1 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3 PR rtl-optimization/21299
4 * reload1.c (reload): Purge invalid ASMs in the final pass.
6 2006-09-19 Steve Ellcey <sje@cup.hp.com>
9 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
10 pointers as legitimate constants.
12 2006-09-19 Paul Brook <paul@codesourcery.com>
15 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
17 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
19 PR tree-optimization/28887
20 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
21 component parts from the reference.
22 (gather_memory_references_ref): Record the reference without the
23 nonaddressable component parts.
25 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
28 * c-opts.c (c_common_handle_option): Ignore the -std options
29 if the input language is assembly.
31 2006-09-17 Ira Rosen <irar@il.ibm.com>
34 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
36 (ptr_ptr_may_alias_p): Likewise.
37 (record_record_differ_p): New function.
38 (base_object_differ_p): Call record_record_differ_p.
40 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
43 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
44 away for the expr argument.
46 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
49 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
50 before using it for dumping after vectorizing loops.
52 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
53 Jack Howarth <howarth@bromo.med.uc.edu>
56 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
57 skip on error_mark_node.
58 (rs6000_darwin64_record_arg_recurse): Likewise.
60 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
62 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
63 * doc/rtl.texi: Remove related documentation.
65 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
67 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
70 2006-09-15 Jim Wilson <wilson@specifix.com>
72 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
73 Handle symbol offsets same as they are handled in ia64_expand_move
76 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
78 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
79 Add forgotten parameter to the fprintf call.
81 2006-09-15 Steve Ellcey <sje@cup.hp.com>
83 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
85 2006-09-15 Uros Bizjak <uros@kss-loka.si>
87 * doc/contrib.texi: Add my entry.
89 2006-09-15 Nick Clifton <nickc@redhat.com>
91 * doc/md.texi (Processor pipeline description): Fix typo in
92 example of how to use the absence_set directive and reword the
93 description to make it slightly easier to read.
95 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
97 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
98 * loop-doloop.c (doloop_optimize): Use it to limit costs of
99 expanding the number of iterations.
100 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
102 * cfgrtl.c (emit_insn_at_entry): New function.
103 * rtl.h (emit_insn_at_entry): Declare it.
104 * integrate.c (emit_initial_value_sets): Use it.
106 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
108 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
110 (struct loop_work and related VEC declarations): Delete.
111 (bfin_dump_loops): Print out new member bad.
112 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
113 (bfin_scan_loop): Don't recurse.
114 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
115 loops. No longer need to update outer loops if the current one is
116 found bad. Move some validitiy checks to bfin_discover_loop.
117 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
118 but changed not to check for nesting. Also changed to use the new bad
120 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
121 time. Use bitmap based test to discover loop nesting.
123 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
125 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
128 2006-09-14 Richard Guenther <rguenther@suse.de>
129 Kazu Hirata <kazu@codesourcery.com>
132 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
133 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
134 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
135 with TARGET_FUNCTION_VALUE.
137 2006-09-14 Anatoly Sokolov <aesok@post.ru>
140 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
142 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
144 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
147 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
150 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
153 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
155 * basic_block.h (bb_has_eh_pred): Fix comment.
157 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
159 * flow.c (calculate_global_regs_live): Invalidate eh registers
160 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
161 (propagate_block): Handle eh registers as if they were set at basic
163 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
165 * global.c (global_conflicts): Make eh registers to conflict with
166 pseudos live at basic block begin.
167 * basic_block.h (bb_has_eh_pred): New function.
169 2006-09-13 Richard Sandiford <richard@codesourcery.com>
171 PR rtl-optimization/28982
172 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
173 index of a PRE_MODIFY or POST_MODIFY address.
174 * reload1.c (inc_for_reload): Use find_replacement on the original
175 base and index registers.
177 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
179 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
180 for -Os. Update __m128 alignment requirement.
182 2006-09-13 Jan Hubicka <jh@suse.cz>
184 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
186 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
188 PR rtl-optimization/28243
189 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
190 the insn to which the note was originally attached.
192 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
193 Roger Sayle <roger@eyesopen.com>
195 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
196 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
197 on platforms that don't use dwarf for debug info.
199 2006-09-12 Jason Merrill <jason@redhat.com>
202 * builtins.c (expand_builtin_setjmp_receiver): Clobber
203 hard_frame_pointer_rtx after using it to update the frame pointer.
205 2006-09-12 Roger Sayle <roger@eyesopen.com>
207 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
208 (TARGET_ASM_CLOSE_PAREN): Likewise.
209 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
210 (TARGET_ASM_CLOSE_PAREN): Likewise.
212 2006-09-12 Roger Sayle <roger@eyesopen.com>
215 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
216 frame information for frames larger than 512 Kbytes on Tru64 when
217 using the native assembler.
219 2006-09-12 Roger Sayle <roger@eyesopen.com>
223 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
224 and symbols. Instead use the implementation from cse.c's hash_rtx.
226 2006-09-12 Jan Hubicka <jh@suse.cz>
228 PR rtl-optimization/28071
229 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
230 (vect_transform_loop): Likewise.
231 * tree-vectorizer.c (new_loop_vec_info): Likewise.
232 (new_loop_vec_info): Likewise.
233 (destroy_loop_vec_info): Likewise.
234 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
235 (create_stmt_ann): Likewise.
236 (create_tree_ann): Rename to ...
237 (create_tree_common_ann): ... this one; allocate only the common part
239 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
240 (get_value_handle): Likewise.
241 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
243 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
244 (vinfo_for_stmt): Use stmt annotations.
245 * tree-flow.h (tree_ann_common_t): New type.
246 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
247 (tree_ann, get_tree_ann, create_tree_ann): New.
248 * tree-flow-inline.h (get_function_ann): Do more type checking.
249 (stmt_ann): Likewise.
250 (tree_ann): Rename to ...
251 (tree_common_ann): ... this one; return ony common_ann
252 (get_tree_ann): Rename to ...
253 (tree_common_ann): This one; return only common_ann.
254 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
257 2006-09-11 Geoffrey Keating <geoffk@apple.com>
259 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
262 * dwarf2out.c (dwarf_file_data): New.
263 (enum dw_val_class): Add dw_val_class_file.
264 (struct dw_val_struct): Add val_file.
265 (file_table): Change to a hash table.
266 (file_table_emitted): Delete.
267 (file_table_last_lookup_index): Delete.
269 (last_emitted_file): New.
270 (lookup_filename): Change prototype to return a struct dwarf_file_data.
271 (init_file_table): Delete.
272 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
273 (AT_addr): Add comment.
277 (print_die): Handle dw_val_class_file.
278 (print_dwarf_line_table): Update for new file table structure.
279 (attr_checksum): Do checksum a filename.
280 (same_dw_val_p, same_attr_p): Do compare a filename.
281 (size_of_die): Handle dw_val_class_file.
282 (value_format): Likewise.
283 (output_die): Likewise. Also, call maybe_emit_file here.
284 (struct file_info): Constify filenames. Make file_idx a pointer
285 to a struct dwarf_file_data.
286 (struct dir_info): Constify directory names. Remove 'used' field.
287 (struct file_name_acquire_data): New.
288 (file_name_acquire): New.
289 (output_file_names): Modify to handle new file data structures.
290 (add_src_coords_attributes): Use add_AT_file.
291 (add_call_src_coords_attributes): Likewise.
292 (dwarf2out_imported_module_or_decl): Likewise.
293 (gen_subprogram_die): Modify for new file data structures.
294 (gen_variable_die): Likewise.
295 (file_table_eq): New.
296 (file_table_hash): New.
297 (file_table_last_lookup): New.
298 (lookup_filename): Rewrite to handle new file data structures.
299 (maybe_emit_file): Rewrite to handle new file data structures.
300 (dwarf2out_source_line): Always call lookup_filename and
302 (dwarf2out_init): Create file_table here.
303 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
304 (file_table_relative_p): New.
305 (dwarf2out_finish): Change detection of relative filenames
306 to work with new file data structures. Move output_line_info call
307 after debug_info output.
309 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
314 * config/i386/i386.c (override_options): Always default to 16
317 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
320 * var-tracking.c (dump_dataflow_set): Start dumping at
322 (clobber_variable_part): Kill only the variable part in
323 registers holding it, leaving other variables alone.
325 2006-09-11 Josh Triplett <josh@freedesktop.org>
327 * doc/extend.texi (Other Builtins): Actually use the macro
328 argument in the documentation example for
329 __builtin_types_compatible_p.
331 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
333 PR rtl-optimization/28726
334 * sched-deps.c (sched_analyze_reg): New function extracted from...
335 (sched_analyze_1): ...here. Call it to analyze references to
336 registers. Treat again writes to a stack register as writing to the
338 (sched_analyze_2): ...and here. Call it to analyze references to
339 registers. Treat again reads of a stack register as reading the
342 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
343 David Edelsohn <edelsohn@gnu.org>
346 * config/rs6000/spe.md (frob_df_di): Remove %H.
347 (frob_di_df): Remove %H. Change evmergelo to mr.
348 (frob_di_df_2): Remove %H. Change evldd to two loads.
350 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
352 * doc/cpp.texi: Fix names of charset options.
354 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
357 * config/i386/i386.c (override_options): Use 128-bit
358 stack boundary always for 64bits.
360 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
362 PR rtl-optimization/28636
363 * combine.c (force_to_mode): Test for side-effects before
364 substituting by zero.
365 (simplify_shift_const): Likewise for zero or other constants.
367 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
370 * builtins.c (expand_builtin_setjmp): Force next_lab to be
373 2006-09-10 Richard Sandiford <richard@codesourcery.com>
376 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
377 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
378 returned by mode_for_size, rather than the mode of src itself,
379 to choose between 32-bit and 64-bit patterns.
380 (mips_mem_fits_mode_p): New function.
381 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
382 that the size of the source matches the size of the destination.
383 (mov_<store>l, mov_<store>r): Likewise.
385 2006-09-10 Eric Christopher <echristo@apple.com>
387 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
390 2006-09-09 Eric Christopher <echristo@apple.com>
393 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
396 2006-09-09 Roger Sayle <roger@eyesopen.com>
397 Nicolas Setton <setton@adacore.com>
399 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
401 2006-09-10 Andreas Schwab <schwab@suse.de>
403 * config/m68k/m68k.md (bungt_rev): New pattern.
405 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
406 Dale Johannesen <dalej@apple.com>
409 * regclass.c (struct reg_pref): Update documentation.
410 (regclass): Set prefclass to NO_REGS if memory is the best option.
411 (record_reg_classes): Cope with a prefclass set to NO_REGS.
413 2006-09-08 Eric Christopher <echristo@apple.com>
415 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
416 * config/t-slibgcc-darwin: Support x86_64 multilib.
417 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
418 Return 1 for x86_64-darwin.
419 * config/i386/t-darwin: Add m64 multilib.
420 (LIB2_SIDITI_CONV_FUNCS): Use.
421 (LIB2FUNCS_EXTRA): Ditto.
422 * config/i386/darwin.h: Support x86_64.
423 * config/i386/i386.c (override_options): Turn on flag_pic
424 for x86_64-darwin. Disable flag_omit_pointer.
425 (get_pc_thunk_name): Assert !TARGET_64BIT.
426 (legitimate_address_p): Disable machopic addressing for
428 (legitimize_pic_address): Ditto.
429 (ix86_expand_move): Ditto.
430 (ix86_expand_call): Ditto.
431 (machopic_output_stub): Ditto.
432 * config/darwin.c (machopic_select_section): Support literal16.
433 (machopic_select_rtx_section): Ditto.
434 * config/darwin-sections.def: Ditto.
435 * config/darwin-64.c: New.
437 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
440 * c-tree.h (struct c_arg_info): Add pending_sizes.
441 * c-parser.c (c_parser_parms_declarator,
442 c_parser_parms_list_declarator): Initialize pending_sizes.
443 * c-decl.c (get_parm_info): Initialize pending_sizes.
444 (get_parm_info): Set pending_sizes.
445 (grokdeclarator): Call put_pending_sizes for parameters for
446 function definition only.
448 2006-09-07 Jason Merrill <jason@redhat.com>
451 * varasm.c (output_constant): Only strip actual no-op conversions.
454 * config/i386/i386.c (override_options): Use 128-bit
455 stack boundary if -msse.
457 2006-09-07 Eric Christopher <echristo@apple.com>
459 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
461 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
464 2006-09-07 Geoffrey Keating <geoffk@apple.com>
466 * dwarf2out.c: Remove strange characters from comment above
467 dwarf2out_frame_debug_expr.
469 2006-09-07 Eric Christopher <echristo@apple.com>
471 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
472 * config/darwin.h: ... to here.
474 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
476 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
478 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
479 (TARGET_PARTIAL_FLAG_REG_STALL): New.
481 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
482 TARGET_PARTIAL_FLAG_REG_STALL.
483 (*ashldi3_cconly_rex64): Likewise.
484 (*ashlsi3_cmp): Likewise.
485 (*ashlsi3_cconly): Likewise.
486 (*ashlsi3_cmp_zext): Likewise.
487 (*ashlhi3_cmp): Likewise.
488 (*ashlhi3_cconly): Likewise.
489 (*ashlqi3_cmp): Likewise.
490 (*ashlqi3_cconly): Likewise.
491 (*ashrdi3_cmp_rex64): Likewise.
492 (*ashrdi3_cconly_rex64): Likewise.
493 (*ashrsi3_cmp): Likewise.
494 (*ashrsi3_cconly): Likewise.
495 (*ashrsi3_cmp_zext): Likewise.
496 (*ashrhi3_cmp): Likewise.
497 (*ashrhi3_cconly): Likewise.
498 (*ashrqi3_cmp): Likewise.
499 (*ashrqi3_cconly): Likewise.
500 (*lshrdi3_cmp_rex64): Likewise.
501 (*lshrdi3_cconly_rex64): Likewise.
502 (*lshrsi3_cmp): Likewise.
503 (*lshrsi3_cconly): Likewise.
504 (*lshrsi3_cmp_zext): Likewise.
505 (*lshrhi3_cmp): Likewise.
506 (*lshrhi3_cconly): Likewise.
507 (*lshrqi2_cmp): Likewise.
508 (*lshrqi2_cconly): Likewise.
510 2006-09-07 Uros Bizjak <uros@kss-loka.si>
513 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
514 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
515 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
516 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
517 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
518 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
519 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
520 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
521 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
522 implement only CC setting effects of shift instructions.
524 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
526 * doc/contrib.texi: Add myself.
528 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
531 * stor-layout.c (relayout_decl): Don't zero the alignment if it
534 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
537 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
538 (divsi_inv_m1): Use them.
539 (UNSPEC_DIV_INV_TABLE): New constant.
541 2006-09-06 James E Wilson <wilson@specifix.com>
544 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
545 then call count_or_remove_death_notes.
547 2006-09-06 Jason Merrill <jason@redhat.com>
550 * tree-inline.c (copy_result_decl_to_var): New fn.
551 (declare_return_variable): Use it. Call declare_inline_vars here.
552 (expand_call_inline): Not here.
554 2006-09-06 Diego Novillo <dnovillo@redhat.com>
556 * doc/contrib.texi: Update my entry.
558 2006-09-06 Nick Clifton <nickc@redhat.com>
560 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
562 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
565 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
566 (canonicalize_induction_variables): Likewise.
567 (tree_unroll_loops_completely): Likewise.
568 (tree_ssa_prefetch_arrays): Likewise.
569 (remove_empty_loops): Likewise.
570 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
571 TODO_cleanup_cfg instead of directly calling
572 cleanup_tree_cfg_loop.
573 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
575 (tree_unroll_loops_completely): Likewise.
576 (remove_empty_loops): Likewise.
577 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
578 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
579 of tree_ssa_unswitch_loops.
580 (tree_ssa_loop_ivcanon): Use the return value of
581 canonicalize_induction_variables.
582 (tree_ssa_empty_loop): Use the return value of
584 (tree_complete_unroll): Use the return value of
585 tree_unroll_loops_completely.
586 (tree_ssa_loop_prefetch): Use the return value of
587 tree_ssa_prefetch_arrays.
588 * passes.c (execute_todo): Before Cleanup CFG, set
589 updating_used_alone and after cleanup CFG, call
590 recalculate_used_alone.
592 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
595 * tree-vect-transform.c (vectorizable_condition): Move the check
596 for the type after the check for simple condition.
598 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
599 Kaz Kojima <kkojima@gcc.gnu.org>
602 * mode-switching.c (optimize_mode_switching): Make the destination
603 block of an abnormal edge have no anticipatable mode. Don't
604 insert mode switching code at the end of the source block of
607 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
609 PR rtl-optimization/26847
610 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
611 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
612 (simplify_plus_minus): Count n_constants while filling ops. Replace
613 qsort with insertion sort. Before going through the array to simplify
614 pairs, sort it. Delay early exit until after the first sort, exiting
615 only if no swaps occurred. Simplify pairs in reversed order, without
616 special-casing the first iteration. Pack ops after simplifying pairs.
618 2006-09-05 Anatoly Sokolov <aesok@post.ru>
620 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
621 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
622 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
623 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
625 2006-09-05 Richard Guenther <rguenther@suse.de>
627 PR tree-optimization/28900
628 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
629 compound conditional before creating COND_EXPR condition.
631 2006-09-05 Richard Guenther <rguenther@suse.de>
633 PR tree-optimization/28905
634 * tree-vrp.c (fix_equivalence_set): Manually implement
635 !value_ranges_intersect_p to also handle symbolic ranges.
637 2006-09-05 Richard Guenther <rguenther@suse.de>
640 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
643 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
645 PR rtl-optimization/27616
646 * cse.c (table_size): New static variable.
647 (new_basic_block): Initialize it to 0.
648 (remove_from_table): Decrement it.
649 (insert): Increment it.
650 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
651 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
652 fold_rtx_mem_1 if under the cap.
653 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
654 the lookup of the equivalent expression and test for equality of the
655 first operand of the equivalent expression before in turn looking up
656 an equivalent constant for the second operand.
658 2006-09-02 Geoffrey Keating <geoffk@apple.com>
661 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
662 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
663 pointer, instead of assuming it is possible to derive the
664 correct args size from a call insn.
666 2006-09-02 Jakub Jelinek <jakub@redhat.com>
669 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
670 (fold_builtin_mempcpy): Rename to...
671 (fold_builtin_memory_op): ... this. Optimize one element copy
673 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
675 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
676 (expand_builtin_memcpy, expand_builtin_mempcpy,
677 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
678 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
679 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
680 BUILT_IN_MEM{CPY,PCPY,MOVE}.
682 2006-09-01 DJ Delorie <dj@redhat.com>
684 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
686 ("stzx_24_<mode>"): Likewise.
687 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
688 ("cmp<mode>_op"): New.
689 (cmp<mode>): Change to expander; just save operands.
691 (b<code>): Change to expander, emit compare here.
692 (s<code>_op): Change to use split and expander.
693 (s<code>_24_op): Likewise.
694 (s<code>_<mode>): New.
695 (s<code>_<mode>_24): New.
696 (movqicc_<code>_<mode): New.
697 (movhicc_<code>_<mode>): New.
700 * config/m32c/m32c.c (compare_op0, compare_op1): New.
701 (m32c_pend_compare): New.
702 (m32c_unpend_compare): New.
703 (m32c_expand_scc): New.
704 (m32c_expand_movcc): Emit the compare also.
705 * config/m32c/predicates.md (mra_nopp_operand): New.
707 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
708 Richard Guenther <rguenther@suse.de>
709 Adam Nemet <anemet@caviumnetworks.com>
712 * builtins.c (get_pointer_alignment): Handle more forms
713 of base addresses that can be used to derive more precise
714 information about alignment.
716 2006-09-01 Jason Merrill <jason@redhat.com>
719 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
722 * gimplify.c (voidify_wrapper_expr): Handle null type.
724 2006-09-01 Josh Conner <jconner@apple.com>
727 * tree-nrv.c (dest_safe_for_nrv_p): New function.
728 (execute_return_slot_opt): Use it.
730 2006-08-31 Josh Conner <jconner@apple.com>
733 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
734 returning aggregates.
736 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
738 PR tree-optimization/28839
739 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
740 blocks in that phi arguments appear.
742 2006-08-31 Roger Sayle <roger@eyesopen.com>
745 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
746 NULL, otherwise use an advance_loc4 to adjust relative to the
748 (output_cfi) <DW_CFA_set_loc>: Update the current label.
749 (dwarf2out_switch_text_section): Reset the current label to avoid
750 using advance_loc4 over section boundaries.
752 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
755 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
756 r12 + SYMBOLIC_CONST.
758 2006-08-30 Richard Guenther <rguenther@suse.de>
760 * Makefile.in (see.o): Add $(EXPR_H) dependency.
762 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
764 PR rtl-optimization/27735
765 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
766 Add new argument to keep track of whether an irreducible region
767 was affected. All callers changed.
768 (fix_irreducible_loops): Removed.
769 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
770 flags were invalidated.
772 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
774 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
775 instead of SF operands.
776 (*fop_df_comm_sse): Likewise.
777 (*fop_df_comm_i387): Likewise.
778 (*fop_df_1_mixed): Likewise.
779 (*fop_df_1_sse): Likewise.
781 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
782 J"orn Rennecke <joern.rennecke@st.com>
784 PR tree-optimization/17506
785 * tree-ssa.c (warn_uninit): If warning about a location outside of
786 the current function, note where the variable was declared.
788 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
790 PR tree-optimization/28411
791 * double-int.c (double_int_div): Use double_int_divmod.
792 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
793 double_int_mod, double_int_smod, double_int_umod): New functions.
794 * double-int.h (double_int_divmod, double_int_sdivmod,
795 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
797 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
799 (get_computation_aff, get_computation_cost_at): Handle double_int
800 return type of constant_multiple_of.
802 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
805 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
806 an implicit conversion.
808 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
810 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
812 2006-08-27 Roger Sayle <roger@eyesopen.com>
814 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
817 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
819 * config/i386/crtfastmath.c: Fix a comment typo.
821 2006-08-26 Roger Sayle <roger@eyesopen.com>
823 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
824 temporary visit flags on CASE_LABEL_EXPRs.
825 * c-common.c (match_case_to_enum): Add function comment. Avoid
826 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
827 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
828 CASE_HIGH_SEEN for enumerated types. If the switch expression is
829 a constant, only warn if that constant value isn't handled.
831 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
834 * input.h (restore_input_file_stack): Declare.
835 (INPUT_FILE_STACK_BITS): Define.
836 * toplev.c (fs_p, input_file_stack_history,
837 input_file_stack_restored, restore_input_file_stack): New.
838 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
839 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
840 (pop_srcloc): Don't free old state of stack.
842 2006-08-26 David Edelsohn <edelsohn@gnu.org>
845 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
846 (PowerPC Type Attributes): New.
848 2006-08-26 Bob Wilson <bob.wilson@acm.org>
850 * config/xtensa/xtensa.c (function_arg_boundary): New.
