Ditto.
8882 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8883 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8884 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8885 * tree-nrv.c (tree_nrv): Ditto.
8886 (execute_return_slot_opt): Ditto.
8887 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8888 (create_structure_vars): Ditto.
8889 * loop-init.c (rtl_loop_init): Ditto.
8890 (rtl_loop_done): Ditto.
8891 (rtl_move_loop_invariants): Ditto.
8892 (rtl_unswitch): Ditto.
8893 (rtl_unroll_and_peel_loops): Ditto.
8894 (rtl_doloop): Ditto.
8895 * gimple-low.c (lower_function_body): Ditto.
8896 (mark_used_blocks): Ditto.
8897 * tree-ssa-sink.c (execute_sink_code): Ditto.
8898 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8899 (cgraph_early_inlining): Ditto.
8900 * global.c (rest_of_handle_global_alloc): Ditto.
8901 * jump.c (cleanup_barriers): Ditto.
8902 (purge_line_number_notes): Ditto.
8903 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8904 (rest_of_handle_if_after_reload): Ditto.
8905 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8906 (tree_ssa_loop_im): Ditto.
8907 (tree_ssa_loop_unswitch): Ditto.
8908 (tree_vectorize): Ditto.
8909 (tree_linear_transform): Ditto.
8910 (tree_ssa_loop_ivcanon): Ditto.
8911 (tree_ssa_empty_loop): Ditto.
8912 (tree_ssa_loop_bounds): Ditto.
8913 (tree_complete_unroll): Ditto.
8914 (tree_ssa_loop_prefetch): Ditto.
8915 (tree_ssa_loop_ivopts): Ditto.
8916 (tree_ssa_loop_done): Ditto.
8917 * predict.c (tree_estimate_probability): Ditto.
8918 * recog.c (split_all_insns_noflow): Ditto.
8919 (rest_of_handle_peephole2): Ditto.
8920 (rest_of_handle_split_all_insns): Ditto.
8921 * tree-eh.c (lower_eh_constructs): Ditto.
8922 * regmove.c (rest_of_handle_regmove): Ditto.
8923 (rest_of_handle_stack_adjustments): Ditto.
8924 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8925 * function.c (instantiate_virtual_regs): Ditto.
8926 (init_function_for_compilation): Ditto.
8927 (rest_of_handle_check_leaf_regs): Ditto.
8928 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8929 (rest_of_handle_gcse): Ditto.
8930 * ipa-type-escape.c (type_escape_execute): Ditto.
8931 * alias.c (rest_of_handle_cfg): Ditto.
8932 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8933 * profile.c (rest_of_handle_branch_prob): Ditto.
8934 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8935 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8936 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8937 * tree-dfa.c (find_referenced_vars): Ditto.
8938 * except.c (set_nothrow_function_flags): Ditto.
8939 (convert_to_eh_region_ranges): Ditto.
8940 (rest_of_handle_eh): Ditto.
8941 * emit-rtl.c (unshare_all_rtl): Ditto.
8942 (remove_unnecessary_notes): Ditto.
8943 * except.h (set_nothrow_function_flags): Ditto.
8944 (convert_to_eh_region_ranges): Ditto.
8945 * cfgexpand.c (tree_expand_cfg): Ditto.
8946 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8947 * tree-ssa-pre.c (do_pre): Ditto.
8948 (execute_fre): Ditto.
8949 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8950 (rest_of_handle_jump2): Ditto.
8951 * tree-sra.c (tree_sra): Ditto.
8952 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8953 (execute_mudflap_function_decls): Ditto.
8954 * tree-ssa-copy.c (do_copy_prop): Ditto.
8955 (do_store_copy_prop): Ditto.
8956 * ipa-prop.h (ipcp_driver): Ditto.
8957 * cfglayout.c (insn_locators_initialize): Ditto.
8958 * tree-ssa-forwprop.c
8959 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8960 * cfglayout.h (insn_locators_initialize): Ditto.
8961 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8962 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8963 (execute_late_warn_uninitialized): Ditto.
8964 * rtl.h (cleanup_barriers): Ditto.
8965 (split_all_insns_noflow): Ditto.
8966 (purge_line_number_notes): Ditto.
8967 (unshare_all_rtl): Ditto.
8968 (remove_unnecessary_notes): Ditto.
8969 (recompute_reg_usage): Ditto.
8970 (variable_tracking_main): Ditto.
8971 * integrate.c (emit_initial_value_sets): Ditto.
8972 * integrate.h (emit_initial_value_sets): Ditto.
8973 * tree-optimize.c (execute_free_datastructures): Ditto
8974 (execute_free_cfg_annotations): Ditto.
8975 (execute_fixup_cfg): Ditto.
8976 (execute_cleanup_cfg_pre_ipa): Ditto.
8977 (execute_cleanup_cfg_post_optimizing): Ditto.
8978 (execute_init_datastructures): Ditto.
8979 * tree-object-size.c (compute_object_sizes): Ditto.
8980 * combine.c (rest_of_handle_combine): Ditto.
8981 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8982 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8983 (rest_of_handle_reorder_blocks): Ditto.
8984 (rest_of_handle_partition_blocks): Ditto.
8985 * var-tracking.c (variable_tracking_main): Ditto.
8986 * tree-profile.c (tree_profiling): Ditto.
8987 * tree-vect-generic.c (expand_vector_operations): Ditto.
8988 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8989 * sched-rgn.c (rest_of_handle_sched): Ditto.
8990 (rest_of_handle_sched2): Ditto.
8991 * basic-block.h (free_bb_insn): Ditto.
8992 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8993 * tree-cfg.c (execute_build_cfg): Ditto.
8994 (remove_useless_stmts): Ditto.
8995 (split_critical_edges): Ditto.
8996 (execute_warn_function_return): Ditto.
8997 (execute_warn_function_noreturn): Ditto.
8998 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8999 * cfgrtl.c (free_bb_for_insn): Ditto.
9000 * passes.c (execute_one_pass): Run additional
9001 todos returned by execute function.
9002 * tree-pass.h (struct tree_opt_pass): Make execute
9005 2006-03-02 Richard Guenther <rguenther@suse.de>
9007 * tree-ssa-alias.c (find_used_portions): Consider taking
9008 the address as making the variable not write-only.
9010 2006-03-02 Nick Clifton <nickc@redhat.com>
9012 * config.gcc (default_use_cxa_atexit): Extend the description of
9013 this configure variable. Set its default value to "yes" for
9014 Linux, NetBSD and ELF targets on the assumption that they will
9015 use C libraries with the __cxa_atexit function.
9017 2006-03-02 Ben Elliston <bje@au.ibm.com>
9019 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9020 parameter as unused to suppress a build warning.
9022 2006-03-02 Ben Elliston <bje@au.ibm.com>
9024 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9027 2006-03-01 Roger Sayle <roger@eyesopen.com>
9030 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9031 declared name, the weak reference name, and the typeof name.
9032 (__gthrw): Avoid expanding the declared name suffix.
9033 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9035 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9037 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9039 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9040 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9041 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9042 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9043 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9044 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9045 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9046 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9047 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9048 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9049 (DW_END_default, DW_END_big, DW_END_little): New.
9050 (DW_END_lo_user, DW_END_hi_user): Define.
9051 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9052 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9053 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9056 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9058 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9060 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9062 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9064 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9066 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9067 to 'symbol_mem_tag'.
9069 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9072 2006-03-01 Roger Sayle <roger@eyesopen.com>
9074 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9076 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9079 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9080 MACHO_DYNAMIC_NO_PIC_P.
9081 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9083 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9086 * config/darwin-protos.h (darwin_asm_output_anchor):
9088 * config/darwin-sections.def (cstring_section):
9089 Add SECTION_MERGE to the flags.
9090 (literal4_section): Likewise.
9091 (literal8_section): Likewise.
9092 (objc_selector_refs_section): Likewise.
9093 (objc_cls_refs_section): Likewise.
9094 * config/darwin.c (darwin_asm_output_anchor): New
9096 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9098 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9100 Fix PR tree-optimization/26443
9101 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9102 to todo and PROP_tmt_usage to properties_destroyed.
9103 * tree-ssa-ccp.c (pass_ccp): Ditto.
9104 (pass_store_ccp): Ditto.
9105 * tree-ssa-dom.c (pass_dominator): Ditto.
9107 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9109 * tree-ssa-operands.c: Cleanup whitespace.
9110 (get_asm_expr_operands): Move before first invocation.
9111 (get_indirect_ref_operands): Likewise.
9112 (get_tmr_operands): Likewise.
9113 (get_call_expr_operands): Likewise.
9114 (append_def): Likewise.
9115 (append_use): Likewise.
9116 (append_v_may_def): Likewise.
9117 (append_v_must_def): Likewise.
9118 (add_call_clobber_ops): Likewise.
9119 (add_call_read_ops): Likewise.
9120 (add_stmt_operand): Likewise.
9121 (add_virtual_operand): Likewise.
9122 (build_ssa_operands): Likewise.
9124 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9129 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9130 with a call expr to ...
9131 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9133 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9135 * tree-vrp.c (extract_range_from_assert): Remove special
9136 handling for types with super-types.
9138 2006-03-01 Ben Elliston <bje@au.ibm.com>
9140 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9141 and powerpc64-*-linux* configurations.
9142 * config/t-dfprules: New file.
9144 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9145 Compile dfp-bit.c from the source directory using -DWIDTH and
9146 $DFP_CFLAGS to control the compilation of that file, rather than
9147 generating width-specific versions in the build directory.
9148 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9149 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9151 2006-02-28 Zack Weinberg <zackw@panix.com>
9153 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9156 2006-02-28 Eric Christopher <echristo@apple.com>
9158 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9159 Set up IN_LIBGCC definition of TARGET_64BIT.
9160 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9162 2006-02-28 Roger Sayle <roger@eyesopen.com>
9165 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9166 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9167 cases via the construction of "expr != 0".
9169 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9171 * alias.c (alias_invariant, alias_invariant_size): Remove.
9172 (record_base_value): Remove.
9173 (memrefs_conflict_p): Don't look at alias_invariant.
9174 (end_alias_analysis): Don't free it.
9175 * alias.h (record_base_value): Remove prototype.
9177 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9178 Adam Nemet <anemet@caviumnetworks.com>
9180 * rtl.h (truncated_to_mode): Declare it.
9181 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9182 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9183 (RTL_HOOKS_INITIALIZER): Include it.
9184 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9185 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9186 reg_truncated_to_mode.
9187 * rtlanal.c (truncated_to_mode): Define it.
9188 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9190 2006-02-28 Jeff Law <law@redhat.com>
9192 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9193 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9194 the range allowed by TYPE_PRECISION.
9196 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9198 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9200 PR tree-optimization/26419
9201 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9204 2006-02-27 Zack Weinberg <zackw@panix.com>
9206 * doc/md.texi: Fix typo in previous change.
9208 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9212 2006-02-27 Zack Weinberg <zackw@panix.com>
9214 * rtl.def (define_constraint, define_register_constraint)
9215 (define_memory_constraint, define_address_constraint): New MD forms.
9216 * gensupport.c (process_rtx): Put define_constraint etc on the
9218 * genpreds.c (process_define_predicate): Adjust comment. Validate
9219 the name, and call validate_exp to validate the expression.
9220 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9221 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9222 all callers changed.
9223 (validate_exp, needs_variable, struct constraint_data)
9224 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9225 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9226 (const_dbl_constraints, constraint_max_namelen)
9227 (have_register_constraints, have_memory_constraints)
9228 (have_address_constraints, have_address_constraints)
9229 (have_extra_constraints, have_const_int_constraints)
9230 (have_const_dbl_constraints, mangle, add_constraint)
9231 (process_define_constraint, process_define_register_constraint)
9232 (write_enum_constraint_num, write_lookup_constraint)
9233 (write_insn_constraint_len, write_regclass_for_constraint)
9234 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9235 (write_insn_extra_memory_constraint)
9236 (write_insn_extra_address_constraint)
9237 (write_satisfies_constraint_fns): New.
9238 (write_tm_preds_h): If we have new-style constraint definitions,
9239 prototype the functions generated from them, and define the
9240 old constraint interface (still used by generic code) in terms of
9242 (write_insn_preds_c): If we have new-style constraint definitions,
9243 generate all relevant functions from those definitions.
9244 (main): Handle define_constraint etc.
9245 * genoutput.c (struct constraint_data, indep_constraints)
9246 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9247 (mdep_constraint_len): New data structures and functions, defined
9248 #ifdef USE_MD_CONSTRAINTS.
9249 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9250 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9251 use new logic to validate operand constraints against constraint
9253 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9255 * defaults.h: If none of the old-style constraint macros are
9256 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9257 old-style macros; and poison REG_CLASS_FROM_LETTER,
9258 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9260 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9261 * doc/md.texi: Document new constraint-definition mechanism and the
9262 C interface it provides. Remove references to old mechanism
9263 elsewhere in the document.
9264 (Machine Constraints): Use pathnames relative to gcc directory,
9265 i.e. config/ARCH/FILE. Change i386 section to refer to
9266 config/i386/predicates.md; update that section to match docstrings.
9267 * doc/tm.texi: Move all documentation of the old constraint-
9268 definition macros to their own section, clearly mark as obsolete.
9270 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9271 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9273 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9274 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9275 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9277 (splits and peepholes): Use satisfies_constraint_*.
9278 * config/i386/i386.c (memory_address_length)
9279 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9281 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9283 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9284 scalar operation to be put back into the loop.
9286 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9289 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9290 (extract_cie_info): Handle S flag in augmentation string.
9291 (execute_cfa_program): If context->signal_frame, execute also
9292 fs->pc == context->ra instructions.
9293 (uw_frame_state_for): If context->signal_frame, don't subtract one
9294 from context->ra to find FDE.
9295 (uw_update_context_1): Set context->signal_frame to
9297 (_Unwind_GetIPInfo): New function.
9298 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9299 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9301 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9302 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9303 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9304 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9305 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9306 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9307 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9308 x86_64_fallback_frame_state): Set fs->signal_frame.
9309 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9310 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9311 (frob_update_context): Likewise. Workaround missing S flag in
9312 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9313 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9314 Remove the psw_addr + 1 hack.
9316 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9318 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9319 with aggregates here.
9320 (find_func_aliases): Remove code for &<aggregate> from here.
9322 2006-02-26 Roger Sayle <roger@eyesopen.com>
9324 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9325 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9326 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9329 2006-02-26 Roger Sayle <roger@eyesopen.com>
9332 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9334 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9336 * opts.c (decode_options): Do not handle flag_strength_reduce.
9337 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9338 and OPT_fstrength_reduce.
9339 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9340 flag_prefetch_loop_arrays for being nonzero.
9341 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9343 (fprefetch-loop-arrays-rtl): Removed.
9344 (flag_prefetch_loop_arrays): Do not specify the value.
9346 * doc/passes.texi: Update documentation of loop optimizer
9348 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9349 -frerun-loop-opt): Remove.
9351 2006-02-26 Richard Guenther <rguenther@suse.de>
9353 PR tree-optimization/26421
9354 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9355 in function calls that are ADDR_EXPRs as using the whole structure.
9357 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9359 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9360 * tree-pass.h (pass_loop_optimize): Remove.
9361 * passes.c (pass_loop_optimize): Never run it.
9362 * toplev.c (backend_init): Don't call init_loop.
9363 * opts.c (flag_loop_optimize_set): Remove.
9364 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9365 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9366 the old RTL loop optimizer when profiling enabled.
9367 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9368 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9369 pre-headers for the sake of the old RTL loop optimizer.
9370 * Makefile.in: Remove all references to loop.o.
9372 * doc/invoke.texi: Remove all references to -floop-optimize
9373 and -frerun-loop-opt.
9375 2006-02-26 Zack Weinberg <zackw@panix.com>
9377 * doc/md.texi (Machine Constraints): Refer to all files with paths
9378 relative to gcc directory (i.e. config/CPU/file). Add missing
9379 @table @code ... @end table to M32C subsection.
9381 2006-02-26 Roger Sayle <roger@eyesopen.com>
9383 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9385 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9387 2006-02-26 Roger Sayle <roger@eyesopen.com>
9388 James A. Morrison <phython@gcc.gnu.org>
9391 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9392 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9393 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9394 signedness of the shift operation.
9396 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9398 PR tree-optimization/26359
9399 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9401 2006-02-25 Roger Sayle <roger@eyesopen.com>
9403 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9404 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9405 as X == 0, and some symmetry related transformations.
9406 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9408 2006-02-25 Roger Sayle <roger@eyesopen.com>
9411 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9412 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9413 symmetry related transformations. Fold (X^C1) == C2 as
9416 2006-02-25 Juergen Weigert <jw@suse.de>
9417 Richard Guenther <rguenther@suse.de>
9419 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9421 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9423 * combine.c (gen_lowpart_or_truncate): Call
9424 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9426 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9428 * doc/invoke.texi: Move -fopenmp description to "Options for
9430 Remove reference to -lgomp.
9432 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9434 * doc/install.texi: Require GNU tar version 1.14.
9436 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9438 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9439 * doc/invoke.texi (C++ Dialect Options): Document
9440 -fno-use-cxa-get-exception-ptr.
9441 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9442 * configure: Regenerate.
9443 * c.opt (fuse-cxa-get-exception-ptr): New.
9444 * c-opts.c (c_common_handle_option): Handle
9445 OPT_fuse_cxa_get_exception_ptr.
9446 * c-common.c (flag_use_cxa_atexit): Update documentation.
9447 (flag_use_cxa_get_exception_ptr): New.
9448 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9449 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9451 (C_COMMON_OVERRIDE_OPTIONS): New.
9453 2006-02-24 Roger Sayle <roger@eyesopen.com>
9456 * combine.c (try_combine): Explicitly check whether GET_CODE is
9457 a SET or a CLOBBER, instead on checking that it isn't a USE.
9459 2006-02-24 Roger Sayle <roger@eyesopen.com>
9461 * fold-const.c (fold_comparison): New subroutine of fold_binary
9462 containing transformations common to both the equality and
9463 ordering relational operators, factored out of fold_binary.
9464 (fold_binary): Separate out the equality operators (EQ_EXPR
9465 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9466 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9467 transformations common to both.
9468 (fold_div_compare): Fix latent bugs in the previously unreachable
9469 LT_EXPR and GE_EXPR cases.
9471 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9473 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9474 decl libname for clog to __clog on AIX.
9476 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9478 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9481 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9482 output traceback table for thunks. Localise rs6000_stack_info call.
9484 2006-02-23 Roger Sayle <roger@eyesopen.com>
9485 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9487 * gthr-posix.h (__gthrw): Fix typo in comment.
9489 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9491 * doc/cpp.texi (Character sets): Document that we do support
9492 input files to be in any character set.
9494 2006-02-23 Jeff Law <law@redhat.com>
9496 * tree.h (PHI_ARG_NONZERO): Remove.
9497 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9498 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9499 node to the new node.
9501 PR tree-optimization/26425
9502 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9503 min/max, then assume its varying.
9505 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9507 PR rtl-optimization/26316
9508 * rtlanal.c (enum may_trap_p_flags): New.
9509 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9510 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9511 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9512 (may_trap_after_code_motion_p): New function.
9513 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9514 (find_invariant_insn): Use may_trap_after_code_motion_p.
9515 * rtl.h (may_trap_after_code_motion_p): Declare.
9517 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9519 * emit-rtl.c (immed_double_const): Cleanup.
9521 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9523 Fix PR tree-optimization/26376
9524 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9527 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9530 * gimplify.c (omp_add_variable): Guard variable size decl test with
9531 DECL_SIZE (decl) check.
9533 2006-02-23 Richard Guenther <rguenther@suse.de>
9536 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9537 like aggregate types.
9539 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9541 * configure.ac: Add --with{,out}-long-double-128 configure option.
9542 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9543 * configure: Rebuilt.
9544 * config.in: Rebuilt.
9545 * doc/install.texi (Options specification): Document
9546 --with-long-double-128.
9548 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9549 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9550 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9551 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9553 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9555 * config/s390/s390.c (override_options): Handle
9556 TARGET_DEFAULT_LONG_DOUBLE_128.
9558 * config/alpha/alpha.c (override_options): Handle
9559 TARGET_DEFAULT_LONG_DOUBLE_128.
9561 * config/sparc/sparc.c (sparc_override_options): Handle
9562 TARGET_DEFAULT_LONG_DOUBLE_128.
9564 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9566 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9567 (real-install-headers-tar, real-install-headers-cpio)
9568 (real-install-headers-cp): New targets.
9570 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9572 * tree.h (variable_section): Delete.
9573 * varasm.c (variable_section): Delete.
9575 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9577 * install.texi: Add notes on install.texi2html.
9578 (Building in parallel): Do not use footnotes.
9580 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9583 * doc/install.texi (Configuration): Document --disable-libgomp.
9585 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9587 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9589 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9591 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9592 (vec_extractv2df_0_sse): New.
9594 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9596 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9597 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9598 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9599 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9600 to the result of the expression.
9601 (def_cfa_1): Adjust.
9602 (frame_pointer_cfa_offset): Rename to...
9603 (frame_pointer_fb_offset): ... this. Adjust all uses.
9604 (convert_cfa_to_loc_list): Rename to...
9605 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9606 Pass it on to build_cfa_loc.
9607 (compute_frame_pointer_to_cfa_displacement): Rename to...
9608 (compute_frame_pointer_to_fb_displacement): ... this. New
9609 offset parameter. Use it in computation.
9610 (gen_subprogram_die): Compute cfa_fb_offset with the new
9611 macro, and use it to compute the fb loc list and the
9614 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9616 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9617 replaced with register_operand.
9618 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9619 non-DREG is expensive.
9620 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9621 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9624 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9626 * doc/install.texi2html: Use set -e.
9628 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9630 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9631 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9632 * doc/invoke.texi (-fshared-data): Delete.
9633 * common.opt (fshared-data): Delete.
9634 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9635 (assemble_static_space): Remove #if 0 code.
9636 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9637 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9638 * config/cris/cris.h: Remove FIXME.
9640 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9642 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9645 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9648 * combine.c (simplify_shift_const_1): Disable nested shifts
9649 optimization for vector shifts.
9651 2006-02-20 Roger Sayle <roger@eyesopen.com>
9653 PR tree-optimization/26361
9654 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9655 of unsigned integer types.
9657 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9659 * tree-chrec.c (eq_evolutions_p): New.
9660 * tree-chrec.h (eq_evolutions_p): Declared.
9661 * tree-data-ref.c: Fix formatting.
9662 (datadep_stats, dependence_stats): New.
9664 (print_direction_vector): New.
9665 (dump_data_dependence_relation): Use print_direction_vector.
9666 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9667 (compute_subscript_distance): Static.
9668 (initialize_data_dependence_relation): Static. Get the number
9669 of loops surrounding the references from the callers, and initialize
9670 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9671 base_object_differ_p analyzers.
9672 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9673 compute_overlap_steps_for_affine_1_2,
9674 analyze_subscript_affine_affine): Count the classified dependences.
9675 Print a message when a test failed.
9676 (can_use_analyze_subscript_affine_affine): New.
9677 (analyze_siv_subscript): Compute the data dependences on symbolic
9678 scevs that verify can_use_analyze_subscript_affine_affine.
9679 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9680 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9681 Handle symbolic scevs.
9682 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9684 (subscript_dependence_tester): Moved...
9685 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9686 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9687 DDR_SIZE_VECT instead of getting it in parameter.
9688 (subscript_dependence_tester): ... here. Take as a parameter
9689 loop_nest_depth. Call build_classic_dist_vector and
9690 build_classic_dir_vector.
9691 (compute_affine_dependence): Update subscript_dependence_tester
9692 parameters. Update datadep_stats counters. Call
9693 compute_subscript_distance.
9694 (compute_self_dependence): Save the dist and dir vectors. Call
9695 compute_subscript_distance.
9696 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9697 (compute_all_dependences): Reorder parameters as they were before
9698 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9699 compute_subscript_distance. Update the use of
9700 compute_affine_dependence and initialize_data_dependence_relation.
9701 (find_data_references_in_loop): Handle COMPONENT_REF.
9702 (compute_data_dependences_for_loop): Initialize dependence_stats.
9703 Don't call build_classic_dist_vector and build_classic_dir_vector.
9704 Update the parameters of initialize_data_dependence_relation and
9705 compute_all_dependences. Print the statistics from datadep_stats.
9706 (analyze_all_data_dependences): Static. Not used until the pass for
9707 checking the data dependences is contributed.
9708 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9709 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9710 (initialize_data_dependence_relation, compute_affine_dependence,
9711 analyze_all_data_dependences, compute_subscript_distance): Removed.
9712 (print_direction_vector): New.
9713 * lambda.h (gcd): ... here.
9714 (lambda_vector_gcd): Moved here from gcd_vector.
9715 * lambda-code.c (gcd, gcd_vector): Removed.
9716 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9717 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9719 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9721 * ipa-type-escape.c: Tidy some comments and white space.
9722 * tree-ssa-operands.c: Likewise.
9724 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9727 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9728 (dump_decl_name): Do not walk the decl tree chains.
9729 * tree-pass.h (TDF_CHAIN): Remove.
9731 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9733 * Makefile.in (C): Remove
9735 (.PHONY): Remove C and PROTO
9737 2006-02-20 Roger Sayle <roger@eyesopen.com>
9740 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9741 deprecated CHAR_TYPE tree code.
9743 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9745 * configure.ac (target_list): Add install-info, dvi, html.
9746 * configure: Regenerate.
9748 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9749 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9750 treelang/Make-lang.in: Do not use double-colon rules.
9752 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9754 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9755 (TMT_USED_ALONE): New macro.
9756 * tree-pass.h (PROP_tmt_usage): New property.
9757 (TODO_update_tmt_usage): New todo.
9758 * tree-ssa-alias.c (updating_used_alone): New variable.
9759 (recalculate_used_alone): New function.
9760 (compute_may_aliases): Set updating_used_alone, call
9761 recalculate_used_alone.
9762 * tree-sra.c (pass_sra): Note that this pass destroys
9763 PROP_tmt_usage, and add TODO_update_tmt_usage.
9764 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9765 * tree-flow.h (updating_used_alone): Prototype.
9766 (recalculate_used_alone): Ditto.
9767 * passes.c (execute_todo): Add code to set updating_used_alone,
9768 and call recalculate.
9769 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9770 for clobber if used alone, and add assert to verify used_alone
9773 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9775 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9776 for non tls symbols added.
9777 (legitimize_address): Do nothing for PLUS expressions if one of the
9778 addends is a tls symbol reference.
9780 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9784 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9786 * Makefile.in (BOOTSTRAPPING): New.
9787 (quickstrap): New definition if BOOTSTRAPPING=yes.
9789 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9790 * configure.ac: Substitute all_selected_languages with the languages
9791 that were configured. For all the other variables except
9792 lang_specs_files, include all the languages in the tree.
9793 * configure: Regenerate.
9795 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9796 if there is one. Run the commands to run fixincludes in the same
9799 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9800 * doc/install.texi: Document exact conventions for searching target tools.
9801 Document --with-build-time-tools. Document toplevel bootstrap. Document
9802 something more about building an Ada cross-compiler. Don't list GNU Make
9803 requirements which affect all platforms.
9805 2006-02-19 Roger Sayle <roger@eyesopen.com>
9808 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9809 only equivalent if the have both the same mode and precision.
9811 2006-02-20 Ben Elliston <bje@au.ibm.com>
9813 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9815 2006-02-19 Roger Sayle <roger@eyesopen.com>
9816 Steven Bosscher <stevenb.gcc@gmail.com>
9818 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9819 constant pool references to identify stack mode constants.
9820 * rtlanal.c (constant_pool_constant_p): New predicate to check
9821 whether operand is a floating point constant in the pool.
9822 * rtl.h (constant_pool_constant_p): Prototype here.
9823 * loop.c (scan_loop): Avoid hoisting constants from the constant
9824 pool on STACK_REGS targets.
9825 (load_mems): Likewise.
9826 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9827 loads into x87 registers expensive in terms of register pressure.
9829 2006-02-19 Roger Sayle <roger@eyesopen.com>
9831 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9832 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9834 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9836 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9837 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9839 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9841 * doc/invoke.texi: Document -fipa-pta.
9842 * common.opt: Add ipa-pta option.
9843 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9844 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9845 (do_ds_constraint): Ditto.
9846 (get_constraint_for): Only add to referenced_vars if
9847 referenced_vars exists.
9848 (insert_into_field_list): Rewrite to do this unsorted.
9849 (insert_into_field_list_sorted): Rename old insert_into_field_list
9851 (create_function_info_for): Use insert_into_field_list_sorted.
9852 (create_variable_info_for): Rewrite so it uses unsorted version,
9853 since the field list is sorted.
9854 (intra_create_variable_infos): Only add to referenced_vars if
9855 referenced_vars exists.
9856 (ipa_pta_execute): Init heapvars, and delete when done.
9857 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9859 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9861 * doc/install.texi: Add missing `@samp'.
9863 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9865 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9868 2006-02-18 Mark Wielaard <mark@klomp.org>
9870 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9871 who added new 4.1 features, bug fixes and integration support.
9873 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9876 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9879 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9881 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9882 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9883 (copy_insn_1): Likewise. Don't copy each field individually.
9885 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9887 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9888 * rtl.c (rtx_size): Rename variable to...
9889 (rtx_code_size): ...this.
9890 (rtx_size): New function.
9891 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9892 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9894 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9895 * rtl.h (rtx_code_size): New variable.
9896 (rtx_size): Change from a variable to a function.
9897 (RTX_SIZE): Rename to...
9898 (RTX_CODE_SIZE): ...this.
9901 PR tree-optimization/17106
9902 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9903 (Anchored Addresses): New section.
9904 * doc/invoke.texi (-fsection-anchors): Document.
9905 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9906 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9907 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9908 * hooks.c (hook_bool_mode_rtx_false): New function.
9909 * hooks.h (hook_bool_mode_rtx_false): Declare.
9910 * gengtype.c (create_optional_field): New function.
9911 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9912 SYMBOL_REF_IN_BLOCK_P is true.
9913 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9914 (min_anchor_offset, max_anchor_offset): Likewise.
9915 (use_anchors_for_symbol_p): New hook.
9916 * toplev.c (compile_file): Call output_object_blocks.
9917 (target_supports_section_anchors_p): New function.
9918 (process_options): Check that -fsection-anchors is only used on
9919 targets that support it and when -funit-at-a-time is in effect.
9920 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9921 if the decl doesn't have one.
9922 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9923 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9924 of force_const_mem through use_anchored_address.
9925 (expand_expr_constant): New function.
9926 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9927 calling expand_expr for INDIRECT_REF.
9928 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9929 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9930 * expr.h (use_anchored_address): Declare.
9931 * loop-unroll.c: Don't declare rtx vectors here.
9932 * explow.c: Include output.h.
9933 (validize_mem): Call use_anchored_address.
9934 (use_anchored_address): New function.
9935 * common.opt (-fsection-anchors): New switch.
9936 * varasm.c (object_block_htab, anchor_labelno): New variables.
9937 (hash_section, object_block_entry_eq, object_block_entry_hash)
9938 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9939 (use_blocks_for_decl_p, change_symbol_section): New functions.
9940 (get_variable_section): New function, split out from assemble_variable.
9941 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9942 use_blocks_for_decl_p say so. Use change_symbol_section if the
9943 symbol has already been created.
9944 (assemble_variable_contents): New function, split out from...
9945 (assemble_variable): ...here. Don't output any code for
9946 block symbols; just pass them to place_block_symbol.
9947 Use get_variable_section and assemble_variable_contents.
9948 (get_constant_alignment, get_constant_section, get_constant_size): New
9949 functions, split from output_constant_def_contents.
9950 (build_constant_desc): Create a block symbol if use_object_blocks_p
9951 says so. Or into SYMBOL_REF_FLAGS.
9952 (assemble_constant_contents): New function, split from...
9953 (output_constant_def_contents): ...here. Don't output any code
9954 for block symbols; just pass them to place_section_symbol.
9955 Use get_constant_section and get_constant_alignment.
9956 (force_const_mem): Create a block symbol if use_object_blocks_p and
9957 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9958 (output_constant_pool_1): Add an explicit alignment argument.
9959 Don't switch sections here.
9960 (output_constant_pool): Adjust call to output_constant_pool_1.
9961 Switch sections here instead. Don't output anything for block symbols;
9962 just pass them to place_block_symbol.
9963 (init_varasm_once): Initialize object_block_htab.
9964 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9965 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9966 (place_block_symbol, get_section_anchor, output_object_block)
9967 (output_object_block_htab, output_object_blocks): New functions.
9968 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9969 (TARGET_ASM_OUT): Include it.
9970 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9971 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9972 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9973 (TARGET_INITIALIZER): Include them.
9974 * rtl.c (rtl_check_failed_block_symbol): New function.
9975 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9976 (block_symbol, object_block): New structures.
9977 (rtx_def): Add a block_symbol field to the union.
9978 (BLOCK_SYMBOL_CHECK): New macro.
9979 (rtl_check_failed_block_symbol): Declare.
9980 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9981 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9982 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9983 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9984 * output.h (output_section_symbols): Declare.
9985 (object_block): Name structure.
9986 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9987 (default_use_anchors_for_symbol_p): Declare.
9988 * Makefile.in (RTL_BASE_H): Add vec.h.
9989 (explow.o): Depend on output.h.
9990 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9991 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9992 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9993 (rs6000_use_blocks_for_constant_p): New function.
9995 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9997 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9999 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10002 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10005 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10007 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10011 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10013 PR middle-end/26334
10014 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10015 instead of DECL_REGISTER.
10017 2006-02-18 Olivier Hainque <hainque@adacore.com>
10020 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10022 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10025 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10026 * opth-gen.awk: Handle Var and InverseMask together.
10027 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10028 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10029 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10030 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10032 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10033 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10034 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10035 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10036 LINUX_DYNAMIC_LINKER): Define.
10037 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10038 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10040 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10041 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10042 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10043 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10044 (TARGET_C99_FUNCTIONS): Don't define.
10045 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10046 GLIBC_DYNAMIC_LINKER.
10047 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10048 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10049 GLIBC_DYNAMIC_LINKER64): Define.
10050 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10051 LINUX_DYNAMIC_LINKER64.
10052 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10053 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10054 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10055 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10056 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10057 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10058 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10059 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10060 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10061 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10062 and LINUX_DYNAMIC_LINKER32.
10063 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10064 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10065 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10066 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10067 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10069 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10070 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10071 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10072 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10073 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10074 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10075 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10076 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10077 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10078 LINUX_DYNAMIC_LINKER): Define.
10079 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10080 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10081 GLIBC_DYNAMIC_LINKER64): Define.
10082 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10083 LINUX_DYNAMIC_LINKER64.
10084 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10085 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10086 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10087 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10088 LINUX_DYNAMIC_LINKER): Define.
10089 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10090 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10091 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10092 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10093 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10094 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10095 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10096 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10097 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10098 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10099 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10100 * doc/invoke.texi (-muclibc): Remove caveat about supported
10103 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10105 * doc/cpp.texi (__TIMESTAMP__): Document.
10107 2006-02-17 Roger Sayle <roger@eyesopen.com>
10109 PR middle-end/25600
10110 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10111 C is one less than the width of X (and related transformations).
10112 * simplify-rtx.c (simplify_unary_operation_1): Transform
10113 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10114 depending on STORE_FLAG_VALUE, were C is one less then the
10117 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10119 Fix PR tree-optimization/26341
10120 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10121 about NAME_MEMORY_TAG's.
10123 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10126 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10127 with hardware float support, and software float support. Add fcpy
10128 alternative to hardware patterns. Add alternatives to copy between
10129 general and floating-point registers to the 32-bit pattern.
10130 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10131 secondary reload to load a QI or HI mode constant into a floating
10133 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10134 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10136 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10139 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10141 (load_macho_picbase_di): Likewise.
10143 2006-02-16 Jeff Law <law@redhat.com>
10145 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10146 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10147 (ssa_name_nonzero_p): Likewise.
10148 (get_value_range): Return NULL if VRP is not running.
10149 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10150 VRP routines do not discover a range.
10151 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10152 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10153 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10154 (tree_expr_nonnegative_p): Similarly.
10155 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10156 (restore_nonzero_vars_to_original_value): Remove.
10157 (unsafe_associative_fp_binop): Remove.
10158 (tree_ssa_dominator_optimize): Remove initialization and
10159 finalization of nonzero_vars and nonzero_vars_stack.
10160 (dom_opt_initialize_block): No longer push marker on
10161 nonzero_vars_stack.
10162 (dom_opt_finalize_block): No longer call
10163 restore_nonzero_vars_to_original_value.
10164 (record_equivalences_from_phis): No longer look for
10165 nonzero PHI arguments.
10166 (cprop_into_successor_phis): No longer propagate nonzero
10167 property into PHI arguments. Lose unused argument. Caller
10169 (record_equivalences_from_stmt): No longer record nonzero
10170 values for SSA_NAMEs.
10171 (lookup_avail_expr): No longer use nonzero_vars.
10173 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10174 for sizetype when sizetype is unsigned.
10176 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10178 PR rtl-optimization/25603
10179 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10180 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10181 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10182 with new meaning of SETS.
10184 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10189 * config/linux.opt: New file.
10190 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10191 LINUX_DYNAMIC_LINKER): Define.
10192 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10193 * config.gcc (*-*-linux*): Define extra_options.
10194 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10195 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10196 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10197 GLIBC_DYNAMIC_LINKER.
10198 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10199 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10200 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10201 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10202 * doc/invoke.texi (GNU/Linux Options): New section.
10204 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10206 * config/sparc/sparc.md (setjmp): Rewrite.
10207 (setjmp_32): Delete.
10208 (setjmp_64): Likewise.
10210 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10212 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10215 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10217 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10220 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10222 PR rtl-optimization/26296
10223 * Makefile.in (loop-invariant.c): Add except.h dependency.
10224 * loop-invariant.c: Include except.h.
10225 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10227 2005-02-16 Paul Brook <paul@codesourcery.com>
10229 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10232 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10234 PR rtl-optimization/25636
10235 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10236 when deciding whether an insn is an initializing insn.
10238 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10240 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10241 (tree_code_size): Ditto.
10242 * tree.h (struct tree_memory_tag): Remove parent_var.
10243 (struct tree_struct_field_tag): New.
10246 (union tree_node): Add sft member.
10247 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10249 (create_sft): Add size and offset argument, set SFT_OFFSET and
10251 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10252 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10253 * tree-flow-inline.h (get_subvar_at): Update for
10254 SFT_OFFSET/SFT_SIZE.
10255 (var_can_have_subvars): Ditto.
10256 (overlap_subvar): Ditto.
10257 * print-tree.c (print_node): Print out interesting things for
10259 * tree-flow.h (struct subvar): Remove offset and size members.
10260 * tree-ssa-operands.c (get_expr_operands): Update for
10261 get_indirect_ref_operands changes.
10262 (get_indirect_ref_operands): Call add_virtual_operand instead of
10263 add_stmt_operand. Only recurse on base var if requested.
10264 (access_can_touch_variable): New function.
10265 (add_stmt_operand): Split virtual operand handling into ...
10266 (add_virtual_operand): Here. Add offset, size, and for_clobber
10267 arguments. Prune alias sets.
10268 (add_call_clobber_ops): Call add_virtual_operand.
10270 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10272 PR middle-end/26300
10273 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10275 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10276 than TREE_CODE as index into omp_clause_num_ops array.
10278 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10280 PR rtl-optimization/26184
10281 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10283 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10284 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10285 must_precede, must_follow and tobe_scheduled.
10288 * opts.c (common_handle_option): Free new_option pointer.
10289 * df-core.c (df_analyze): Free postorder pointer.
10291 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10293 * Makefile.in: Fix the examples about the use of stamps
10295 2006-02-15 Michael Matz <matz@suse.de>
10297 PR middle-end/22275
10299 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10300 influenced by maximum_field_alignment or DECL_PACKED.
10301 (update_alignment_for_field): Ditto.
10302 (place_field): Ditto.
10303 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10306 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10308 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10309 (debug_flow_info): Pass it.
10310 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10311 * bb-reorder.c (reorder_basic_blocks): Likewise.
10312 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10313 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10314 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10315 * gcse.c (gcse_main, bypass_jumps): Likewise.
10316 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10317 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10318 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10319 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10320 * rtl.h (dump_flow_info): Adjust prototype.
10321 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10322 * var-tracking.c (variable_tracking_main): Likewise.
10323 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10324 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10327 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10329 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10332 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10334 PR tree-optimization/26209
10335 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10336 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10338 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10340 2006-02-14 Roger Sayle <roger@eyesopen.com>
10342 PR middle-end/23670
10343 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10344 (X,Y) and the corresponding symmetry related transformations.
10345 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10346 (X,Y) and its symmetry related transformations.
10348 2006-02-14 Roger Sayle <roger@eyesopen.com>
10350 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10353 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10355 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10357 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10360 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10361 support COMDAT group.
10362 * configure: Regenerate.
10364 2006-02-14 Roger Sayle <roger@eyesopen.com>
10366 PR middle-end/26279
10367 PR middle-end/26280
10368 PR middle-end/26283
10369 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10371 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10373 Fix PR tree-optimization/26260
10375 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10377 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10378 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10379 * tree-ssa-structalias.c (create_variable_info_for): Use
10380 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10382 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10384 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10386 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10387 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10388 of the ending condition.
10389 * tree-ssa-loop-manip.c: Include params.h.
10390 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10391 tree_unroll_loop): New functions.
10392 * tree-pass.h (pass_loop_prefetch): Declare.
10393 * loop.c (rest_of_handle_loop_optimize): Test for
10394 -fprefetch-loop-arrays-rtl.
10395 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10396 * timevar.def (TV_TREE_PREFETCH): New timevar.
10397 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10398 pass_loop_prefetch): New.
10399 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10400 (cleanup_tree_cfg_loop): Call scev_reset.
10401 * common.opt (fprefetch-loop-arrays-rtl): Add.
10402 * tree-ssa-loop-prefetch.c: New file.
10403 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10404 (new_temp_expr_table): Initialize expr_vars.
10405 (free_temp_expr_table): Cleanup expr_vars.
10406 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10407 expressions from being merged into one.
10408 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10409 (struct tree_niter_desc): Add control, bound and cmp fields.
10410 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10412 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10413 (tree-cfgcleanup.o): Add SCEV_H dependency.
10414 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10415 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10417 2006-02-14 Richard Guenther <rguenther@suse.de>
10419 PR tree-optimization/26258
10420 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10421 in PHI argument processing.
10423 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10425 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10426 new expression in the requested machine mode.
10428 2006-02-13 Roger Sayle <roger@eyesopen.com>
10430 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10431 directly, instead let do_compare_rtx_and_jump handle this for us.
10432 * expr.c (expand_expr_real_1): Likewise.
10433 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10434 before do_jump_by_parts_greater.
10435 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10436 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10438 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10440 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10442 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10444 PR rtl-optimization/26235
10445 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10446 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10449 2006-02-13 Jeff Law <law@redhat.com>
10451 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10454 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10456 PR middle-end/26092
10457 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10458 twice if decl is a builtin. When trying again, call get_callee_fndecl
10459 first to verify it is still a builtin.
10461 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10463 * dwarf2out.c (base_type_die): Don't add AT_name here.
10464 (subrange_type_die): Don't add AT_name here.
10465 (modified_type_die): Rearrange code flow. Do add AT_name here.
10467 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10469 PR rtl-optimization/26247
10470 PR rtl-optimization/26248
10471 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10473 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10475 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10476 * config/fixtfdi.c: Likewise.
10477 * config/fixunstfdi.c: Likewise.
10478 * config/floatditf.c: Likewise.
10480 2006-02-13 Roger Sayle <roger@eyesopen.com>
10482 PR middle-end/24427
10483 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10484 into (X,C2) if C1 is a subset of the bits of C2. Transform
10485 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10487 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10489 2006-02-13 Josh Conner <jconner@apple.com>
10492 * varasm.c (function_section): Check for section name before
10493 calling select_section on targets that define
10494 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10495 unlikely_text_section instead of hot_function_section if
10496 first_function_block_is_cold.