851 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
853 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
854 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
856 2006-08-26 Jakub Jelinek <jakub@redhat.com>
859 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
862 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
864 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
865 (verify_local_live_at_start): Likewise.
867 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
870 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
871 omp_add_variable): Treat sizes as variable whenever not
874 2006-08-26 Richard Guenther <rguenther@suse.de>
877 * fold-const.c (fold_binary): Fold temporary to correct
878 type before constructing new comparison.
880 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
883 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
884 variable again if DECL_SEEN_IN_BIND_EXPR_P.
886 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
889 * c-decl.c (start_function): Don't try to process prototype
890 information from old declaration that isn't a function.
892 2006-08-25 Jan Hubicka <jh@suse.cz>
895 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
897 2006-08-25 Alan Modra <amodra@bigpond.net.au>
900 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
903 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
905 PR tree-optimization/16876
906 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
907 exit if PARM doesn't match VALUE.
909 2006-08-25 Bob Wilson <bob.wilson@acm.org>
911 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
912 literal_prefix directive.
913 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
914 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
915 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
917 2006-08-25 David Edelsohn <edelsohn@gnu.org>
920 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
921 predicate to general_operand. Add 0->y and I->r alternatives.
923 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
925 * doc/tm.texi: Fix a typo.
926 * predict.c: Fix comment typos.
928 2006-08-25 Nick Clifton <nickc@redhat.com>
930 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
931 assertions of "cpu" and "machine".
933 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
936 * tree-ssa-operands.c (access_can_touch_variable): Don't say
937 the access through a base which has an alias set of 0 cannot
940 2006-08-24 Bill Wendling <wendling@apple.com>
942 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
944 2006-08-24 Jan Hubicka <jh@suse.cz>
946 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
948 2006-08-24 Jan Hubicka <jh@suse.cz>
951 * cgraph.c: Fix comments.
952 (cgraph_varpool_mark_needed_node): Mark only variables not already
954 * cgraphunit.c: Update comments; include gt-cgraphunit.h
955 (cgraph_varpool_assembled_nodes_queue): New static variable.
956 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
957 (cgraph_varpool_output_debug_info): New function.
958 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
959 * Makefile.in: Add gt-cgraphunit.h
961 2006-08-24 Jan Hubicka <jh@suse.cz>
963 * predict.c (probability_reliable_p): New predicate.
964 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
965 (predict_loops): Do not predict loop exit with less than 2%
967 * basic-block.h (edge_probability_reliable_p,
968 br_prob_note_reliable_p): Declare.
969 * ia64.h (ia64_print_operand): Do not disable on-chip branch
970 prediction when static predictor is not reliable.
971 * rs6000.c (output_cbranch): Likewise.
973 2006-08-23 Stuart Hastings <stuart@apple.com>
976 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
977 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
979 2006-08-21 Geoffrey Keating <geoffk@apple.com>
982 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
983 complex values, nor for generic vector values.
985 2006-08-22 Richard Guenther <rguenther@suse.de>
988 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
989 parameter. Convert arguments to arithmetic expression to the
991 (analyze_scalar_evolution_1): Adjust caller.
993 2006-08-22 Jan Hubicka <jh@suse.cz>
995 Patch by Paolo Bonzini
996 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
999 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1001 PR tree-optimization/28003
1002 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1003 before grouping aliases.
1005 2006-08-22 Roger Sayle <roger@eyesopen.com>
1007 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1008 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1010 2006-08-21 Jason Merrill <jason@redhat.com>
1013 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1014 wrapper. Loop to handle nested wrappers.
1015 (gimplify_bind_expr): Remove temp parameter.
1016 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1017 and STATEMENT_LIST on the rhs.
1018 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1019 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1020 (gimplify_target_expr): Remove special BIND_EXPR handling.
1022 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1024 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1027 2006-08-21 Olivier Hainque <hainque@adacore.com>
1029 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1030 Arrange for the temporary captures of components overlapping the lhs
1031 to happen before the lhs is possibly cleared.
1033 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1035 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1036 necessary places to pass the correct "number of registers" values
1039 2006-08-20 Jan Hubicka <jh@suse.cz>
1041 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1042 (create_name_tags): Instead of quadratic checking use hashtable.
1043 * bitmap.h: Include hashtab.h.
1044 (bitmap_hash): Declare.
1045 * bitmap.c (bitmap_hash): New function.
1047 2006-08-20 Jan Hubicka <jh@suse.cz>
1049 PR rtl-optimization/28071
1050 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1052 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1053 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1054 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1055 cgraph_decide_inlining_incrementally): Update use of
1056 cgraph_check_inline_limits.
1057 * cgraph.c (edge_hash, edge_eq): New function.
1058 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1059 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1060 cgraph_remove_node): Maintain call site hash.
1061 * cgraph.h (struct cgraph_node): Add call_site_hash.
1062 (cgraph_set_call_stmt): New function.
1064 2006-08-20 Jan Hubicka <jh@suse.cz>
1066 PR rtl-optimization/28071
1067 * reload1.c (reg_has_output_reload): Turn into regset.
1068 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1069 choose_reload_regs, emit_reload_insns): Update to new
1070 reg_has_output_reload.
1072 2006-08-20 Jan Hubicka <jh@suse.cz>
1075 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1076 function body sizes.
1077 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1079 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1082 * tree.c (handle_dll_attribute): Return early if not a
1083 var or function decl.
1085 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1088 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1089 alignment of SPE vector types.
1091 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1093 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1095 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1098 * cgraph.h (struct cgraph_node): Remove externally_visible
1100 * cgraphunit.c (process_function_and_variable_attributes): Set
1101 local.externally_visible rather than externally_visible.
1104 * c-common.c (handle_externally_visible_attribute): First look
1105 at TREE_CODE and only if it is function or var decl, check for
1106 non-public objects. Don't warn for DECL_EXTERNAL.
1107 * cgraphunit.c (process_function_and_variable_attributes): Warn
1108 if externally_visible attribute is used on non-public object.
1110 2006-08-17 Jan Hubicka <jh@suse.cz>
1112 PR tree-optimization/27865
1113 * reload1.c (forget_marked_reloads): New function.
1114 (forget_old_reloads_1): When data are passed, just mark the registers
1116 (reload_as_needed): Use the new mechanizm.
1118 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1121 * reload.h (reg_equiv_alt_mem_list): New declaration.
1122 * reload1.c (reg_equiv_alt_mem_list): New definition.
1123 (reload): Initialize it and release it.
1124 (delete_output_reload): Use it.
1125 * reload.c (push_reg_equiv_alt_mem): New function.
1126 (find_reloads_toplev): Call it.
1127 (find_reloads_address, find_reloads_address_1): Likewise.
1128 (find_reloads_subreg_address): Likewise.
1130 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1132 PR rtl-optimization/28489
1133 * sched-ebb.c (begin_schedule_ready): Create basic block
1135 (advance_target_bb): Skip empty blocks.
1136 * haifa-sched.c (bb_note): Make global.
1137 * sched-int.h (bb_note): Add prototype.
1139 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1141 PR tree-optimization/27865
1142 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1144 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1145 fold_used_pointer, pointer_used_p): New functions.
1146 (analyze_scalar_evolution_1): Use fold_used_pointer.
1147 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1148 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1151 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1154 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1155 or the INTEGER_CST. Fail on a CALL_EXPR.
1156 (fold_offsetof): Pass new argument to fold_offsetof_1.
1157 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1158 operand into an INDIRECT_REF.
1159 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1161 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1163 PR gcov/profile/26570
1164 * value-prof.c (static_values): Removed.
1165 (tree_find_values_to_profile): Do not set static_values.
1166 (find_values_to_profile): Do not free static_values.
1167 * profile.c (instrument_values): Do not free the values.
1168 (branch_prob): Free the values.
1170 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1172 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1174 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1177 * c-typeck.c (build_component_ref): Combine qualifiers of
1178 structure or union and field.
1180 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1182 PR rtl-optimization/28071
1183 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1184 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1185 * tree-into-ssa.c (struct dom_dfsnum): New.
1186 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1188 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1189 compute_global_livein.
1190 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1191 in phi nodes in the correct blocks.
1193 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1195 PR tree-optimization/28364
1196 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1198 (fold_affine_expr): New function.
1199 (may_eliminate_iv): Use fold_affine_expr.
1201 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1204 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1207 2006-08-16 Mike Stump <mrs@apple.com>
1209 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1210 * doc/cppopts.texi (-MD): Likewise.
1212 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1215 * c-common.c (handle_weak_attribute): Ignore and warn if
1216 not a FUNCTION_ or VAR_DECL.
1218 2006-07-15 Mike Stump <mrs@apple.com>
1221 * c-parser.c (c_parser_typeof_specifier): Don't use
1222 c_finish_expr_stmt, open code desired semantics instead.
1224 2006-08-15 Nick Clifton <nickc@redhat.com>
1226 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1227 fragment to tmake_file only if threads are enabled.
1228 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1229 * config/i386/t-gthr-win32: New file. ... here.
1231 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1234 * c-parser.c (c_parser_compound_statement_nostart): Reset
1235 parser->error after each statement.
1237 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1240 * omp-low.c (lower_omp_parallel): Convert t to
1241 receiver_decl's type.
1242 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1243 source before comparison.
1246 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1247 to itype in assignment to oldival2.
1249 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1253 * c-typeck.c (build_compound_expr): If the second expression
1254 is an error mark, then just return an error mark instead of
1255 creating a COMPOUND_EXPR.
1257 2006-07-14 Mike Stump <mrs@apple.com>
1259 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1261 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1263 * c-decl.c, var-tracking.c: Fix comment typos.
1265 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1267 PR rtl-optimization/28634
1268 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1269 for floating-point modes unless flag_unsafe_math_optimizations.
1271 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1272 Andrew Pinski <pinskia@physics.uc.edu>
1275 * tree.c (build_array_type): Unify array types with
1276 unspecified index_type.
1277 * c-decl.c (grokdeclarator): Make sure we do not modify a
1278 unified incomplete array type.
1279 * c-typeck.c (store_init_value): Create distinct type before
1280 filling in the index type in an initializer from a compound
1283 * c-decl.c (grokdeclarator): Remove code where we copy the
1286 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1288 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1289 into account for TODO_dump_cgraph.
1290 (TODO_update_ssa_no_phi): Likewise.
1291 (TODO_update_ssa_full_phi): Likewise.
1292 (TODO_update_ssa_only_virtuals): Likewise.
1293 (TODO_remove_unused_locals): Likewise.
1294 (TODO_set_props): Likewise.
1295 (TODO_update_stmt_usage): Likewise.
1297 2006-08-13 Dirk Mueller <dmueller@suse.de>
1299 * c-common.c (strict_aliasing_warning): Fix formatting.
1301 2006-08-13 Matthias Klose <doko@debian.org>
1303 * doc/invoke.texi: Fix spelling errors.
1305 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1307 PR rtl-optimization/23454
1308 * reorg.c (relax_delay_slots): Update comment.
1310 2006-08-11 Richard Guenther <rguenther@suse.de>
1313 * simplify-rtx.c (simplify_const_relational_operation):
1314 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1317 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1319 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1320 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1322 2006-08-10 Paul Brook <paul@codesourcery.com>
1324 * final.c (final_scan_insn): Clear current_insn_predicate before
1325 outputting inline asm.
1327 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1329 PR tree-optimization/26197
1330 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1331 get_ref_base_and_extent and overlap_subvar to add only relevant
1332 subvars as may-aliases.
1333 (add_may_alias_for_new_tag): New function, factored out of
1335 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1336 with additional argument.
1337 * tree-flow.h (new_type_alias): Takes additional argument.
1339 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1341 * gcov.c (no_data_file): New flag.
1342 (read_count_file): Set it if data file not present. Assume counts
1344 (output_lines): Don't name the data file, if there wasn't one.
1346 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1348 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1349 (rs6000_generate_compare): Tweak comments.
1350 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1352 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1354 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1355 (var_debug_decl): New function.
1356 (var_reg_set): Follow debug decl link. Add location even if
1357 reg is already known to hold some other variable.
1358 (var_mem_set): Follow debug decl link.
1359 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1360 decl link. Delete other known locations of the variable part
1362 (var_reg_delete, var_mem_delete): Delete other known locations
1363 of the variable part if requested.
1364 (same_variable_part_p): New function.
1365 (add_stores): Select MO_COPY when appropriate.
1366 (vt_initialize): Handle it.
1367 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1368 known locations for MO_SET and MO_CLOBBER.
1369 (find_variable_location_part): New function.
1370 (set_variable_part, delete_variable_part): Use it.
1371 (clobber_variable_part): New function.
1372 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1375 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1377 PR tree-optimization/26969
1378 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1379 with an empty list of PHIs.
1381 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1385 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1388 2006-08-06 Andreas Schwab <schwab@suse.de>
1390 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1391 string. Whitespace and comment fixup.
1393 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1396 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1400 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1403 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1405 2006-08-04 Jan Hubicka <jh@suse.cz>
1409 * reload.c (push_reload): Patch out the mismatching instruction;
1411 (find_reload): Bail out if the instruction was patched out.
1413 2006-08-04 Jan Hubicka <jh@suse.cz>
1415 PR tree-optimization/24888
1416 * tree-inline.c (expand_call_inline): Do not re-record variables.
1417 (declare_inline_vars): Add variable to unexpanded_var_list.
1419 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1420 Roger Sayle <roger@eyesopen.com>
1422 PR rtl-optimization/26244
1423 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1424 inner_const are negative or greater than or equal to the bitsize of
1425 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1426 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1427 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1428 CONST0_RTX (mode) when the new shift count is greater than or equal to
1429 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1432 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1434 * tree-cfg.c: Fix a comment typo.
1436 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1439 * varasm.c (output_constant): Give the front end another chance to
1440 expand constants, after stripping NOPs.
1442 2006-08-03 Jan Hubicka <jh@suse.cz>
1444 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1447 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1449 PR tree-optimization/27770
1450 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1451 declaration removed (moved to tree-flow.h).
1452 (vect_can_force_dr_alignment_p): Likewise.
1453 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1454 (moved from tree-vectorizer.h).
1455 (vect_can_force_dr_alignment_p): Likewise.
1456 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1457 from outside the vectorizer - in particular from cgraph stage.
1458 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1459 the alignment of global arrays when -fsection-anchors is enabled.
1460 * cgraphunit.c (cgraph_increase_alignment): New function.
1461 (cgraph_optimize): Call cgraph_increase_alignment.
1463 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1466 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1467 not reload a SPE symbol_ref into a lo_sum address.
1469 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1472 * dwarf2out.c (prune_unused_types_prune): Move call to
1473 prune_unused_types_update_strings to cover the parent DIE also.
1475 2006-08-02 Jan Hubicka <jh@suse.cz>
1477 PR gcov/profile/28480
1478 * tree-cfg.c (change_bb_for_stmt): New function.
1479 (tree_merge_blocks, tree_split_blocks): Use it.
1481 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1487 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1488 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1489 (cgraph_optimize): Likewise.
1491 2006-08-01 Stuart Hastings <stuart@apple.com>
1493 * rtl.h (UINTVAL) New.
1494 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1495 * testsuite/gcc.dg/20060801-1.c: New.
1497 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1500 * c-typeck.c (build_external_type): Mark used enum types.
1501 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1503 (gen_subprogram_die): Whitespace fix.
1505 2006-08-01 Jan Hubicka <jh@suse.cz>
1507 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1508 bitmap when not needed.
1509 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1512 2006-08-01 Dirk Mueller <dmueller@suse.de>
1514 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1516 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1518 * Makefile.in: Revert part of previous patch:
1519 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1522 2006-07-30 Eric Christopher <echristo@apple.com>
1525 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1526 (PowerPC Variable Attributes): New section.
1528 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1530 PR target/28126 (partial fix)
1531 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1533 2006-07-28 Jan Hubicka <jh@suse.cz>
1535 PR rtl-optimization/28071
1536 * cfgrtl.c (rtl_delete_block): Free regsets.
1537 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1539 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1541 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1542 and variables used in dependencies.
1544 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1546 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1547 %fs for -mcmodel=kernel.
1548 (stack_tls_protect_test_di): Likewise.
1550 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1552 * Makefile.in: Use mkinstalldirs.
1554 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1557 * opts-common.c (prune_options): Skip joined switches.
1559 2006-07-27 Jan Hubicka <jh@suse.cz>
1561 PR rtl-optimization/28071
1562 * cselib.c (cselib_process_insn): Don't remove useless values too
1563 often for very large hashtables.
1565 2006-07-27 Jan Hubicka <jh@suse.cz>
1567 PR rtl-optimization/28071
1568 * global.c (greg_obstack): New obstack.
1569 (allocate_bb_info): Use it.
1570 (free_bb_info): Likewise.
1571 (modify_reg_pav): Likewise.
1573 2006-07-27 Roger Sayle <roger@eyesopen.com>
1575 * builtins.c (fold_fixed_mathfn): When long and long long are the
1576 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1577 functions to their lceil*, lfloor*, lround* and lrint* forms.
1579 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1582 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1584 (rev_branch_insn): Likewise.
1586 2006-07-27 Jan Hubicka <jh@suse.cz>
1588 PR rtl-optimization/28071
1589 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1590 (reg_set_in_bb, max_reg_computed): New static variables.
1591 (regmove_optimize): Free the new array.
1592 (fixup_match_1): Update call of reg_is_remote_constant_p.
1594 2006-07-26 Jan Hubicka <jh@suse.cz>
1596 PR tree-optimization/27882
1597 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1599 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1601 (cgraph_analyze_compilation_unit): Likewise.
1602 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1603 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1604 (cgraph_early_inlinine): Make order garbage collected.
1605 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1607 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1609 * dbxout.c (output_types_sort): Add a comment.
1610 (output_used_types): Free the VEC.
1612 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1614 * function.c (reorder_fix_fragments): Delete.
1615 (reorder_blocks): Don't call it.
1616 (reorder_blocks_1): Put all subblocks under the origin block.
1618 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1620 PR rtl-optimization/27907
1621 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1624 2006-07-25 Roger Sayle <roger@eyesopen.com>
1627 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1628 bar(x) check that bar's result type can represent all the values of T.
1630 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1632 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1634 2006-07-25 Nick Clifton <nickc@redhat.com>
1636 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1637 size_lookup[] array.
1638 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1639 (ggc_pch_count_object): Likewise.
1640 (ggc_pch_alloc_object): Likewise.
1641 (ggc_pch_write_object): Likewise.
1642 (init_ggc): Do not attempt to initialize entries in the
1643 size_lookup[] array for objects whose size is greater than than
1644 the length of the array.
1646 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1648 * dbxout.c (output_used_types_helper): Push queued types
1650 (output_types_sort): New.
1651 (output_used_types): Collect used types on a VEC and sort them
1654 2006-07-24 Richard Guenther <rguenther@suse.de>
1657 * cgraph.c (cgraph_remove_node): Do not check if dumps
1659 * cgraphunit.c (cgraph_optimize): Likewise.
1661 2006-07-24 Jan Hubicka <jh@suse.cz>
1663 PR rtl-optimization/28071
1664 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1665 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1666 splitting before first stmt.
1668 2006-07-24 Jan Hubicka <jh@suse.cz>
1670 PR rtl-optimization/28071
1671 * ipa-inline.c (update_caller_keys): Remove edges that
1672 are no longer inline candidates.
1674 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1677 * dbxout.c (output_used_types_helper, output_used_types): New.
1678 (dbxout_symbol): Call output_used_types.
1680 2006-07-23 Jan Hubicka <jh@suse.cz>
1684 * cgraph.c (cgraph_varpool_nodes): Export.
1685 (decide_is_variable_needed): Ignored "used" attribute in
1686 unit-at-a-time mode.
1687 * cgraph.h (cgraph_varpool_nodes): Declare.
1688 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1689 unit-at-a-time mode.
1691 2006-07-23 Roger Sayle <roger@eyesopen.com>
1694 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1695 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1696 the __gthrw form of thr_keycreate.
1697 (__gthread_key_delete): Silence the unused argument warning.
1699 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1702 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1703 Cache the last found '\0' marker to avoid quadratic behavior.
1705 2006-07-23 Jan Hubicka <jh@suse.cz>
1707 * i386.md (subsi_3_zext): Fix output template.
1709 2006-07-21 Mike Stump <mrs@apple.com>
1711 * doc/invoke.texi (C++ Dialect Options): Note that
1712 -fvisibility-inlines-hidden doesn't affect explicitly
1713 instantiationed inline methods.
1715 2006-07-20 Roger Sayle <roger@eyesopen.com>
1717 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1718 if the target assembler is GNU binutils' gas.
1719 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1720 whether to pass GNU gas or native as command line options.
1722 2006-07-20 Jason Merrill <jason@redhat.com>
1724 * tree.c (remove_attribute): New fn.
1725 * tree.h: Declare it.
1727 2006-07-20 Paul Brook <paul@codesourcery.com>
1730 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1731 they are invalidated by this instruction.
1733 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1736 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1738 2006-07-20 Eric Christopher <echristo@apple.com>
1741 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1743 2006-07-19 Eric Christopher <echristo@apple.com>
1745 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1746 Rewrite dependencies for libgcc_s.1.dylib.
1748 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1750 * except.c (duplicate_eh_regions_1): Clear next_peer.
1752 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1754 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1755 -mlongcall does not guarantee all calls will be long.
1756 * doc/extend.texi (long_call/short_call): Document that longcall
1757 does not guarantee a long call will be used.
1758 (longcall/shortcall): Likewise.
1760 2006-07-18 Roger Sayle <roger@eyesopen.com>
1763 * expmed.c (expand_shift): Additionally check that the shift_cost
1764 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1765 before implementing a LSHIFT_EXPR as a sequence of additions.
1766 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1767 middle-end that DImode shifts need to be synthesized by expand.
1769 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1772 * tree-ssa-operands.c (access_can_touch_variable): Update
1774 Return true if ALIAS is .GLOBAL_VAR.
1776 2006-07-18 David Daney <ddaney@avtrex.com>
1778 * gcc.c (display_help): Fix typo in help text.
1780 2006-07-18 Olivier Hainque <hainque@adacore.com>
1782 * tree.h (categorize_ctor_elements): Adjust prototype and add
1783 descriptive comment, both in accordance with the interface change
1785 * varasm.c (constructor_static_from_elts_p): New function.
1786 Whether a constructor node is a valid static constant initializer
1787 if all its elements are.
1788 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1789 * output.h: Declare it.
1790 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1791 is a valid constant initializer instead of computing the number of
1792 non-constant elements. Use constructor_static_from_elts_p for this
1793 purpose. Replace the head comment with an indication that this is a
1794 helper for categorize_ctor_elements.
1795 (categorize_ctor_elements): Same interface change as for the _1
1796 helper. Former head comment from this helper moved here, adjusted to
1797 account for the interface changes.
1798 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1799 (all_zeros_p): Likewise.
1800 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1801 static versions of the constructor from the categorize_ctor_elements
1802 return value instead of the formerly computed number of non-constant
1805 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1807 * configure: Regenerate.