10498 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10500 PR middle-end/25335
10501 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10503 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10505 PR rtl-optimization/26222
10506 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10507 after tree->rtl expansion.
10508 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10509 before passing it to emit_move_insn.
10511 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10513 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10515 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10516 Clarify documentation.
10517 * c-common.h (warn_write_strings): Remove.
10518 * c-common.c (warn_write_strings): Likewise.
10519 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10522 2006-02-12 Roger Sayle <roger@eyesopen.com>
10524 PR middle-end/25724
10525 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10526 (do_jump_parts_zero_rtx): New function renamed from
10527 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10528 (do_jump_parts_equality_rtx): New function split out from
10529 do_jump_parts_equality. Old implementation renamed as above.
10530 Call do_jump_parts_zero_rtx if either operand is zero.
10531 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10532 do all of the heavy lifting.
10533 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10534 calling either do_jump_by_parts_greater_rtx or
10535 do_jump_by_parts_equality_rtx.
10536 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10537 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10538 moved to do_compare_rtx_and_jump, call it directly.
10539 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10540 mode argument. Call do_compare_rtx_and_jump.
10541 (emit_case_nodes): Update calls to do_jump_if_equal.
10543 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10545 PR rtl-optimization/26225
10546 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10548 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10550 PR rtl-optimization/26232
10551 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10553 2006-02-11 Jason Merrill <jason@redhat.com>
10556 * tree-inline.c (declare_return_variable): Just don't use the
10557 modify target if it's a gimple complex reg and the return slot
10560 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10562 * doc/contrib.texi: Update my entry.
10564 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10566 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10568 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10570 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10573 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10575 * doc/invoke.texi (-floop-optimize2): Removed.
10576 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10577 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10578 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10579 * common.opt (floop-optimize2): Removed.
10580 (fmove-loop-invariants): Enabled by default.
10582 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10584 * tree-if-conv.c (combine_blocks): Free the result of
10585 get_loop_exit_edges.
10587 2006-02-10 Jeff Law <law@redhat.com>
10589 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10591 PR tree-optimization/26213
10592 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10593 loop trying to follow SSA_NAME_VALUE chains.
10595 2006-02-10 Richard Guenther <rguenther@suse.de>
10597 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10598 deal with structures that end in implicitly variable sized arrays.
10600 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10602 PR rtl-optimization/24762
10603 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10606 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10608 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10609 (struct ivopts_data): Add regs_used field.
10610 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10611 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10612 instead of loop_data->regs_used;
10613 (free_loop_data): Do not free aux fields for loops.
10614 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10615 and tree_ssa_iv_optimize_finalize.
10617 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10619 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10621 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10624 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10625 computing the effective result type.
10627 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10629 PR inline-asm/16194
10630 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10631 (tree_overlaps_hard_reg_set): Declare.
10632 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10633 type and signature to match function type expected by walk_tree.
10634 (tree_overlaps_hard_reg_set): New function.
10635 (decl_conflicts_with_clobbers_p): Rename to:
10636 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10637 Use tree_overlaps_hard_reg_set. Changed caller.
10638 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10639 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10640 * cris.c (cris_md_asm_clobbers): Likewise.
10642 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10644 * reload1.c (emit_input_reload_insns): Delete code that tries to
10645 inherit using find_equiv_reg.
10647 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10649 * c-common.h (flag_const_strings): Don't declare.
10650 * c-common.c (flag_const_strings): Remove.
10651 * c.opt (fconst_strings): Remove.
10652 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10653 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10654 (c_common_init_options): Don't set flag_const_strings.
10655 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10657 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10659 * arm.md (tlobits_cbranch): New pattern.
10660 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10661 testing a single bit.
10663 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10666 * tree-ssa-pre.c (create_component_ref_by_pieces):
10667 Handle RETURN_DECL like VAR_DECL.
10669 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10671 PR middle-end/26134
10672 * fold-const.c (fold_indirect_ref_1): Fold
10673 "*(foo *)&complexfoo" to "__real__ complexfoo"
10674 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10676 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10678 * tree-flow-inline.h (var_can_have_subvars):
10679 Volatile variables should not have subvariables.
10681 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10684 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10685 multiplying unsigned values.
10688 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10690 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10692 2006-02-08 Jason Merrill <jason@redhat.com>
10695 * tree.def: Elaborate on difference from MODIFY_EXPR.
10696 * doc/c-tree.texi (INIT_EXPR): Likewise.
10697 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10698 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10699 (gimplify_target_expr): Likewise.
10700 (gimplify_cond_expr): Remove target handling.
10701 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10702 (gimplify_expr): Clobber it here.
10703 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10704 Do return slot optimization if we have an INIT_EXPR.
10707 * tree-inline.c (declare_return_variable): Also clear
10708 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10711 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10713 PR middle-end/22439
10714 * gimplify.c (gimplify_one_sizepos): Fix typo.
10716 2006-02-08 Jeff Law <law@redhat.com>
10718 PR tree-optimization/21417
10719 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10720 across a backedge if the control statement at the end of the
10721 block is data dependent on other statements in the same block.
10722 (record_temporary_equivalences_from_stmts): Remove over-conservative
10723 test for threading across backedges.
10725 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10726 control statement, handle all three special cases in the same
10727 manner as they all have the same desired solution. No longer
10728 special case edge flag updating when the post dominator is
10731 2006-02-08 Roger Sayle <roger@eyesopen.com>
10733 * tree.def (CHAR_TYPE): Remove.
10734 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10735 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10736 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10737 (gen_string_type_die): Delete unreachable function.
10739 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10740 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10741 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10742 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10743 * builtins.c (type_to_class): Likewise.
10744 * fold-const.c (fold_convert, build_range_check,
10745 merge_ranges): Likewise.
10746 * expr.c (count_type_elements): Likewise.
10747 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10748 * stor-layout.c (layout_type): Likewise.
10749 * ipa-type-escape.c (type_to_consider): Likewise.
10750 * gimplify.c (omp_firstprivatize_type_sizes,
10751 gimplify_type_sizes): Likewise.
10752 * explow.c (promote_mode): Likewise.
10753 * tree-sra.c (is_sra_scalar_type): Likewise.
10754 * varasm.c (output_constant): Likewise.
10755 * tree-inline.c (remap_type_1): Likewise.
10756 * convert.c (convert_to_pointer, convert_to_real,
10757 convert_to_integer, convert_to_complex): Likewise.
10759 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10761 * df-scan.c (df_def_record_1): A set destination may
10762 be a parallel regardless of mode.
10764 2006-02-08 Roger Sayle <roger@eyesopen.com>
10767 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10768 * config/mips/_tilib.c: Remove.
10769 * config/fixtfdi.c: New libgcc source file.
10770 * config/fixunstfdi.c: New source file.
10771 * config/floatditf.c: New source file.
10772 * config/floatunditf.c: New souce file.
10773 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10774 files above instead of config/mips/_tilib.c.
10775 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10777 2006-02-08 Jeff Law <law@redhat.com>
10779 PR tree-optimization/26169
10780 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10783 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10785 * df.h (DF_REG_SIZE): Return the length of the initialized
10788 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10790 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10791 __muldf3): Return a correctly signed zero.
10793 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10795 * passes.c (register_one_dump_file): Accept the current properties
10796 instead of pass number. Adjust call to dump_register. Remove
10798 (register_dump_files): Now a wrapper around...
10799 (register_dump_files_1): ... this one. Do not modify the pass
10801 (next_pass_1): Cosmetic fix.
10802 (execute_todo): Keep second parameter only. Use curr_properties
10803 instead of fetching it from the pass structure. Check and set
10805 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10806 instead of fetching it from the pass structure. Fix calls to
10807 execute_todo. Update curr_properties and initialize .vcg RTL dump
10808 after running the pass. Reset last_verified.
10809 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10811 (FIRST_AUTO_NUMBERED_DUMP): New.
10812 (dump_register): Remove "num" parameter, assign it within the
10814 (get_dump_file_name): Modify template for dumps.
10815 * tree-dump.h (dump_register): Adjust prototype.
10816 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10817 (PROP_trees): Add PROP_gimple_lomp.
10818 (TODO_set_props): New.
10819 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10820 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10821 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10823 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10825 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10826 (sparc64-*-linux*): Likewise.
10827 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10828 * config/sparc/t-linux: New file.
10829 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10830 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10831 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10832 -m32 -mlong-double-128.
10834 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10835 * config/alpha/t-linux: New file.
10836 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10838 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10839 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10840 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10841 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10842 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10843 (CPP_ARCH32_SPEC): Remove.
10845 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10847 PR tree-optimization/26145
10848 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10851 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10854 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10855 >= 240000 when generating code for SOM runtime.
10856 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10857 to $$dyncall when generating code for SOM runtime..
10859 2006-02-07 Dirk Mueller <dmueller@suse.com>
10862 * doc/invoke.texi (-Wsequence-point): Update documentation
10863 that -Wsequence-point is implemented for C++ as well.
10865 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10867 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10868 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10869 (LIB_SPEC): Likewise.
10870 * doc/invoke.texi (SPARC options): Document -pthread.
10872 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10874 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10877 2006-02-07 Roger Sayle <roger@eyesopen.com>
10879 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10880 Correct comment describing BOOLEAN_TYPE.
10882 2006-02-07 Dirk Mueller <dmueller@suse.com>
10884 * c.opt: C++ frontend supports -Wdiv-by-zero.
10885 * c-opts.c (c_common_handle_option): Remove dead case.
10887 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10889 * configure.ac (TLS assembler check): Do not enable TLS by
10890 default on SPARC/Solaris before version 10.
10891 * configure: Regenerate.
10893 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10895 * doc/invoke.texi (xl-compat): Document conversion and support
10898 2006-02-07 Jeff Law <law@redhat.com>
10900 * tree-vrp.c (find_conditional_asserts): Update comments.
10901 (simplify_stmt_for_jump_threading): New.
10902 (identify_jump_threads, finalize_jump_threads): New.
10903 (vrp_finalize): Call identify_jump_threads.
10904 (execute_vrp): Call finalize_jump_threads.
10905 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10906 (vrp_element, vrp_data, vrp_element_p): Remove.
10907 (vrp_hash_elt, vrp_variables_stack): Remove.
10908 (vrp_hash, vrp_eq, record_range): Remove.
10909 (simplify_cond_and_lookup_avail_expr): Remove.
10910 (extract_range_from_cond): Remove.
10911 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10912 (simplify_stmt_for_jump_threading): New.
10913 (dom_thread_across_edge): New wrapper.
10914 (tree_ssa_dominator_optimize): No longer initialize or
10915 finalize any of the VRP datastructures. Remove iteration
10916 step and simplify as a result of removal of iteration step.
10917 (pass_dominator): Perform a cfg cleanup after DOM.
10918 (dom_opt_finalize_block): Use the new common routines
10919 for threading jumps. Simplify stack management slightly.
10920 No longer need to unwind VRP state.
10921 (record_equivalences_from_incoming_edge): No longer record
10923 (eliminate_redundant_computations): No longer call
10924 simplify_cond_and_lookup_avail_expr.
10925 * tree-flow.h (potentially_threadable_block): Prototype.
10926 (thread_across_edge): Likewise.
10927 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10928 (tree-ssa-threadedge.o): Add dependencies.
10929 * tree-ssa-threadedge.c: New file.
10930 * passes.c (init_optimization_passes): Merge PHIs before
10931 calling VRP. Run VRP again late in the SSA optimization pipeline.
10933 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10935 * df-core.c (df_set_blocks): Do not dereference function pointers.
10936 (df_finish1): Likewise.
10937 (df_hybrid_search_forward): Likewise.
10938 (df_hybrid_search_backward): Likewise.
10939 (df_iterative_dataflow): Likewise.
10940 (df_analyze_problem): Likewise.
10941 (df_compact_blocks): Likewise.
10942 (df_dump): Likewise.
10943 * df-scan.c (df_rescan_blocks): Likewise.
10944 (df_record_entry_block_defs): Likewise.
10946 * genconditions.c (write_conditions): Guard the definition of
10947 'insn_conditions' with the check on GCC version.
10948 (write_writer): Guard the traversal 'insn_conditions' with
10949 the check on GCC version.
10951 2006-02-07 Richard Guenther <rguenther@suse.de>
10955 2006-01-30 Richard Guenther <rguenther@suse.de>
10957 * gimplify.c (gimplify_target_expr): Handle easy cases
10958 without creating a temporary.
10960 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10962 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10963 use of float in probability computations. Use edge probabilities
10964 in place of statically computed probabilities.
10965 (min_spec_prob): New static variable.
10966 (schedule_insns): Initialize it.
10967 (GET_SRC_PROB): Removed.
10968 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10970 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10973 * config/ia64/unwind-ia64.c: Revert last change.
10974 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10975 (INCOMING_FRAME_SP_OFFSET): Define.
10977 2006-02-06 Roger Sayle <roger@eyesopen.com>
10979 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10981 2006-02-07 Ben Elliston <bje@au.ibm.com>
10983 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10984 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10985 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10986 (ix86_return_in_memory): Handle TDmode.
10987 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10988 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10990 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10992 * reorg.c (dbr_schedule): Use dump_file instead of file.
10994 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10997 * config/ia64/predicates.md (extr_len_operand): New predicate.
10998 * config/ia64/ia64.md (extv): Tighten constraints.
11000 (*tbit_and_2): Ditto.
11001 (*tbit_and_3): Ditto.
11002 (*tbit_or_2): Ditto.
11003 (*tbit_or_3): Ditto.
11004 (*bit_zero): Ditto.
11007 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11010 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11012 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11014 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11015 loop_optimizer_init and loop_optimizer_finalize
11016 * tree-ssa-sink.c (execute_sink_code): Ditto.
11017 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11018 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11019 tree_ssa_loop_done): Ditto.
11020 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11021 * sched-ebb.c: Include output.h.
11022 (schedule_ebbs): Do not use dump argument.
11023 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11024 * loop.c (loop_dump_stream): Removed.
11025 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11027 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11028 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11029 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11030 loop_iterations, strength_reduce, record_biv, record_giv,
11031 final_giv_value, check_final_value, check_ext_dependent_givs,
11032 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11033 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11034 dump_file instead of loop_dump_stream.
11035 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11036 argument dump_file.
11037 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11039 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11040 * haifa-sched.c: Include output.h
11041 (schedule_insns, sched_init): Do not use dump argument.
11042 * mode-switching.c (optimize_mode_switching): Ditto.
11043 * modulo-sched.c (stats_file): Removed.
11044 (print_node_sched_params): Do not call argument dump_file.
11045 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11046 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11048 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11050 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11051 rtl_loop_init, rtl_loop_done): Ditto.
11052 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11053 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11055 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11056 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11057 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11058 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11059 * emit-rtl.c (renumber_insns): Ditto.
11060 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11061 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11062 * regclass.c (regclass): Ditto.
11063 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11064 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11065 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11066 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11068 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11069 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11071 * gcse.c (gcse_file, debug_stderr): Removed.
11072 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11073 rest_of_handle_gcse): Do not use dump argument.
11074 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11075 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11076 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11077 compute_code_hoist_vbeinout, compute_code_hoist_data,
11078 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11079 compute_store_table, build_store_vectors, insert_insn_start_bb,
11080 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11081 store_motion): Use dump_file instead of gcse_file.
11082 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11083 * profile.c (profile_dump_file): Removed.
11084 (branch_prob): Use dump_file instead of profile_dump_file.
11085 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11087 * tree-ssa-copy.c (dump_copy_of): Ditto.
11088 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11089 dump file to life_analysis.
11090 * bt-load.c (branch_target_load_optimize): Ditto.
11091 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11093 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11094 regclass, dbr_schedule): Declaration changed.
11095 * sched-int.h (sched_init): Declaration changed.
11096 * tree-profile.c (tree_profile_dump_file): Removed.
11097 (tree_profile_hooks): Removed profile_dump_file hook.
11098 * rtl-profile (rtl_profile_dump_file): Removed.
11099 (rtl_profile_hooks): emoved profile_dump_file hook.
11100 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11102 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11103 * tree-cfg.c (build_tree_cfg): Ditto.
11104 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11105 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11106 Declaration changed.
11107 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11108 life_analysis and schedule_insns.
11109 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11111 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11113 * config/mips/mips.c (mips_reorg): Ditto.
11114 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11117 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11119 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11120 (s390_mangle_fundamental_type): New.
11121 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11124 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11125 (alpha_mangle_fundamental_type): New.
11126 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11129 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11131 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11133 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11134 (sparc_mangle_fundamental_type): New.
11136 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11138 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11139 (s390x-*-linux*): Likewise.
11140 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11141 * config/s390/t-linux: New file.
11143 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11145 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11146 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11148 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11150 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11151 (ANTIC_SAFE_LOADS): New macro.
11152 (find_or_generate_expression): Add prototype.
11153 (set_contains_value): Allow null set for sake of not always having
11154 to allocate ANTIC_SAFE_LOADS.
11155 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11156 Allow COMPONENT_REF too.
11157 (valid_in_set): Allow COMPONENT_REF.
11158 Check ANTIC_SAFE_LOADS too.
11159 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11160 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11162 (can_PRE_operation): Add COMPONENT_REF.
11163 (create_component_ref_by_pieces): New function.
11164 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11165 (insert_aux): Move AGGREGATE_TYPE_P check here.
11166 (compute_avail): Set bb local stmt uids.
11167 (pass_pre): Use TODO_update_ssa_only_virtuals.
11169 2006-02-06 Ben Elliston <bje@au.ibm.com>
11171 * configure.ac: Unconditionally disable decimal float by default.
11172 * configure: Regenerate.
11174 2006-02-06 Ben Elliston <bje@au.ibm.com>
11176 * read-rtl.c (read_name): Terminate reading on EOF.
11178 2006-02-06 Ben Elliston <bje@au.ibm.com>
11180 * dfp.c (decimal_real_arithmetic): Change second argument type
11181 from int to enum tree_code. Do not always return true, but now
11182 return result of any call to decimal_do helper functions.
11183 * dfp.h (decimal_real_arithmetic): Update prototype.
11185 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11187 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11189 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11192 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11195 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11197 * tree-vrp.c (cfg_loops): Removed.
11198 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11199 Use current_loops instead of cfg_loops. Pass flags to
11200 loop_optimizer_init.
11201 * cfgloopmanip.c (fix_loop_structure): Update only available
11203 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11204 loop_optimizer_init.
11205 * modulo-sched.c (build_loops_structure): Removed.
11206 (sms_schedule): Use loop_optimizer_init.
11207 * loop-init.c (loop_optimizer_init): Use flags to determine
11208 which properties of loops to prepare.
11209 (rtl_loop_init): Pass flags to loop_optimizer_init.
11210 * tree-ssa-sink.c (execute_sink_code): Ditto.
11211 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11212 * tree-ssa-pre.c (init_pre): Ditto.
11213 * cfgloop.h (LOOPS_NORMAL): New.
11214 (loop_optimizer_init): Declaration changed.
11216 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11218 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11219 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11221 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11223 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11225 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11226 * pa/t-pa64: Delete quadlib.c rule.
11227 * pa/x-ada: Revert last change.
11228 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11230 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11232 PR rtl-optimization/26087
11233 * rtlanal.c (canonicalize_condition): Do not cross basic block
11236 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11239 * config/ia64/ia64.c: Include debug.h.
11240 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11241 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11242 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11243 (process_epilogue, process_set, process_for_unwind_directive):
11244 Output unwind info only if requested. Add CFA info if requested.
11245 Add new arguments as needed. Adjust callers.
11246 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11248 (DWARF2_FRAME_INFO): Define to zero.
11249 * config/ia64/unwind-ia64.c: Remove code that compensated for
11250 the CFA offset error fixed above.
11251 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11252 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11253 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11254 -funwind-tables and -fexceptions to enable frame info.
11255 (dwarf2out_frame_init): Define initial CFA even if
11256 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11257 DWARF2_UNWIND_INFO is nonzero, not just defined.
11258 (dwarf2out_frame_finish): Output non-EH call frame info only
11259 if DWARF2_FRAME_INFO is nonzero.
11260 (convert_cfa_to_loc_list,
11261 compute_frame_pointer_to_cfa_displacement): Define even if
11262 unwind info is not supported.
11263 (gen_subprogram_die): Use the above unconditionally. Remove
11264 legacy alternate code.
11265 * toplev.c (compile_file): Compile in call to
11266 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11267 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11269 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11270 Jakub Jelinek <jakub@redhat.com>
11272 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11273 IBM extended float format long double as "g" on powerpc*-linux.
11275 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11278 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11279 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11281 2006-02-03 Jason Merrill <jason@redhat.com>
11284 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11286 PR middle-end/25977
11287 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11288 on the return slot if it's an NRV.
11290 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11292 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11293 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11294 rewrite_use): Do not handle USE_OUTER.
11295 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11296 add_iv_outer_candidates, may_replace_final_value,
11297 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11298 (find_interesting_uses_op): Functionality of
11299 find_interesting_uses_outer_or_nonlin moved here.
11300 (find_interesting_uses_outside): Use find_interesting_uses_op.
11302 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11305 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11307 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11308 Ulrich Weigand <uweigand@de.ibm.com>
11311 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11312 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11313 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11314 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11316 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11317 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11318 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11319 Define secondary reloads for TFmode moves.
11320 (constant_modes): Add TFmode.
11321 (NR_C_MODES): Set to 8.
11322 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11324 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11325 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11326 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11327 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11328 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11329 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11330 (FPR mode macro): Add TFmode.
11331 (DSF mode macro): New.
11332 (<de>, <dee> mode attributes): Removed.
11333 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11334 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11335 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11336 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11337 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11338 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11339 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11340 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11341 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11342 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11343 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11344 "*negabs<mode>2", "sqrt<mode>2"):
11345 Changed <de> to <xde>. R constraint replaced by <Rf>.
11346 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11348 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11349 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11350 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11352 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11353 "extenddftf2", "extendsftf2"): New expanders.
11354 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11355 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11356 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11357 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11359 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11360 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11361 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11362 __floatditf): Add a GCC_4.1.0 symbol version tag.
11363 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11366 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11369 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11370 Use targetm.binds_local_p instead of TREE_PUBLIC.
11372 2006-02-02 Roger Sayle <roger@eyesopen.com>
11374 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11375 on INTEGER_TYPEs to indicate that it denotes a character type.
11376 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11377 signed_char_type_node, unsigned_char_type_node and char_type_node.
11378 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11379 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11380 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11382 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11383 Daniel Berlin <dberlin@dberlin.org>
11385 * tree-tailcall.c (arg_needs_copy_p): New function.
11386 (eliminate_tail_call): Use arg_needs_copy_p.
11387 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11388 (add_virtual_phis): New function.
11390 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11392 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11393 #ignore instead of #scratch for %g7 .register directive.
11395 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11397 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11400 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11402 * flow.c (calculate_global_regs_live): Assert that there aren't any
11405 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11407 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11408 what its name says.
11409 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11410 bsi_after_labels iterator.
11411 * tree-if-conv.c (find_phi_replacement_condition,
11412 replace_phi_with_cond_modify_expr): Likewise.
11413 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11414 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11416 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11418 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11420 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11423 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11424 array after growing it.
11426 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11428 PR middle-end/24901
11429 * fold-const.c (fold_checksum_tree): Change type of buf.
11431 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11433 * reload.c (push_secondary_reload): Initialize t_icode.
11435 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11437 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11438 -msoft-float -mlong-double-128 only issue a warning, but don't
11439 swich to DFmode long double.
11441 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11443 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11444 has a constant equivalent, iterate over equivalents for arg0,
11445 calling simplify_relational_operation and if there's a result
11446 cheaper than X, apply fold_rtx and return the result.
11448 2006-02-01 Jan Hubicka <jh@suse.cz>
11450 * opts.c (no_unit_at_a_time_default): New global variable.
11451 (decode_options): Use it.
11452 * opts.h (no_unit_at_a_time_default): Declare.
11454 2006-02-01 Paul Brook <paul@codesourcery.com>
11456 * function.c (assign_parm_setup_reg): Use function argument promotion
11458 * expr.c (expand_expr_real_1): Use function argument promotion rules
11461 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11463 * gcc.c (process_command): Change j to 'unsigned int'.
11465 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11467 PR middle-end/26001
11468 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11469 Use the corrected index for the character
11470 out of the string constant.
11472 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11474 * mode-switching.c (optimize_mode_switching): Fix size
11475 allocated for bb_info[n_entities].
11477 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11479 * gcc.c (main): Correct type that is allocated for
11480 explicit_link_files.
11482 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11484 * config/s390/s390.c (init_alignment_context): Set
11485 ALIAS_SET_MEMORY_BARRIER on the MEM.
11486 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11488 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11490 PR middle-end/25933
11491 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11493 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11496 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11498 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11499 * regrename.c: Ditto.
11500 * tree-ssa-loop-im.c: Ditto.
11501 * tree-dump.c: Ditto.
11502 * tree-complex.c: Ditto.
11503 * genrecog.c: Ditto.
11504 * tree-ssa-threadupdate.c: Ditto.
11506 * java/class.c: Ditto.
11507 * java/jcf-parse.c: Ditto.
11508 * java/resource.c: Ditto.
11509 * java/except.c: Ditto.
11510 * java/jvspec.c: Ditto.
11511 * java/jcf-write.c: Ditto.
11512 * java/jcf-path.c: Ditto.
11513 * java/gjavah.c: Ditto.
11514 * java/zextract.c: Ditto.
11515 * java/jcf-io.c: Ditto.
11516 * java/jcf.h: Ditto.
11517 * java/buffer.c: Ditto.
11518 * java/lang.c: Ditto.
11519 * java/parse-scan.y: Ditto.
11520 * java/lex.c: Ditto.
11521 * java/lex.h: Ditto.
11522 * cfgloopmanip.c: Ditto.
11523 * postreload-gcse.c: Ditto.
11524 * tree-ssa-loop-manip.c: Ditto.
11525 * postreload.c: Ditto.
11526 * tree-ssa-loop-ch.c: Ditto.
11529 * cppspec.c: Ditto.
11530 * diagnostic.c: Ditto.
11532 * genoutput.c: Ditto.
11534 * cfghooks.c: Ditto.
11535 * cfgloopanal.c: Ditto.
11536 * objc/objc-act.c: Ditto.
11538 * genextract.c: Ditto.
11539 * genautomata.c: Ditto.
11540 * pretty-print.c: Ditto.
11541 * genemit.c: Ditto.
11542 * cgraphunit.c: Ditto.
11544 * df-scan.c: Ditto.
11545 * haifa-sched.c: Ditto.
11546 * dominance.c: Ditto.
11548 * tree-ssa-loop-ivopts.c: Ditto.
11549 * df-core.c: Ditto.
11550 * mode-switching.c: Ditto.
11551 * modulo-sched.c: Ditto.
11553 * ipa-pure-const.c: Ditto.
11555 * fix-header.c: Ditto.
11557 * tree-stdarg.c: Ditto.
11558 * ipa-utils.c: Ditto.
11559 * loop-init.c: Ditto.
11560 * ipa-inline.c: Ditto.
11561 * cfganal.c: Ditto.
11563 * alloc-pool.c: Ditto.
11564 * dwarf2out.c: Ditto.
11566 * genattrtab.c: Ditto.
11567 * tree-ssa-loop-ivcanon.c: Ditto.
11568 * predict.c: Ditto.
11569 * timevar.c: Ditto.
11571 * fortran/gfortranspec.c: Ditto.
11572 * regmove.c: Ditto.
11573 * local-alloc.c: Ditto.
11574 * langhooks.c: Ditto.
11575 * function.c: Ditto.
11576 * tree-vectorizer.c: Ditto.
11578 * ipa-type-escape.c: Ditto.
11580 * tree-if-conv.c: Ditto.
11581 * profile.c: Ditto.
11583 * tree-data-ref.c: Ditto.
11584 * loop-unroll.c: Ditto.
11585 * treelang/treetree.c: Ditto.
11587 * bt-load.c: Ditto.
11588 * ggc-common.c: Ditto.
11590 * coverage.c: Ditto.
11592 * tree-cfgcleanup.c: Ditto.
11593 * tree-ssa-pre.c: Ditto.
11594 * cfgcleanup.c: Ditto.
11595 * loop-invariant.c: Ditto.
11596 * loop-iv.c: Ditto.
11597 * ipa-prop.c: Ditto.
11598 * print-tree.c: Ditto.
11599 * conflict.c: Ditto.
11600 * ggc-page.c: Ditto.
11601 * sched-deps.c: Ditto.
11602 * regclass.c: Ditto.
11603 * tree-object-size.c: Ditto.
11604 * combine.c: Ditto.
11605 * bb-reorder.c: Ditto.
11606 * resource.c: Ditto.
11607 * var-tracking.c: Ditto.
11608 * cfgloop.c: Ditto.
11609 * df-problems.c: Ditto.
11610 * reg-stack.c: Ditto.
11612 * gccspec.c: Ditto.
11613 * sched-rgn.c: Ditto.
11614 * tree-ssa-structalias.c: Ditto.
11615 * tree-ssa-reassoc.c: Ditto.
11616 * config/darwin-c.c: Ditto.
11617 * config/darwin.c: Ditto.
11618 * config/arm/arm.c: Ditto.
11620 * collect2.c: Ditto.
11621 * reload1.c: Ditto.
11623 2006-01-31 Nicolas Pitre <nico@cam.org>
11625 * arm.md (smaxsi3): Make aware of smax_m1.
11628 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11630 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11632 2006-01-31 Richard Guenther <rguenther@suse.de>
11634 * doc/invoke.texi (-msselibm): Document.
11635 * target.h (expand_library_builtin): New target hook.
11636 * builtins.c (expand_builtin): Use expand_library_builtin.
11637 (default_expand_library_builtin): New function.
11638 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11639 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11640 (link_gcc_math_spec): Declare.
11641 (static_specs): Add link_gcc_math_spec.
11642 * expr.h (default_expand_library_builtin): Declare.
11643 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11644 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11645 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11646 * config/i386/i386.opt (msselibm): New target option.
11647 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11648 (ix86_init_sse_abi_builtins): New function.
11649 (ix86_expand_library_builtin): Likewise.
11650 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11651 (override_options): Handle error conditions wrt -msselibm.
11652 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11653 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11654 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11657 2006-01-31 Richard Guenther <rguenther@suse.de>
11658 Paolo Bonzini <bonzini@gnu.org>
11660 * doc/install.texi (--disable-libgcc-math): Document.
11662 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11664 * expr.h (expand_normal): new inline function.
11665 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11666 * dojump.c: use it.
11667 * dwarf2out.c: use it.
11670 * expmed.c: use it.
11671 * except.c: use it.
11672 * config/sparc/sparc.c: use it.
11673 * config/i386/i386.c: use it.
11674 * config/rs6000/rs6000.c: use it.
11675 * config/arm/arm.c: use it.
11676 * config/mips/mips.c: use it.
11677 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11679 2006-01-30 Roger Sayle <roger@eyesopen.com>
11681 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11682 argv to the appropriate type.
11684 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11686 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11689 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11692 * config/s390/s390.c (struct machine_function): New flag
11693 decomposed_literal_pool_addresses_ok_p.
11694 (s390_reorg): Set it before final stage of literal pool transforms.
11695 (s390_decompose_address): Only accept displacements of the form
11696 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11698 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11700 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11701 the comparison routine return.
11703 2006-01-30 Michael Matz <matz@suse.de>
11705 * global.c (find_reg): Only evict for global regs.
11706 Take n_refs into account and dump more info.
11708 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11711 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11712 (pragma_trap, pragma_nosave_low_regs): Likewise.
11713 (current_function_anonymous_args): Likewise.
11714 (sh_deferred_function_attributes): New variable.
11715 (sh_deferred_function_attributes_tail): Likewise.
11716 (print_operand): For '@', look up trap_exit attribute.
11717 (calc_live_regs): Look up trapa_handler attribute. For trapa
11718 handlers, save/restore fpscr, but don't do any other
11719 interrupt-specific saves.
11720 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11721 Fix check for partially saved registers to check for SHmedia.
11722 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11723 (sh_output_function_epilogue): Don't clear any of the removed
11725 (sh_insert_attributes): Don't check pragma_interrupt.
11726 Insert deferred attributes. Check that interrupt attribute is
11727 present for other attributes that require its presence.
11728 (sh_attribute_table): Add new attributes trapa_handler and
11730 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11731 Don't check for pragma_interrupt. Don't store argument.
11732 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11733 (sh_deferred_function_attributes): Declare.
11734 (sh_deferred_function_attributes_tail): Likewise.
11735 * sh.md (sp_switch_1): Add operand. Change generator caller.
11736 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11737 (*return_i): Don't use when trap_exit attribute is in effect.
11738 (*return_trapa): New insn pattern.
11739 * sh-c.c: New file.
11740 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11741 setting c_target_objs and cxx_target_objs.
11742 * t-sh: Add rule for sh-c.o.
11744 2006-01-30 Richard Guenther <rguenther@suse.de>
11747 * gimplify.c (gimplify_target_expr): Handle easy cases
11748 without creating a temporary.
11750 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11752 * vec.h (safe_grow): Remove duplicated line.
11754 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11757 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11758 (expand_omp): ... here.
11759 (expand_omp_parallel): Only remove barriers for combined
11760 parallel+workshare constructs.
11762 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11766 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11767 * tree.c (build_qualified_type): Chain the new type to the original
11768 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11769 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11770 (build_pointer_type_for_mode): Only return unqualified types.
11771 (build_reference_type_for_mode): Likewise.
11773 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11775 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11776 * Makefile.in (CXX_COMPAT_WARN): Define.
11777 * configure: Regenerate.
11779 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11782 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11785 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11787 * toplev.c: Fix thinko.
11789 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11790 Marcin Dalecki <martin@dalecki.de>
11792 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11793 (push_srcloc): Use XNEW.
11794 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11796 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11798 * df-core.c (df_set_blocks): Deleted all variable.
11800 2006-01-28 Ian Lance Taylor <ian@airs.com>
11802 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11803 cgraph_output_pending_asms.
11805 2006-01-28 Zack Weinberg <zackw@panix.com>
11807 * c.opt: Add -W(no-)overlength-strings.
11808 * doc/invoke.texi: Document it.
11809 * c-opts.c (c_common_handle_option): -pedantic implies
11810 -Woverlength-strings, if not explicitly disabled already.
11811 (c_common_post_options): -Woverlength-strings defaults to off, and
11812 is always off for C++.
11813 * c-common.c (fix_string_type): Issue warning about strings longer
11814 than is portable only if warn_overlength_strings. Rearrange code
11815 a little for clarity.
11816 * configure.in: Check for -Wno-overlength-strings as well before
11817 enabling -pedantic in stage 1.
11818 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11819 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11821 * genconditions.c (write_header, write_one_condition)
11822 (write_conditions, write_writer): Consolidate very long strings
11823 that were broken up to fit in C89 portable limit. Don't use
11824 printf when fputs will do.
11826 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11828 * combine.c (simplify_comparison <AND>): Check
11829 TRULY_NOOP_TRUNCATION before start using a subreg.
11831 * config/mips/mips.md (*branch_zero<mode>,
11832 *branch_zero<mode>_inverted, *branch_equality<mode>,
11833 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11834 Remove mode check from comparisons.
11836 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11838 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11840 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11842 * expmed.c (const_mult_add_overflow_p): Remove.
11843 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11845 * recog.c (validate_replace_rtx_subexp): Remove.
11846 * recog.h: Remove the prototype for
11847 validate_replace_rtx_subexp.
11849 * integrate.h: Remove the prototype for
11850 copy_decl_for_inlining.
11851 * rtl.h: Remove the prototype for mark_constant_function.
11852 * tree-vectorizer.h: Remove the prototype for
11853 vect_strip_conversion.
11855 * modulo-sched.c (create_partial_schedule,
11856 free_partial_schedule, reset_partial_schedule): Make them
11859 * hooks.c (hook_bool_rtx_int_false): Remove.
11860 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11862 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11864 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11865 and -mlong-double-128 are incompatible.
11866 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11867 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11868 (TARGET_LIBGCC2_CFLAGS): Define.
11869 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11870 (TARGET_LIBGCC2_CFLAGS): Same.
11871 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11873 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11876 * c-typeck.c (build_binary_op): Perform implicit casts of
11877 operands before shortening them.
11879 * cfgloopmanip.c (split_loop_bb): Remove.
11880 * cfgloop.h: Remove the prototype for split_loop_bb.
11882 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11883 * cfgloop.h: Remove the prototype for
11884 flow_loop_outside_edge_p.
11886 * emit-rtl.c (init_virtual_regs): Make it static.
11887 * function.h: Remove the prototype for init_virtual_regs.
11889 * recog.c (peephole2_optimize): Make it static.
11890 * recog.h: Remove the prototype for peephole2_optimize.
11892 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11894 * df-scan.c (df_record_entry_block_defs): Check if
11895 INCOMING_RETURN_ADDR_RTX is defined.
11897 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11898 Kenneth Zadeck <zadeck@naturalbridge.com>
11900 PR rtl-optimization/24762
11901 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11902 * targhooks.c (hook_void_bitmap): New hook prototype.
11903 * targhoohs.h (hook_void_bitmap): Ditto.
11904 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11905 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11906 * target.h (live_on_entry): New function pointer.
11907 * df-scan.c (df_all_hard_regs): Removed.
11908 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11909 (df_scan_free_internal): Added df->entry_block_defs.
11910 (df_scan_alloc): Ditto.
11911 (df_scan_dump): Ditto.
11912 (df_uses_record): Plumbed flag field properly thru calls.
11913 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11914 This part fixes PR24762.
11915 (df_bb_refs_record): Added code to make the frame and arg
11916 pointers live in EH blocks.
11917 (df_refs_record): Added call to df_record_entry_block_defs.
11918 (df_record_entry_block_defs): New function.
11919 * df-core.c: Added comments to describe new artifical defs.
11920 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11921 (entry_block_defs): New field in struct df.
11922 (df_all_hard_regs): Deleted.
11923 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11924 * df-problems.c (df_ru_bb_local_compute_process_def):
11925 Added code to handle artifical defs in the entry to a function.
11926 (df_ru_bb_local_compute): Ditto.
11927 (df_rd_bb_local_compute_process_def): Ditto.
11928 (df_rd_bb_local_compute): Ditto.
11929 (df_lr_bb_local_compute): Ditto.
11930 (df_ur_bb_local_compute): Ditto.
11931 (df_urec_bb_local_compute): Ditto.
11932 (df_chain_create_bb): Ditto.
11933 (df_ur_local_finalize): Removed entry.
11934 (df_urec_init): Ditto.
11935 (df_urec_local_finalize): Ditto.
11936 (df_ri_bb_compute): Added detection of last use of pseudos.
11937 * Makefile.in (df-scan.o): Updated dependencies.
11938 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11939 * config/mips/mips.c (mips_set_live_on_entry): Added.
11940 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11942 * dce.c (marked_insn_p): Added code to handle artifical defs.
11944 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11946 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11948 (_mm_cvtsi128_si64): Likewise.
11949 (_mm_cvtsd_si64): Likewise.
11950 (_mm_cvttsd_si64): Likewise.
11951 (_mm_cvtsi64_sd): Likewise.
11952 (_mm_cvtsi64_si128): Likewise.
11953 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11954 (_mm_cvtsi64_m64): Likewise.
11955 (_m_to_int64): Likewise.
11956 (_mm_cvtm64_si64): Likewise.
11957 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11958 (_mm_cvttss_si64): Likewise.
11959 (_mm_cvtsi64_ss): Likewise.
11960 (_mm_cvtss_f32): Likewise.
11962 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11964 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11965 for pragma redefine_extname.
11967 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11970 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11971 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11972 -mno-minimal-toc to previous content.
11973 (bispecs): Remove goal.
11974 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11975 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11976 compatibility aliases on powerpc-*-*gnu*.
11977 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11978 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11979 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11980 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11981 (ldblspecs): New goal.
11982 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11983 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11985 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11986 L_sf_to_tf or L_df_to_tf is defined.
11988 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11989 Alan Modra <amodra@bigpond.net.au>
11992 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11993 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11994 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11995 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11996 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11997 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11998 (rs6000_override_options): Initialize rs6000_ieeequad.
11999 Initialize TFmode format to ibm_extended_format if not
12001 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12003 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12004 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12005 (function_arg_advance): IBM long double passed in two FPRs, not
12007 (function_arg): IBM long double passed in FPRs.
12008 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12009 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12010 Only multireg GPR aligned.
12011 (rs6000_init_libfuncs): Enable IBM long double functions if not
12013 (rs6000_generate_compare): Use IBM long double compare if not
12015 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12016 (TARGET_IEEEQUAD): Define.
12017 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12018 not TARGET_IEEEQUAD.
12019 * config/rs6000/rs6000.md: Enable TFmode patterns if
12021 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12022 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12023 and -mlong-double-128 are incompatible.
12024 * doc/invoke.texi (-mabi): Collect options together. Add
12025 ibmlongdouble and ieeelongdouble.
12027 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12029 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12031 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12032 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12033 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12034 * rtl.h (rtunion_def): Remove rt_ptr.
12036 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12037 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12038 * config/i386/winnt.c (i386_pe_mark_dllexport)
12039 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12041 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12043 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12045 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12049 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12050 pthread_key_delete. From John David Anglin. gthrw-ify
12051 pthread_getunique_np only if it it's not a macro. Delete
12053 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12054 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12055 __gthread_objc_condition_signal, __gthread_key_delete): Add
12056 "__attribute__ ((__unused__))" to unused arguments.
12057 (__gthread_recursive_mutex_init_function): Add missing return.
12058 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12059 gthr-posix95.h: Use macro-based approach for name redirection
12060 on targets missing weakref.
12062 2006-01-26 Zack Weinberg <zackw@panix.com>
12064 * genconditions.c (write_header): In generated code, #ifdef out
12065 all includes and fake declarations, except includes of bconfig.h
12066 and system.h, unless GCC_VERSION >= 3001. Do not include
12067 gensupport.h in any case.
12068 (write_conditions): Generate a definition of struct c_test. Add
12069 a comment to the generated #endif.
12070 (write_one_condition): Escape backslashes in string too.
12071 (write_writer): Generated code must escape backslashes and quote
12072 marks (but not newlines) in the strings it writes.
12073 * Makefile.in (build/gencondmd.o): Update dependencies.
12075 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12078 * Makefile.in (insn-automata.o): Add header file dependencies.
12079 * genautomata.c: Add includes.
12081 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12084 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12086 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12088 * configure.ac: Expect target tools paths to be passed from the toplevel
12089 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12091 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12093 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12096 * c.opt (Wpointer-sign): Init to -1.
12097 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12098 OPT_pedantic, to 0 otherwise.
12099 * doc/invoke.texi: Update.
12101 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12103 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12104 constants provided by 80387 instructions in the destination mode.
12106 2006-01-26 Richard Guenther <rguenther@suse.de>
12107 Andrew Pinski <pinskia@physics.uc.edu>
12110 partial PR tree-opt/17064
12111 * tree-ssa-structalias.c (intra_create_variable_infos):
12112 Create heap variables for incoming parameters if
12113 flag_argument_noalias > 1.
12114 (find_what_p_points_to): Look through default defs of
12117 2006-01-26 Jeff Law <law@redhat.com>
12120 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12121 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12122 within the VR_RANGE, use the VR_RANGE as the result, not the
12124 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12125 bounds for the type.
12127 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12129 * tree-ssa-alias.c (maybe_create_global_var): Change
12130 subvar walking to an assertion that we don't have subvar'd variables.
12132 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12135 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12136 Use a new variable, inner. PARM_DECLs are always non-weak.
12138 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12140 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12141 --disable-checking.
12143 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12145 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12147 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12149 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12150 (smax_insn, smin_insn, smax_0, smin_0): New.
12152 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12155 * config/cris/cris.c (cris_order_for_addsi3): New function.
12156 * config/cris/cris-protos.h: Prototype it.
12157 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12158 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12159 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12160 (split for "op.S1 [rx=rx+i],ry (swapped)")
12161 (split for "op(s|u).S1 [rx=rx+i],ry")
12162 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12163 Apply cris_order_for_addsi3 when generating addsi3 insns.