1808 * Makefile.in (build_libsubdir): New configure substitution
1809 (build_libobjdir): New variable.
1810 (BUILD_LIBIBERTY): Use it.
1812 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1815 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1817 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1820 * c-common.c (handle_weakref_attribute): Ignore attribute in
1821 the same conditions the alias attribute is ignored.
1823 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1825 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1826 (dbxout_begin_prologue): Increment scope_labelno.
1828 2006-07-17 Richard Henderson <rth@redhat.com>
1831 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1834 2006-07-17 Roger Sayle <roger@eyesopen.com>
1835 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1837 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1838 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1839 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1840 functions such as sbrk, write, etc.. Add function prototypes.
1841 Convert function declarations from K&R to ISO C. Cast pointers
1842 to "long" and "unsigned long" instead of "int" and "unsigned int".
1843 Convert tokens following #endif into comments.
1845 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1847 * invoke.texi: Remove mention of f77; Reformat table for
1848 inline parameter options correctly; mention that -malign-double
1849 is default on x86-64 targets.
1851 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1853 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1854 (convert_affine_scev, chrec_convert_aggressive): Use
1855 avoid_arithmetics_in_type_p. Do not check for the subtypes
1858 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1861 * optabs.c (expand_doubleword_shift): Wrap the call to
1862 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1864 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1867 * optabs.c (expand_binop): Pass next_methods rather than methods
1868 to expand_doubleword_shift.
1870 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1873 * tree.h (dump_addr): Declare.
1874 * print-tree.c (dump_addr): New function.
1875 (print_node_brief, print_node): Use it.
1876 * print-rtl.c (print_rtx): Likewise.
1877 * common.opt (-fdump-noaddr): New option.
1878 * doc/invoke.texi (-fdump-noaddr): Document.
1879 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1880 (ve_info_hash): Likewise.
1882 2006-07-13 Andrew Haley <aph@redhat.com>
1884 PR tree-optimization/19505
1885 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1886 edge leaving this block, make sure that the destination of this
1887 block has only one predecessor.
1889 2006-07-17 Richard Guenther <rguenther@suse.de>
1891 PR tree-optimization/28238
1892 * tree-inline.c (copy_bb): Check if we produced valid
1893 gimple copying and substituting a stmt. If not, gimplify
1896 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1898 * optabs.c (maybe_encapsulate_block): New function extracted from...
1899 (emit_libcall_block): ...here. Invoke it on the block of insns to
1900 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1901 (emit_no_conflict_block): Likewise.
1903 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1905 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1907 2006-07-15 Roger Sayle <roger@eyesopen.com>
1909 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1910 a new NOP_EXPR case of the switch statement.
1912 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1915 * stor-layout.c (place_field): Take the bit field with
1916 an excessive size into account in the ms-bitfiled case.
1919 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1920 the previous bit field.
1922 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1925 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1927 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1929 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1930 signal frames correctly even when the signal was installed with
1933 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1935 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1936 (dbxout_function_end): Use local label LFBB. Remove hook
1938 (dbxout_source_line): Use local label LFBB.
1939 (dbxout_block): Likewise.
1940 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1941 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1942 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1943 and DBX_OUTPUT_NFUN.
1945 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1947 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1949 2006-07-13 Jan Hubicka <jh@suse.cz>
1951 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1953 * output.h (align_variable): Declare.
1954 * varasm.c (align_variable): Export.
1955 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1956 when basic block changed.
1958 2006-07-13 Nick Clifton <nickc@redhat.com>
1960 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1961 walking the LOG_LINKS chain.
1963 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1965 * doc/invoke.texi (C++ Dialect Options): Explain difference
1966 between -fvisibility-inlines-hidden and setting hidden
1967 visibility explicitly.
1969 2006-07-12 Eric Christopher <echristo@apple.com>
1971 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1972 (stmp-lipo): Depend on libgcc.a.
1974 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1976 * tree.c: Fix a comment typo.
1978 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1980 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1982 (umulhisi3_r): Likewise.
1984 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1987 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1988 x < 19, vs wchar_t support.
1990 2006-07-12 Nick Clifton <nickc@redhat.com>
1992 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1993 instead of -isa=sh4.
1995 2006-07-12 Mike Stump <mrs@apple.com>
1997 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1999 2006-07-10 Eric Christopher <echristo@apple.com>
2001 * config/t-slibgcc-darwin: Rewrite.
2003 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2006 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2009 2006-07-08 Matthias Klose <doko@debian.org>
2011 * doc/sourcebuild.texi: Fix typo.
2013 2006-07-07 Mike Stump <mrs@apple.com>
2015 * toplev.c (process_options): Don't give -ffunction-sections may
2016 affect debugging warning for Mach-O.
2018 2006-07-07 James E Wilson <wilson@specifix.com>
2020 * config/mips/mips.md (cpu): Add sb1a.
2021 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2022 addition to sb1. Adjust comments to clarify SB-1A differences from
2024 (ir_sb1a_load): New. Modify bypasses to use it.
2025 (ir_sb1a_simple_alu): Likewise.
2026 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2027 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2028 (mips_issue_rate): Add PROCESSOR_SB1A.
2029 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2030 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2031 (TARGET_SB1): Add PROCESSOR_SB1A check.
2032 (TUNE_SB1): Likewise.
2034 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2035 * config/mips/mips.c (mips_store_data_bypass_p): New.
2036 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2037 store_data_bypass_p.
2039 2006-07-08 Paul Brook <paul@codesourcery.com>
2042 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2044 2006-07-07 Richard Guenther <rguenther@suse.de>
2047 * tree.h (build_one_cst): Declare.
2048 * tree.c (build_one_cst): New function.
2049 * tree-ssa-math-opts.c (get_constant_one): Remove.
2050 (insert_reciprocals): Use build_one_cst.
2051 * fold-const.c (fold_plusminus_mult): Likewise.
2053 2006-07-07 Roger Sayle <roger@eyesopen.com>
2055 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2056 * cfgloopanal.c (dump_graph): Likewise.
2057 * dojump.c (discard_pending_stack_adjust): Likewise.
2058 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2060 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2061 * function.c (finalize_block_changes): Likewise.
2062 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2063 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2064 * rtl.c (dump_rtx_statistics): Likewise.
2065 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2067 * varray.c (dump_varray_statistics): Likewise.
2068 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2069 decode_decimal64, encode_decimal128, decode_decimal128,
2070 decimal_real_to_decimal): Likewise.
2072 2006-07-07 Richard Guenther <rguenther@suse.de>
2074 PR tree-optimization/28187
2075 * tree-vrp.c (vrp_operand_equal_p): New function.
2076 (vrp_bitmap_equal_p): Likewise.
2077 (update_value_range): Use them to compare old and new
2080 2006-07-06 Roger Sayle <roger@eyesopen.com>
2082 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2083 a default case to switch statement to silence compiler warnings.
2085 2006-07-06 Roger Sayle <roger@eyesopen.com>
2088 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2089 the configured assembler supports the x87's ffreep mnemonic.
2090 * configure: Regenerate.
2091 * config.in: Regenerate.
2093 * config/i386/i386.c (output_387_ffreep): New function.
2094 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2095 (output_387_reg_move): Likewise.
2097 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2099 Port to hosts whose 'sort' and 'tail' implementations
2100 treat operands with leading '+' as file names, as POSIX
2101 has required since 2001. However, make sure the code still
2102 works on pre-POSIX hosts.
2103 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2104 which says you should use "tail -c +N" rather than "tail +Nc".
2105 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2107 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2109 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2112 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2115 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2116 PRE_{INC,DEC} of TFmode.
2118 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2119 Alan Modra <amodra@bigpond.net.au>
2122 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2125 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2128 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2129 Remove duplicate gtu.
2131 2006-07-05 Jason Merrill <jason@redhat.com>
2135 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2136 * c-common.c (handle_packed_attribute): So don't copy it here.
2137 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2139 2006-07-05 Mike Stump <mrs@apple.com>
2141 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2143 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2146 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2148 2006-07-05 Richard Guenther <rguenther@suse.de>
2151 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2152 TARGET_SSE2 targets if using SSE math.
2153 (*absdf2_1): Likewise.
2155 2006-07-05 Richard Guenther <rguenther@suse.de>
2157 PR tree-optimization/28162
2158 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2159 make sure to convert the operands to the correct type.
2161 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2163 PR tree-optimization/28218
2165 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2166 to calculate and free the dominator information.
2168 2006-07-04 Peter O'Gorman <peter@pogma.com>
2170 * mklibgcc.in: chmod 644 before ranlib during install.
2172 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2173 J"orn Rennecke <joern.rennecke@st.com>
2175 * configure.ac (.eh_frame data check): Use diff -b.
2177 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2180 * Makefile.in (BUILD_RTL): Add build/vec.o.
2181 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2182 (build/genextract): Delete.
2183 (build/genautomata): Likewise.
2185 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2188 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2189 128-bit IBM long doubles for ABI_V4.
2191 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2193 * tree.c (range_in_array_bounds_p): New predicate.
2194 * tree.h (range_in_array_bounds_p): Declare it.
2195 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2196 return a less conservative answer.
2197 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2198 and flag 'is_group'.
2199 (IS_ELEMENT_FOR_GROUP): New macro.
2200 (FOR_EACH_ACTUAL_CHILD): Likewise.
2201 (next_child_for_group): New helper function.
2202 (can_completely_scalarize_p): Take into account groups.
2203 (sra_hash_tree): Handle RANGE_EXPR.
2204 (sra_elt_eq): Likewise.
2205 (lookup_element): Be prepared for handling groups.
2206 (is_valid_const_index): Delete.
2207 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2208 instead of is_valid_const_index.
2209 <ARRAY_RANGE_REF>: New case.
2210 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2211 is_valid_const_index.
2212 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2213 (scan_dump): Dump info for groups too.
2214 (decide_instantiation_1): Likewise.
2215 (decide_block_copy): Assert that the element is not a group.
2216 Propagate decision to groups.
2217 (generate_one_element_ref): Handle RANGE_EXPR.
2218 (mark_no_warning): Iterate over actual childs.
2219 (generate_copy_inout): Likewise.
2220 (generate_element_copy): Likewise.
2221 (generate_element_zero): Likewise.
2222 (generate_element_init_1): Likewise.
2223 (dump_sra_elt_name): Handle RANGE_EXPR.
2225 2006-07-03 Roger Sayle <roger@eyesopen.com>
2227 PR tree-optimization/26251
2228 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2229 (thread_block): When optimizing for size refuse to thread jumps
2230 that would require duplication of blocks other than redirection
2233 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2235 * configure.ac: Fix thinko in previous check-in.
2236 * configure: Regenerate.
2238 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2241 * configure.ac (for lang...): Simplify nesting of conditionals.
2242 Test subdir_requires for non-enabled languages. Move processing
2243 of lang_opt_files and lang_tree_fiels below that test.
2244 * configure: Regenerate.
2245 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2247 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2249 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2251 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2253 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2256 2006-06-29 Jason Merrill <jason@redhat.com>
2263 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2264 * c-common.c (c_determine_visibility): Handle it here.
2265 * c-decl.c (finish_decl): Call c_determine_visibility for
2267 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2269 * varasm.c (default_assemble_visibility): Likewise.
2270 * c-common.c (handle_visibility_attribute): Complain about trying
2271 to give visibility to an already defined class, or trying to change
2272 declared visibility. Always attach the attribute.
2277 * attribs.c (decl_attributes): Ignore type-in-place attributes
2278 once the type has been defined.
2280 2006-06-29 Roger Sayle <roger@eyesopen.com>
2283 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2284 to indicate the cpplib has issued an error message for us.
2286 2006-06-29 Asher Langton <langton2@llnl.gov>
2289 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2290 insert a label at the end of an function under Mach-O.
2292 2006-06-29 Eric Christopher <echristo@apple.com>
2293 Evan Cheng <evan.cheng@apple.com>
2295 * predicates.md (vector_all_ones_operand): New.
2296 (nonimmediate_or_sse_const_operand): Ditto.
2297 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2298 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2299 (standard_sse_mode_p): Ditto.
2300 (standard_sse_constant_p): Add case for -1 vector.
2301 (ix86_expand_vector_move): Try to use.
2302 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2303 Call standard_sse_constant_opcode.
2304 (*movv4sf_internal): Ditto.
2305 (*movv2df_internal): Ditto.
2307 2006-06-29 Roger Sayle <roger@eyesopen.com>
2309 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2310 of XEXP to extract the operands of a MATCH_CODE rtx.
2312 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2314 * tree.c (tree_size): Do not waste tail padding in
2315 struct tree_string and make the size be the same as
2316 build_string will generate.
2318 2006-06-28 Jason Merrill <jason@redhat.com>
2321 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2322 may_aliases already in the tag's annotations to the bitmap.
2324 2006-06-28 Roger Sayle <roger@eyesopen.com>
2326 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2328 2006-06-28 Roger Sayle <roger@eyesopen.com>
2330 * genpreds.c (generate_switch_p): New function.
2331 (add_mode_tests): Push the new mode test down inside an AND expr
2332 if this allows the switch-suitable MATCH_CODE to be near the root.
2333 (write_match_code_switch): New function to write a MATCH_CODE as
2335 (write_predicate_stmts): New function to write a predicate RTX
2336 expression as a sequence of statements.
2337 (write_one_predicate_function): Use write_predicate_stmts.
2338 (write_tm_constrs_h): Likewise.
2340 2006-06-26 Fred Fish <fnf@specifix.com>
2342 * config/mips/t-sb1: New file.
2343 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2346 2006-06-26 DJ Delorie <dj@redhat.com>
2348 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2350 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2351 Jayant Sonar <jayants@kpitcummins.com>
2352 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2354 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2355 (subsi3, subsi3_1, subsi3_2): New.
2356 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2357 * config/m32c/mov.md (SI mov peephole): New.
2358 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2359 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2361 2006-06-26 Olivier Hainque <hainque@adacore.com>
2363 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2364 a CALL_EXPR target function declaration.
2366 2006-06-26 Richard Guenther <rguenther@suse.de>
2368 * tree.c (build_string): Do not waste tail padding in
2371 2006-06-26 Richard Guenther <rguenther@suse.de>
2373 * ggc-page.c (init_ggc): Add missing element to size_lookup
2377 2006-06-23 Richard Guenther <rguenther@suse.de>
2379 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2380 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2381 alignment requests instead. Add verification code.
2382 Add struct tree_function_decl and struct tree_binfo size to
2383 extra_order_size_table. Add missing element to size_lookup
2386 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2389 * fold-const.c (const_binop): Be prepared for self returning zero.
2390 Simplify code handling complex values.
2392 2006-06-24 Olivier Hainque <hainque@adacore.com>
2394 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2395 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2398 2006-06-24 Olivier Hainque <hainque@adacore.com>
2400 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2401 ARRAY_REF, so have the callback called for the low bound expression.
2403 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2405 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2406 * c-typeck.c (c_common_type): Disallow operations on decimal float
2407 types and other float types.
2408 * convert.c (convert_to_real): Don't ignore conversions involving
2409 decimal float types.
2411 2006-06-23 Olivier Hainque <hainque@adacore.com>
2413 * tree.c (max_int_size_in_bytes): New function, inspired from
2414 code in function.c:assign_temp.
2415 * tree.h (max_int_size_in_bytes): Declare.
2416 * function.c (assign_temp): Use it.
2417 * gimplify.c (create_tmp_var): Relax the assertions on the type
2418 properties, not mandating constant size any more.
2419 (force_constant_size): New static function.
2420 (gimple_add_tmp_var): Use it, forcing variable size to a
2421 constant upper bound if it is not constant on entry.
2423 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2426 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2427 for initialization and setting of one_only flag to ...
2428 (i386_pe_encode_section_info): ...here.
2429 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2430 Recheck that the symbol has not been defined.
2432 2006-06-23 Richard Guenther <rguenther@suse.de>
2434 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2435 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2436 alignment requests instead. Add verification code.
2437 Add struct tree_function_decl and struct tree_binfo size to
2438 extra_order_size_table. Add missing element to size_lookup
2441 2006-06-22 Roger Sayle <roger@eyesopen.com>
2442 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2445 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2446 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2448 2006-06-23 Ben Elliston <bje@au.ibm.com>
2450 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2451 negate dn -- manipulate it directly.
2453 2006-06-22 Roger Sayle <roger@eyesopen.com>
2454 Steven Bosscher <stevenb.gcc@gmail.com>
2457 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2458 generated by gen_move_insn to add REG_LABEL notes if necessary.
2460 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2462 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2463 (leaf_entry): Remove use of MIN_ESA.
2465 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2467 PR rtl-optimization/28121
2468 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2471 2006-06-21 DJ Delorie <dj@redhat.com>
2473 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2475 (mulhisi3_r): Likewise.
2477 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2480 * coverage.c (coverage_counter_alloc): Leave the index type
2482 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2485 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2487 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2488 section from the "Options for Code Generation Conventions".
2490 2006-06-21 Richard Henderson <rth@redhat.com>
2494 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2496 (global_symbolic_operand): Allow weak symbols, even if local_p.
2498 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2500 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2501 (find_interesting_uses_address): Punt if above function returns true.
2503 2006-06-21 Richard Guenther <rguenther@suse.de>
2505 * configure: Regenerated.
2507 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2509 * config/mips/mips.c (function_arg): Where one part of a
2510 complex argument is in registers and the other part in the stack,
2511 return a REG not a PARALLEL.
2513 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2515 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2516 when cross-compiling. Do not substitute libstdcxx_incdir.
2517 * configure: Regenerated.
2519 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2521 * varasm.c (mergeable_string_section): Check for embedded NULs and
2522 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2523 rather than TREE_STRING_LENGTH bytes.
2525 2006-06-21 Richard Guenther <rguenther@suse.de>
2527 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2528 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2531 2006-06-21 Richrad Guenther <rguenther@suse.de>
2533 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2534 Limit iteration over the dominators.
2536 2006-06-20 Roger Sayle <roger@eyesopen.com>
2538 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2539 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2541 2006-06-20 Richard Guenther <rguenther@suse.de>
2542 Michael Matz <matz@suse.de>
2544 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2546 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2547 * et-forest.h (et_free_pools): Prototype new function.
2548 * et-forest.c (et_free_tree_force): Free parent occurrence.
2549 (et_free_pools): New function.
2550 * dominance.c (free_dominance_info): Free et-forest alloc
2553 2006-06-20 Roger Sayle <roger@eyesopen.com>
2555 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2556 integer modes, attempt to directly construct an integer constant.
2558 * fold-const.c (native_encode_vector): Determine the size of each
2559 element from the vector type instead of the first vector element.
2561 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2562 if all of its elements/components are constant.
2563 (build_constructor_from_list): Likewise.
2565 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2567 PR tree-optimization/27331
2568 * tree-data-ref.c (free_data_ref): New function.
2569 (create_data_ref): Fail if the data reference has unknown access
2571 (free_data_refs): Use free_data_ref.
2573 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2576 * tree-inline.c (setup_one_parameter): Strip useless
2577 type conversion before adding it to the IR.
2578 (declare_return_variable): Likewise.
2580 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2583 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2585 2006-06-19 Mike Stump <mrs@apple.com>
2587 * tree.c (variably_modified_type_p): VM arguments don't make the
2590 2006-06-19 Richard Guenther <rguenther@suse.de>
2592 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2593 type conversions after folding.
2595 2006-06-19 Richard Guenther <rguenther@suse.de>
2597 * ggc-page.c (extra_order_size_tab): Add entries with
2598 size of struct function and basic_block.
2599 (size_lookup): Extend to cover sizes up to 511.
2600 (ggc_alloc_stat): Adjust user.
2601 (ggc_pch_count_object): Likewise.
2602 (ggc_pch_alloc_object): Likewise.
2603 (ggc_pch_write_object): Likewise.
2605 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2607 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2608 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2611 2006-06-19 Denis Chertykov <denisc@overta.ru>
2613 * config/avr/libgcc.S : Correct my wrong previous commit.
2615 2006-06-19 Roger Sayle <roger@eyesopen.com>
2618 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2619 have stripped a SUBREG from the shift count, so we may need to
2620 convert_to_mode back to the type's mode before calling make_tree.
2621 Use new_amount instead of amount to avoid expanding a tree twice.
2623 2006-06-19 Richard Guenther <rguenther@suse.de>
2626 * fold-const.c (operand_equal_p): Check if the argument types
2627 have the same precision before stripping NOPs.
2629 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2631 Fix PR tree-optimization/27341
2632 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2634 * tree-complex.c (pass_lower_complex): Update SMT usage.
2636 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2638 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2639 Add a new alternative to the constraint strings. Add move of
2640 operand 1 to 3 to the splitter definition.
2641 ("doloop_si_long"): Second contraint alternative removed.
2643 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2645 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2646 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2648 (AVR_HAVE_MOVW) Define.
2649 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2650 (ASM_SPEC): Add avr25.
2651 (LINK_SPEC): Add avr25.
2652 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2653 (base_arch_s): Add new member 'have_movw_lpmx'.
2654 (avr_arch_types): Init 'have_movw_lpmx'.
2655 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2656 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2657 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2658 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2659 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2661 (avr_file_start): Do not output '.arh' derective.
2662 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2663 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2664 * config/avr/avr.md (mcu_enhanced): Delete.
2665 (mcu_have_movw): Define.
2666 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2667 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2668 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2669 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2670 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2671 attiny861 and at86rf401 devices.
2673 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2675 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2678 2006-06-17 Karl Berry <karl@gnu.org>
2680 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2681 doc/gccint.texi, doc/install.texi (@dircategory): Use
2682 "Software development" instead of "Programming", following
2683 the Free Software Directory.
2685 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2687 * config/i386/i386.c (legitimate_tls_address)
2688 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2689 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2690 (*tls_dynamic_gnu2_combine_64): Likewise.
2692 2006-06-16 Richard Guenther <rguenther@suse.de>
2695 * fold-const.c (negate_expr_p): Do not introduce undefined
2696 overflow in negating INTEGER_CSTs.
2697 (fold_negate_expr): Rename from negate_expr. Revert last
2698 change for folding BIT_NOT_EXPR. Change semantics to
2699 return NULL_TREE for non-simplified negations. Do not
2700 strip type conversions and unify type handling.
2701 (negate_expr): New function, wrap around fold_negate_expr
2702 but ensure building a tree always. Strip type conversions
2703 here, fold to result type.
2704 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2706 2006-06-16 Roger Sayle <roger@eyesopen.com>
2709 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2710 that (would) return their results in stack registers.
2712 2006-06-16 Michael Matz <matz@suse.de>
2713 Richard Guenther <rguenther@suse.de>
2715 * fold-const.c (fold_truthop): Only return new tree node if
2716 we canonicalized something.
2718 2006-06-16 Richard Guenther <rguenther@suse.de>
2720 * function.h (enum function_frequency): Move declaration
2721 out of struct function.
2722 (struct function): Move bool fields and the enum to the bitfield
2723 section. Reorder elements to avoid padding. Remove unused
2724 fields left over from the RTL inliner removal.