12165 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12167 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12168 (TREE_BLOCK): Add call to EXPR_CHECK.
12170 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12173 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12174 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12175 (dump_omp_clauses): ... here.
12176 (dump_generic_node): Handle OMP_CLAUSE.
12177 * tree.c (omp_clause_num_ops): New.
12178 (omp_clause_code_name): New.
12179 (tree_code_size): Handle OMP_CLAUSE.
12180 (tree_size): Likewise.
12181 (make_node): Document handling of OMP_CLAUSE.
12182 (tree_node_structure): Handle OMP_CLAUSE.
12183 (omp_clause_check_failed): New.
12184 (omp_clause_range_check_failed): New.
12185 (omp_clause_operand_check_failed): New.
12186 (build_omp_clause): New.
12187 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12188 * tree.h (enum omp_clause_code): Declare.
12189 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12190 (OMP_CLAUSE_RANGE_CHECK): Define.
12191 (OMP_CLAUSE_ELT_CHECK): Define.
12192 (omp_clause_check_failed): Declare.
12193 (omp_clause_operand_check_failed): Declare.
12194 (omp_clause_range_check_failed): Declare.
12195 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12196 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12197 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12198 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12199 (OMP_CLAUSE_IF_EXPR): Likewise.
12200 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12201 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12202 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12203 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12204 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12205 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12206 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12207 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12208 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12209 (OMP_CLAUSE_CODE): Define.
12210 (OMP_CLAUSE_SET_CODE): Define.
12211 (OMP_CLAUSE_CODE): Define.
12212 (OMP_CLAUSE_OPERAND): Define.
12213 (struct tree_omp_clause): Declare.
12214 (union tree_node): Add field 'omp_clause'.
12215 * treestruct.def (TS_OMP_CLAUSE): Define.
12216 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12217 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12218 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12219 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12220 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12221 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12222 (OMP_CLAUSE): Define.
12223 * print-tree.c (print_node): Handle OMP_CLAUSE.
12224 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12225 * c-typeck.c: Likewise.
12226 * gimplify.c: Likewise.
12227 * c-omp.c: Likewise.
12228 * tree-nested.c: Likewise.
12229 * tree-inline.c: Likewise.
12230 * c-parser.c: Likewise.
12231 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12234 2006-01-25 Roger Sayle <roger@eyesopen.com>
12236 PR rtl-optimization/25703
12237 * combine.c (try_combine): Handle zero_extract and strict_low_part
12238 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12240 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12242 * global.c: Fix comment typos.
12244 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12247 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12248 Use output_addr_const instead of assemble_name.
12250 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12252 * Makefile.in (sched-vis.o): Update dependencies.
12253 * haifa-sched.c (sched_finish): Clear current_sched_info.
12254 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12255 (dump_flow_info): Call it.
12256 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12258 * basic-block.h (dump_bb_info): Declare.
12259 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12260 option, and apply options only for dump files whose TDF_RTL,
12261 TDF_TREE, or TDF_IPA bits match.
12262 * rtl.h: Declare new functions exported from sched-vis.c.
12263 * sched-vis.c: Enable also if scheduling is not used.
12264 (print_value): Print the mode of registers if not inside scheduling.
12265 (print_insn): Make it work outside the scheduler. Beautify the output
12267 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12269 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12271 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12272 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12273 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12274 depending on the value of CONSTANT_POOL_ADDRESS_P.
12275 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12277 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12278 rather than SYMBOL_REF_DECL.
12279 (rtx_constant_pool): Remove const_rtx_sym_htab.
12280 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12281 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12282 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12283 Remove handling of const_rtx_sym_htab.
12284 (find_pool_constant): Delete.
12285 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12286 rather than find_pool_constant.
12287 (get_pool_constant_for_function): Delete.
12288 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12289 find_pool_constant.
12290 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12291 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12292 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12293 (SYMBOL_REF_CONSTANT): New macro.
12294 (get_pool_constant_for_function): Delete.
12295 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12296 rather than SYMBOL_REF_DECL.
12297 (i386_pe_mark_dllimport): Likewise.
12298 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12299 rather than SYMBOL_REF_DECL.
12300 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12301 (machopic_indirect_call_target): Likewise.
12303 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12305 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12307 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12309 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12311 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12313 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12315 2006-01-24 David Daney <ddaney@avtrex.com>
12318 * configure.ac (enable_tls): New enable option.
12319 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12320 * configure: Regenerate.
12321 * doc/install.texi (--enable-tls): Document new option.
12322 (--disable-tls): Ditto.
12324 2006-01-24 Richard Henderson <rth@redehat.com>
12326 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12327 * alias.c (true_dependence): Respect it.
12328 (canon_true_dependence, write_dependence_p): Likewise.
12329 * builtins.c (get_builtin_sync_mem): Set it.
12331 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12333 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12336 2006-01-24 DJ Delorie <dj@redhat.com>
12338 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12339 for storing constants in single-bit bitfields.
12341 2006-01-25 Ben Elliston <bje@au.ibm.com>
12343 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12345 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12348 * tree-ssa-pre.c (phi_translate): Return NULL
12349 for AGGREGATE_TYPE's.
12351 2006-01-24 Zack Weinberg <zackw@panix.com>
12353 * genautomata.c (process_state_for_insn_equiv_partition):
12354 Use xcalloc for insn_arcs_array.
12355 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12356 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12358 2006-01-24 Richard Henderson <rth@redhat.com>
12360 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12361 update all callers.
12363 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12365 PR rtl-optimization/25890
12366 PR rtl-optimization/25905
12367 * combine.c (expand_compound_operation, expand_field_assignment):
12368 Fail if the bitfield's final position is out of bounds.
12370 2006-01-24 Ian Lance Taylor <ian@airs.com>
12372 PR middle-end/25930
12373 * cgraphunit.c (cgraph_output_in_order): Don't clear
12374 cgraph_asm_nodes until after asm strings have been output.
12376 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12378 * fix-header.c (read_scan_file): Add new parameter imultilib when
12379 calling register_include_chains.
12381 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12383 * omp-low.c: Update documentation.
12385 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12386 Daniel Berlin <dberlin@dberlin.org>
12390 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12391 return from the function.
12393 2006-01-22 Zack Weinberg <zackw@panix.com>
12395 * rtl.def (match_code): Add second argument.
12396 * genpreds.c (write_extract_subexp): New function.
12397 (write_match_code): Add path argument. Use write_extract_subexp.
12398 (write_predicate_expr): Pass path to write_match_code.
12399 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12400 not perform a mode test.
12401 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12402 a subexpression does not constrain the top-level code set.
12403 * read-rtl.c (read_rtx_variadic): New function.
12404 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12405 * doc/md.texi: Document new notation.
12406 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12407 (cmpsi_operand): ... here, using new notation.
12409 2006-01-22 Zack Weinberg <zackw@panix.com>
12411 * varray.c: Remove GENERATOR_FILE #ifdefs.
12413 2006-01-22 Zack Weinberg <zackw@panix.com>
12415 * genautomata.c (output_reserved_units_table): Emit nothing if
12416 description->query_units_num is zero. Remove extra blank line.
12417 (output_cpu_unit_reservation_p): Short circuit
12418 if description->query_units_num is zero.
12420 2006-01-22 Zack Weinberg <zackw@panix.com>
12422 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12423 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12424 nor any of the random handful of variables that used to be necessary
12425 when this program was linked with rtlanal.o. Prune set of forward
12426 function declarations.
12427 (struct attr_desc): Remove static_p field.
12428 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12429 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12430 (attr_string): Do not read the character one past the length of
12432 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12433 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12434 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12435 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12436 (make_automaton_attrs): New.
12437 (main): Do not call into genautomata. Call local gen_bypass
12438 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12439 Remove special case for insn_alts.
12440 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12441 varray.h (leftover from previous change). Prune set of forward
12442 function declarations. Remove state_alts fields from all
12443 structures. Remove state_alts_table from struct automaton.
12444 Make everything except main static. Do not maintain num_dfa_decls.
12445 Do not maintain state_alts fields of various structures.
12446 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12447 (add_arc): Remove state_alts argument. All callers updated.
12448 (output_reserved_units_table): Emit #ifdef here...
12449 (output_tables): ...not here. Don't generate state_alts tables.
12450 (expand_automata): Don't generate attributes.
12451 (write_automata): Don't generate state_alts functions.
12452 (main): New function.
12453 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12454 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12455 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12456 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12457 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12458 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12459 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12460 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12462 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12463 * genattrtab.h: Delete file.
12464 * Makefile.in (OBJS-common): Add insn-automata.o.
12465 (insn-automata.o): New rule.
12466 (simple_generated_c): Add insn-automata.c.
12467 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12468 (genprogmd): Add automata.
12469 (build/genattrtab): Needs no extra objects nor libraries.
12470 (build/genautomata): Needs build/vec.o and -lm.
12472 2006-01-22 Zack Weinberg <zackw@panix.com>
12474 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12475 (output_dfa_max_issue_rate, locked_states_num): Delete.
12476 (struct automaton): Add locked_states field.
12477 (output_dead_lock_vect): Save number of locked states in
12478 automaton->locked_states. If it is zero, don't print anything.
12479 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12480 (output_internal_dead_lock_func): Only test the dead_lock_vect
12481 for automata that have locked states.
12482 (output_statistics): Always print the number of locked states for
12483 each automaton. Calculate total number of locked states here.
12484 (write_automata): Don't call output_dfa_max_issue_rate.
12485 * genattrtab.c: Define length_unit_log as a const variable.
12486 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12487 max_insn_queue_index const.
12488 * final.c (length_unit_log): Declare const.
12489 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12491 2006-01-22 Zack Weinberg <zackw@panix.com>
12493 * genautomata.c: Include vec.h, not varray.h.
12494 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12495 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12496 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12497 VEC_* macros operating on appropriately typed vectors, or to
12498 malloced arrays when the size is known in advance. Const-ify
12499 many char* variables and function arguments. No functional changes.
12500 * Makefile.in (build/varray.o): Delete rule.
12501 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12502 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12504 2006-01-22 Zack Weinberg <zackw@panix.com>
12506 * gensupport.c: Define get_insn_name and record_insn_name here.
12507 (read_md_rtx): Call record_insn_name as appropriate.
12508 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12509 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12510 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12512 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12513 (BUILD_VARRAY): Delete.
12514 (genprognormal): Rename genprogmd. Fold in all programs from
12515 genprognoprint; also attrtab.
12516 (build/genattrtab): Just mention genautomata.o and varray.o.
12517 Reorganize a bit, add comments to make the categories clearer.
12519 2006-01-22 Zack Weinberg <zackw@panix.com>
12521 * genconditions.c (condition_table, add_condition): Delete.
12522 (write_conditions): Don't emit n_insn_conditions nor
12523 insn_elision_unavailable. Issue the gcc version #ifdef here,
12524 inside the table, with no #else clause ...
12525 (write_header): ...not here.
12526 (write_writer): New function.
12527 (main): Don't initialize condition_table. Use add_c_test.
12529 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12530 files on the command line.
12531 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12532 Return -1 if there is no entry in the table, don't abort.
12533 (add_c_test, traverse_c_tests): New functions.
12534 * gensupport.h (insn_elision_unavailable, insn_conditions)
12535 (n_insn_conditions): Delete declarations.
12536 (add_c_test, traverse_c_tests): Declare.
12537 * read-rtl.c: Include gensupport.h.
12538 (read_conditions): New function.
12539 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12540 (read_rtx_1): If we get EOF when we were looking for an initial
12541 open paren, return 0. Call read_conditions when appropriate.
12542 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12543 dummy-conditions.o. Eliminate references to insn-conditions.o,
12544 or change them to build/gencondmd.o, as appropriate. Remove
12545 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12546 from $(simple_generated_c). For all files remaining in those
12547 two lists, add insn-conditions.md to the generator command line.
12548 Give insn-constants.h/s-constants their own rules. Add rules
12549 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12550 (build/read-rtl.o): Depend on gensupport.h.
12551 (genprognormal): Include preds.
12552 (genprogearly): Rename genprognoprint; only difference is now that
12553 they don't link with $(BUILD_PRINT).
12554 * dummy-conditions.c: Delete.
12556 2006-01-22 Zack Weinberg <zackw@panix.com>
12558 * genextract.c: Don't include insn-config.h. Do include vec.h.
12559 Declare vectors of int, char, and locstr.
12560 (locstr): New typedef.
12561 (struct extraction): Make all array fields into bare pointers.
12562 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12563 (insn_code_number): Delete.
12564 (accum_extract): New struct.
12565 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12566 (gen_insn): Take insn_code_number as an argument. Use an
12567 accum_extract structure instead of loading data directly into
12568 a struct extraction, and having to know how big it might get.
12569 (walk_rtx): Operate entirely on an accum_extract structure.
12570 (print_path): Avoid unnecessary use of printf.
12571 (print_header): New function, split out of main. Distinguish
12572 more carefully between an unrecognizable insn and an insn that
12573 has the code number of a define_expand.
12574 (main): Pass insn_code_number to gen_insn. Call print_header
12575 only after parsing. Avoid unnecessary use of printf.
12576 * Makefile.in (build/vec.o): New rule.
12577 (build/genextract): Depend on build/vec.o.
12578 (build/genextract.o): Don't depend on insn-config.h.
12580 2006-01-22 Zack Weinberg <zackw@panix.com>
12582 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12583 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12584 practical. Eliminate per-generator-program link rules.
12586 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12588 PR middle-end/24437
12589 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12590 with a call expr to ...
12591 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12593 2006-01-23 Richard Guenther <rguenther@suse.de>
12595 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12596 before make_edge with conditional EDGE_TRUE_VALUE.
12598 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12599 Jan Hubicka <jh@suse.cz>
12600 Richard Guenther <rguenther@suse.de>
12602 PR rtl-optimization/25654
12603 * cfgexpand.c (aggregate_contains_union_type): New function.
12604 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12605 for structure variables that contain a union type.
12607 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12609 * gengtype.c (new_structure): Return the structure.
12610 (create_option): Add an extra "next" argument.
12611 (create_field): New function.
12612 (adjust_field_rtx_def): Use create_option and create_field.
12613 Remove a now-unnecessary call to find_structure.
12614 (adjust_field_tree_def): Likewise.
12615 (note_yacc_type): Remove an unnecessary call to find_structure.
12616 * gengtype.h (new_structure): Return the structure.
12617 (create_option): Add an extra argument.
12618 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12619 (option): Adjust calls to create_option.
12621 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12623 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12625 2006-01-22 Paul Brook <paul@codesourcery.com>
12626 Peter Barada <peter@the-baradas.com>
12628 * config/m68k/m68k.md: Add Coldfire FPU support.
12629 Define FP mode macro and associated attributes.
12630 Use it for float mode patterns.
12631 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12632 (LIBCALL_VALUE): Use m68k_libcall_value.
12633 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12634 (m68k_function_value): Ditto.
12635 (emit_move_sequence): Ditto.
12636 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12637 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12638 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12639 (MULTILIB_EXCEPTIONS): Ditto.
12640 * config/m68k/m68k.opt: Add mcfv4e.
12641 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12642 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12643 (m68k_output_function_prologue): Save ColdFire FPU registers.
12644 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12645 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12646 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12647 ColdFire FPU registers.
12648 (m68k_libcall_value, m68k_function_value): New functions.
12649 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12650 (LIBCALL_VALUE): Use m68k_libcall_value.
12651 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12652 (MASK_COLDFIRE): Add MASK_CFV4E.
12653 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12654 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12655 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12656 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12657 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12658 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12659 * doc/invoke.tex: Document -mcfv4e on m68k.
12661 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12663 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12666 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12669 * c-opts.c (c_common_handle_option): Don't include
12670 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12671 * doc/invoke.texi (C++ Dialect Options): Document that
12672 -Wnon-virtual-dtor is no longer included in -Wall.
12674 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12676 * gcov.c (print_version), gcov-dump.c (print_version),
12677 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12680 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12682 * df-scan.c (problem_SCAN): Added NULL reset function.
12683 (df_scan_reset_blocks): Added code to call reset block function
12684 (df_bb_refs_delete) Fixed comment.
12685 (df_insn_refs_delete): Made tolerant of deleting non existent info
12686 for dataflow problems that need to be reset.
12687 * df-core.c (df_set_blocks): Ditto.
12688 * df.h (struct df_problem): Added reset_fun.
12689 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12690 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12691 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12692 functions to clear out all references to def-use or use-def chains.
12694 2006-01-21 Ben Elliston <bje@au.ibm.com>
12696 * varasm.c (assemble_real): Initialise data array.
12698 2006-01-20 Paul Brook <paul@codesourcery.com>
12700 Merge from csl-arm-branch.
12701 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12702 * config/arm/arm.md (movdi): Force operands[1] to a register
12703 if we have a non-register source.
12704 (*arm_movdi, *movdf_soft_insn): Require that one of the
12705 operands be a register.
12706 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12707 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12709 2006-01-20 DJ Delorie <dj@redhat.com>
12711 * varasm.c (initializer_constant_valid_p): Allow pointers
12712 initialized from integer constants of lesser precision.
12713 (output_constant): Allow non-int-sized pointer modes to be
12714 initialized from integer constants.
12716 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12719 * cppdefault.h (struct default_include): Add multilib flag.
12720 * cppdefault.c (cpp_include_defaults): Set it.
12721 * c.opt (-imultilib): New option.
12722 * c-opts.c (imultilib): New.
12723 (c_common_handle_option): Handle -imultilib.
12724 (c_common_post_options): Likewise.
12725 * c-incpath.c (add_standard_paths, register_include_chains):
12727 * c-incpath.h (register_include_chains): Add extra parameter.
12728 * gcc.c (do_spec_1): Generate -imultilib option.
12729 (The Specs Language): Update %I description.
12730 (process_command): Update copyright notice.
12731 * doc/cppopts.texi (-imultilib): Document.
12732 * doc/invoke.texi (-imultilib): Include in option summary.
12733 (%I): Update specs documentation.
12735 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12737 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12739 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12741 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12744 2006-01-20 Richard Guenther <rguenther@suse.de>
12745 Steven Bosscher <stevenb.gcc@gmail.com>
12747 PR rtl-optimization/24626
12748 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12749 EDGE_TRUE_VALUE if in RTL mode.
12752 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12753 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12755 2006-01-20 Dirk Mueller <dmueller@suse.com>
12758 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12759 instead of a special NOP marker.
12760 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12761 NOP marker handling.
12762 * c-common.h (empty_body_warning): Add forward declaration.
12763 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12764 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12766 2006-01-20 Paul Brook <paul@codesourcery.com>
12768 * Makefile.in (lang_checks): Keep going if mkdir fails.
12770 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12772 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12773 be able to clean out basic block when not necessary.
12774 (df_scan_free): Fixed to properly delete information if df is
12775 unused before calling df_finish.
12776 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12777 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12779 (df_bb_refs_delete): New function.
12780 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12781 * df-core.c (df_set_blocks): Added code to properly clean out
12782 unused blocks if they are not part of the blocks to consider.
12783 Added additional null check.
12784 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12785 be able to clean out basic block when not necessary
12786 * df.h (df_free_bb_function): Ditto.
12787 (df_bb_refs_delete): New function.
12788 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12789 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12790 basic block parameter to be able to clean out basic block when not
12792 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12793 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12794 Fixed to properly delete information if df is unused before
12797 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12799 PR rtl-optimization/25799
12800 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12801 Corrected confluence operator to remove bits from op2 before oring
12802 with op1 rather than removing bits from op1.
12803 (df_ru_transfer_function): Corrected test on wrong bitmap which
12804 caused infinite loop. Both of these problems were introduced in
12805 the dataflow rewrite.
12807 2006-01-19 DJ Delorie <dj@redhat.com>
12809 * reload1.c (find_reload_regs): Note the details of reload
12810 failures in the dump file.
12811 (spill_failure): Likewise.
12813 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12815 * loop-iv.c: Include df.h and hashtab.h.
12816 (enum iv_grd_result): New enum.
12817 (DF_REF_IV, DF_REF_IV_SET): New macros.
12818 (struct biv_entry): New.
12819 (df, bivs): New global variables.
12820 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12821 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12823 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12824 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12825 analyzed_for_bivness_p, record_biv): New functions.
12826 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12827 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12828 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12830 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12832 (iv_number_of_iterations): Use new interface to iv analysis.
12833 * loop-unroll.c: Do not include varray.h.
12834 (analyze_iv_to_split_insn): Use new interface to iv
12836 * loop-unswitch.c (may_unswitch_on): Ditto.
12837 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12839 (df_bb_modify): Realloc tables to the new index.
12840 (df_find_use): New function.
12841 * df.h (df_find_use): Declare.
12842 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12844 * cfgloop.h (struct rtx_iv): Remove analysed field.
12845 (iv_get_reaching_def): Removed.
12846 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12847 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12848 (loop-iv.o): Add df.h and hashtab.h dependency.
12849 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12851 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12854 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12856 (__floatundisf, __floatundidf): Likewise.
12857 * libgcc2.h (IS_IBM_EXTENDED): Define.
12859 2006-01-19 DJ Delorie <dj@redhat.com>
12861 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12863 2006-01-19 Paul Brook <paul@codesourcery.com>
12865 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12866 as nothrow when unwinding tables are disabled.
12868 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12871 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12872 of bit-field" when in system header.
12874 2006-01-19 DJ Delorie <dj@redhat.com>
12876 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12877 the 16 bit shift limit of the m16c.
12879 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12882 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12883 * config/i386/i386.c (output_set_got): Output the label if we have one
12884 for the TARGET_DEEP_BRANCH_PREDICTION case.
12886 2006-01-19 Jan Hubicka <jh@suse.cz>
12887 H.J. Lu <hongjiu.lu@intel.com>
12888 Evandro Menezes <evandro.menezes@amd.com>
12890 * invoke.texi (generic): Document
12892 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12893 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12894 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12895 (x86_use_incdec, x86_pad_returns): New variables
12896 (TARGET_CPU_DEFAULT_generic): New constant
12897 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12898 (enum processor_type): Add generic32 and generic64.
12899 * i386.md (cpu attribute): Add generic32/generic64
12900 (movhi splitter): Behave sanely when both partial_reg_dependency and
12901 partial_reg_stall are set.
12902 (K8 splitters): Enable for generic as well.
12903 * predicates.md (incdec_operand): Use TARGET_INCDEC
12904 (aligned_operand): Avoid memory mismatch stalls.
12905 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12906 * ppro.md: Enable for generic32
12907 * i386.c (generic64_cost, generic32_cost): New.
12908 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12909 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12910 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12911 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12912 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12913 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12914 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12915 x86_accumulate_outgoing_args, x86_prologue_using_move,
12916 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12917 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12918 Enable for generic.
12919 (x86_use_incdec, x86_pad_returns): New.
12920 (override_options): Add generic32 and generic64, translate "generic"
12921 to generic32/generic64 and "i686" to "generic32", refuse
12922 "generic32"/"generic64" as arch target.
12923 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12924 (ix86_reorg): Honor PAD_RETURNS.
12926 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12928 * tree-pretty-print.c (dump_generic_node): Handle
12929 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12930 * cgraph.c (cgraph_expand_queue): Rename from
12931 cgraph_analyze_queue. Update all users.
12932 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12933 cgraph_expand_queue.
12934 (cgraph_expand_all_functions): Likewise.
12935 (cgraph_finalize_pending_functions): Remove. Update callers.
12937 * tree.h (OMP_DIRECTIVE_P): Define.
12938 (OMP_PARALLEL_FN): Define.
12939 (OMP_PARALLEL_DATA_ARG): Define.
12940 (OMP_SECTIONS_SECTIONS): Define.
12941 * tree-pass.h (pass_expand_omp): Declare.
12942 * omp-low.c (struct omp_region): Declare.
12943 (struct omp_context): Remove fields 'parallel_type',
12944 'parallel_start_ix' and 'parallel_start_additional_args'.
12946 (struct omp_for_data): Rename from struct expand_omp_for_data.
12947 (omp_regions): New static variable.
12948 (root_omp_region): New static variable.
12949 (find_omp_clause): Make static.
12950 (is_in_combined_parallel_ctx): Remove.
12951 (is_combined_parallel): New.
12952 (extract_omp_for_data): Move earlier in the file.
12953 (workshare_safe_to_combine_p): New.
12954 (get_ws_args_for): New.
12955 (determine_parallel_type): Move earlier in the file.
12956 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12958 (omp_copy_decl): Likewise.
12959 (create_omp_child_function): Likewise.
12960 (lookup_omp_region): New.
12961 (dump_omp_region): New.
12962 (debug_omp_region): New.
12963 (debug_all_omp_regions): New.
12964 (new_omp_region): New.
12965 (scan_omp_parallel): If parallel_nesting_level > 1, the
12966 directive is nested within another parallel directive.
12967 Set OMP_PARALLEL_FN.
12968 (scan_omp_for): Do not try to handle combined parallel+for
12970 Remove FIXME comment.
12971 (scan_omp_nested): Remove.
12972 (scan_omp_1): Do not call scan_omp_nested when
12973 parallel_nesting_level is > 1.
12974 Do not change the DECL_CONTEXT of local variables found.
12975 (lookup_decl_in_outer_ctx): New.
12976 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12977 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12978 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12979 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12980 If CTX is nested, lookup VAR in the outer context when
12981 building copy assignment.
12982 (lower_send_clauses): Rename from expand_send_clauses.
12983 If CTX is nested, lookup VAR in the outer context when
12984 building copy assignments.
12985 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12986 If CTX is nested, lookup VAR in the outer context when
12987 building copy assignments.
12988 (expand_parallel_call): Rename from build_parallel_call.
12989 Handle combined parallel+workshare cases.
12990 Re-implement to emit code into the CFG.
12992 (expand_omp_parallel): Re-implement to emit code into the CFG.
12993 Call move_sese_region_to_fn to outline the sub-graph
12994 containing the parallel region.
12995 (expand_omp_for_1): Remove.
12996 (expand_omp_for_generic): Re-implement to emit code into the
12998 (expand_omp_for_static_nochunk): Likewise.
12999 (expand_omp_for_static_chunk): Likewise.
13000 (expand_omp_for): Likewise.
13001 (expand_omp_sections): Likewise.
13002 (remove_exit_barriers): New.
13003 (expand_omp_synch): New.
13005 (build_omp_regions_1): New.
13006 (build_omp_regions): New.
13007 (execute_expand_omp): New.
13008 (gate_expand_omp): New.
13009 (pass_expand_omp): Define.
13010 (lower_omp_sections): Rename from expand_omp_sections.
13011 Set OMP_SECTIONS_SECTIONS.
13012 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13013 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13014 (lower_omp_single): Rename from expand_omp_simple.
13015 (lower_omp_master): Rename from expand_omp_master.
13016 (lower_omp_ordered): Rename from expand_omp_ordered.
13017 (lower_omp_critical): Rename from expand_omp_critical.
13018 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13019 (lower_omp_for): Re-implement.
13020 (lower_omp_parallel): Re-implement.
13021 (lower_regimplify): Rename from expand_regimplify.
13022 (lower_omp_1): Rename from expand_omp_1.
13023 If there are syntax errors in the program, replace every
13024 OpenMP directive with NOP.
13025 Call lower_omp_* instead of expand_omp_*.
13026 (lower_omp): Rename from expand_omp.
13028 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13029 * tree-gimple.h (enum omp_parallel_type): Remove.
13030 (gimple_boolify): Declare extern.
13031 (find_omp_clause, determine_parallel_type): Remove.
13033 * gimple-low.c (lower_omp_directive): New.
13034 (lower_stmt): Call it.
13035 (record_vars_into): Move from ...
13036 (record_vars): ... here.
13037 Call record_vars_into with current_function_decl.
13039 * gimplify.c (struct gimplify_ctx): Remove fields
13040 combined_pre_p and combined_ctxp. Update users.
13041 (get_formal_tmp_var): Add documentation.
13042 (gimple_boolify): Make extern.
13043 (gimplify_expr_in_ctx): Remove. Update callers.
13044 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13045 will always be a BIND_EXPR.
13046 (gimplify_expr): Handle OMP_RETURN_EXPR.
13047 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13048 (OMP_PARALLEL): Add 3 operands.
13049 (OMP_SECTIONS): Add 1 operand.
13050 (OMP_RETURN_EXPR): Define.
13052 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13053 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13054 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13055 creating a circular free list.
13056 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13058 * tree-flow.h (move_sese_region_to_fn): Declare.
13059 (record_vars_into): Declare.
13060 * tree-cfg.c (make_omp_sections_edges): New.
13061 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13062 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13063 OMP_SECTIONS and OMP_SECTION.
13064 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13065 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13066 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13067 (gather_blocks_in_sese_region): New.
13068 (struct move_stmt_d): Declare.
13069 (move_stmt_r): New.
13070 (move_block_to_fn): New.
13071 (move_sese_region_to_fn): New.
13073 * passes.c (init_optimization_passes): Schedule
13074 pass_expand_omp after pass_init_datastructures.
13076 * tree-ssa-operands.c (get_expr_operands): Handle
13077 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13078 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13080 2006-01-19 Jeff Law <law@redhat.com>
13082 * tree-vrp.c (extract_range_from_assert): Refine the result range
13083 if the variable referenced by the ASSERT_EXPR has a range and
13084 either the tentative result range or the previous range is a
13087 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13089 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13091 2006-01-19 Jan Hubicka <jh@suse.cz>
13093 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13095 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13097 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13098 (expand_compound_operation, expand_field_assignment): Fail if the
13099 bit lengths of an extract operation are out of range.
13100 (make_extraction): Compute wanted_inner_mode based on the position
13101 and length of the extraction. Make it extraction_mode for non-constant
13102 positions, and do not modify offset in that case. When generating a
13103 new MEM, use a mode that can hold the extraction while keeping correct
13104 alignment. Remove code that supported MEMs wrapped by USEs.
13105 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13107 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13109 * config/s390/s390.md ("Y", "y"): New mode attribute.
13110 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13111 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13112 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13113 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13114 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13115 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13116 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13117 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13118 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13119 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13120 "addsi3", "subsi3"): Insn patterns removed.
13121 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13122 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13123 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13124 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13125 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13126 "*sub<mode>3_cconly2"): New insn patterns.
13127 ("addsi3", "subsi3"): New expanders.
13129 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13131 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13132 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13133 existing STMT_VINFO_VECTYPE if available.
13134 (vect_mark_relevant): Add special handling for stmts that are
13135 marked as STMT_VINFO_IN_PATTERN_P.
13136 (vect_analyze_loop): Call vect_pattern_recog.
13137 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13138 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13140 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13141 (vect_recog_func_ptr): New function-pointer type.
13142 * tree-vect-patterns.c: New file.
13143 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13144 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13145 (vect_pattern_recog_1): New functions.
13146 (vect_pattern_recog_funcs): New array of function pointers.
13148 * tree-vectorizer.h (ternary_op): New enum value.
13149 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13150 declaration. Revised documentation. Removed redundant dump prints.
13151 Removed redundant argument. Added support for reduction patterns.
13152 (vectorizable_reduction): Added support for reduction patterns.
13153 (vect_transform_stmt): Added support for patterns.
13155 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13156 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13157 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13158 (expand_widen_pattern_expr): New function.
13159 (init_optabs): Initialize new optabs udot_prod_optab,
13161 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13162 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13163 (expand_widen_pattern_expr): New function declaration.
13164 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13166 * tree-inline.c (estimate_num_insns_1): Added cases for new
13167 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13168 * tree-pretty-print.c (dump_generic_node): Likewise.
13169 (op_prio): Likewise.
13170 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13171 * tree-ssa-operands.c (get_expr_operands): Added case for
13173 * tree-vect-patterns.c (widened_name_p): New function.
13174 (vect_recog_dot_prod_pattern): Added function implementation.
13175 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13176 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13177 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13178 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13180 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13181 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13182 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13183 (init_optabs): Initialize new optabs widen_ssum_optab,
13185 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13186 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13187 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13188 use instead of type of def.
13189 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13190 function implementation.
13191 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13192 widen_ssumv8hi): New.
13194 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13197 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13200 * c-decl.c (add_flexible_array_elts_to_size): New function.
13201 (finish_decl): Use it.
13203 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13205 * diagnostic.h: Include options.h.
13206 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13207 dependancies for diagnostic.h.
13208 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13210 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13212 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13213 (ssa_ro_call_cache_valid): Ditto.
13214 * tree-ssa-alias.c (sort_tags_by_id): New function.
13215 (init_transitive_clobber_worklist): Ditto.
13216 (add_to_worklist): Ditto.
13217 (mark_aliases_call_clobbered): Ditto.
13218 (compute_tag_properties): Ditto.
13219 (set_initial_properties): Ditto.
13220 (compute_call_clobbered): Ditto.
13221 (compute_may_aliases): Call compute_call_clobbered and grouping.
13222 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13223 (compute_flow_insensitive_aliasing): Grouping now happens in our
13225 (setup_pointers_and_addressables): Remove clobbering related code.
13226 (add_may_alias): Ditto.
13227 (replace_may_alias): Ditto.
13228 (get_nmt_for): Ditto.
13229 (create_global_var):
13230 (is_escape_site): Return an escape_type enumeration.
13231 * tree-flow-inline.h (is_call_clobbered): Global var does not
13232 imply call clobbered.
13233 (mark_call_clobbered): Take a reason for marking this. Remove
13234 marking of globalness, and cache invalidation.
13235 (clear_call_clobbered): Remove cache invalidation code.
13236 * tree-dfa.c (dump_variable): If details is on, dump the reason
13238 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13240 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13241 (struct var_ann_d): Ditto.
13242 (enum escape_type): New.
13243 (mark_call_clobbered): Adjust prototype.
13244 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13245 are never call clobbered.
13246 Record reasons for escaping.
13247 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13248 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13249 (ssa_ro_call_cache_valid): Ditto.
13250 (clobbered_v_may_defs): Ditto.
13251 (clobbered_vuses): Ditto.
13252 (ro_call_vuses): Ditto.
13253 (clobber_stats): New.
13254 (init_ssa_operands): Zero out clobber stats.
13255 (fini_ssa_operands): Print out clobber stats.
13256 (get_call_expr_operands): Pass callee fndecl to
13257 add_call_read_ops).
13258 (add_call_clobber_ops): Remove use of cache.
13259 Add use of PURE_CONST information.
13260 (add_call_read_ops): Remove use of cache.
13261 Add use of static not_read information.
13263 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13265 Introduce TLS descriptors for i386 and x86_64.
13266 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13267 (TARGET_ANY_GNU_TLS): New macro.
13268 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13269 (struct machine_function): Add tls_descriptor_call_expanded_p.
13270 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13271 (ix86_current_function_calls_tls_descriptor): Likewise.
13272 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13273 (override_options): Introduce gnu2 tls dialect.
13274 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13276 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13278 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13279 (ix86_init_machine_status): Initialize new field.
13280 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13281 (ix86_tls_module_base): New.
13282 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13283 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13284 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13285 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13286 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13287 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13288 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13289 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13290 * config/i386/predicates.md (tls_modbase_operand): New.
13291 (tp_or_register_operand): New.
13293 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13295 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13296 (look_for_address_of): Ditto.
13297 (ipa_init): Walk the function decls.
13298 (static_execute): Don't set readonly on FUNCTION_DECL's.
13300 2006-01-18 Roger Sayle <roger@eyesopen.com>
13302 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13303 for shifts where the source and destination registers are different.
13305 2006-01-18 Paul Brook <paul@codesourcery.com>
13307 Merge from csl-arm-branch.
13308 2005-03-14 Julian Brown <julian@codesourcery.com>
13309 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13310 (aeabi_llsl): Likewise.
13311 (ashrdi3): Likewise.
13312 (aeabi_lasr): Likewise.
13313 (lshrdi3): Likewise.
13314 (aeabi_llsr): Likewise.
13315 2005-03-10 Julian Brown <julian@codesourcery.com>
13316 * config.gcc: Disable shared libgcc for SymbianOS.
13317 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13319 2006-01-18 DJ Delorie <dj@redhat.com>
13321 * c-pragma.c (handle_pragma_diagnostic): New.
13322 (init_pragma): Register it.
13323 * doc/extend.texi: Document it.
13325 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13326 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13327 (diagnostic_context): Add classify_diagnostic[].
13328 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13329 as errors if they're overridden to DK_WARNING.
13330 (diagnostic_initialize): Initialize classify_diagnostic[].
13331 (diagnostic_set_kind_override): New.
13332 (diagnostic_report_diagnostic): Check for kind changes.
13333 * opts.c (common_handle_option): Take lang_mask. Update callers.
13334 Handle OPT_Werror_.
13335 * common.opt (Werror=): New.
13336 * doc/invoke.texi: Document -Werror=*
13338 2006-01-18 Jeff Law <law@redhat.com>
13340 * tree-vrp.c (test_for_singularity): Correct test for new
13341 min limit. Use operand_equal_p rather than pointer equality
13342 for testing if new min/max values are equal.
13344 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13345 using range information until after propagation and folding.
13347 2006-01-18 Richard Henderson <rth@redhat.com>
13348 Aldy Hernandez <aldyh@redhat.com>
13349 Jakub Jelinek <jakub@redhat.com>
13350 Diego Novillo <dnovillo@redhat.com>
13352 * omp-low.c: New file.
13353 * c-omp.c: New file.
13355 2006-01-18 Richard Henderson <rth@redhat.com>
13356 Jakub Jelinek <jakub@redhat.com>
13357 Diego Novillo <dnovillo@redhat.com>
13359 * doc/invoke.texi: Document -fopenmp.
13360 * tree-dump.h (debug_function): Declare.
13361 * hooks.c (hook_bool_tree_bool_false): New function.
13362 (hook_tree_tree_null): Remove.
13363 (hook_tree_tree_tree_null): New.
13364 * hooks.h: Update to match.
13365 * tree-pretty-print.c (debug_tree_chain): New.
13366 (print_generic_expr): Handle TDF_CHAIN.
13367 (dump_generic_node): Handle BLOCK.
13368 Do not abort with incomplete SWITCH_EXPRs.
13369 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13370 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13371 print space after directive name.
13372 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13373 Handle OMP_MASTER and OMP_ORDERED.
13374 Handle printing of OMP_BODY just in one place, goto
13375 dump_omp_body in the rest of OMP_* nodes that have
13377 Don't handle clause nodes here. Update omp statements to
13378 use dump_omp_clauses.
13379 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13380 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13381 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13382 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13383 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13384 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13385 Adjust output for GOMP_PARALLEL.
13386 (dump_omp_clauses): New.
13387 (print_declaration): Dump DECL_VALUE_EXPR.
13388 (op_symbol_1): Split out of op_symbol.
13389 (dumping_stmts): Remove. Update all users.
13390 * cgraph.c (cgraph_analyze_queue): New.
13391 (cgraph_add_new_function): New.
13392 * cgraph.h (cgraph_analyze_queue): Declare.
13393 (cgraph_add_new_function): Declare.
13394 (cgraph_lower_function): Remove.
13395 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13396 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13397 and TYPE_P nodes in its default clause.
13398 (empty_body_p): New.
13399 (tree_range_check_failed): New.
13400 (build5_stat): New.
13401 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13402 OMP_CLAUSE_REDUCTION_MERGE,
13403 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13404 OMP_CLAUSE_PRIVATE_DEBUG,
13405 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13406 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13407 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13408 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13409 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13410 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13411 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13412 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13413 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13414 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13415 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13416 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13417 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13418 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13419 (TREE_RANGE_CHECK): New.
13420 (empty_body_p): Declare.
13421 (enum omp_clause_default_kind): New.
13422 (build_string_literal): Declare.
13423 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13424 (build5_stat, build5): Declare.
13425 * tree-pass.h (TDF_CHAIN): Define.
13426 * tree-pass.h (PROP_gimple_lomp): Define.
13427 (pass_lower_omp): Declare.
13428 * diagnostic.h (debug_tree_chain): Declare.
13429 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13431 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13432 * builtins.c (build_string_literal): Make extern.
13433 * gcc.c (include_spec_function): New.
13434 (static_spec_functions): Add it.
13435 (main): Move load of libgomp.spec ...
13436 (LINK_COMMAND_SPEC): ... here.
13437 (link_gomp_spec): New.
13438 (static_specs): Include it.
13439 (LINK_COMMAND_SPEC): Add link_gomp.
13440 (GOMP_SELF_SPECS): New.
13441 (driver_self_specs): Include it.
13442 (switch_matches): Don't mark inline.
13443 (main): Load libgomp.spec.
13444 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13445 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13446 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13447 * tree-gimple.h (enum omp_parallel): Declare.
13448 (determine_parallel_type): Declare.
13449 (omp_firstprivatize_variable): Declare.
13450 (omp_reduction_init): Declare.
13451 (diagnose_omp_structured_block_errors): Declare.
13452 (struct walk_stmt_info): Add want_return_expr.
13453 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13454 (find_omp_clause): Declare.
13455 (insert_field_into_struct): Declare.
13456 (struct walk_stmt_info): Move from tree-nested.c
13457 (walk_stmts): Declare.
13458 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13460 * cgraphunit.c (cgraph_lower_function): Make static.
13461 (cgraph_finalize_pending_functions): New.
13462 (cgraph_finalize_function): Call it.
13463 (cgraph_finalize_compilation_unit): Likewise.
13464 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13465 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13466 (BT_FN_UINT_UINT): New.
13467 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13468 DEF_FUNCTION_TYPE_VAR_4): Document.
13469 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13470 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13471 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13472 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13473 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13474 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13475 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13476 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13477 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13478 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13479 into separate files.
13480 (DEF_GOMP_BUILTIN): New.
13481 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13482 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13483 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13484 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13485 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13486 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13487 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13488 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13489 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13490 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13491 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13492 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13493 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13494 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13495 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13496 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13497 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13498 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13499 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13500 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13501 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13502 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13503 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13504 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13505 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13506 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13507 * sync-builtins.def: New file, moved from builtins.def.
13508 * omp-builtins.def: New file, moved from builtins.def.
13509 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13510 * gimple-low.c (lower_function_body): Clear data.
13511 (lower_stmt): Do not handle COMPOUND_EXPR.
13512 Remove call to print_node_brief.
13513 * c-tree.h (c_finish_omp_clauses): New prototype.
13514 (C_DECL_THREADPRIVATE_P): Define.
13515 (lookup_name_no_remap, c_omp_remap_private): Remove
13516 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13517 (check_for_loop_decls): Update decl.
13518 (lookup_name_no_remap, c_omp_remap_private): Declare.
13519 (build_indirect_ref, build_modify_expr, pushdecl,
13520 pushdecl_top_level): Move to c-common.h.
13521 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13522 before the switch, but just in the 2 places that need it.
13523 * c-decl.c (diagnose_mismatched_decls): Do not check for
13524 mismatched thread-local attributes when OLDDECL is marked
13525 threadprivate and NEWDECL has no thread-local attributes.
13526 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13527 (c_gimple_diagnostics_recursively): Rename from
13528 c_warn_unused_result_recursively. Invoke
13529 diagnose_omp_structured_block_errors.
13530 (check_for_loop_decls): Return a singular decl found.
13531 * langhooks.c (lhd_omp_predetermined_sharing): Return
13532 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13533 (lhd_omp_firstprivatize_type_sizes): New.
13534 (lhd_omp_assignment): New.
13535 (lhd_omp_predetermined_sharing): New.
13536 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13537 (struct lang_hooks_for_types): Add
13538 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13539 omp_predetermined_sharing, omp_disregard_value_expr,
13540 omp_private_debug_clause, omp_clause_default_ctor,
13541 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13542 (c_finish_omp_clauses): New.
13543 (c_finish_bc_stmt): Diagnose break within omp for.
13544 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13545 (build_unary_op): Return error_mark after reporting
13547 (build_modify_expr): Likewise.
13548 * gimplify.c: Include optabs.h and pointer-set.h.
13549 (enum gimplify_omp_var_data): Declare.
13550 (struct gimplify_omp_ctx): Declare.
13551 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13553 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13554 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13555 (splay_tree_compare_decl_uid): New.
13556 (new_omp_context): New.