2725 * function.c (free_after_compilation): Do not zero removed fields.
2726 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2727 (ipa-type-escape.o): Likewise.
2729 2006-06-16 Richard Guenther <rguenther@suse.de>
2731 * cgraph.h (struct cgraph_local_info): Turn bool elements
2733 (struct cgraph_node): Likewise.
2734 (struct cgraph_varpool_node): Likewise.
2736 2006-06-15 Richard Guenther <rguenther@suse.de>
2738 * fold-const.c (fold_truth_not_expr): Rename from
2739 invert_truthvalue. Give it fold_* semantics to avoid
2741 (invert_truthvalue): New function. Wrapper around
2742 fold_truth_not_expr.
2743 (optimize_minmax_comparison): Avoid creating garbage.
2744 (fold_unary): Use fold_truth_not_expr for folding
2746 (fold_ternary): Replace uses of invert_truthvalue with
2747 fold_truth_not_expr where applicable.
2748 * tree.h (fold_truth_not_expr): Prototype.
2750 2006-06-16 Richard Guenther <rguenther@suse.de>
2752 PR tree-optimization/27781
2753 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2754 * ipa-pure-const.c (target.h): Include.
2755 (analyze_function): Do not analyze functions that do not
2758 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2761 * tree-dfa.c (referenced_vars_dup_list): Remove.
2762 (find_referenced_vars): Remove assert.
2763 (referenced_var_check_and_insert): Replace dup list with assert.
2764 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2765 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2767 2006-06-15 Richard Guenther <rguenther@suse.de>
2769 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2770 extra unused identifiers if not dumping.
2771 (create_variable_info_for): Likewise.
2773 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2775 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2776 (derive_constant_upper_bound): Derive more precise upper bound in
2777 common cases. Return type changed to double_int.
2778 (record_estimate): Reflect the changed return type of
2779 derive_constant_upper_bound.
2780 * double-int.c (double_int_zext, double_int_sext): Fix.
2782 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2784 * configure.ac (CFLAGS): Get them from the toplevel or from the
2785 configure invocation.
2786 * configure: Regenerate.
2787 * Makefile.in (CFLAGS): Substitute value provided by configure.
2789 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2792 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2793 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2794 rather than calling add_stmt on it.
2795 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2797 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2800 * reload1.c (reload): Remove registers returned by update_eliminables
2801 from used_spill_regs.
2803 2006-06-13 DJ Delorie <dj@redhat.com>
2805 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2807 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2809 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2810 html__strip_dir, html__mkdir_p. Enhance install-html target.
2811 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2812 * configure: Regenerate.
2814 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2816 * fold-const.c (fold_cond_expr_with_comparison): Check for
2817 Objective-C++ as language in deciding COND_EXPR transformation.
2819 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2822 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2823 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2824 * config/sh/lib1funcs.h (SL, SL1): Define.
2825 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2826 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2827 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2828 (OBJS_Os_4_200): New variable.
2829 ($(T)libgcc-Os-4-200.a): Use it.
2830 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2831 when dividing 1 and/or by 0.
2833 2006-06-13 Roger Sayle <roger@eyesopen.com>
2835 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2836 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2837 * configure: Regenerate.
2839 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2841 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2842 for real instruction.
2844 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2847 * haifa-sched.c (check_cfg): Handle special case.
2849 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2852 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2853 Add debug_info parameter. Chain the vars to the BLOCK instead
2854 of the BIND_EXPR if debug info are requested for them.
2855 (pop_gimplify_context): Adjust for above change.
2856 (gimple_add_tmp_var): Likewise.
2857 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2859 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2860 (convert_local_reference): Likewise.
2861 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2862 (finalize_nesting_tree_1): Request that debug info be emitted
2863 for debug_var_chain.
2865 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2867 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2868 for PR target/27863.
2870 2006-06-13 Richard Guenther <rguenther@suse.de>
2873 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2875 2006-06-13 Richard Guenther <rguenther@suse.de>
2877 PR tree-optimization/27830
2878 * tree-inline.c (copy_body_r): For copying the operand
2879 of an ADDR_EXPR make sure to fold &* afterwards.
2881 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2883 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2884 lvalues in the fb_none case with side-effects.
2886 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2888 * tree-flow.h: Remove the prototype for
2889 compute_phi_arg_on_exit.
2890 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2891 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2894 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2896 * builtins.c (expand_builtin_return_addr): Only use
2897 frame_pointer_rtx when count == 0 and we are expanding
2898 __builtin_return_address.
2900 2006-06-12 Fred Fish <fnf@specifix.com>
2902 * config/mips/mips.c (mips_file_start): Create special section
2903 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2905 2006-06-11 Eric Christopher <echristo@apple.com>
2908 * stor-layout.c (place_field): Remove check for
2909 remaining_in_alignment when aligning at the end of a run.
2911 2006-06-11 Eric Christopher <echristo@apple.com>
2914 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2917 2006-06-11 Roger Sayle <roger@eyesopen.com>
2920 Revert incorrect fix for PR target/27158
2921 2006-05-08 Roger Sayle <roger@eyesopen.com>
2922 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2923 of a reg_equiv_constant if the result is a legitimate constant.
2925 2006-06-11 Roger Sayle <roger@eyesopen.com>
2928 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2929 extract a CONST_VECTOR element and interpret it as an integer.
2930 (vspltis_constant): Use const_vector_elt_as_int instead of the
2931 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2932 * config/rs6000/predicates.md (easy_vector_const): Consider
2933 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2935 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2938 * stor-layout.c (update_alignment_for_field): Don't add extra
2939 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2942 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2944 * config/mips/t-rtems: Add EL/EB multilib variants.
2946 2006-06-09 Mike Stump <mrs@apple.com>
2948 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2950 2006-06-09 David Daney <ddaney@avtrex.com>
2952 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2954 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2956 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2958 2006-06-09 Richard Guenther <rguenther@suse.de>
2960 PR tree-optimization/26998
2961 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2962 of signed types, only TYPE_MIN_VALUE is special, but for both,
2963 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2964 in this case, as is -fwrapv.
2966 2006-06-08 Mike Stump <mrs@apple.com>
2969 * config/darwin.c (darwin_asm_output_anchor): Disable
2970 -fsection-anchors on darwin for now.
2971 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2972 * rs6000/rs6000.c (optimization_options): Likewise.
2974 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2977 * config/i386/i386.c (classify_argument): Skip fields with invalid
2980 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2982 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2983 (cse_insn): Likewise for the stack_pointer_rtx.
2985 2006-06-08 Roger Sayle <roger@eyesopen.com>
2987 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2988 conditions from floating point comparisons.
2990 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2993 * expmed.c (struct alg_hash_entry): Fix type of field T
2994 to match synth_mult argument.
2995 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2997 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3000 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3003 2006-06-08 Richard Guenther <rguenther@suse.de>
3006 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3007 only, if overflow is defined and not trapping.
3008 (negate_expr): Likewise.
3010 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3012 PR tree-optimization/27872
3013 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3014 flag on the new exit edge of the unrolled loop.
3016 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3018 PR rtl-optimization/26449
3019 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3021 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3024 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3025 referenced_variables with matching DECL_UID's.
3026 (find_referenced_vars): Make sure duplicate list is empty to start.
3027 (referenced_var_p): Remove.
3028 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3029 Check if var is in the list, and add if needed. Update the duplicate
3030 list if a different var is in the list with the same DECL_UID.
3031 (add_referenced_var): Call routine to check and insert.
3032 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3033 * tree-flow.h (referenced_vars_dup_list): External declaration.
3035 2006-06-07 Fred Fish <fnf@specifix.com>
3037 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3040 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3043 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3044 the imaginary and real parts of a clobbered register.
3045 Emit insn to set the imaginary part.
3047 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3049 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3050 in lieu of unwind-dw2-fde.c.
3052 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3054 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3056 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3059 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3060 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3061 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3062 V4SImode temporaries and operations instead.
3064 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3066 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3069 2006-06-06 Mike Stump <mrs@apple.com>
3071 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3072 installing during build.
3074 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3076 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3078 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3079 * config/ia64/ia64.c (params.h): New header.
3080 (ia64_optimization_options): New function to adjust parameters.
3081 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3082 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3083 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3085 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3087 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3089 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3092 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3094 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3095 Victor Kaplansky <victork@il.ibm.com>
3097 PR tree-optimization/26360
3098 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3101 2006-06-04 Roger Sayle <roger@eyesopen.com>
3102 Andrew Pinski <pinskia@physics.uc.edu>
3105 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3106 for LABEL_DECL before calling DECL_WEAK.
3109 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3110 LABEL_DECL and PARM_DECL.
3112 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3116 * c-decl.c (grokdeclarator): Disallow variably modified types at
3117 file scope. Avoid marking shared array type of constant size as
3120 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3123 * c-common.c (fold_offsetof_1): Handle static members.
3125 2006-06-04 Eric Christopher <echristo@apple.com>
3127 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3128 (debug_rli): Output value for remaining_in_alignment.
3129 (update_alignment_for_field): Unconditionalize
3130 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3131 extra alignment code.
3132 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3133 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3134 * tree.h (record_layout_info_s): Remove prev_packed.
3135 * doc/extend.texi (ms_struct): Add documentation of format.
3137 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3139 * tree.h: Declare folding_initializer.
3140 * builtins.c (fold_builtin_constant_p): Give definite answer
3141 if folding inside an initializer.
3142 * fold-const.c: Define folding_initializer.
3143 (START_FOLD_INIT): Save and then set folding_initializer.
3144 (END_FOLD_INIT): Restore folding_initializer.
3146 2006-06-04 Richard Guenther <rguenther@suse.de>
3148 PR tree-optimization/27039
3149 * fold-const.c (fold_comparison): Handle pointer comparison
3150 again for all comparison codes. Compare offsets in signed
3152 (fold_binary): Move code from here.
3154 2006-06-03 Roger Sayle <roger@eyesopen.com>
3157 * config/i386/i386.c (construct_container): Split static issued_error
3158 flag into issued_sse_arg_error, issued_sse_ret_error and
3159 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3160 requires the use of x87 registers and the user explicitly
3161 specified the -mno-80387 command line option.
3163 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3165 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3166 HAVE_DECL_SIGALTSTACK.
3168 (segv_handler): Use MC_FLD.
3169 * configure.ac: Check for a sigaltstack declaration.
3170 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3171 * configure: Regenerate.
3172 * config.in: Regenerate.
3174 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3177 * Makefile.in (stmp-fixinc): Fix typo.
3179 2006-06-02 Roger Sayle <roger@eyesopen.com>
3181 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3182 are type correct. Clean-up.
3183 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3184 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3186 2006-06-01 DJ Delorie <dj@redhat.com>
3188 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3189 shift, as we've disabled the "switch" insn that needs it.
3191 2006-06-01 Per Bothner <bothner@bothner.com>
3193 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3194 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3195 * c-ppoutput.c (cb_define): Don't increment line 0.
3197 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3199 * doc/invoke.texi: Add cpu_type power6.
3200 * config.gcc: Add cpu_type power6.
3201 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3202 to power5+ with Altivec.
3203 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3204 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3206 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3208 * config/avr/avr.h (SET_ASM_OP): Define.
3210 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3212 * config/bfin/bfin.c: Fix comment typos.
3214 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3217 * doc/install.texi: Document --enable-bootstrap and
3218 --disable-bootstrap.
3220 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3222 * doc/install.texi: Document that InfoZIP can replace jar.
3224 2006-05-31 Roger Sayle <roger@eyesopen.com>
3226 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3227 isn't available, directly generate the simpler x87 patterns without
3228 the (use (const_int 0)).
3229 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3230 implementation isn't available.
3231 (*negdf2_1): Likewise.
3232 (*negxf2_1): XF mode negation is always done using the x87.
3233 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3235 2006-05-31 Roger Sayle <roger@eyesopen.com>
3237 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3238 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3240 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3242 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3244 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3245 * config/bfin/bfin.c (basic-block.h): Include.
3246 (struct machine_function): New.
3247 (bfin_init_machine_status): New.
3248 (override_options): Initialize init_machine_status.
3249 (bfin_hardware_loop): New.
3250 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3251 (DEF_VEC_P (loop_info)): New.
3252 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3253 (struct loop_info): New.
3254 (loop_info): New typedef.
3255 (struct loop_work): New.
3256 (loop_work): New typedef.
3257 (DEF_VEC_O (loop_work)): New.
3258 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3259 (bfin_dump_loops): New.
3260 (bfin_bb_in_loop): New.
3261 (bfin_scan_loop): New.
3262 (bfin_optimize_loop): New.
3263 (bfin_reorg_loops): New.
3264 (bfin_reorg): Use bfin_reorg_loops.
3265 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3267 (I_REGNO_P): Simplify.
3268 (DP_REGNO_P, DPREG_P): New macros.
3269 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3270 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3271 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3272 Add LT_REGS, LC_REGS, LB_REGS.
3273 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3275 (REGNO_REG_CLASS): Deal with loop registers.
3276 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3278 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3279 New constants for loop registers.
3280 (UNSPEC_LSETUP_END): New.
3281 (seq_insns): New define_attr. Set it for appropriate insns.
3282 (movsi_insn): Add alternatives for move from/to
3283 loop count registers.
3284 (doloop_end): New define_expand.
3285 (loop_end): New define_insn.
3286 (define_split for bad doloop_end): New.
3287 (lsetup_with_autoinit): New define_insn.
3288 (lsetup_without_autoinit): New define_insn.
3289 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3290 * config/bfin/predicates.md (lc_register_operand): New.
3291 (lt_register_operand): New.
3292 (lb_register_operand): New.
3293 (nondp_register_operand): New.
3294 (nondp_reg_or_memory_operand): New.
3295 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3297 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3299 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3300 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3302 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3304 * Makefile.in (CATALOGS): Add po/ prefix.
3305 * configure: Regenerated.
3307 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3310 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3311 a shift operand before calling shift_op. Avoid redundant call of
3314 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3315 DJ Delorie <dj@redhat.com>
3317 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3318 we're inserting is a singlt-bit constant.
3320 2006-05-30 Roger Sayle <roger@eyesopen.com>
3322 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3323 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3325 2006-05-30 Roger Sayle <roger@eyesopen.com>
3327 PR tree-optimization/23452
3328 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3329 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3330 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3331 complex values and with -ffast-math for FP complex values.
3333 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3335 * c-common.h: Remove the prototype for yyparse.
3336 * rtl.h: Remove the prototype for init_loop.
3338 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3340 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3343 2006-05-30 Roger Sayle <roger@eyesopen.com>
3345 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3347 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3348 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3350 2006-05-30 Dirk Mueller <dmueller@suse.de>
3353 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3354 for CONSTANT_CLASS_P expresisons.
3356 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3359 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3361 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3363 PR tree-optimization/27779
3364 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3365 initial_condition instead of CHREC_LEFT.
3367 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3369 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3370 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3371 Make prototypes ISO C90.
3373 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3374 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3376 * see.c (see_analyze_one_def): Correct check.
3377 (see_get_extension_data): Check if extension is parallel.
3378 (see_get_extension_reg): Likewise.
3380 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3383 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3384 into register for (code == GTU).
3386 2006-05-29 Roger Sayle <roger@eyesopen.com>
3388 PR tree-optimization/24964
3389 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3390 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3391 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3392 abs(x)*abs(x) as x*x for scalar floating point modes.
3394 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3397 * lambda-code.c (perfect_nestify): Don't copy statements
3398 in the inner loop: move them to the inner loop header.
3400 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3403 * c-tree.texi: Document OpenMP directives and clauses.
3405 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3407 * varasm.c (globalize_decl): Fix indentation.
3409 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3412 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3413 pass_fre, pass_store_ccp, pass_copy_prop,
3414 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3415 pass_return_slot, pass_object_size, pass_lim,
3416 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3417 pass_loop_prefetch and pass_stdarg.
3419 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3421 * config/bfin/bfin.opt (mfdpic): New option.
3422 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3423 (EXTRA_MULTILIB_PARTS): Likewise.
3424 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3425 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3427 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3428 (CRT_CALL_STATIC_FUNCTION): New.
3429 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3431 (CRT_CALL_STATIC_FUNCTION): New.
3432 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3434 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3435 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3436 (initialize_trampoline): Changed to handle FD-PIC code generation.
3437 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3438 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3439 (override_options): Disallow -mid-shared-library -mfdpic combination.
3440 Can't do unaligned ops if FD-PIC.
3441 Turn off flag_pic if trying to generate non-id-shared-library
3442 non-fdpic code, since it's not supported.
3443 (bfin_assemble_integer): New function.
3444 (TARGET_ASM_INTEGER): Define.
3445 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3447 * config/bfin/crtn.s: Restore them.
3448 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3450 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3451 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3452 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3453 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3454 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3456 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3457 FDPIC_REGS and FDPIC_FPTR_REGS.
3458 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3459 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3460 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3461 (load_funcdescsi): New pattern.
3462 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3463 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3464 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3466 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3468 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3471 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3473 * tree-flow.h: Remove the prototype for add_type_alias.
3474 * tree-ssa-alias.c (add_type_alias): Remove.
3476 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3478 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3479 config/fr30/fr30.md, config/i386/i386-interix.h,
3480 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3481 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3482 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3483 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3484 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3485 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3486 Follow spelling conventions.
3487 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3488 Follow spelling conventions.
3490 2006-05-27 Richard Guenther <rguenther@suse.de>
3493 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3494 to produce a constant of value 1 of generic type.
3496 2006-05-27 Dirk Mueller <dmueller@suse.de>
3498 * cgraphunit.c (decide_is_function_needed): Fix wrong
3501 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3503 PR rtl-optimization/27661
3504 * reload.c (find_reloads): When reloading a VOIDmode constant
3505 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3506 use Pmode as mode of the reload register.
3508 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3510 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3511 is enabled at -O and above.
3513 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3516 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3519 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3522 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3523 for anonymous variables explicitly declared by front ends.
3525 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3527 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3528 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3529 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3530 ref-all pointers, run a finalization pass for them.
3531 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3532 (finalize_ref_all_pointers): New function.
3533 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3534 regular pointer type to a ref-all pointer type.
3535 (get_tmt_for): Return the special memory tag for ref-all pointers.
3537 2006-05-25 Richard Guenther <rguenther@suse.de>
3540 * fold-const.c (fold_binary): Do not look at the stripped
3541 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3543 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3545 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3546 for LT and GT if the computed range is effectively empty.
3548 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3551 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3552 mips_quad_format formats instead of ieee_single_format,
3553 ieee_double_format and ieee_quad_format formats, respectively.
3555 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3557 PR tree-optimization/27639
3558 PR tree-optimization/26719
3559 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3560 call to scev_probably_wraps_p.
3561 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3562 used_in_pointer_arithmetic_p, convert_step): Removed.
3563 (nowrap_type_p): New function.
3564 (scev_probably_wraps_p): Rewritten.
3565 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3566 chrec_convert if chrec_convert_aggressive might have been used.
3567 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3568 scev_direction): New functions.
3569 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3570 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3571 instead of convert_step.
3572 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3573 (convert_step): Declaration removed.
3574 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3576 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3578 * df-core.c: Added to header comments.
3579 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3580 df_ur_bb_info, df_urec_bb_info): Added comments.
3581 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3582 urec, ri problems): Fixed header comments.
3583 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3584 code from df_rd_transfer_function.
3586 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3588 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3589 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3590 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3592 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3594 * expr.c (undefined_operand_subword_p): New.
3595 (emit_move_multi_word): Do not generate move from undefined bits
3596 of a paradoxical subreg.
3598 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3600 PR rtl-optimization/27736
3601 * combine.c (replaced_rhs_value): New variable.
3602 (combine_instructions): Set it.
3603 (distribute_notes): When distributing a note in replaced_rhs_insn,
3604 check whether the value was used in replaced_rhs_value.
3606 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3609 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3610 add_referenced_var instead of add_referenced_tmp_var.
3611 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3612 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3614 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3615 tree_optimize_tail_calls_1): Use add_referenced_var.
3616 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3617 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3618 Use add_referenced_var.
3619 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3620 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3621 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3622 Use add_referenced_var.
3623 * tree-dfa.c (struct walk_state): Remove.
3624 (find_referenced_vars): Remove walk state and vars_found hash table.
3625 (make_rename_temp): Use add_referenced_var.
3626 (find_vars_r): Pass less parameters to add_referenced_var.
3627 (referenced_var_p): New. Is var in referenced_var hash table.
3628 (referenced_var_insert): Assert var isn't already in hash table.
3629 (add_referenced_var): Don't need walk_state parameter. Add var if it
3630 isn't already in the hash table.
3631 (add_referenced_tmp_var): Remove.
3632 (find_new_referenced_vars_1): Use add_referenced_var.
3633 * tree-ssa-pre.c (create_expression_by_pieces,
3634 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3635 Use add_referenced_var.
3636 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3637 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3638 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3640 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3641 vect_create_data_ref_ptr, vect_create_destination_var,
3642 vect_init_vector, vect_build_loop_niters,
3643 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3644 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3645 Use add_referenced_var.
3646 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3647 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3648 (add_referenced_var): Add prototype.
3649 * tree-ssa-structalias.c (get_constraint_for,
3650 intra_create_variable_infos): Use add_referenced_var.
3652 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3654 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3655 big-endian paradoxical subregs.
3656 * var-tracking.c (struct micro_operation_def): Document that,
3657 for modify micro operations, insn is the subsequent instruction.
3658 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3659 (var_reg_set, var_mem_set): ... new functions.
3660 (add_stores): Record subsequent insn.
3661 (compute_bb_dataflow): Use new functions for MO_USE.
3662 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3663 notes after the insn, and modify notes before the insn known
3664 to be the subsequent one.
3665 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3667 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3670 * config/i386/i386.c (ix86_expand_builtin): Use
3671 gen_sse3_monitor64 for TARGET_64BIT.
3673 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3675 PR rtl-optimization/26375
3676 PR rtl-optimization/26855
3677 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3679 (df_ru_bb_local_compute): Reversed statements and removed bogus
3680 comment explaining why they should be in wrong order.
3681 (df_ru_dump, df_rd_dump): Enhanced debug info.
3682 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3684 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3685 reaching uses and fixed space problem.
3687 2006-05-23 Jan Hubicka <jh@suse.cz>
3689 * cgraphunit.c (decide_is_function_needed): Also nested functions
3690 and functions declared inline can be optimized out at -O0.
3692 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3694 * doc/install.texi (Configuration): Remove reference to CrossGCC
3698 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3701 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3702 ix86_compare_emitted is non-NULL.
3704 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3707 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3710 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3712 PR rtl-optimization/25514
3713 * combine.c (replaced_rhs_insn): New variable.
3714 (combine_instructions): Set replaced_rhs_insn when trying to replace
3715 a SET_SRC with a REG_EQUAL note.
3716 (distribute_notes): Use replaced_rhs_insn when determining the live
3717 range of a REG_DEAD register.