13557 (delete_omp_context): New.
13558 (gimple_add_tmp_var): Call omp_add_variable.
13559 (gimplify_bind_expr): Likewise.
13560 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13561 true, disregard DECL_VALUE_EXPR on the decl if any.
13562 (gimplify_expr_in_ctx): New.
13563 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13564 omp_add_variable, omp_notice_variable, omp_is_private
13565 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13566 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13567 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13568 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13569 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13570 gimplify_omp_atomic): New.
13571 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13572 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13573 OMP_CRITICAL and OMP_ATOMIC.
13574 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13575 * c-pragma.h (enum pragma_kind): Add
13576 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13577 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13578 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13579 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13580 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13581 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13582 PRAGMA_OMP_THREADPRIVATE.
13583 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13584 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13585 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13586 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13587 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13588 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13589 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13590 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13591 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13592 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13593 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13594 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13595 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13597 (struct nesting_info): Add field_map,
13598 suppress_expansion, debug_var_chain.
13599 (create_nesting_tree): Initialize them.
13600 (lookup_field_for_decl): Use field_map.
13601 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13602 (convert_local_omp_clauses): New.
13603 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13604 (walk_body): Split out of walk_function.
13605 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13606 (convert_nonlocal_reference): Handle omp statements.
13607 (convert_local_reference): Likewise.
13608 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13609 (unnest_nesting_tree): New.
13610 (lower_nested_functions): Call it.
13611 (insert_field_into_struct): Make extern.
13612 (struct walk_stmt_info): Move to tree-gimple.h.
13613 (walk_stmts): Make extern.
13614 * omp-builtins.def: New file.
13615 * tree-iterator.c (expr_only): Clarify comment.
13616 * c-common.h (pushdecl_top_level, pushdecl,
13617 build_modify_expr, build_indirect_ref,
13618 c_finish_omp_master, c_finish_omp_critical,
13619 c_finish_omp_ordered, c_finish_omp_barrier,
13620 c_finish_omp_atomic, c_finish_omp_flush,
13621 c_finish_omp_for, c_split_parallel_clauses,
13622 omp_clause_default_kind, c_omp_sharing_predetermined,
13623 c_omp_remap_decl): Declare.
13624 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13625 (OBJS-common): Add omp-low.o.
13626 (c-omp.o, omp-low.o): Add.
13627 (gimplify.o): Add dependency on $(OPTABS_H).
13628 (GTFILES): Add omp-low.c.
13629 (gt-stringpool.h): Add.
13630 * tree-cfg.c (set_bb_for_stmt): Do not update the
13631 block-to-labels map if we are currently expanding to RTL.
13632 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13634 Handle IDENTIFIER_NODE.
13635 (tree_verify_flow_info): Do not ICE when emitting error
13636 messages about invalid labels.
13637 (dump_function_to_file): Reset CFUN before emitting the body
13639 (debug_function): New.
13640 * passes.c (init_optimization_passes): Schedule
13642 * langhooks-def.h (lhd_omp_predetermined_sharing,
13643 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13645 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13646 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13647 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13648 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13649 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13650 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13651 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13652 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13653 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13654 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13655 (LANG_HOOK_DECLS): Use them.
13657 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13658 Richard Henderson <rth@redhat.com>
13659 Jakub Jelinek <jakub@redhat.com>
13660 Diego Novillo <dnovillo@redhat.com>
13662 * c-parser.c (pragma_omp_clause): Define.
13663 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13664 (c_parser_compound_statement): Likewise.
13665 (c_parser_statement): Likewise.
13666 (c_parser_pragma): Handle omp pragmas.
13667 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13668 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13669 (c_parser_omp_clause_name, check_no_duplicate_clause,
13670 c_parser_omp_variable_list,
13671 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13672 c_parser_omp_clause_copyprivate,
13673 c_parser_omp_clause_default,
13674 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13675 c_parser_omp_clause_lastprivate,
13676 c_parser_omp_clause_nowait,
13677 c_parser_omp_clause_num_threads,
13678 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13679 c_parser_omp_clause_reduction,
13680 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13681 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13682 c_parser_omp_atomic, c_parser_omp_barrier,
13683 c_parser_omp_critical, c_parser_omp_flush,
13684 c_parser_omp_for_loop, c_parser_omp_for,
13685 c_parser_omp_master, c_parser_omp_ordered,
13686 c_parser_omp_sections_scope, c_parser_omp_sections,
13687 c_parser_omp_parallel, c_parser_omp_single,
13688 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13689 * c-pragma.c (init_pragma): Do omp pragma registration here.
13690 * c.opt (fopenmp): New flag.
13692 2006-01-18 Eric Christopher <echristo@apple.com>
13694 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13695 * config/darwin.h (GOMP_SELF_SPECS): Define.
13697 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13699 * rtl.h: Remove the prototype for reg_alloc.
13701 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13704 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13705 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13706 sjlj and dwarf2 exception handling.
13707 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13708 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13709 * pa/pa.c (function_value): Treat complex and vector types as
13711 (function_arg): Likewise. Only pass scalar floats in the floating
13712 point argument registers.
13713 * pa/t-slibgcc-dwarf-ver: New file.
13714 * pa/t-slibgcc-sjlj-ver: New file.
13715 * pa/t-slibgcc-elf-ver: Delete file.
13717 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13719 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13720 unlikely_test_section_p test.
13722 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13724 * mode-switching.c (optimize_mode_switching): Make it static.
13725 * basic-block.h: Remove the prototype for
13726 optimize_mode_switching.
13728 * modulo-sched.c (sms_schedule): Make it static.
13729 * rtl.h: Remove the prototype for sms_schedule.
13731 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13732 * rtl.h: Remove the prototype for gcse_after_reload_main.
13734 * reg-stack.c (reg_to_stack): Make it static.
13735 * rtl.h: Remove the prototype for reg_to_stack.
13737 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13739 * rtl.h: Remove the prototypes for regrename_optimize and
13740 copyprop_hardreg_forward.
13742 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13744 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13745 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13746 Test against the appropriate null constant for the mode.
13747 If 'fixup_overlap' is true, swap the operands if they overlap.
13748 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13749 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13750 alpha_split_tmode_pair and adjust for above change.
13751 * config/alpha/alpha.md (movtf_internal): Adjust call to
13752 alpha_split_tfmode_pair and rely on it to swap the operands.
13753 (movti_internal): New insn and post-reload splitter.
13754 (movti): New expander.
13756 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13758 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13761 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13763 * rtlanal.c (global_reg_mentioned_p_1,
13764 global_reg_mentioned_p): Remove.
13765 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13767 * flow.c (initialize_uninitialized_subregs): Make it static.
13768 * rtl.h: Remove the prototype for
13769 initialize_uninitialized_subregs.
13771 * function.c (instantiate_virtual_regs): Make it static.
13772 * function.h: Remove the prototype for
13773 instantiate_virtual_regs.
13775 * regmove.c (regmove_optimize, combine_stack_adjustments):
13777 * rtl.h: Remove the prototypes for regmove_optimize and
13778 combine_stack_adjustments.
13780 2006-01-17 Roger Sayle <roger@eyesopen.com>
13782 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13783 (size_cost): Encode costs in bytes so that a reg-reg addition is
13784 equivalent to COSTS_N_INSNS(1).
13785 (override_options): Use the size_cost.branch_cost as the default
13786 ix86_branch_cost when optimizing for size.
13788 2006-01-18 Ben Elliston <bje@au.ibm.com>
13790 * Makefile.in (D32PBIT_FUNCS): New.
13791 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13792 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13793 D64PBIT_FUNCS and D128PBIT_FUNCS.
13794 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13795 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13797 (decnumber_dep): Define.
13798 * doc/libgcc.texi (Decimal float library routines): New node.
13799 * config/dfp-bit.h, config/dfp-bit.c: New files.
13801 2006-01-18 Ben Elliston <bje@au.ibm.com>
13803 * expr.c (emit_move_change_mode): Always adjust addresses, not
13804 just during reload. Copy replacements only during reload.
13805 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13806 emit_move_via_integer.
13808 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13810 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13811 instead of $(srcdir) and ${srcdir}.
13813 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13816 PR middle-end/11135
13817 * arm.h (struct machine_function): Add pic_reg.
13818 * arm.c (arm_pic_register): Make unsigned.
13819 (arm_override_options): Only set arm_pic_register if
13820 TARGET_SINGLE_PIC_BASE.
13821 (use_return_insn): Only test for a pic register if it is fixed.
13822 (arm_compute_save_reg0_reg12_mask): Likewise.
13823 (thumb_compute_save_reg_mask): Likewise.
13824 (legitimate_pic_operand): Factor out some known invariants.
13825 (legitimize_pic_address): If we don't have a fixed pic register,
13826 then set up a pseudo in the function entry sequence. Handle the
13827 pic base being in a pseudo.
13828 (arm_load_pic_register): Handle the pic register being in a pseudo.
13829 (arm_expand_prologue): Only set up the pic register if it is fixed.
13830 (thumb_expand_prologue): Likewise.
13831 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13832 (pic_load_addr_based_insn): Likewise.
13833 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13836 2006-01-18 Ben Elliston <bje@au.ibm.com>
13838 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13839 decimal float modes for all floating point registers.
13841 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13842 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13844 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13847 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13848 even when the pointer is not NULL.
13850 2006-01-16 Ian Lance Taylor <ian@airs.com>
13852 * common.opt (ftoplevel-reorder): New option.
13853 * cgraph.c (cgraph_asm_nodes): New global variable.
13854 (cgraph_asm_last_node): New static variable.
13855 (cgraph_order): New global variable.
13856 (cgraph_create_node): Set new order field.
13857 (cgraph_varpool_node): Likewise.
13858 (decide_is_variable_needed): Return true if not
13859 flag_toplevel_reorder.
13860 (cgraph_add_asm_node): New function.
13861 * cgraph.h (struct cgraph_node): Add order field.
13862 (struct cgraph_varpool_node): Add order field.
13863 (struct cgraph_asm_node): Define.
13864 (cgraph_asm_nodes, cgraph_order): Declare.
13865 (cgraph_add_asm_node): Declare.
13866 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13868 (cgraph_varpool_assemble_pending_decls): Call it.
13869 (cgraph_output_pending_asms): New static function.
13870 (cgraph_finalize_compilation_unit): Call it.
13871 (struct cgraph_order_sort): Define.
13872 (cgraph_output_in_order): New static function.
13873 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13874 !flag_toplevel_reorder case.
13875 * c-parser.c: Include "cgraph.h".
13876 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13878 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13879 than -fno-unit-at-a-time.
13880 * doc/invoke.texi (Option Summary): Mention
13881 -fno-toplevel-reorder.
13882 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13883 -funit-at-a-time documentation.
13885 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13886 Kazu Hirata <kazu@codesourcery.com>
13888 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13890 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13892 * Makefile.in (FUNCTION_H): New. Use it instead of
13893 function.h throughout the file.
13894 * function.h: Include tree.h.
13896 2006-01-17 Ben Elliston <bje@au.ibm.com>
13898 * recog.c: Separate some functions with whitespace.
13900 2006-01-16 Richard Henderson <rth@redhat.com>
13902 Merge from gomp branch:
13903 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13904 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13905 and rename from struct inline_data. Rename callee* to dst*;
13906 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13907 transform_new_cfg, transform_return_to_modify, and
13908 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13910 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13911 (copy_decl_for_dup): Remove.
13912 * tree-inline.c (struct inline_data): Move to header.
13913 (insert_decl_map): Export.
13914 (remap_decl): Update for member name changes. Use copy_decl hook.
13915 Allow for replacement to be a non-decl. Remove dead code.
13916 (remap_type_1): Check for existing mapping.
13917 (remap_type): Export.
13918 (remap_decls): Update for member name changes.
13919 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13920 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13921 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13922 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13923 (tree_function_versioning, build_duplicate_type): Likewise.
13924 (copy_body_r): Likewise. Export.
13925 (copy_decl_for_dup): Split into ...
13926 (copy_decl_for_dup_finish, copy_decl_to_var,
13927 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13928 (replace_ref_tree, inlining_p): Remove.
13930 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13932 * ifcvt.c (if_convert): Make it static.
13933 * rtl.h: Remove the prototype for if_convert.
13935 * local-alloc.c (local_alloc): Make it static.
13936 * rtl.h: Remove the prototype for local_alloc.
13938 * loop.c (loop_optimize): Make it static.
13939 * cfgloop.h: Remove the prototype for loop_optimize.
13942 2006-01-16 DJ Delorie <dj@redhat.com>
13944 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13947 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13949 * pa.md: Disparage copies between general and floating-point registers
13950 in 32-bit move patterns.
13952 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13955 * Makefile.in (check-%): Depend on site.exp instead of
13956 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13959 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13961 * global.c (global_alloc): Make it static.
13962 * rtl.h: Remove the prototype for global_alloc.
13964 2006-01-16 Richard Guenther <rguenther@suse.de>
13966 * tree-ssa-alias.c (struct used_part): Add write_only field.
13967 (get_or_create_used_part_for): Initialize it to true.
13968 (create_overlap_variables_for): Don't create structure variables
13969 for structures that only are written to.
13970 (find_used_portions): Handle MODIFY_EXPR to track whether a
13971 structure is only written to.
13973 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13975 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13977 * basic-block.h: Remove the prototype for
13978 partition_hot_cold_basic_blocks.
13980 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13982 * cppspec.c (lang_specific_spec_functions): Remove.
13983 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13984 * gcc.h (lang_specific_spec_functions): Remove.
13985 * gccspec.c (lang_specific_spec_functions): Remove.
13987 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13989 * combine.c (record_value_for_reg): Invalidate registers
13991 (record_dead_and_set_regs_1): Likewise, by passing them to
13992 record_value_for_reg.
13993 (record_dead_and_set_regs): Invalidate stores made by a
13994 call. We do not combine across a call, but we still
13995 relied on equivalences.
13997 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13999 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14000 vrp_int_const_binop returning non-constant nodes.
14002 2006-01-16 Paul Brook <paul@codesourcery.com>
14004 * config/m68k/m68k.c (output_move_const_into_data_reg):
14005 Output correct mnemonic for mvz and mvs.
14007 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14009 * rtl-factoring.c: Add sequence abstraction algorithm.
14010 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14011 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14013 (block_has_preserve_label): New function.
14014 * common.opt: Register new pass.
14015 * Makefile.in: Ditto.
14017 * timevar.def: Ditto.
14018 * tree-pass.h: Ditto.
14019 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14020 * rtl.h (make_jump_insn_raw): Add forward decl.
14021 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14023 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14024 Roger Sayle <roger@eyesopen.com>
14026 * fold-const.c (fold_minmax): New static function.
14027 (fold_binary) <MIN_EXPR>: Call it.
14028 <MAX_EXPR>: Likewise.
14029 * stor-layout.c (place_field): Use DECL_SIZE consistently
14030 in the computation of the new record size.
14032 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14034 * cse.c (cse_condition_code_reg): Make it static.
14035 * rtl.h: Remove the prototype for cse_condition_code_reg.
14037 * combine.c (combine_instructions): Make it static.
14038 * rtl.h: Remove the prototype for combine_instructions.
14040 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14043 * tree.c (get_file_function_name_long): Concatenate the first global
14044 object name with a string derived from the input filename of the object
14047 2006-01-16 Ben Elliston <bje@au.ibm.com>
14049 * config/i386/winnt-stubs.c: Update FSF address.
14050 * config/xtensa/ieee754-df.S: Ditto.
14051 * config/xtensa/ieee754-sf.S: Ditto.
14053 2006-01-14 Ian Lance Taylor <ian@airs.com>
14055 * ifcvt.c (noce_init_if_info): New static function, broken out of
14056 noce_process_if_block.
14057 (noce_process_if_block): Call noce_init_if_info.
14058 (check_cond_move_block): New static function.
14059 (cond_move_process_if_block): New static function.
14060 (process_if_block): Call cond_move_process_if_block.
14062 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14064 * cselib.c (hash_table): Rename to cselib_hash_table.
14065 (cselib_clear_table, discard_useless_values,
14066 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14067 cselib_init, cselib_finish): Adjust uses of hash_table.
14069 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14071 PR tree-optimization/25485
14072 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14073 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14074 is known to be false and true, respectively.
14076 2006-01-14 Richard Guenther <rguenther@suse.de>
14078 PR tree-optimization/22548
14079 PR tree-optimization/22555
14080 PR tree-optimization/22501
14081 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14082 * params.def (salias-max-array-elements): New parameter.
14083 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14084 * doc/invoke.texi (salias-max-array-elements): Document.
14085 * tree-flow-inline.h (var_can_have_subvars): We also handle
14087 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14089 * tree-ssa-structalias.c (params.h): Include.
14090 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14091 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14092 (get_constraint_for): For ADDR_EXPR operating on something
14093 containing an ARRAY_REF, add all subvars to the solution.
14094 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14095 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14096 for creating MUST_DEFs.
14097 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14099 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14101 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14103 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14104 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14105 number_of_iterations_le): New functions.
14106 (number_of_iterations_special): Removed.
14107 (number_of_iterations_exit): Do not use number_of_iterations_special.
14108 * tree.c (unsigned_type_for): Always return integer type.
14110 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14111 Richard Guenther <rguenther@suse.de>
14113 PR rtl-optimization/24257
14114 * gcse.c (find_moveable_store): Only consider a store movable
14115 when the SET_SRC of the insn can be assigned to a register.
14117 2006-01-14 Ian Lance Taylor <ian@airs.com>
14119 * tree.c (tree_not_class_check_failed): New function.
14120 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14121 (tree_not_class_check_failed): Declare.
14123 2006-01-13 Ian Lance Taylor <ian@airs.com>
14125 * reload1.c (do_output_reload): Add assertion rejecting a
14128 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14130 * combine.c (struct reg_stat): Add new fields truncation_label and
14132 (record_value_for_reg): Reset truncated_to_mode.
14133 (record_truncated_value): New function.
14134 (check_promoted_subreg): Call it. Rename to check_conversions.
14135 (combine_instructions): Rename check_promoted_subreg to
14137 (reg_truncated_to_mode): New function.
14138 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14139 (gen_lowpart_or_truncate): New function.
14140 (force_to_mode): Use it instead of gen_lowpart.
14142 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14144 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14145 VAR is a tag, not its type tag.
14147 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14149 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14150 alternatives to match style of other entries.
14151 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14153 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14155 PR tree-optimization/25771
14156 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14159 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14162 * tree-inline.c (declare_return_variable): If the return variable
14163 was marked as a non gimple complex, set the return slot variable
14164 to be a non gimple comple variable.
14166 2006-01-13 Richard Guenther <rguenther@suse.de>
14168 * builtins.c (expand_builtin_sincos): New function.
14169 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14171 (expand_builtin): Expand sincos using expand_builtin_sincos.
14173 2006-01-12 DJ Delorie <dj@redhat.com>
14175 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14176 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14177 so that constant shifts can be split.
14178 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14179 (m32c_valid_pointer_mode): Make static.
14180 (shift_gen_func_for): New.
14181 (m32c_prepare_shift): Use it. Split large const shifts into
14183 * config/m32c/predicates.md (shiftcount_operand): Allow more
14185 (longshiftcount_operand): New.
14186 * doc/md.texi (Machine Constraints): Document In6.
14188 2006-01-13 Ben Elliston <bje@au.ibm.com>
14190 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14191 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14194 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14196 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14197 to try to avoid clobbering pieces of structures when we know
14198 something about the whole structure.
14199 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14201 2006-01-13 Ben Elliston <bje@au.ibm.com>
14203 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14204 return in memory, as this is no limitation is no longer present.
14206 2006-01-12 DJ Delorie <dj@redhat.com>
14208 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14209 mova with fb, and for fb+0 -> An.
14211 * config/m32c/mov.md (peephole2): Fix enabling logic.
14213 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14214 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14215 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14216 FINI_ARRAY_SECTION_ASM_OP): Define.
14218 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14220 (m32c_legitimize_reload_address): New logic to reload FB to An.
14221 (m32c_output_reg_push): Add newline.
14222 (m32c_output_reg_pop): Likewise.
14224 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14226 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14228 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14230 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14232 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14234 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14237 2006-01-11 Ben Elliston <bje@au.ibm.com>
14239 * rtlanal.c (find_reg_note): Assert insn is not null.
14241 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14243 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14246 2006-01-11 Jeff Law <law@redhat.com>
14248 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14250 (mark_threaded_blocks, register_jump_thread): New functions.
14251 (thread_through_all_blocks): Remove unwanted argument. No
14252 longer rely on e->aux to communicate thread target info.
14253 Call mark_threaded_blocks. Release the threaded_blocks
14254 bitmap and threaded_edges vector when complete.
14255 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14256 (threaded_blocks): Remove.
14257 (tree_ssa_dominator_optimize): Remove initialization and
14258 finalization of threaded_blocks. Simplify call to
14259 thread_through_all_blocks.
14260 (thread_across_edge): Call register_jump_thread rather than
14261 storing thread information into e->aux.
14262 (free_all_edge_infos): Simplify now that e->aux is no longer
14263 used to communicate with thread_through_all_blocks.
14264 * tree-flow.h (thread_through_all_blocks): Update prototype.
14265 (register_jump_thread): Prototype.
14267 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14269 * df-core.c (df_compact_blocks, df_bb_replace): Use
14270 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14272 2006-01-11 Richard Guenther <rguenther@suse.de>
14274 PR tree-optimization/25734
14275 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14276 stop propagation after successful propagation to the LHS.
14278 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14280 * basic-block.h (control_flow_graph): Change the type of
14281 x_basic_block_info to VEC(basic_block,gc) *.
14282 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14284 (SET_BASIC_BLOCK): New.
14285 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14286 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14287 * cfgbuild.c (find_basic_blocks): Likewise.
14288 * cfglayout.c (fixup_reorder_chain): Likewise.
14289 * cfgrtl.c (create_basic_block_structure,
14290 rtl_create_basic_block): Likewise.
14291 * ifcvt.c (find_if_case_1): Likewise.
14292 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14295 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14297 * Makefile.in: Removed rotted odf.c entry.
14299 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14302 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14303 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14304 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14305 output pattern modifier, not %e.
14306 * config/cris/cris.c (cris_op_str): Update comment about pattern
14308 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14309 before falling through into...
14310 <case 'E'>: Redefined from old 'e' case.
14312 2006-01-11 Jan Hubicka <jh@suse.cz>
14315 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14317 2006-01-11 Jan Hubicka <jh@suse.cz>
14319 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14320 * i386.c (x86_decompose_lea): Kill.
14321 (ix86_rtx_costs): Kill.
14323 2006-01-11 Jan Hubicka <jh@suse.cz>
14325 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14326 * cgraph.h (cgraph_node): Add inline_decl.
14327 (cgraph_insert_node_to_hashtable): Declare.
14328 (save_inline_function_body): Declare.
14329 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14331 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14332 (cgraph_function_versioning): Update call of tree_function_versioning.
14333 (save_inline_function_body): New function.
14334 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14335 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14336 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14337 (cgraph_default_inline_p): Likewise.
14338 (cgraph_decide_inlining_incrementally): Likewise.
14339 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14340 (copy_bb): Kill saving; do updating of clones.
14341 (copy_cfg_body): Kill saving.
14342 (initialize_inlined-parameters): Likewise.
14343 (expand_call_inline): Likewise.
14345 (tree_function_versioning): New parameter "update_clones".
14346 (inlining_p): Kill saving.
14347 * tree-inline.h (tree_function_versioning): Update prototype.
14348 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14351 2006-01-11 Ian Lance Taylor <ian@airs.com>
14353 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14354 Allow undoing set of machine mode.
14355 (do_SUBST): Use enums instead of is_int.
14356 (do_SUBST_MODE): New function.
14357 (SUBST_MODE): New macro.
14358 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14359 reg and trying to replace reg_regno_rtx with a new register.
14360 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14361 (simplify_set): Use SUBST_MODE.
14362 (distribute_notes): Remove code that tried to update reg notes
14363 for regno_reg_rtx changes.
14365 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14367 PR tree-optimization/23109
14368 PR tree-optimization/23948
14369 PR tree-optimization/24123
14371 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14372 * tree-cfg.c (single_noncomplex_succ): New.
14373 * tree-flow.h (single_noncomplex_succ): Declare it.
14374 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14375 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14376 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14377 insert_bb, register_division_in, insert_reciprocals,
14378 replace_reciprocal, free_bb): New.
14379 (execute_cse_reciprocals_1): Rewritten.
14380 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14381 Do not commit any edge insertion. Always compute dominators and
14382 create the allocation pool.
14383 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14384 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14385 * targhooks.c (default_min_divistions_for_recip_mul): New.
14386 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14387 * passes.c (init_optimization_passes): Run recip after tree loop
14389 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14391 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14392 Kenneth Zadeck <zadeck@naturalbridge.com>
14394 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14395 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14396 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14397 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14398 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14399 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14400 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14401 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14402 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14403 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14404 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14405 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14406 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14407 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14408 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14409 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14410 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14411 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14412 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14413 DF_SCAN_POST_ALLOC): New macros.
14414 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14415 df_free_bb_function, df_local_compute_function, df_init_function,
14416 df_dataflow_function, df_confluence_function_0,
14417 df_confluence_function_n, df_transfer_function,
14418 df_finalizer_function, df_free_function, df_dump_problem_function,
14419 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14420 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14421 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14422 df_urec_bb_info, ) New types.
14423 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14425 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14426 df_analyze_simple_change_some_blocks,
14427 df_analyze_simple_change_one_block, df_compact_blocks,
14428 df_bb_replace, df_bb_regno_last_use_find,
14429 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14430 df_insn_regno_def_p, df_find_def, df_find_use,
14431 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14432 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14433 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14434 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14435 debug_df_chain, df_get_dependent_problem, df_chain_create,
14436 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14437 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14438 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14439 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14440 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14441 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14442 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14443 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14444 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14445 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14446 df_reorganize_refs, df_set_state, df_hard_reg_init,
14447 df_read_modify_subreg_p) New public functions.
14448 * df-core.c: The core dataflow solver and glue routines for rtl
14450 (df_init, df_add_problem, df_set_blocks, df_finish,
14451 df_hybrid_search_forward, df_hybrid_search_backward,
14452 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14453 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14454 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14455 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14456 df_reg_defined, df_find_use, df_reg_used, df_dump,
14457 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14458 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14459 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14460 debug_df_useno, reset_df_after_reload): New functions.
14461 * df-scan.c: The scanning fuctions, once in df.c, completely
14462 rewritten so that they now fully model the functionality of
14463 register usage at the backend.
14464 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14465 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14466 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14467 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14468 df_get_artificial_defs, df_get_artificial_uses,
14469 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14470 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14471 df_refs_delete, df_reorganize_refs, df_set_state,
14472 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14473 df_def_record_1, df_defs_record, df_uses_record,
14474 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14475 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14476 df_record_exit_block_uses, df_hard_reg_init): New functions.
14478 * df-problems.c: Seven concrete dataflow problems that use the
14479 scanning in df-scan.c and are solved by the engine in df-core.c.
14480 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14481 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14482 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14483 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14484 df_ru_free_bb_info, df_ru_alloc,
14485 df_ru_bb_local_compute_process_def,
14486 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14487 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14488 df_ru_transfer_function, df_ru_free, df_ru_dump,
14489 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14490 df_rd_free_bb_info, df_rd_alloc,
14491 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14492 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14493 df_rd_transfer_function, df_rd_free, df_rd_dump,
14494 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14495 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14496 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14497 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14498 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14499 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14500 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14501 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14502 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14503 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14504 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14505 df_urec_mark_reg_use_for_earlyclobber,
14506 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14507 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14508 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14509 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14510 df_chain_create_bb_process_use, df_chain_create_bb,
14511 df_chain_finalize, df_chain_free, df_chains_dump,
14512 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14513 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14514 df_reg_lifetime): New functions.
14515 * df.c: Deleted file.
14516 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14517 consistent with new df api.
14518 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14519 rest_of_handle_sms): Ditto.
14520 * web.c (unionfind_union, union_defs, entry_register, web_main):
14522 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14523 invariant_expr_equal_p, find_defs, check_dependencies,
14524 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14525 free_inv_motion_data, move_loop_invariants): Ditto.
14526 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14527 Update dependencies.
14528 (odf.c): Added defective entry that was deleted later in day.
14529 * sched-deps.c (sched_analyze_1): Ditto.
14531 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14533 * tree-ssa-operands.c (get_expr_operands): Record addressable
14534 variables directly. Do not call add_stmt_operands for CONST_DECLs
14536 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14537 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14539 2006-01-11 Ben Elliston <bje@au.ibm.com>
14541 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14542 function returns true in the positive case.
14544 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14547 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14548 for SI, DI, SF and DF modes. Add alternatives to copy between
14549 general and floating point registers to the 32-bit patterns.
14550 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14551 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14552 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14553 generating 64-bit code.
14554 * config/pa/pa.c (output_move_double): Handle copies between general
14555 and floating registers.
14557 2006-01-10 Stuart Hastings <stuart@apple.com>
14559 * config/i386/i386.md (set_got): Update.
14560 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14561 (builtin_setjmp_receiver): Mach-O support.
14562 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14563 (GOT_SYMBOL_NAME): Define.
14564 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14565 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14566 * config/i386/i386.c (override_options): Revise for Darwin.
14567 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14568 support. (darwin_x86_file_end): New. (output_set_got): Add label
14569 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14570 * config/i386/i386-protos.h (output_set_got): Likewise.
14571 * config/darwin.c (machopic_legitimize_pic_address): Update
14574 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14576 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14577 when MODE isn't BLKmode.
14579 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14581 PR rtl-optimization/25367
14582 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14584 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14587 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14588 for a negative bound.
14590 2006-01-10 Richard Guenther <rguenther@suse.de>
14592 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14593 Never override with anything constraint.
14595 2006-01-10 Jan Beulich <jbeulich@novell.com>
14597 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14598 256 bits when optimize_size.
14600 2006-01-10 Jan Beulich <jbeulich@novell.com>
14602 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14604 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14605 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14608 2006-01-10 Ben Elliston <bje@au.ibm.com>
14610 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14612 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14613 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14614 (USE_FP_FOR_ARG): Reject decimal float modes.
14615 (function_arg_advance): Likewise.
14616 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14617 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14618 point types in AltiVec vectors.
14619 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14620 (rs6000_libcall_value): Likewise.
14622 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14624 * config/xtensa/ieee754-df.S: New file.
14625 * config/xtensa/ieee754-sf.S: New file.
14626 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14627 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14628 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14630 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14632 * config/sh/predicates.md (binary_float_operator,
14633 binary_logical_operator, commutative_float_operator,
14634 equality_comparison_operator, greater_comparison_operator,
14635 less_comparison_operator, logical_operator,
14636 noncommutative_float_operator, shift_operator,
14637 symbol_ref_operand, unary_float_operator): Remove redundant
14640 2006-01-09 Jeff Law <law@redhat.com>
14642 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14643 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14644 now unused arguments. Callers updated.
14645 (eliminate_redundant_computations): Remove now unused arguments,
14647 (local_fold): Remove, no longer used.
14648 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14650 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14651 (simplify_cond): New function.
14652 (forward_propagate_into_cond): Call simplify_cond.
14654 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14656 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14657 (*vec_extractv2di_1_sse): New.
14659 2006-01-09 Ben Elliston <bje@au.ibm.com>
14661 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14663 2006-01-08 Richard Guenther <rguenther@suse.de>
14665 * tree-ssa-structalias.c (get_constraint_for): Remove
14666 anyoffset argument.
14667 (get_constraint_for_component_ref): Likewise.
14668 (do_deref): Likewise.
14669 (get_constraint_for): Likewise.
14670 (do_structure_copy): Likewise.
14671 (handle_ptr_arith): Likewise.
14672 (find_func_aliases): Likewise. Remove unused need_anyoffset
14675 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14676 Kaz Kojima <kkojima@gcc.gnu.org>
14678 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14679 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14680 (EXTRA_CONSTRAINT_C16): Remove.
14681 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14682 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14683 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14684 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14685 constants of SHmedia. Handle nested constant expressions of
14687 (andcosts): Fix the costs for SHmedia constants.
14688 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14689 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14690 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14691 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14692 (movv4hi_i, movv2si_i): Likewise.
14693 (movsi_const): Adjust the second operand of ior so to match with
14694 the Csu constraint.
14695 (movdi_const, movdi_const_32bit): Likewise.
14696 (movdi_const_16bit+1): Don't sign-extend LOW.
14697 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14699 (*double_shori): Fix the split condition. Use GEN_INT instead
14700 of get_int_mode calls. Mask lower 16-bit of the argument of
14702 (sym2GOTPLT): Remove.
14703 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14705 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14706 instead of EXTRA_CONSTRAINT_C16.
14708 2006-01-07 Ian Lance Taylor <ian@airs.com>
14709 David Edelsohn <edelsohn@gnu.org>
14711 PR rtl-optimization/25662
14712 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14713 for constant operands instead of simplify_gen_binary.
14714 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14715 after trying simplify_binary_operation
14717 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14719 * tree.c (iterative_hash_expr): Hash decls based on UID.
14721 2006-01-06 Eric Christopher <echristo@apple.com>
14723 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14724 (TARGET_UNWIND_EMIT): Fix spelling.
14725 * target.h (gcc_target): Add except_table_label.
14726 * except.c (output_function_exception_table): Use.
14727 * varasm.c (default_emit_except_table_label): New.
14728 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14730 (asm_out): Add here.
14731 * output.h (default_emit_except_table_label): Prototype.
14732 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14733 * config/darwin.c (darwin_emit_except_table_label): Define.
14734 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14736 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14738 PR tree-optimization/18527
14739 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14740 number_of_iterations_special, number_of_iterations_exit):
14741 Move base and step of an iv to a single structure. Add
14742 no_overflow flag, and use it in # of iterations analysis.
14743 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14744 folded_casts argument.
14745 (simple_iv): Pass base and step in a structure. Set no_overflow
14747 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14748 Evaluate expensiveness of computing # of iterations instead of
14749 the final expression.
14750 * tree-scalar-evolution.h (affine_iv): New structure.
14751 (simple_iv): Declaration changed.
14752 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14753 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14754 find_givs_in_stmt): Changed due to simple_iv change.
14756 2006-01-06 Jeff Law <law@redhat.com>
14759 * tree-cfg.c (bsi_replace): Rename final argument from
14760 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14761 change (stmt -> orig_stmt).
14762 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14763 (bsi_remove): Add new argument. Remove EH information
14765 (verify_eh_throw_table_statements): New function.
14766 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14768 * tree-optimize.c (execute_free_cfg_annotations): Verify
14769 the EH throw statement table after removing annotations.
14770 * except.h (verify_eh_throw_table_statements): Prototype.
14771 * tree-flow.h (bsi_remove): Update prototype.
14772 * tree-vrp.c (remove_range_assertions): Add new argument to
14774 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14775 * tree-complex.c (expand_complex_div_wide): Likewise.
14776 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14777 * tree-tailcall.c (eliminate_tailcall): Likewise.
14778 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14779 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14780 * tree-nrv.c (tree_nrv): Likewise.
14781 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14782 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14783 (combine_blocks): Likewise.
14784 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14785 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14786 (cleanup_control_flow): Likewise.
14787 (remove_forwarder_block): Likewise.
14788 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14789 * tree-sra.c (sra_replace): Likewise.
14790 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14791 (forward_propagate_single_use_vars): Likewise.
14792 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14793 * tree-inline.c (expand_call_inline): Likewise.
14794 * tree-vect-transform.c (vect_transform_loop): Likewise.
14795 * tree-outof-ssa.c (rewrite_trees): Likewise.
14796 * tree-cfg.c (make_goto_expr_edges): Likewise.
14797 (cleanup_dead_labels): Likewise.
14798 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14799 (bsi_move_before, bsi_move_after): Likewise.
14800 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14801 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14803 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14806 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14808 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14809 on non gimple variables. Also add checks at the top for decls and
14811 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14813 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14814 and IMAGPART_EXPR for creating MUST_DEFs.
14815 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14816 and NAME_MEMORY_TAG separately from the DECLs.
14818 2006-01-06 Richard Guenther <rguenther@suse.de>
14820 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14821 annotation, if necessary.
14822 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14823 redundant calls to update_stmt.
14824 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14827 2006-01-05 Richard Henderson <rth@redhat.com>
14829 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14831 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14833 * c-typeck.c: Update copyright date.
14835 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14837 * c-typeck.c (build_c_cast): Always warn when casting
14838 from a pointer to an integer of different size, even if
14839 the node was constant.
14841 2006-01-05 Richard Guenther <rguenther@suse.de>
14843 PR tree-optimization/22555
14844 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14845 if one structure field is an array.
14846 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14847 operands even if we found a subvar, but ignore VOPs in this
14849 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14851 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14853 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14855 PR middle-end/24998
14856 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14858 2006-01-05 Richard Guenther <rguenther@suse.de>
14859 Diego Novillo <dnovillo@redhat.com>
14861 * tree-pass.h (TODO_remove_unused_locals): Define.
14862 * gimple-low.c (expand_var_p, remove_useless_vars,
14863 pass_remove_useless_vars): Remove. Update all users.
14864 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14865 (remove_unused_locals): New function.
14866 * tree-flow.h (remove_unused_locals): Declare.
14867 * passes.c (execute_todo): Call remove_unused_locals if
14868 TODO_remove_unused_locals is set.
14869 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14870 * tree-ssa-dce.c (pass_dce): Likewise.
14871 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14873 2006-01-05 Richard Guenther <rguenther@suse.de>
14875 * tree-flow.h (struct fieldoff): Decompose field to
14876 type, size and decl.
14877 * tree-ssa-alias.c (create_sft): Take type as parameter.
14878 (create_overlap_variables_for): Store type, size and decl
14879 in the fieldoff structure.
14880 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14881 of struct fieldoff.
14882 (push_fields_onto_fieldstack): Likewise.
14883 (create_variable_info_for): Likewise. Use offset for the
14884 SFT name if the decl is not available.
14886 2006-01-04 Paul Brook <paul@codesourcery.com>
14888 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14890 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14892 * lambda-code.c (can_put_in_inner_loop): Relax
14894 (can_put_after_inner_loop): New function.
14895 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14896 (perfect_nestify): Change to make copies and modify uses.
14898 2006-01-04 Richard Henderson <rth@redhat.com>
14900 Merge from gomp branch:
14901 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14902 via integer constant.
14903 (pragma_lex): Remove.
14904 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14905 rather than parsing it.
14906 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14907 handle_pragma_extern_prefix): Add %< %> quotes.
14908 (registered_pragmas): New.
14909 (c_register_pragma_1): New.
14910 (c_register_pragma): Use it.
14911 (c_register_pragma_with_expansion): Likewise.
14912 (c_invoke_pragma_handler): New.
14913 (init_pragma): Use cpp_register_deferred_pragma directly for
14915 * c-pragma.h (enum pragma_kind): New.
14916 (pragma_handler): New.
14917 (c_invoke_pragma_handler): Declare.
14918 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14920 * c-common.h (c_common_pch_pragma): Update decl.
14921 * Makefile.in (c-parser.o): Update dependencies.
14922 (GTFILES): Add c-pragma.h.
14923 * c-parser.c (struct c_token): Add pragma_kind.
14924 (struct c_parser): Add in_pragma.
14925 (c_lex_one_token): Always initialize keyword and pragma_kind.
14926 Extract data for CPP_PRAGMA.
14927 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14928 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14929 Don't allow CPP_PRAGMA_EOL if in_pragma.
14930 (c_parser_consume_pragma): New.
14931 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14932 (c_parser_skip_to_end_of_parameter): Likewise.
14933 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14934 (c_parser_skip_to_pragma_eol): New.
14935 (c_parser_external_declaration): Handle CPP_PRAGMA.
14936 (c_parser_compound_statement_nostart): Likewise.
14937 (c_parser_statement_after_labels): Likewise.
14938 (c_parser_pragma): New.
14939 (pragma_lex): Likewise.
14940 (c_parser_pragma_pch_preprocess): New.
14941 (c_parser_new): Merge into ...
14942 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14944 2006-01-04 Jeff Law <law@redhat.com>
14947 * tree-cfg.c (bsi_replace): Remove the original statement
14948 from the EH throw statement table.
14950 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14952 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14953 make the prototype extern "C" and add throw ().
14956 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14957 and pos non-negative and pos + len <= 32.
14958 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14959 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14960 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14963 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14964 as well as sizes not multiple of component size.
14967 * function.c (instantiate_expr): New function.
14968 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14969 walk its DECL_VALUE_EXPR with instantiate_expr.
14971 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14972 DW_OP_deref{,_size} if address isn't going to be added.
14974 2006-01-04 Ben Elliston <bje@au.ibm.com>
14976 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14977 * config/fp-bit.c: Likewise.
14979 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14981 * dominance.c: Add comment about why we use DFS numbering
14984 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14985 Richard Henderson <rth@redhat.com>
14987 Merge from gomp-branch:
14988 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14989 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14991 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14993 PR rtl-optimization/25578
14994 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14995 pass a parameter to simplify_shift_const if changing ASHIFTRT
14998 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15000 * builtins.c (get_builtin_sync_mem): New function.
15001 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15002 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15003 Call get_builtin_sync_mem to generate mem rtx.
15005 2006-01-03 Richard Guenther <rguenther@suse.de>
15008 * stmt.c (add_case_node): Make sure to clear overflow flags
15011 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15013 Merge from gomp-branch.
15014 * config/sparc/sync.md: New file.
15015 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15016 UNSPECV_LDSTUB): New constants.
15017 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15018 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15019 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15022 2006-01-03 Roger Sayle <roger@eyesopen.com>
15024 * combine.c (reg_subword_p): New predicate to test whether the
15025 destination of a set refers to a subword/piece of a register.
15026 (try_combine): Generalize the code to merge the setting of a
15027 pseudo to a constant followed by a set of a subword of that
15028 register to a constant.
15030 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15032 * basic-block.h (control_flow_graph): Change the type of
15033 x_label_to_block_map to VEC(basic_block,gc) *.
15034 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15035 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15037 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15038 VEC(basic_block,heap) *.
15039 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15040 ssa_prop_fini): Adjust the uses of cfg_blocks.
15042 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15044 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15046 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15047 hashing trees instead of a pointer hash.
15048 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15049 compare for MEM_EXPR.
15051 PR rtl-optimization/25130
15052 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15053 when comparing MEMs for GCSE
15055 2006-01-03 Ben Elliston <bje@au.ibm.com>
15057 * targhooks.h (default_decimal_float_supported_p): Declare.
15058 * targhooks.c (default_decimal_float_supported_p): Define.
15059 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15060 `default_decimal_float_supported_p'.
15061 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15063 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15065 * combine.c (apply_distributive_law <SUBREG>): Check
15066 TRULY_NOOP_TRUNCATION.
15068 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15070 * dwarf2out.c (have_switched_text_section): Delete.
15071 (have_multiple_function_sections): New.
15072 (have_location_lists): Make 'bool'.
15073 (add_AT_loc_list): Use 'true' not '1'.
15074 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15075 (output_loc_list): Use have_multiple_function_sections.
15076 (output_ranges): Likewise.
15077 (dwarf2out_begin_function): Set have_multiple_function_sections if
15079 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15080 Check function_section rather than DECL_SECTION_NAME.
15081 (dwarf2out_finish): Use have_multiple_function_sections.
15082 Don't clear have_location_lists.
15084 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15085 Jan Hubicka <jh@suse.cz>
15087 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15088 case of conditional jump jumping to the next instruction.
15089 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15090 cases of conditional jump jumping to the next instruction.
15092 2006-01-02 Jan Hubicka <jh@suse.cz>
15094 * i386.c (*_cost): Add COSTS_N_INSNS.
15095 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15097 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15100 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15102 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15104 * config/arm/arm.c (all_fpus): Fix comment typo.
15105 * config/darwin.c: Likewise.
15106 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15107 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15108 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15110 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15112 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15113 (rs6000_split_compare_and_swapqhi): New.
15114 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15115 (sync_compare_and_swapqhi_internal): New.
15116 * config/rs6000/rs6000-protos.h: Declare.