3719 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3720 Anatoly Sokolov <aesok@post.ru>
3722 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3723 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3724 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3725 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3726 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3727 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3728 at90usb647, at90usb1286 and at90usb1287 devices.
3729 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3730 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3732 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3734 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3736 2006-05-22 Richard Guenther <rguenther@suse.de>
3739 2006-01-31 Richard Guenther <rguenther@suse.de>
3740 Paolo Bonzini <bonzini@gnu.org>
3742 * doc/install.texi (--disable-libgcc-math): Document.
3744 2006-05-22 Richard Guenther <rguenther@suse.de>
3747 2006-01-31 Richard Guenther <rguenther@suse.de>
3749 * doc/invoke.texi (-msselibm): Document.
3750 * target.h (expand_library_builtin): New target hook.
3751 * builtins.c (expand_builtin): Use expand_library_builtin.
3752 (default_expand_library_builtin): New function.
3753 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3754 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3755 (link_gcc_math_spec): Declare.
3756 (static_specs): Add link_gcc_math_spec.
3757 * expr.h (default_expand_library_builtin): Declare.
3758 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3759 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3760 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3761 * config/i386/i386.opt (msselibm): New target option.
3762 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3763 (ix86_init_sse_abi_builtins): New function.
3764 (ix86_expand_library_builtin): Likewise.
3765 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3766 (override_options): Handle error conditions wrt -msselibm.
3767 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3768 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3769 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3772 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3775 * c-common.c (self_promoting_args_p): Skip erroneous args.
3778 * c-decl.c (finish_struct): Skip erroneous fields.
3780 2006-05-22 Nick Clifton <nickc@redhat.com>
3782 * config/cris/cris.opt (march): Remove VarExists attribute.
3783 (max-stackframe=): Likewise.
3785 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3787 * doc/rtl.texi: Fix a typo.
3788 * see.c: Fix comment typos.
3790 * tree-ssa-structalias.h (alias_info): Remove num_references.
3792 2006-05-21 Mike Stump <mrs@apple.com>
3794 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3796 (darwin_pragma_options): Use BAD instead.
3797 (darwin_pragma_unused): Likewise.
3798 (darwin_pragma_ms_struct): Likewise.
3800 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3802 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3804 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3806 PR rtl-optimization/27671
3807 * simplify-rtx.c (simplify_relational_operation_1): Fix
3808 simplifications of (eq/ne (xor x y) y) and
3809 (eq/ne (xor x y) x).
3811 PR tree-optimization/26622.
3812 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3815 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3817 * tree-cfg.c: Prune whitespace.
3818 (debug_tree_cfg): Point to correct header containing the
3821 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3824 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3826 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3829 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3830 or sorry count is non zero.
3832 2006-05-20 Andreas Schwab <schwab@suse.de>
3834 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3836 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3837 Kenneth Zadeck <zadeck@naturalbridge.com>
3839 PR rtl-optimization/26855
3841 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3843 (df_scan_alloc): Added code to properly handle multiword hard
3844 registers and add all_blocks parameter.
3845 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3846 code to properly handle multiword hard registers.
3847 (df_rescan_blocks): Added code to remove deleted blocks from
3849 (df_ref_create_structure, df_ref_record): Added code to properly
3851 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3852 and set DF_REF_PARTIAL.
3853 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3854 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3855 (df_scan_add_problem): Added flags parameter.
3856 (df_ref_create_structure): Changed switching structure.
3857 (df_bb_refs_record): Fixed case where duplicate artificial refs
3858 were created. Changed location of flags.
3859 (df_record_entry_block_defs): Added code to make stack pointer
3860 live in entry block. Refined cases where frame pointer is needed.
3861 Changed location of flags.
3862 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3863 (df_set_state): Removed function.
3864 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3865 df_insn_create_insn_record, df_insn_refs_delete,
3866 df_ref_create_structure): Formatting changes.
3867 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3868 df_delete_basic_block): New function.
3869 (df_init): Changed location of flags.
3870 (df_add_problem): Added flags parameter and the way flags are
3872 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3873 debug_df_chain): Improved debugging output.
3874 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3875 (df_refs_chain_dump): Removed df parameter.
3876 (df_iterative_dataflow): Added consistency check.
3877 (df_prune_to_subcfg): Made public.
3878 (df_analyze_problem): Added blocks_to_init parameter and made
3880 (df_ref_record, df_bb_refs_record, df_mark_reg,
3881 df_record_exit_block_uses): Whitespace changes.
3882 (df_dump): Whitespace changes.
3883 * df.h: Some reordering to remove forward references.
3884 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3885 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3886 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3887 (dataflow.flags): New field.
3888 (df.flag): Deleted field.
3889 (df_alloc_function): Added additional bitmap parameter.
3890 (df_dependent_problem_function): New type.
3891 (df_problem.changeable_flags): New field.
3892 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3893 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3894 (df_mw_hardreg): New struct.
3895 (DF_INSN_UID_MWS): New macro.
3896 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3898 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3899 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3900 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3901 (df_set_state): Removed function.
3902 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3903 * df-problems.c (df_chain_dump): Removed df parameter.
3904 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3905 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3907 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3908 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3909 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3910 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3911 DF_REF_MUST_CLOBBER cases.
3912 (df_ru_bb_local_compute_process_def,
3913 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3914 df_lr_bb_local_compute, df_ur_bb_local_compute,
3915 df_chain_create_bb): Made subreg aware.
3916 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3917 df_lr_bb_local_compute, df_lr_bb_local_compute,
3918 df_chain_create_bb): Cleanup to use proper macros.
3919 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3920 code to fixup bitvectors.
3921 (df_ri_alloc): Cleared lifetime.
3922 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3923 df_create_unused_note): New function.
3924 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3925 REG_DEAD and REG_UNUSED notes as well as register information.
3926 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3927 df_chains_dump): Fixed crash if problem was never run.
3928 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3929 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3930 df_ri_add_problem): Processes flags in uniform manner.
3931 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3932 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3933 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3934 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3935 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3936 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3937 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3938 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3939 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3940 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3941 * see.c (see_initialize_data): Ditto.
3942 * final.c (rest_of_clean_state) Added regstack_completed.
3943 * rtl.h (regstack_completed): Ditto.
3944 * reg-stack.c (regstack_completed): Ditto.
3946 2006-05-19 Mike Stump <mrs@apple.com>
3948 * c-tree.h (default_conversion): Remove.
3949 * c-common.h (default_conversion): Add.
3951 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3953 * tree-vrp.c (valid_value_p): New function.
3954 (adjust_range_with_scev): Fail if the value of bound is not
3957 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3959 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3960 (mips_fallback_frame_state): Use syscall numbers to determine
3961 the appropriate li instruction for the current ABI. Only use
3962 __NR_sigreturn for o32.
3964 2006-05-19 Nicolas Setton <setton@adacore.com>
3966 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3967 * langhooks.c (lhd_dwarf_name): New function.
3968 * langhooks-def.h (lhd_dwarf_name): Declare.
3969 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3970 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3971 * ada/misc.c (gnat_dwarf_name): New function.
3972 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3974 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3976 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3978 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3979 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3980 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3981 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3982 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3983 determine the size of Wtype, etc.
3984 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3985 (swfloatfuncs): New variable.
3986 (dwfloatfuncs): Likewise.
3987 (lib2funcs): Remove floating-point conversion functions from
3988 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3989 the set of conversion routines needed. Allow entries to specify
3990 an object name, filename and word size. Update users accordingly.
3991 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3992 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3996 2006-02-08 Roger Sayle <roger@eyesopen.com>
3999 * config/fixtfdi.c: New libgcc source file.
4000 * config/fixunstfdi.c: New source file.
4001 * config/floatditf.c: New source file.
4002 * config/floatunditf.c: New souce file.
4003 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4004 files above instead of config/mips/_tilib.c.
4005 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4007 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4009 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4010 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4012 2006-05-18 Mike Stump <mrs@apple.com>
4014 Fix up vla, vm and [*] sematics.
4020 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4021 (c_vla_unspec_p): Add.
4022 (c_vla_type_p): Add.
4023 * c-decl.c (struct c_scope): Add had_vla_unspec.
4024 (build_array_declarator): Add support for [*].
4025 (grokdeclarator): Likewise.
4026 (grokparms): Likewise.
4027 (get_parm_info): Likewise.
4028 * c-objc-common.c (c_vla_unspec_p): Likewise.
4029 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4030 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4031 typeof when argument is a variably modified type not inside sizeof or alignof.
4032 (c_parser_direct_declarator_inner): Propagate errors.
4033 (c_parser_sizeof_expression): Add support for [*].
4034 (c_parser_parms_declarator): Initialize had_vla_unspec.
4035 (c_parser_parms_list_declarator): Likewise.
4036 * c-typeck.c (c_vla_type_p): Add.
4037 (composite_type): Add support for vla compositing.
4038 (comptypes_internal): Add support for vla compatibility.
4039 (c_expr_sizeof_expr): Evaluate vla arguments.
4040 * tree.c (variably_modified_type_p): Update comment for [*].
4042 2006-05-18 Michael Matz <matz@suse.de>
4045 * config.host: Make assignments to host_xmake_file cumulative.
4046 * config.host (*-darwin*): Test $host, not $target.
4048 2006-05-12 Stuart Hastings <stuart@apple.com>
4050 * config/i386/i386.opt (-mstackrealign): New flag.
4051 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4052 (ix86_handle_cconv_attribute): Emit error when
4053 force_align_arg_pointer attribute collides with too many regparms.
4054 (ix86_function_regparm): Limit regparms when used with
4055 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4056 Support stack-realigning prologue in non-main functions. Emit
4057 warning for nested functions under -mstackrealign, emit error for
4058 nested functions with force_align_arg_pointer attribute.
4059 * doc/extend.texi (force_align_arg_pointer): Document it.
4060 * doc/invoke.texi (-mstackrealign): Document it.
4062 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4064 PR rtl-optimization/27477
4065 * combine.c (try_combine): Don't split a parallel consisting
4066 of two sets into two individual sets if both sets reference
4069 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4071 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4072 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4074 * doc/options.texi (VarExists): Updated.
4076 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4078 * unwind-dw2.c: Add declarations for uw_update_context and
4080 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4081 detected, advance frame state and context once to skip over stub.
4083 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4087 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4088 Call rewrite_into_loop_closed_ssa only when something changed.
4089 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4090 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4091 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4092 Test for perfect_nest_p here. Fix formating.
4093 (replace_uses_equiv_to_x_with_y): Fix formating.
4094 (stmt_uses_op): Removed.
4095 (can_convert_to_perfect_nest): Removed loopivs parameter.
4096 Complete the test by checking the scalar dependences.
4097 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4100 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4103 From Dan Kegel <dank@kegel.com>:
4104 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4106 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4108 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4109 if the element type is variably modified without recursing.
4111 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4114 * tree-loop-linear.c (try_interchange_loops): Test for
4115 no data dependences.
4117 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4119 PR tree-optimization/27548
4120 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4121 range of ssa names that appear on abnormal edges.
4122 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4123 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4125 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4128 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4130 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4133 * tree.h (OMP_PARALLEL_COMBINED): Define.
4134 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4135 (new_omp_context): Add is_combined_parallel argument.
4136 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4137 new_omp_context caller.
4138 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4139 Adjust gimplify_scan_omp_clauses callers.
4140 (omp_is_private): Issue errors if iteration variable is firstprivate
4141 or reduction in the current context.
4142 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4143 on combined parallel workshare constructs.
4145 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4147 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4148 (gcc-options.o): New rule.
4150 * optc-gen.awk: Protect variables for gcc-options.o with
4151 #ifdef GCC_DRIVER/#endif.
4153 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4155 Fix PR tree-optimization/27373
4156 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4157 (forward_propagate_addr_expr): Update call.
4159 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4161 * doc/options.texi: Move the Negative option.
4163 2006-05-16 Richard Guenther <rguenther@suse.de>
4165 PR tree-optimization/22303
4166 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4168 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4169 ccp_fold did not simplify the statement.
4171 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4174 * Makefile.in (GCC_OBJS): New.
4175 (OBJS-common): Add opts-common.o.
4176 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4177 (cpp$(exeext)): Likewise.
4178 (gcc.o): Also depend on opts.h.
4179 (opts-common.o): New.
4181 * common.opt (gcoff): Add Negative(gdwarf-2).
4182 (gdwarf-2): Add Negative(gstabs).
4183 (gstabs): Add Negative(gstabs+).
4184 (gstabs+): Add Negative(gvms).
4185 (gvms): Add Negative(gxcoff).
4186 (gxcoff): Add Negative(gxcoff+).
4187 (gxcoff+): Add Negative(gcoff).
4188 * config/i386/i386.opt (m32): Add Negative(m64).
4189 (m64): Add Negative(m32).
4191 * doc/options.texi: Document the Negative option.
4193 * gcc.c: Include "opts.h".
4194 (main): Call prune_options after expandargv.
4196 * optc-gen.awk: Generate common declarations for all flag
4197 variables in options.c. Output the neg_index field.
4199 * opts.c (find_opt): Moved to ...
4200 * opts-common.c: Here. New file.
4202 * opts.h (cl_option): Add a neg_index field.
4204 (prune_options): Likewise.
4206 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4209 * omp-low.c (expand_omp_parallel): Don't assert
4210 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4211 instead search for it.
4214 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4217 2006-05-16 Andreas Schwab <schwab@suse.de>
4219 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4222 2006-05-15 Roger Sayle <roger@eyesopen.com>
4225 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4226 integer constants other than zero are only legitimate on TARGET_64BIT.
4227 <CONST_VECTOR> Only zero vectors are legitimate.
4228 (ix86_cannot_force_const_mem): Integral and vector constants can
4229 always be put in the constant pool.
4231 2006-05-16 DJ Delorie <dj@redhat.com>
4233 * crtstuff.c (__dso_handle): Set section from
4234 TARGET_LBIGCC_SDATA_SECTION if defined.
4235 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4236 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4238 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4241 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4244 2006-05-16 Ben Elliston <bje@au.ibm.com>
4246 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4248 2006-05-15 Per Bothner <per@bothner.com>
4250 * tree.c: (last_annotated_node): Use source_locus typedef.
4251 This permits bootstrapping with --enable-mapped-location.
4253 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4255 PR tree-optimization/26830
4256 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4257 (info_for_ssa_name, current_info_for_ssa_name_age,
4258 blocks_to_update): New variables.
4259 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4260 (clear_ssa_name_info, initialize_flags_in_bb,
4261 mark_block_for_update): New functions.
4262 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4263 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4264 prepare_def_site_for): Use mark_block_for_update.
4265 (mark_def_interesting): Assert that the processed block is marked in
4266 blocks_to_update. Do not take blocks argument.
4267 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4269 (rewrite_update_init_block, rewrite_update_stmt): Only process
4270 blocks with statements to rewrite.
4271 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4272 (update_ssa): Initialize and free blocks_to_update. Do not
4273 clear flags on statements. Do not use blocks bitmap.
4274 * tree.h (SSA_NAME_AUX): Removed.
4275 (struct tree_ssa_name): Removed aux field.
4276 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4278 2006-05-15 Richard Guenther <rguenther@suse.de>
4280 PR tree-optimization/27603
4281 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4282 Do computations in original type.
4284 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4286 * see.c: Code style changes such as redundant paranthesis,
4287 redundant intialization of local variables etc.
4288 (see_main): Declared now as static.
4289 * doc/invoke.texi: Update that -fsee is not enabled by
4292 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4294 * omp-low.c (check_omp_nesting_restrictions): New function.
4295 (scan_omp_1): Call it.
4298 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4299 construct, return *VAR.
4301 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4303 PR rtl-optimization/27406
4304 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4307 2006-05-14 Roger Sayle <roger@eyesopen.com>
4309 PR rtl-optimization/27538
4310 * combine.c (expand_compound_operation): Call gen_lowpart
4311 before calling simplify_shift_const.
4313 2006-05-14 Roger Sayle <roger@eyesopen.com>
4315 PR rtl-optimization/22563
4316 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4317 a fixed width bitfield, always force the intermediates into psuedos.
4319 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4322 * mkconfig.sh: Use operator = instead of == for test.
4324 2006-05-13 Nick Clifton <nickc@redhat.com>
4326 * dwarf2out.c (dbx_reg_number): Check return value from
4327 LEAF_REG_REMAP and only use it if it is valid.
4328 (multiple_reg_loc_descriptor): Likewise.
4330 2006-05-13 Richard Guenther <rguenther@suse.de>
4332 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4335 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4337 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4338 information attached to non-INSNs such as NOTEs.
4339 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4341 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4343 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4345 * config/s390/s390.md: Adjust comment describing On constraint.
4347 2006-05-11 Jan Hubicka <jh@suse.cz>
4349 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4350 to be output at -O0.
4352 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4355 * fold-const.c (size_binop): Move sanity check for arguments to
4356 the beginning of the function.
4359 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4362 2006-05-11 Richard Guenther <rguenther@suse.de>
4365 * fold-const.c (fold_unary): Handle intermediate conversion
4366 to a pointer type like intermediate conversion to an integer
4367 type in folding of (T1)(T2)var to var.
4368 Match the code to the comment in the final conversion for
4369 (T1)(T2)var to (T1)var regarding to type precision. Rather
4370 than disallow T1 being of pointer type, assert that both T1
4371 and var are of pointer type or not. Make sure not to fall
4372 over the frontends lazyness wrt array to pointer decay though.
4374 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4376 * arm.c (arm_struct_value_rtx): Delete.
4377 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4378 (arm_init_cumulative_args): Always initialize nregs to zero.
4380 2006-05-10 Richard Guenther <rguenther@suse.de>
4382 PR tree-optimization/27532
4383 * tree-object-size.c (plus_expr_object_size): Fix typo.
4385 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4388 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4389 ashrdi_const, ashrdi3): Use a scratch register.
4391 2006-05-10 Richard Guenther <rguenther@suse.de>
4393 PR tree-optimization/27302
4394 * fold-const.c (operand_equal_p): For two comparisons,
4395 try comparison of one comparison code swapped if that yields
4398 2006-05-10 Ben Elliston <bje@au.ibm.com>
4400 * tree-pretty-print.c (pretty_print_string): No need to handle
4401 '\0' as a special character.
4403 * tree.h: Include "hashtab.h".
4404 (iterative_hash_expr): Use hashval_t in its prototype.
4405 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4407 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4410 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4411 (hppa*64*-*-hpux11*): Ditto.
4412 (hppa[12]*-*-hpux11*): Ditto.
4414 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4417 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4419 2006-05-09 Michael Matz <matz@suse.de>
4421 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4422 host_extra_gcc_objs and host_xmake_file.
4423 (<*-*-linux*>): Don't overwrite host_xmake_file.
4424 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4425 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4426 (host_detect_local_cpu): Declare.
4427 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4428 * config/i386/i386.c (override_options): Handle -mtune=native
4430 * config/i386/x-i386: New file.
4431 * config/i386/driver-i386.c: New file.
4432 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4435 2006-05-09 Dirk Mueller <dmueller@suse.de>
4436 Richard Guenther <rguenther@suse.de>
4439 * fold-const.c (fold_read_from_constant_string): Relax check
4440 for matching types to matching modes.
4442 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4444 PR rtl-optimization/27335
4445 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4448 2006-05-08 Chao-ying Fu <fu@mips.com>
4449 Richard Sandiford <richard@codesourcery.com>
4451 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4452 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4453 * config/mips/mips.md (UNSPEC_SCC): New constant.
4454 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4455 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4456 (mips_emit_compare): Use it.
4457 (mips_expand_vcondv2sf): New function.
4459 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4461 Fix PR tree-optimization/27093
4462 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4463 renaming when they become not-used_alone.
4465 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4467 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4468 relocation and relocation stubs.
4470 2006-05-08 Eric Christopher <echristo@apple.com>
4472 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4475 2006-05-08 Jan Hubicka <jh@suse.cz>
4478 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4479 unused static functions are needed.
4481 2006-05-08 Roger Sayle <roger@eyesopen.com>
4484 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4485 of a reg_equiv_constant if the result is a legitimate constant.
4487 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4490 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4491 standard 80387 constants, raise the cost to prevent
4492 compress_float_constant() to generate load from memory.
4494 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4496 * config/arm/constraints.md (c): Fix a typo.
4498 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4501 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4504 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4506 (_mm_mwait): Likewise.
4508 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4510 (sse3_monitor): Make it 32bit only.
4511 (sse3_monitor64): New. 64bit monitor.
4513 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4516 * config/i386/i386.c (classify_argument): Skip fields with invalid
4519 2006-05-07 Richard Guenther <rguenther@suse.de>
4521 PR tree-optimization/27409
4522 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4523 Do not try to find zero-sized subvars.
4525 2006-05-07 Richard Guenther <rguenther@suse.de>
4527 PR tree-optimization/27136
4528 * tree-ssa-loop-niter.c (get_val_for): Correct function
4529 comment, assert requirements.
4530 (loop_niter_by_eval): Stop processing if the iterated
4531 value did not simplify.
4533 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4535 * opts.c (flag_see): remove its setting at -O3.
4537 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4539 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4540 * arm/constraints.md: New file.
4541 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4542 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4543 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4544 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4545 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4546 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4547 * arm.md: Include constraints.md.
4548 (thumb_movsi_insn): Use satisfies_constraint_J.
4549 (movhi, movqi): Use satisfies_constraint_I.
4551 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4553 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4554 for atmeg a645 device.
4556 2006-05-06 Richard Guenther <rguenther@suse.de>
4558 PR tree-optimization/27151
4559 * tree-vect-transform.c (vectorizable_condition): Punt on
4560 values that have a different type than the condition.
4562 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4565 * c-parser.c (c_parser_cast_expression): Only insert casts into
4566 hash table if pointer.
4567 * function.c (used_types_insert_helper): Rename from
4569 (used_types_insert): Call used_types_insert_helper.
4570 * function.h (used_types_insert): Accept only one argument.
4572 2006-05-05 David Edelsohn <edesohn@gnu.org>
4574 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4575 scratch with output modifier.
4577 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4580 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4581 with output modifier.
4583 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4586 * config/mips/mips.c (mips_symbolic_address_p): Return true
4587 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4588 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4590 2006-05-04 Richard Guenther <rguenther@suse.de>
4592 PR tree-optimization/14287
4593 PR tree-optimization/14844
4594 PR tree-optimization/19792
4595 PR tree-optimization/21608
4596 PR tree-optimization/27090
4597 * tree-ssa-pre.c (try_combine_conversion): New function.
4598 (compute_avail): After constructing the value-handle
4599 expression, use try_combine_conversion to combine NOP_EXPRs
4600 with previous value-handle expressions and use the result if it
4603 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4605 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4607 2006-05-04 Jan Hubicka <jh@suse.cz>
4610 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4612 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4614 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4615 that this only matches CONST_INTs. All users changed to VOIDmode
4618 * config/bfin/bfin.c: Include "optabs.h".
4619 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4621 (enum bfin_builtins): Add a number of fractional and vector builtins.
4622 (bfin_init_builtins): Likewise.
4623 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4624 (safe_vector_operand, bfin_expand_binop_builtin,
4625 bfin_expand_unop_builtin): New functions.
4626 (bfin_expand_builtin): Handle the new builtins.
4627 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4630 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4633 * Makefile.in (OBJS-common): Add see.o.
4634 (see.o): Add dependencies.
4635 * common.opt (fsee): New flag for the see optimization was added.
4636 * opts.c (flag_see): Initialized.
4637 * passes.c (init_optimization_passes, pass_see): New pass.
4638 * rtl.h (see_main): Declaration as extern.
4639 * timevar.def (TV_SEE): New.
4640 * tree-pass.h (pass_see): Declaration as extern.
4641 * invoke.texi (-fsee): Document.
4642 * recog.c (validate_simplify_insn): New function.
4643 * recog.h (validate_simplify_insn): Declaration as extern.
4644 * df-problems.c (df_chain_dump): Check for NULL.
4646 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4647 Daniel Berlin <dberlin@dberlin.org>
4649 * cfgrtl.c (insert_insn_bb_end_new): New function.
4650 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4652 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4654 * df.h (struct web_entry): Moved from web.c.
4655 (union_defs): Declaration as extern.
4656 (unionfind_root): Likewise.
4657 (unionfind_union): Likewise.
4658 * web.c (struct web_entry): Moved to df.h.
4659 (unionfind_root): Remove static declaration.
4660 (unionfind_union): Likewise.
4661 (union_defs): Likewise and generalize to use callback function.
4662 (web_main): Update arguments for union_defs function call.
4664 2006-05-04 Richard Guenther <rguenther@suse.de>
4666 PR tree-optimization/26447
4667 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4668 produce SSA_NAME copies before the store stmt to avoid
4669 breaking exception handling.
4671 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4674 * gimplify.c (omp_is_private): If var is shared in some outer context,
4675 return false instead of true. Stop searching on parallel context
4678 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4681 * coverage.c: Use get_gcov_unsigned_t() instead of
4682 unsigned_type_node all over.
4684 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4686 PR tree-optimization/27381
4687 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4688 maintain the same immediate_use links.
4689 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4690 node rather than segfaulting.
4692 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4695 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4696 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4697 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4699 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4701 Fix PR tree-optimization/26626
4702 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4704 * tree-ssa-operands.c (access_can_touch_variable): Allow
4705 typecasting through union pointers.
4707 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4710 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4711 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4712 to find if var will be a global variable even in the nested context.
4713 (omp_copy_decl): Only check for global variable at the end, it might
4714 be overridden in outer contexts.
4715 (scan_sharing_clauses): For global variables don't create a field.
4716 (lower_rec_input_clauses): Do nothing for global shared variables.
4717 Emit a barrier at the end of ILIST if there were any decls in both
4718 firstprivate and lastprivate clauses.
4719 (lower_send_clauses): Do nothing for global variables except for
4722 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4724 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4725 of the correct signedness is returned.
4727 2006-05-02 Jeff Law <law@redhat.com>
4729 PR tree-optimization/27364
4730 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4731 multiply expressions.
4733 2006-05-02 Tom Tromey <tromey@redhat.com>
4735 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4737 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4740 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4741 -mthumb -fPIC are used.
4743 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4744 Joshua Kinard <kumba@gentoo.org>
4747 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4748 with 64-bit pointers.
4750 2006-05-02 Paul Brook <paul@codesourcery.com>
4752 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4754 (create_fix_barrier): Check that a suitable barrier location is
4756 (arm_reorg): Include ftmp->address in allowable range of addresses.
4758 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4761 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4764 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4767 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4768 around RESULT_DECL for result passed by reference.
4769 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4770 * omp-low.c (use_pointer_for_field): Don't look at
4771 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4772 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4773 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4774 time or var for passing by reference for
4775 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4776 TREE_ADDRESSABLE variables when passing by reference.
4778 * omp-low.c (dump_omp_region): Fix output formatting.
4781 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4782 (expand_omp_parallel): Likewise.
4783 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4786 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4787 on statement list containing also constructors and destructors.
4788 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4791 * except.c (duplicate_eh_regions): Fix clearing of
4792 cfun->eh->region_array entries.
4794 2006-05-01 DJ Delorie <dj@redhat.com>
4796 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4798 (gcc_cv_objdump): Likewise.
4799 * configure: Regenerated.
4801 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4804 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4805 templates for case 3 and 4.
4807 2006-05-01 DJ Delorie <dj@redhat.com>
4809 * vec.c: Include bconfig.h when appropriate.
4810 * Makefile.in (build/vec.o): Adjust dependencies.
4811 * mkconfig.sh: Make sure config.h isn't used for build machine
4814 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4816 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4818 (mark_phi_for_rewrite): New function.
4819 (insert_phi_nodes_for, mark_use_interesting): Call
4820 mark_phi_for_rewrite.
4821 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4822 (update_ssa): Initialize and free phis_to_rewrite.
4824 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4826 PR rtl-optimization/27291
4827 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4828 folded to a constant.
4830 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4832 PR tree-optimization/27283
4833 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4834 not whole # of iteration descriptions.
4835 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4836 uses abnormal ssa name.
4837 (niter_for_single_dom_exit): Ditto.
4838 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4839 return just the number of iterations.
4841 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4843 PR tree-optimization/27144
4844 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4845 (record_estimate): Only record constant upper bound.
4846 (infer_loop_bounds_from_undefined): Call
4847 compute_estimated_nb_iterations just once.
4848 (proved_non_wrapping_p): Renamed to ...
4849 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4850 (convert_step_widening, scev_probably_wraps_p): Call
4851 n_of_executions_at_most instead of proved_non_wrapping_p.
4852 (substitute_in_loop_info): Do not replace values in bounds.
4853 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4856 2006-05-01 Richard Henderson <rth@redhat.com>
4859 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4860 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4863 2006-05-01 Roger Sayle <roger@eyesopen.com>
4865 * c-typeck.c (parser_build_binary_op): Don't call the function
4866 unsigned_conversion_warning to spot operand/result type overflow.
4867 (build_binary_op): Instead, call convert_and_check instead of
4868 convert to report the problem when the operands are promoted.
4869 * c-common.c (unsigned_conversion_warning): Make static.
4870 * c-common.h (unsigned_conversion_warning): Delete prototype.
4872 2006-05-01 Richard Guenther <rguenther@suse.de>
4874 PR tree-optimization/26726
4875 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4877 (find_interesting_uses_address): ... we work around here
4878 by folding INDIRECT_REFs in the substituted base.
4880 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4882 * omp-low.c (dump_omp_region): Add newlines.
4884 2006-04-30 Roger Sayle <roger@eyesopen.com>
4886 * common.opt (Woverflow): New command line option.
4887 * c-common.c (constant_expression_warning): Check warn_overflow.
4888 (overflow_waring): Pass OPT_Woverflow to warning.
4889 (unsigned_conversion_warning): Likewise.
4890 (convert_and_check): Likewise.
4891 * doc/invoke.texi: Document new command line option.
4893 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4895 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4896 TARGET_NO_FP_IN_TOC for section anchors.
4897 (optimization_options): Enable section anchors for all
4898 non-"Objective" languages.
4900 2006-04-28 Eric Christopher <echristo@apple.com>
4902 * config/darwin-c.c (darwin_ms_struct): Move this
4903 (darwin_set_default_type_attributes): and this...
4904 * config/darwin.c: ... here.
4905 * config/darwin.h (darwin_ms_struct): Declare.
4907 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4909 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4911 2006-04-28 Roger Sayle <roger@eyesopen.com>
4914 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4915 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4916 an unsigned HOST_WIDE_INT.
4917 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4919 (really_start_incremental_init): No need to call convert because
4920 bitsize_zero_node is already of type bitsizetype.
4921 (push_init_level): Extract the value of constructor_index as an
4922 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4923 (process_init_element): Likewise.
4925 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4927 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4928 value before passing to make_relative_prefix.
4930 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4933 * builtins.c (expand_builtin_memset): Expand val in original mode.
4935 2006-04-27 Eric Christopher <echristo@apple.com>
4937 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4938 with #ifndef/#endif.
4939 * config/darwin-c.c (darwin_ms_struct): New.
4940 (darwin_pragma_ms_struct): Ditto.
4941 (darwin_set_default_type_attributes): Ditto.
4942 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4943 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4944 Register ms_struct pragma.
4945 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4946 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4947 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4948 darwin_set_default_type_attributes if TARGET_MACHO.
4950 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4952 PR tree-optimization/26854
4953 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4954 * doc/tree-ssa.texi: Update immuse iterator documentation.
4955 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4956 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4957 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4958 first_safe_imm_use, next_safe_imm_use): Remove.
4959 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4960 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4961 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4962 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4963 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4964 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4965 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4966 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4967 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4968 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4969 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4970 (perfect_nestify): Use new iterator.
4971 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4973 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4974 (next_imm_name): New field in struct immediate_use_iterator_d.
4975 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4976 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4977 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4978 * tree-cfg.c (replace_uses_by): Use new iterator.
4979 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4980 * tree-ssa-operands.c (correct_use_link): Remove.
4981 (finalize_ssa_use_ops): No longer call correct_use_link.
4983 2006-04-27 Stuart Hastings <stuart@apple.com>
4985 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4986 * config/t-darwin (crt3.o): Use it.
4987 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4988 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4989 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4990 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4991 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4994 2006-04-27 Roger Sayle <roger@eyesopen.com>
4996 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4997 size, force the intermediate into a new pseudo rather instead of
4998 performing both a bitwise AND and a bitwise IOR in memory.
5000 2006-04-27 Richard Guenther <rguenther@suse.de>
5002 PR rtl-optimization/26685
5003 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5004 this one "max-flow-memory-locations".
5006 2006-04-27 Richard Guenther <rguenther@suse.de>
5008 PR tree-optimization/25148
5009 * tree-vrp.c (compare_values): Remove code dealing with
5010 comparisons against type min/max value. Honour overflow
5011 and negative constants in code dealing with comparisons
5012 of plus and minus expressions.
5013 (value_inside_range): Use fold_binary with LE_EXPR and
5014 GE_EXPR rather than compare_values.
5016 2006-04-27 Dirk Mueller <dmueller@suse.de>
5018 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5021 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5023 * basic-block.h (safe_insert_insn_on_edge): Removed.
5024 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5026 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5027 Paolo Bonzini <bonzini@gnu.org>
5030 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5031 (simplify_and_const_int): Same.
5033 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5035 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5037 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5040 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5041 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5042 cgraph_global_info_ready.
5045 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5048 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5049 either decl or init is error_mark_node.
5052 * tree-flow.h (struct omp_region): Add sched_kind.
5053 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5054 instead of extracting omp for data.
5055 (expand_omp_for): Save extracted sched_kind.
5057 2006-04-25 Roger Sayle <roger@eyesopen.com>
5059 * expmed.c (store_bit_field): Also check whether the bitsize is
5060 valid for the machine's "insv" instruction before moving the
5061 target into a pseudo for use with the insv.
5062 * config/i386/predicates.md (const8_operand): New predicate.
5063 * config/i386/i386.md (extv, extzv, insv): Use the new
5064 const8_operand predicate where appropriate.
5066 2006-04-25 DJ Delorie <dj@redhat.com>
5068 * doc/install.texi (Specific): Clarify that this is not a list of
5069 supported hosts or targets.
5071 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5073 PR rtl-optimization/26725
5074 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5075 block's BB_DIRTY flag.
5077 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5079 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5082 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5083 to print an integer.
5085 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5087 * varasm.c (align_variable): New function.
5088 (get_block_for_decl): Apply align_variable to DECL before
5089 calculating section information.
5090 (assemble_variable): Split out alignment computation.
5092 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5094 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5097 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5099 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5100 MODE_PARTIAL_INT mode.
5101 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5102 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5104 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5105 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5107 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5109 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5111 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5112 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5113 MACFLAG_IH): Likewise.
5114 (movstricthi_1): Renamed from "*movstricthi".
5115 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5116 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5117 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5118 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5119 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5120 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5121 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5122 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5123 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5124 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5125 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5126 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5127 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5128 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5129 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5131 * doc/rtl.texi (ss_ashift): Improve wording.
5133 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5135 * dwarf2out.c (verify_marks_clear): New.
5136 (prune_unused_types): Call verify_marks_clear initially, not
5139 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5141 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5142 * doc/rtl.texi: Document them.
5143 * simplify-rtx.c (simplify_unary_operation,
5144 simplify_binary_operation_1): Don't abort when we see them.
5146 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5149 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5150 * configure.ac: Completely disregard languages that are not
5152 * configure: Regenerated.
5154 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5155 Richard Guenther <rguenther@suse.de>
5157 PR tree-optimization/27236
5158 * tree-inline.c (copy_body_r): Make sure to copy
5159 TREE_THIS_VOLATILE flag.
5161 2006-04-24 Richard Guenther <rguenther@suse.de>
5164 * tree-complex.c (update_parameter_components): Don't handle
5165 unused parameters which have no default def.
5167 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5168 Richard Guenther <rguenther@suse.de>
5170 PR tree-optimization/27218
5171 * tree-inline.c (expand_call_inline): Strip useless type
5172 conversions for the return slot address.
5174 2006-04-24 Richard Guenther <rguenther@suse.de>
5176 * cfgloop.h (struct loops): Remove unused field array. Reorder
5178 (LOOP_PREFETCH): Remove.
5180 2006-04-24 Richard Guenther <rguenther@suse.de>
5182 PR tree-optimization/22525
5183 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5184 variable, adjust types of generated expressions.
5186 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5188 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5189 (tree-vect-patterns.o): Likewise.
5191 (cselib.o): Likewise.
5192 (loop-doloop.o): Likewise.
5193 (regclass.o): Likewise.
5194 (reload1.o): Likewise.
5195 (explow.o): Replace target.h with $(TARGET_H).
5196 (ipa-prop.o): Likewise.
5197 (ipa-cp.o): Likewise.
5198 (ipa-inline.o): Likewise.
5199 (reorg.o): Likewise.
5200 (reg-stack.o): Likewise.
5202 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5204 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5206 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5208 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5210 * configure.ac: Completely disregard languages that are not
5212 * configure: Regenerated.
5215 * c-common.h (c_build_bitfield_integer_type): Declare.
5216 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5217 * c-common.c (c_build_bitfield_integer_type): ... here.
5219 2006-04-23 Roger Sayle <roger@eyesopen.com>
5222 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5223 a SImode SUBREG of a floating point register after no_new_pseudos.
5225 2006-04-23 Roger Sayle <roger@eyesopen.com>
5227 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5228 identify potentially eliminable registers to additionally catch
5229 VIRTUAL_INCOMING_ARGS_REGNUM.
5230 (addsi3): Update the conditions on when to use addsi_small_int.
5232 2006-04-23 Roger Sayle <roger@eyesopen.com>
5235 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5236 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5237 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5239 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5241 * fold-const.c (range_predecessor): Use operand_equal_p
5242 as the predicate for equality.
5243 (range_successor): Likewise.
5245 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5248 * config/soft-fp/op-common.h: Fix a typo.
5250 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5253 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5254 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5256 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5258 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5260 * doc/tm.texi: Fix a typo.
5262 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5264 * dwarf2out.c (struct die_struct): Document that die_sib makes
5265 a circular linked list.
5266 (FOR_EACH_CHILD): New.
5267 (reverse_die_lists): Delete.
5268 (reverse_all_dies): Delete.
5269 (add_dwarf_attr): Correct documentation.
5270 (remove_child_with_prev): New.
5271 (remove_child_TAG): Update for change to die_struct, use
5272 remove_child_with_prev.
5273 (add_child_die): Update for change to die_struct.
5274 (splice_child_die): Use remove_child_with_prev and add_child_die.
5275 (print_die): Use FOR_EACH_CHILD.
5276 (die_checksum): Likewise.
5277 (assign_symbol_names): Likewise.
5278 (output_location_lists): Likewise.
5279 (build_abbrev_table): Likewise.
5280 (calc_die_sizes): Likewise.
5281 (mark_dies): Likewise.
5282 (unmark_dies): Likewise.
5283 (unmark_all_dies): Likewise.
5284 (output_die): Likewise.
5285 (prune_unused_types_mark): Likewise.
5286 (prune_unused_types_walk): Likewise.
5287 (same_die_p): Update for change to die_struct.
5288 (break_out_includes): Likewise.
5289 (prune_unused_types_prune): Likewise.
5290 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5291 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5293 (dwarf2out_finish): Don't call reverse_all_dies.
5295 2006-04-21 Eric Christopher <echristo@apple.com>
5297 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5298 in comments and function names.
5300 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5303 * c-typeck.c (digest_init): Robustify.
5305 * c-typeck.c (pop_init_level): Simplify.
5307 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5309 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5311 2006-04-21 Paul Brook <paul@codesourcery.com>
5313 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5314 hardware floating point.
5316 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5318 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5321 2006-04-21 Nick Clifton <nickc@redhat.com>
5323 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5326 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5329 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5330 C++ lang type in traceback table for Objective-C++.
5332 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5334 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5336 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5338 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5341 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5342 were errors. Remove check for erroneous objects.
5344 2006-04-20 Jeff Law <law@redhat.com>
5346 PR tree-optimization/26854
5347 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5348 checking for zero or one use.
5349 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5350 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5351 * tree-ssa-reassoc.c (negate_value): Similarly.
5352 (reassociate_bb): Similarly.
5354 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5356 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5357 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5358 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5360 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5362 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5363 fp regs if the last fp arg doesn't fit in regs.
5365 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5368 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5369 that the last insn has the REG_INC note.
5371 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5372 Nathan Sidwell <nathan@codesourcery.com>
5375 * stor-layout.c (update_alignment_for_field): Do not align
5377 (place_union_field): Place union field at the start of the union.
5378 (place_field): Move ERROR_MARK check later, and use the current
5379 allocation position to maintain monotonicity.
5381 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5383 * dominance.c: Include timevar.h.
5384 (calculate_dominance_info): Use TV_DOMINANCE.
5385 * timevar.def (TV_DOMINANCE): New timevar.
5386 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5388 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5390 PR rtl-optimization/14261
5391 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5392 move would be an INSV insn.
5393 (noce_process_if_block): Don't optimize if the destination is a
5394 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5396 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5398 * config/s390/s390.md: Add comments with the instructions emitted
5399 by an insn pattern if macros are used.
5401 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5403 PR rtl-optimization/26026
5404 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5405 is a known power of two shifted left a variable amount.
5407 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5409 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5410 to hash table twice when the debug_str section has SECTION_MERGE.
5412 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5414 * config/soft-fp: New directory. From glibc.
5415 * config/soft-fp/t-softfp: New.
5416 * config/soft-fp/README: New.
5417 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5418 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5419 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5420 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5421 * config.gcc: Use rs6000/t-fprules-fpbit or
5422 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5424 * config/rs6000/sfp-machine.h: New. Based on glibc.
5425 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5427 * config/rs6000/t-fprules: Remove fp-bit rules.
5428 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5429 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5430 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5431 (softfp_wrap_start, softfp_wrap_end): New.
5433 2006-04-18 DJ Delorie <dj@redhat.com>
5435 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5437 2006-04-18 Devang Patel <dpatel@apple.com>
5439 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5441 2006-04-18 Nick Clifton <nickc@redhat.com>
5443 * config/sh/t-symbian: Add rule to build sh-c.o
5444 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5445 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5446 (sh_symbian_encode_section_info): Likewise.
5448 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5450 * builtins.c (expand_builtin_strcmp): Cover label definition of
5451 do_libcall with HAVE_cmpstrnsi.
5453 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5455 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5457 * function.h (temp_slot_p): New.
5458 (function): Change the type of x_used_temp_slots to
5459 VEC(temp_slot_p,gc) *.
5461 2006-04-18 Nick Clifton <nickc@redhat.com>
5463 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5464 flag_strength_reduce.
5466 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5468 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5472 Partial revert of revision 112637
5473 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5474 Dale Johannesen <dalej@apple.com>
5477 * regclass.c (struct reg_pref): Update documentation.
5478 (regclass): Set prefclass to NO_REGS if memory is the best option.
5479 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5481 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5483 PR tree-optimization/26821
5484 * tree-ssa-math-opts.c (get_constant_one): New.
5485 (insert_reciprocals): Use it.
5487 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5489 * dwarf2out.c (free_AT): Delete.
5490 (remove_AT): Update string ref counts.
5491 (remove_child_TAG): Don't call free_die.
5493 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5494 or DW_TAG_GNU_EINCL.
5495 (prune_unused_types_walk_attribs): Reset string refcounts.
5496 (prune_unused_types_update_strings): New.
5497 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5498 call free_die. Do call prune_unused_types_update_strings.
5499 (prune_unused_types): Empty debug_str_hash.
5501 2006-04-17 Roger Sayle <roger@eyesopen.com>
5503 * expr.c (expand_assignment): Optimize away no-op moves where the
5504 source and destination are equal and have no side-effects.
5506 2006-04-17 Richard Guenther <rguenther@suse.de>
5509 * reload.c (push_reload): Guard calls to get_secondary_mem
5512 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5514 * alias.c (reg_base_value, old_reg_base_value): Change the
5515 type to VEC(rtx,gc) *.
5516 (REG_BASE_VALUE, find_base_value, record_set,
5517 init_alias_analysis): Use VEC instead of VARRAY.
5519 * alias.c (alias_sets): Change the type to
5520 VEC(alias_set_entry,gc) *.
5521 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5522 VEC instead of VARRAY.
5523 (last_alias_set): Remove.
5525 * cgraph.h (cgraph_edge_p): New.
5526 Update the prototype of cgraph_function_versioning.
5527 * cgraphunit.c (cgraph_copy_node_for_versioning,
5528 cgraph_function_versioning): Use VEC instead of VARRAY.
5529 * ipa-cp.c (ipcp_insert_stage): Likewise.
5531 2006-04-16 Roger Sayle <roger@eyesopen.com>
5534 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5535 "A op B" or "A op C", we may need to convert A to the type of B and C.
5537 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5539 * target.h (struct gcc_target): Add mode_rep_extended.
5540 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5541 (init_num_sign_bit_copies_in_rep): Initialize it using
5543 (truncate_to_mode): Use it.
5544 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5545 * targhooks.h (default_mode_rep_extended): Declare it.
5546 * targhooks.c (default_mode_rep_extended): Define it.
5547 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5548 default_mode_rep_extended.
5549 (TARGET_INITIALIZER): Include it.
5550 * doc/tm.texi (Misc): Document it.
5551 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5552 (mips_truncated_to_mode): New function.
5554 2006-04-16 Roger Sayle <roger@eyesopen.com>
5557 * expr.c (compress_float_constant): Copy the narrow constant into
5558 a new pseudo before extending it to its final width.
5560 2006-04-16 Roger Sayle <roger@eyesopen.com>
5561 Andrew Pinski <pinskia@gcc.gnu.org>
5562 Dale Johannesen <dalej@apple.com>
5565 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5566 special case code to implement V8HImode and V16QImode with SSE2.
5568 2006-04-15 Roger Sayle <roger@eyesopen.com>
5570 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5571 trees are constructed with a suitable tree type.
5573 2006-04-15 Roger Sayle <roger@eyesopen.com>
5575 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5576 (integer_onep): Likewise.
5577 (integer_all_onesp): Likewise.
5578 (integer_pow2p): Likewise.
5579 (integer_nonzerop): Likewise.
5580 (real_zerop): Likewise.
5581 (real_onep): Likewise.
5582 (real_twop): Likewise.
5583 (real_minus_onep): Likewise.
5584 (int_size_in_bytes): Likewise.
5585 (host_integerp): Likewise.
5587 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5589 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5590 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5591 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5593 * tree-ssa-structalias.h (alias_info): Remove num_references.
5595 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5597 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5598 (output_bvb patterns): Likewise.
5599 * pa.c (output_bb): Use 'bb' insn for long branch case.
5600 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5601 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5602 1. Correct length operand for alternatives 1 and 2.
5603 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5604 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5606 2006-04-14 Roger Sayle <roger@eyesopen.com>
5608 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5609 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5610 were accidentally reverted by r112959.
5612 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5615 * except.h (eh_region_outermost): New prototype.
5616 * except.c (eh_region_outermost): New function.
5617 * tree-cfg.c (find_outermost_region_in_block): Use it.
5619 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5621 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5623 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5624 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5625 (init_reload, reload): Use VEC instead of VARRAY.
5626 * reload.h: Update the prototype for
5627 reg_equiv_memory_loc_varray.
5629 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5630 Eric Botcazou <ebotcazou@libertysurf.fr>
5632 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5635 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5638 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5639 to expand fallback builtin function call.
5641 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5644 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5645 and emit libcall here in case the builtin fails.
5646 (expand_builtin_strcmp): Always emit the libcall here on failure.
5648 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5650 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5651 * flow.c (reg_n_info): Change the type to
5652 VEC(reg_info_p,heap) *.
5653 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5655 * regs.h (reg_info_p): New.
5656 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5657 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5658 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5661 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5663 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5665 * params.h (MAX_SCHED_READY_INSNS): New macro.
5666 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5667 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5668 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5669 the ready list for 1 cycle during the first scheduling pass.
5670 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5672 2006-04-13 Richard Henderson <rth@redhat.com>
5675 * gimple-low.c (lower_omp_directive): Remove dead code.
5676 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5677 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5678 * omp-low.c (struct omp_region): Move to tree-flow.h.
5679 (root_omp_region): Export.
5680 (omp_regions, lookup_omp_region): Remove.
5681 (determine_parallel_type): Update for struct omp_region changes.
5682 (dump_omp_region): Dump regions with block numbers.
5683 (new_omp_region): Take type and block instead of stmt; malloc
5685 (free_omp_region_1, free_omp_regions): New.
5686 (expand_parallel_call): Take entry_stmt as argument; update for
5687 changes to omp_region.
5688 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5689 (remove_exit_barriers): New.
5690 (expand_omp_parallel): Update for struct omp_region changes.
5691 (expand_omp_synch): Likewise.
5692 (expand_omp): Likewise.
5693 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5694 (expand_omp_for_static_chunk): Likewise.
5695 (expand_omp_for): Likewise.
5696 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5697 (expand_omp_sections): Similarly, with GOMP_sections_end.
5698 (expand_omp_single): New.
5699 (build_omp_regions_1): Update for OMP_CONTINUE.
5700 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5701 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5702 OMP_SECTIONS_SECTIONS.
5703 (lower_omp_single_simple): Don't emit barrier here.
5704 (lower_omp_single_copy): Likewise.
5705 (lower_omp_single): Fix bindings, and lower to straightline now.
5706 (lower_omp_master, lower_omp_ordered): Likewise.
5707 (lower_omp_critical): Likewise.
5708 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5709 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5710 omp edges, free it afterward.
5711 (make_omp_sections_edges): Remove.
5712 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5713 (move_stmt_r): Handle OMP_CONTINUE.
5714 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5715 statement pointers to basic blocks. Add type member.
5716 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5717 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5718 * tree-inline.c (estimate_num_insns_1): Likewise.
5719 * tree-pretty-print.c (dump_generic_node): Likewise.
5720 * tree-ssa-operands.c (get_expr_operands): Likewise.
5721 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5722 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5723 (OMP_CONTINUE): New.
5724 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5725 (OMP_SECTIONS_SECTIONS): Remove.
5726 (OMP_SECTION_LAST): New.
5727 (OMP_RETURN_NOWAIT): New.
5729 2006-04-13 Roger Sayle <roger@eyesopen.com>
5731 * fold-const.c (native_encode_vector, native_interpret_real):
5732 Correct obvious mistakes in the previous check-in.
5734 2006-04-13 Roger Sayle <roger@eyesopen.com>
5736 * fold-const.c (native_encode_expr): New function to encode
5737 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5738 or VECTOR_CST into a specified buffer.
5739 (native_encode_int): New function.
5740 (native_encode_real): New function.
5741 (native_encode_complex): New function.
5742 (native_encode_vector): New function.
5743 (native_interpret_expr): Inverse of native_encode_expr to convert
5744 a target representation into an INTEGER_CST, REAL_CST etc...
5745 (native_interpret_int): New function.
5746 (native_interpret_real): New function.
5747 (native_interpret_complex): New function.
5748 (native_interpret_vector): New function.
5749 (fold_view_convert_expr): New function to constant fold/evaluate
5750 a VIEW_CONVERT_EXPR of a suitable constant expression.
5751 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5752 Change call of build1 to fold_build1 when constructing a
5755 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5756 Ulrich Weigand <uweigand@de.ibm.com>
5759 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5762 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5765 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5766 optimize to lo_sum for DFmode if !TARGET_FPRS.
5768 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5770 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5771 delete_alias_info, compute_flow_sensitive_aliasing,
5772 group_aliases): Use VEC instead of VARRAY.
5773 * tree-ssa-structalias.c (update_alias_info): Likewise.
5774 * tree-ssa-structalias.h (alias_info): Change the type of
5775 processed_ptrs to VEC(tree,heap) *.
5777 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5780 * config/sh/lib1funcs.h: New file, broken out of:
5781 * config/sh/lib1funcs.asm.
5782 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5784 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5785 * config/sh/lib1funcs-Os-4-200.asm: New file.
5786 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5787 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5788 (EXTRA_MULTILIB_PARTS): Include it.
5789 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5790 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5791 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5792 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5795 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5797 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5798 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5799 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5801 * tree-ssa-live.h: Include vecprim.h.
5802 (tree_partition_associator_d): Change the type of
5803 first_partition to VEC(int,heap) *.
5804 (tpa_first_partition): Use VEC instead of VARRAY.
5806 * Makefile.in (GTFILES): Move functions.h after tree.h.
5807 * function.c (reset_block_changes, record_block_change,
5808 check_block_change, free_block_changes): Use VEC instead of
5810 * function.h (function): Change the type of
5811 ib_boundaries_block to VEC(tree,gc) *.
5812 * tree-inline.c (copy_cfg_body): Initialize
5813 ib_boundaries_block to NULL instead of (varray_type) 0.
5815 2006-04-12 Roger Sayle <roger@eyesopen.com>
5817 * expr.c (emit_group_store): Correct operand order in call to
5818 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5819 a SUBREG_BYTE of zero.
5821 2006-04-12 Richard Guenther <rguenther@suse.de>
5823 * profile.c (compute_branch_probabilities): Remove code
5824 encapsulated in !ir_type (), which are remanents of the
5825 removed RTL profiling code.
5826 * rtl-profile.c: Remove.
5828 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5830 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5831 magic NULL_RTX comment.
5832 (function_arg): Store entire fp arg to mem if any part should go
5834 (rs6000_arg_partial_bytes): Adjust for above change.
5836 2006-04-11 Roger Sayle <roger@eyesopen.com>
5838 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5839 if it hasn't been initialized by dwarf2out_init.
5841 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5843 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5844 symbolic constants in branch patterns.
5846 2006-04-11 Roger Sayle <roger@eyesopen.com>
5848 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5850 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5852 PR rtl-optimization/27073
5853 * gcse.c (try_replace_reg): Revert last change. Continue to search
5854 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5857 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5859 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5860 aggregate types other than record and union types.
5861 (function_arg): Likewise.
5862 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5864 (function_value): In 64-bit mode, return objects that require it
5867 2006-04-11 Roger Sayle <roger@eyesopen.com>
5869 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5871 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5873 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5875 2006-04-03 Jeff Law <law@redhat.com>
5878 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5879 alias information too.
5881 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5883 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5885 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5888 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5889 (premark_used_types_helper): New.
5890 (premark_used_types): New.
5891 (gen_subprogram_die): Call premark_used_types.
5892 (prune_unused_types_walk): Do not prune perennial dies.
5893 * function.c (used_types_insert): New.
5894 * function.h (struct function): Add used_types_hash field.
5895 (used_types_insert): Add prototype.
5896 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5897 * c-parser.c (c_parser_cast_expression): Save casted types in used
5900 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5903 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5904 rs6000_explicit_options.float_gprs.
5906 2006-04-10 Roger Sayle <roger@eyesopen.com>
5908 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5909 from ix86_expand_vector_init_low_nonzero. Take an additional
5910 one_var argument indicating which element is non-zero. Support
5911 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5912 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5913 with one_var instead of ix86_expand_vector_init_low_nonzero.
5915 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5917 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5918 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5919 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5920 build/genextract.o): Depend on vecprim.h.
5921 * cfglayout.c, df-problems.c, function.c, genextract.c,
5922 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5923 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5927 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5929 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5930 Declare VECs of this type.
5931 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5932 (remove_children): Delete.
5933 (add_dwarf_attr): Use VEC routines.
5934 (add_AT_flag): Update for changes to add_dwarf_attr.
5935 (add_AT_int): Likewise.
5936 (add_AT_unsigned): Likewise.
5937 (add_AT_long_long): Likewise.
5938 (add_AT_vec): Likewise.
5939 (add_AT_string): Likewise.
5940 (add_AT_die_ref): Likewise.
5941 (add_AT_fde_ref): Likewise.
5942 (add_AT_loc): Likewise.
5943 (add_AT_loc_list): Likewise.
5944 (add_AT_addr): Likewise.
5945 (add_AT_lbl_id): Likewise.
5946 (add_AT_lineptr): Likewise.
5947 (add_AT_macptr): Likewise.
5948 (add_AT_offset): Likewise.
5949 (add_AT_range_list): Likewise.
5950 (get_AT): Use VEC_iterate.
5951 (remove_AT): Use VEC_ordered_remove.
5952 (free_die): Fold remove_children into here; have it use VEC_iterate.
5953 (print_die): Use VEC_iterate on attrs.
5954 (reverse_die_lists): Don't reverse attr lists.
5955 (die_checksum): Use VEC_iterate on attrs.
5956 (same_die_p): Likewise.
5957 (output_location_lists): Likewise.
5958 (build_abbrev_table): Likewise.
5959 (size_of_die): Likewise.
5960 (unmark_all_dies): Likewise.
5961 (output_abbrev_section): Likewise.
5962 (output_die): Likewise.
5963 (prune_unused_types_walk_attribs): Likewise.
5965 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5967 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5969 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5972 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5974 2006-04-09 Roger Sayle <roger@eyesopen.com>
5976 * expr.c (store_constructor): Don't bother clearing target if
5977 we're about to assign a vector to it using vec_init_optab.
5979 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5981 * tree-ssa-alias.c (lhs_may_store_to): New function.
5982 (recalculate_used_alone): Handle LHS of calls.
5984 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5988 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5989 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5990 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5991 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5992 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5993 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5994 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5995 stubs. Add ".align 8" directives before all ".dword" directives.
5996 (GTHREAD_USE_WEAK): Revise comment.
5997 (TARGET_ATTRIBUTE_WEAK): Define.
5998 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5999 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6000 * stublib.c: New file.
6005 * pa.md (cbranch patterns): Revise arguments used in calls to
6006 output_cbranch, output_bb and output_bvd. Add long branch length
6008 (fbranch patterns): Handle long branches.
6009 (jump): Revise length check. Revise arguments for output_lbranch call.
6010 Add long branch length attributes.
6011 (decrement_and_branch_until_zero): Add long branch length attributes.
6012 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6013 Likewise. Revise arguments for output_parallel_addb and
6014 output_parallel_movb calls.
6015 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6016 output_parallel_movb and output_parallel_addb): Update prototypes.
6017 * pa.c (output_cbranch): Revise arguments. Correct handling of
6018 nullification in long branches.
6019 (output_lbranch): Add new argument to control extraction of delay
6021 (output_bb): Handle long branches.
6022 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6023 output_parallel_addb): Likewise.
6025 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6027 PR rtl-optimization/27073
6028 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6031 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6033 * tree.h (tree_memory_tag): Add old_used_alone.
6034 (SMT_OLD_USED_ALONE): New macro.
6035 * tree-ssa-alias.c (recalculate_used_alone): Stop
6036 marking things for renaming unnecessarily.
6038 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6040 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6041 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6042 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6043 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6044 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6045 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6046 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6047 spelling convensions.
6048 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6049 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6050 typos. Follow spelling conventions.
6052 2006-04-07 DJ Delorie <dj@redhat.com>
6054 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6055 passed on the stack.
6056 (m32c_init_cumulative_args): When a function returns a structure,
6057 always pass the pointer to that return area on the stack.
6058 (m32c_function_arg_advance): Don't increment the parameter number
6059 if we're processing the returned structure pointer.
6060 (pushm_info): Reverse order of registers.
6062 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6064 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6065 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6066 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6067 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6069 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6070 chrec_fold_multiply): Same.
6071 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6072 force_expr_to_var_cost): Same.
6073 * tree-mudflap.c (mf_xform_derefs_1): Same.
6074 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6076 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6078 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6079 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6082 2006-04-07 Jan Hubicka <jh@suse.cz>
6084 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6086 2006-04-07 Richard Guenther <rguenther@suse.de>
6088 PR tree-optimization/26135
6089 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6090 loads for store copy-prop.
6091 (copy_prop_visit_stmt): Likewise.
6093 2006-04-05 Robert Millan <robertmh@gnu.org>
6095 * config/i386/linux.h: Add a comment to mark macros that are
6096 being overriden in config/k*bsd-gnu.h.
6097 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6099 * config/knetbsd-gnu.h: Ditto.
6101 2006-04-06 Jan Hubicka <jh@suse.cz>
6105 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6108 2006-04-06 Mike Stump <mrs@apple.com>
6110 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6111 for HAVE_nonlocal_goto to be consistent.
6112 (expand_builtin_nonlocal_goto): Likewise.
6113 (expand_builtin_strcmp): Use #ifdef instead of #if
6114 for HAVE_cmpstrnsi to be consistent.
6116 2006-04-05 DJ Delorie <dj@redhat.com>
6118 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6121 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6123 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6124 got-relative addressing for anything but SImode.
6126 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6127 even if the calling function doesn't modify them.
6129 2006-04-05 Richard Guenther <rguenther@suse.de>
6131 PR tree-optimization/26919
6132 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6133 to cgraph_estimate_size_after_inlining.
6135 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6137 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6139 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6141 PR tree-optimization/26996
6142 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6143 VECTOR_TYPE variables.
6145 2006-04-05 Richard Guenther <rguenther@suse.de>
6147 PR tree-optimization/26763
6148 * fold-const.c (fold_comparison): Move folding of
6149 PTR + CST CMP PTR + CST ...
6150 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6152 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6154 * doc/install.texi (Prerequisites): Refine some wording on
6155 bootstrapping and ksh.
6156 Move the version numbers of DejaGnu here from the testing section
6157 and fix casing of names.
6158 Fix markup and clarify wording for autogen requirements.
6159 Refer to GCJ instead of just java.
6160 Refer to SVN instead of CVS.
6161 Describe diffutils as useful instead of necessary.
6162 (Downloading the source): Refer to SVN instead of CVS.
6163 Adjust a link to our web site accordingly.
6164 (Configuration): Fix casing of Bison.
6165 (Building): Refer to SVN instead of CVS.
6166 Fix a sentence on the use of Bison and remove duplicate (and
6167 incorrect) version number of Bison requirement.
6168 Remove one redundant list of packages needed for building.
6169 (Specific): Avoid reference to CVS.
6171 2006-04-04 Eric Christopher <echristo@apple.com>
6173 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6174 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6175 (rs6000_handle_struct_attribute): New.
6176 (rs6000_ms_bitfield_layout_p): Ditto.
6178 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6180 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6181 NULL for dso parameter to atexit_common.
6183 2006-04-04 Eric Christopher <echristo@apple.com>
6185 * config/i386/i386.c (machopic_output_stub): Output \t
6186 between instructions and operands.
6188 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6190 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6191 satisfies_constraint_[IL] to explicit tests on value.
6193 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6195 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6196 set_nb_iterations_in_loop): Use build_int_cst instead of
6198 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6199 build_int_cst instead of convert.
6201 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6203 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6204 new value 2 for incoming.
6205 * function.c (expand_function_start): Call struct_value_rtx
6207 * config/sparc/sparc.md: Comment updated_return.
6208 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6209 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6210 struct return if sparc_std_struct_return and incoming is 2.
6211 (print_operand): Do not adjust return if
6212 sparc_std_struct_return.
6214 2006-04-04 Roger Sayle <roger@eyesopen.com>
6216 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6217 convert in the middle-end.
6218 * expr.c (store_expr, store_constructor, get_inner_reference,
6219 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6221 * tree.c (build_range_type): Likewise.
6223 2006-04-04 Tom Tromey <tromey@redhat.com>
6225 * doc/install.texi (Prerequisites): Mention jar.
6227 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6229 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6232 2006-04-04 Matthias Klose <doko@debian.org>
6234 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6235 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6238 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6240 * doc/extend.texi (Function Attributes): Rewrite visibility
6241 attribute documentation.
6242 * doc/invoke.texi (C++ Dialect Options): Rewrite
6243 -fvisibility-inlines-hidden documentation to describe something
6244 entirely different, although in practise compatible.
6245 (Code Gen Options): Warn about system headers in -fvisibility=
6248 * doc/extend.texi (Other Builtins): Document that
6249 __builtin_nan is a compile-time constant only when its argument
6252 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6254 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6255 trying to remove TRUNCATE check if all bits outside the new mode
6256 are identical to the sign bit.
6258 2006-04-03 Jeff Law <law@redhat.com>
6260 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6261 and operand scanning in some common cases.
6263 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6264 Dale Johannesen <dalej@apple.com>
6267 * regclass.c (struct reg_pref): Update documentation.
6268 (regclass): Set prefclass to NO_REGS if memory is the best option.
6269 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6270 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6271 into account. For non-registers, equate an empty preferred
6272 reload class to a `!' in the constraint; move the if clause to
6273 do so after those that reject the insn.
6274 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6276 (find_dummy_reload): Likewise.
6277 * doc/tm.texi (Register Classes): Document what it means
6278 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6279 * config/i386/i386.c (ix86_preferred_reload_class): Force
6280 using SSE registers (and return NO_REGS for floating-point
6281 constants) if math is done with SSE.
6282 (ix86_preferred_output_reload_class): New.
6283 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6284 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6285 * config/i386/i386.md: Remove # register preferences.
6287 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6290 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6291 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6292 the type of nb_iter.
6293 (instantiate_parameters_1): Convert the operands before calling
6294 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6295 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6297 2006-04-02 Roger Sayle <roger@eyesopen.com>
6299 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6300 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6302 * dojump.c (do_jump): Likewise.
6303 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6304 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6305 gimplify_boolean_expr): Likewise.
6306 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6307 * varasm.c (array_size_for_constructor): Likewise.
6308 * tree-object-size.c (compute_object_offset): Likewise.
6310 2006-04-02 Roger Sayle <roger@eyesopen.com>
6313 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6314 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6316 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6318 PR tree-optimization/26939
6319 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6321 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6323 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6324 at_stmt. Convert the type of operands before calling
6325 build_polynomial_chrec.
6326 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6328 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6329 (instantiate_parameters_1): Convert the type of operands before calling
6330 build_polynomial_chrec.
6331 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6332 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6333 reset_evolution_in_loop): Insert asserts to check the types of the
6335 (chrec_type): Moved...
6336 (eq_evolutions_p): Use operand_equal_p.
6337 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6338 the types of the operands.
6339 (chrec_type): ...here.
6340 * tree-data-ref.c (create_data_ref): Convert the operands before
6341 calling chrec_replace_initial_condition.
6342 (same_access_functions, analyze_subscript_affine_affine,
6343 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6344 (compute_subscript_distance, analyze_ziv_subscript,
6345 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6346 analyze_miv_subscript): Convert the operands before calling
6347 chrec_fold_minus or chrec_fold_plus.
6349 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6351 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6352 the dependence_relations vector.
6353 (compute_data_dependences_for_loop): Adjust call to
6354 compute_all_dependences.
6356 2006-04-01 Roger Sayle <roger@eyesopen.com>
6357 Richard Henderson <rth@redhat.com>
6359 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6360 gimple_boolify on the condition before calling gimplify_expr.
6362 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6364 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6365 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6366 the frame size. Update to use the new macros.
6367 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6368 * config/xtensa/ieee754-df.S: Likewise.
6370 2006-03-31 Richard Henderson <rth@redhat.com>
6372 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6373 (make_edges): ... here. Control fallthru creation with a local
6374 variable. Do not play with fake edges.
6375 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6376 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6379 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6381 * dwarf2.h (DW64_CIE_ID): Define.
6382 * dwarf2out.c (DWARF_CIE_ID): Define.
6383 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6384 length header. Use DWARF_CIE_ID.
6385 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6386 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6388 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6390 * config/sh/linux-atomic.asm: New file.
6391 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6393 2006-03-31 DJ Delorie <dj@redhat.com>
6395 * config/m32c/cond.md: Set condition flags properly throughout.
6396 * config/m32c/minmax.md: Likewise.
6397 * config/m32c/prologue.md: Likewise.
6398 * config/m32c/bitops.md: Likewise.
6399 * config/m32c/muldiv.md: Likewise.
6400 * config/m32c/mov.md: Likewise.
6401 * config/m32c/addsub.md: Likewise.
6402 * config/m32c/m32c.md: Likewise.
6403 * config/m32c/jump.md: Likewise.
6404 * config/m32c/shift.md: Likewise.
6406 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6407 conditionally output the pattern for this.
6408 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6409 (m32c_compare_redundant): New.
6410 (m32c_output_compare): New.
6411 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6413 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6414 dest, not src. Allow other 4-byte modes.
6416 2006-03-30 Denis Chertykov <denisc@overta.ru>
6418 * doc/md.texi: Refer to avr/constraints.md instead of
6421 2006-03-30 Roger Sayle <roger@eyesopen.com>
6423 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6424 signed vs. unsigned comparison failures on some hosts.
6426 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6429 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6430 change to FLOAT_REGS.
6432 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6433 (rs6000_override_options): Use it.
6434 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6435 only for -mabi=spe/no-spe and -mabi=altivec.
6437 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6439 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6442 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6444 * Makefile.in: Rename docdir to gcc_docdir.
6446 2006-03-30 Roger Sayle <roger@eyesopen.com>
6449 * expr.c (emit_group_store): Optimize group stores into a pseudo
6450 register by using a paradoxical subreg to initialize the destination
6451 if the first or last member of the group specifies a "low part".
6453 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6456 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6457 * target.h (struct gcc_target.speculate_insn): Change type of the
6458 second parameter to 'int'.
6459 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6460 the second operand of the DEPS_LIST.
6461 (copy_DEPS_LIST_list): Update reference to the second operand of the
6463 * rtl.h (alloc_DEPS_LIST): Update signature.
6464 * sched-int.h (ds_t): Change typedef to 'int'.
6465 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6467 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6469 * haifa-sched.c (try_ready): Change condition to restore
6470 non-speculative pattern of the instruction.
6471 (process_insn_depend_be_in_spec): Code to keep probability of the
6472 speculative dependence non-decreasing.
6474 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6476 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6477 (single_move_for_movmem): ... this. Also change all uses.
6478 (bfin_expand_strmov): Renamed to...
6479 (bfin_expand_movmem): ... this. Also change all uses.
6480 * config/bfin/bfin.md (movstrsi): Renamed to...
6481 (movstrsi): ...this.
6483 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6485 PR tree-optimization/26830
6487 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6488 (copy_prop_visit_stmt): Remove write-only variable ann.
6489 (init_copy_prop): Check variable loop depth here. Do not simulate
6490 memory-tag and virtual operand PHIs except for store copy prop.
6492 2006-03-30 Richard Guenther <rguenther@suse.de>
6494 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6495 variants with double arguments.
6497 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6499 * genpreds.c (write_tm_constrs_h): Delete variable p.
6500 * genconditions.c (write_header): Add tm-constrs.h to included
6502 * genpeep.c (main): Add toplev.h to included headers.
6503 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6504 (build/genpeep.o): Add toplev.h dependency.
6505 * config/rs6000/constraints.md: Add "W" constraint.
6507 2006-03-29 Roger Sayle <roger@eyesopen.com>
6509 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6510 sizes by correctly testing whether the size fits a host integer.
6511 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6512 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6513 SImode range for the default sizetype and bitsizetype.
6515 2006-03-29 Roger Sayle <roger@eyesopen.com>
6517 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6518 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6519 quickly if the argument is already of the correct type.
6520 Call fold_build1 instead of build1. Tidy up blank lines.
6522 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6524 * genemit.c (main): Add tm-constrs.h to included headers.
6525 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6526 * genpeep.c (main): Add tm-constrs.h to included headers.
6527 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6528 (write_tm_constrs_h): this and write complete file.
6529 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6530 (write_insn_preds_c): Add tm-constrs.h to included headers.
6531 (gen_constrs): New variable.
6532 (parse_option): Parse "-c".
6533 (main): Invoke write_tm_constrs_h.
6534 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6535 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6536 (object_out_file): Add tm-constrs.h dependency.
6537 (insn-emit.o): Same.
6538 (insn-output.o): Same.
6539 (insn-peep.o): Same.
6540 (insn-preds.o): Same.
6541 (insn-recog.o): Same.
6542 (tm-constsr.h): New target.
6543 (s-constrs-h): New target.
6545 * config/rs6000/constraints.md: New file.
6546 * config/rs6000/rs6000.c: Include tm-constrs.h.
6547 (num_insn_constant_wide): Convert to satisfies_constraint.
6548 (rs6000_rtx_costs): Convert to satisfies_constraint.
6549 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6550 (CONST_OK_FOR_LETTER_P): Delete.
6551 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6552 (EXTRA_CONSTRAINT): Delete.
6553 (EXTRA_MEMORY_CONSTRAINT): Delete.
6554 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6555 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6556 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6557 satisfies_constraint.
6559 * config/i386/i386.c: Include tm-constrs.h.
6561 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6563 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6564 * tree-data-ref.c (find_data_references_in_loop,
6565 compute_data_dependences_for_loop): Use pointers to VEC.
6566 (analyze_all_data_dependences): Adjust calls.
6567 * tree-data-ref.h (find_data_references_in_loop,
6568 compute_data_dependences_for_loop): Adjust declarations.
6569 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6570 compute_data_dependences_for_loop.
6572 2006-03-29 Paul Brook <paul@codesourcery.com>
6574 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6577 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6579 PR tree-optimization/26859
6580 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6582 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6583 for the step after fold_convert.
6585 2006-03-29 Paul Brook <paul@codesourcery.com>
6587 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6588 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6590 2006-03-29 Paul Brook <paul@codesourcery.com>
6593 * targhooks.c (default_narrow_bitfield): New fuction.
6594 * targhooks.h (default_narrow_bitfield): add prototype.
6595 * target.h (gcc_target): Add narrow_volatile_bitfield.
6596 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6597 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6598 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6599 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6601 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6603 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6605 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6606 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6607 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6608 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6609 (s390_function_arg_float): Allow SDmode and DDmode values to be
6610 passed in floating point registers.
6611 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6612 check with SCALAR_FLOAT_MODE_P.
6613 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6615 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6617 PR tree-optimization/25985
6618 * tree-ssa-loop-niter.c (number_of_iterations_le,
6619 number_of_iterations_ne): Make comments more precise.
6620 (number_of_iterations_cond): Add only_exit argument. Use the
6621 fact that signed variables do not overflow only when only_exit
6623 (loop_only_exit_p): New.
6624 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6625 number_of_iterations_cond.
6627 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6629 PR tree-optimization/26643
6630 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6633 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6635 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6636 (divsi3_i4_int): Likewise.
6638 2006-03-28 Roger Sayle <roger@eyesopen.com>
6640 * expr.c (emit_group_store): Only create a new pseudo reg if the
6641 quantity it needs to hold isn't already a suitable pseudo.
6643 2006-03-28 Jeff Law <law@redhat.com>
6645 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6646 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6648 2006-03-28 Roger Sayle <roger@eyesopen.com>
6650 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6651 the equivalent ~X & Y, and the symmetry related transformations.
6652 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6653 ~X & Y, and symmetry related transforms.
6655 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6657 Revert my 2006-03-27 patches.
6659 2006-03-28 Roger Sayle <roger@eyesopen.com>
6661 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6662 ~(T1)X, when T1 and T2 are integer types of the same precision
6663 and (T2)X isn't an extension.
6665 2006-03-28 Jeff Law <law@redhat.com>
6667 PR tree-optimization/26796
6668 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6669 need EH edge cleanups rather than purging them immediately.
6670 (eliminate_degenerate_phis): Handle queued EH cleanups.
6672 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6674 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6677 2006-03-27 Roger Sayle <roger@eyesopen.com>
6680 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6681 cast BIT_NOT_EXPR operand to the correct type.
6683 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6685 * tree-loop-linear.c: Don't include varray.h.
6686 (gather_interchange_stats, try_interchange_loops,
6687 linear_transform_loops): Use VEC instead of VARRAY.
6688 * lambda-mat.c: Don't include varray.h.
6689 * tree-chrec.c: Same.
6690 * lambda-trans.c: Same.
6691 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6692 VEC instead of VARRAY.
6693 * tree-vectorizer.h: Idem.
6694 * tree-data-ref.c (dump_data_references,
6695 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6696 initialize_data_dependence_relation, finalize_ddr_dependent,
6697 compute_all_dependences, find_data_references_in_loop,
6698 compute_data_dependences_for_loop, analyze_all_data_dependences,
6699 free_dependence_relation, free_dependence_relations,
6700 free_data_refs): Idem.
6701 * tree-data-ref.h (data_reference_p, subscript_p): New.
6702 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6703 VEC instead of VARRAY.
6704 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6705 (find_data_references_in_loop, compute_data_dependences_for_loop,
6706 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6707 dump_data_dependence_relations, free_dependence_relations,
6708 free_data_refs): Adjust declaration.
6709 (lambda_transform_legal_p): Move declaration here...
6710 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6711 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6712 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6713 vect_analyze_data_refs): Use VEC instead of VARRAY.
6714 * lambda.h (lambda_transform_legal_p): ...from here.
6715 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6716 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6717 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6718 tree-chrec.o): Don't depend on VARRAY_H.
6720 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6722 * rtl.def (Copyright): Update date.
6723 (DEPS_LIST): Change type of the second operand to 'int'.
6724 * target.h (Copyright): Update date.
6725 (struct gcc_target.speculate_insn): Change type of the second parameter
6727 * lists.c (Copyright): Update date.
6728 (alloc_DEPS_LIST): Change signature. Update reference to the second
6729 operand of the DEPS_LIST.
6730 (copy_DEPS_LIST_list): Update reference to the second operand of the
6732 * rtl.h (Copyright): Update date.
6733 (alloc_DEPS_LIST): Update signature.
6734 * sched-int.h (Copyright): Update date.
6735 (ds_t): Change typedef to 'int'.
6736 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6738 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6740 * haifa-sched.c (Copyright): Update date.
6741 (try_ready): Change condition to restore non-speculative pattern
6743 (process_insn_depend_be_in_spec): Code to keep probability of the
6744 speculative dependence non-decreasing.
6746 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6748 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6749 shut up the compiler.
6751 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6753 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6754 to use lib prefix for target.
6755 ($(T)libic_invalidate_array_4-200.a): Likewise.
6756 ($(T)libic_invalidate_array_4a.a): Likewise.
6758 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6759 J"orn Rennecke <joern.rennecke@st.com>
6761 * superh.opt: New file.
6762 * sh.c (boardtype, osruntime): Remove.
6763 * superh.h (SUBTARGET_OPTIONS): Remove.
6764 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6766 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6767 arguments with ^ and/or [].
6769 * config.gcc (sh-*-*): Add quoting to account for quirk of
6771 Replace == with = in enable_incomplete_targets test.
6773 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6774 with MASK_LITTLE_ENDIAN.
6776 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6777 * config/sh/sh.opt: Added to some comments.
6778 * config/sh/superh.h: Removed some chaff.
6780 * config/sh/sh.opt: Add m4-[1234]00* options.
6781 * config/sh/sh.c (sh_handle_option): Likewise.
6782 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6783 (ic_invalidate_array_4-100.o): New rule.
6784 ($(T)libic_invalidate_array_4-100.a): Likewise.
6785 (ic_invalidate_array_4-200.o): Likewise.
6786 ($(T)libic_invalidate_array_4-200.a): Likewise.
6787 (ic_invalidate_array_4a.o): Likewise.
6788 ($(T)libic_invalidate_array_4a.a): Likewise.
6789 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6790 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6792 * config/sh/crt1.asm: Merged in profiling code.
6793 * config/sh/superh.h (STARTFILE_SPEC): Override.
6794 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6795 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6796 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6798 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6799 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6800 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6802 * sh.opt (mpretend-cmove): New option.
6803 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6804 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6805 (movsicc): Add TARGET_PRETEND_CMOVE code.
6807 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6809 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6810 s390_class_max_nregs): New function prototypes.
6811 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6812 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6813 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6814 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6816 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6818 * dwarf2out.c (add_location_or_const_value_attribute): Call
6819 tree_add_const_value_attribute if nothing else works.
6820 (reference_to_unused): New.
6821 (rtl_for_decl_init): Use reference_to_unused to decide whether
6822 to output an initializer.
6824 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6827 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6828 peephole removing spe frob_di_df_2.
6830 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6832 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6833 (subscript_dependence_tester_1): Declared.
6834 (print_dir_vectors, print_dist_vectors): New.
6835 (debug_data_dependence_relation): New.
6836 (dump_data_dependence_relation): Print more details.
6837 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6838 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6839 (save_dist_v, save_dir_v, add_outer_distances,
6840 build_classic_dist_vector_1): New.
6841 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6842 Don't test for lambda_vector_lexico_pos.
6843 (same_access_functions, add_multivariate_self_dist,
6844 add_other_self_distances, dir_from_dist): New.
6845 (build_classic_dir_vector): Replace implementation almost identical to
6846 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6848 (subscript_dependence_tester_1): New.
6849 (subscript_dependence_tester): Handle the lexicographically negative
6850 distance vectors by recomputing the dependence relation.
6851 (compute_affine_dependence): Remove parameter loop_nest_depth.
6852 (compute_self_dependence): Don't call compute_subscript_distance.
6853 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6854 Add a parameter for the loop_nest.
6855 (find_loop_nest_1, find_loop_nest): New.
6856 (compute_data_dependences_for_loop): Compute the loop nest, and give
6857 up if the nest is not well formed.
6858 * tree-data-ref.h (loop_p): New.
6859 (struct data_dependence_relation): Replace size_vect field with
6860 loop_nest, a vec of loops.
6861 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6862 (DDR_LOOP_NEST): New.
6863 (print_dir_vectors, print_dist_vectors,
6864 debug_data_dependence_relation): Declared.
6865 (index_in_loop_nest): New.
6866 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6867 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6870 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6872 * simplify-rtx.c (simplify_relational_operation): Call
6873 simplify_relational_operation_1 even if mode is VOIDmode.
6875 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6877 PR tree-optimization/26804
6878 * tree.h (DECL_CALL_CLOBBERED): New macro.
6879 (tree_decl_common): Add call_clobbered_flag.
6880 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6881 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6882 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6883 (mark_non_addressable): Ditto.
6884 * tree-ssa.c (verify_call_clobbered): New function.
6885 (verify_alias_info): Use it.
6886 * tree-pass.h (pass_reset_cc_flags): New prototype.
6887 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6888 (reset_cc_flags): New function.
6889 * passes.c (init_optimization_passes): Call reset_cc_flags after
6890 initializing referenced_vars.
6892 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6893 Roger Sayle <roger@eyesopen.com>
6896 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6897 to 1.0 for non-real operands. Implement A / A optimization for
6900 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6902 * config/i386/i386.c (size_cost): Correct the comment for
6903 cost of storing fp registers.
6904 (i386_cost): Likewise.
6905 (i486_cost): Likewise.
6906 (pentium_cost): Likewise.
6907 (pentiumpro_cost): Likewise.
6908 (k6_cost): Likewise.
6909 (athlon_cost): Likewise.
6910 (k8_cost): Likewise.
6911 (pentium4_cost): Likewise.
6912 (nocona_cost): Likewise.
6913 (generic64_cost): Likewise.
6914 (generic32_cost): Likewise.
6916 2006-03-24 Denis Chertykov <denisc@overta.ru>
6918 * config/avr/avr-protos.h (extra_constraint): Delete.
6919 (extra_constraint_Q): New declaration.
6920 * config/avr/constraints.md: New file.
6921 * config/avr/avr.md: Include it.
6922 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6923 (TMP_REGNO, ZERO_REGNO): Likewise.
6924 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6925 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6926 (extra_constraint): Delete.
6927 (extra_constraint_Q): Test for memory constraint 'Q'.
6928 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6929 (REG_CLASS_FROM_LETTER): Delete.
6930 (CONST_OK_FOR_LETTER_P): Delete.
6931 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6932 (EXTRA_CONSTRAINT): Delete.
6933 (TMP_REGNO): Delete.
6934 (ZERO_REGNO): Delete.
6936 2006-03-24 Jeff Law <law@redhat.com>
6938 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6939 directly. Call mark_new_vars_to_rename slightly earlier.
6941 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6943 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6945 (gen_compile_unit_die): Use new language types for Objective-C and
6947 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6948 DW_LANG_C_plus_plus.
6951 * config/t-darwin (crt3.o): Work around bug 26840.
6952 * config/darwin-crt3.c: Rewrite.
6953 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6955 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6957 * doc/invoke.texi: Document -femit-class-debug-always
6958 * common.opt: Add -femit-class-debug-always.
6960 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6962 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6963 index and base register.
6964 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6965 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6966 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6967 REGNO_OK_FOR_INDEX_P.
6968 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6970 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6971 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6972 REG_OK_FOR_BASE_P): Definitions removed.
6974 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6977 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6978 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6979 set yet or weren't marked as local yet.
6981 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6983 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6986 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6988 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6989 (rs6000_legitimate_small_data_p): Delete.
6990 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6991 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6992 and make static. Add forward declaration. Update uses.
6993 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6994 of offsettable_memref_p.
6995 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6996 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6998 2006-03-24 Jeff Law <law@redhat.com>
7000 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7001 around bug in immediate-use iterator.
7003 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7006 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7007 or __LITTLE_ENDIAN__.
7009 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7011 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7012 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7013 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7014 * config/sh/sh.opt (mdiv=): Amend description.
7015 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7016 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7017 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7018 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7019 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7020 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7021 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7022 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7023 TARGET_DIVIDE_CALL_FP.
7025 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7027 * haifa-sched.c (choose_ready): Fix type of the local variable.
7028 Move local variables. Add comment.
7029 (check_reg_live): Change signature. Make callable from debugger.
7030 * sched-int.h (check_reg_live): Update signature.
7031 * sched-ebb.c (check_reg_live): Update parameters.
7032 * sched-rgn.c (check_reg_live): Ditto.
7033 (region_head_or_leaf_p): Check pointer before dereferencing.
7034 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7035 before reload on optimization levels below 1.
7037 2006-03-23 Richard Henderson <rth@redhat.com>
7039 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7043 * config/alpha/predicates.md (local_symbolic_operand): Reject
7046 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7049 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7050 expressions which have overflowed constants.
7052 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7054 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7056 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7058 * cfgloopmanip.c (create_loop_notes): Removed.
7059 * final.c (final_scan_insn): Do not handle loop notes.
7060 * jump.c (squeeze_notes): Ditto.
7061 * cfglayout.c (skip_insns_after_block,
7062 duplicate_insn_chain): Ditto.
7063 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7065 * cfgloop.h (create_loop_notes): Declaration removed.
7067 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7069 * varasm.c (output_constant_pool): Restore fnname and fndecl
7071 (assemble_start_function): Adjust call accordingly.
7072 (assemble_end_function): Likewise.
7074 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7077 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7080 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7082 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7085 * system.h (ICE_EXIT_CODE): New macro.
7086 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7087 (diagnostic_action_after_output): Likewise.
7088 * gcc.c (fatal_ice): New function.
7089 (execute): Use it instead of fatal.
7090 (fancy_abort): Likewise.
7091 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7093 2006-03-22 Jeff Law <law@redhat.com>
7095 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7096 iv_analyze_result returning false.
7098 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7100 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7102 2006-03-22 Richard Henderson <rth@redhat.com>
7105 * except.c (duplicate_eh_regions_0): New.
7106 (duplicate_eh_region_1): Duplicate the children of the node as
7107 well as the node itself. Link them up properly.
7108 (duplicate_eh_region_2): Merge into ...
7109 (duplicate_eh_regions): ... here. Take copy_region argument, and
7110 copy only a sub-tree if asked. Simplify copying and fixup.
7111 (eh_region_outer_p): New.
7112 * except.h (duplicate_eh_regions): Update decl.
7113 (eh_region_outer_p): Declare.
7114 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7115 (lower_omp_master): Likewise.
7116 (lower_omp_ordered): Likewise.
7117 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7118 (move_stmt_r): Use it to remap labels. Handle recursion vs
7119 remap_decls_p properly.
7120 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7121 (find_outermost_region_in_block): New.
7122 (new_label_mapper): New.
7123 (move_sese_region_to_fn): Copy eh information to the new function
7125 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7127 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7130 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7132 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7133 into shared libraries.
7135 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7137 * doc/md.texi: Refer to i386/constraints.md instead of
7139 * config/i386/constraints.md: New file, extracted from...
7140 * config/i386/predicates.md: ...here.
7141 * config/i386/i386.md: Include constraints.md.
7143 2006-03-21 Jason Merrill <jason@redhat.com>
7145 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7148 * expr.c (init_block_move_fn): Force default visibility.
7149 (init_block_clear_fn): Likewise.
7150 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7151 * targhooks.c (default_external_stack_protect_fail): Likewise.
7153 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7155 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7156 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7157 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7158 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7159 (loadgp): Use mips_current_loadgp_style.
7160 (loadgp_noshared): New pattern.
7161 (sibcall_internal): Use MIPS_CALL.
7162 (sibcall_value_internal): Likewise.
7163 (sibcall_value_multiple_internal): Likewise.
7164 (call_internal): Likewise.
7165 (call_value_internal): Likewise.
7166 (call_value_multiple_internal): Likewise.
7167 (call_split): Use MIPS_CALL and add an 'S' constraint.
7168 (call_value_split): Likewise.
7169 (call_value_multiple_split): Likewise.
7170 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7171 (-mshared): New option.
7172 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7173 (mips_current_loadgp_style): Declare.
7174 * config/mips/mips.c (mips_classify_symbol): Avoid using
7175 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7176 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7177 TARGET_ABSOLUTE_ABICALLS.
7178 (override_options): Adjust comments. Improve the warning that is
7179 issued when -mabicalls and -G are used together.
7180 (mips_file_start): Remove comment.
7181 (mips_current_loadgp_style): New function.
7182 (mips_gnu_local_gp): New variable.
7183 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7185 (mips_output_function_prologue): Use mips_current_laodgp_style.
7186 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7187 the cprestore instruction.
7188 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7189 live for TARGET_ABSOLUTE_ABICALLS.
7190 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7191 (ASM_SPEC): Pass down -mshared and -mno-shared.
7192 (MIPS_CALL): New macro.
7193 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7195 * doc/invoke.texi (-mabicalls): Update documentation.
7196 (-mshared): Document.
7198 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7200 * config/ia64/unwind-hpux.c: New file.
7201 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7203 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7206 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7208 2006-03-21 Jeff Law <law@redhat.com>
7210 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7211 type conversions of a VR_VARYING source to a wider type.
7213 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7215 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7216 tm_file on Solaris 10 and later.
7217 (sparc64-*-solaris2*): Likewise.
7218 (sparc-*-solaris2*): Likewise.
7219 * config/sol26.h: Rename to config/sol2-6.h.
7220 * config/sol2-10.h: New file.
7222 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7225 * tree-ssa-pre.c (create_component_ref_by_pieces):
7228 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7231 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7232 return it immediately.
7234 2006-03-21 Michael Matz <matz@suse.de>
7236 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7238 (remove_arc, add_arc): Update num_out_arcs member.
7239 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7241 (cache_presence): New function.
7242 (compare_states_for_equiv): New function.
7243 (state_is_differed): Don't take number of outargs, adjust callers.
7244 Use new invariant for speeding up.
7245 (init_equiv_class): Create initial classes based on sorted
7247 (partition_equiv_class): Don't track out_arcs_num.
7248 (evaluate_equiv_classes): Call cache_presence on all states and
7251 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7253 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7254 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7255 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7256 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7258 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7259 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7260 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7261 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7262 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7264 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7265 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7266 (REGNO_REG_CLASS): ARGP is in PREGS.
7267 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7269 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7270 to deal with those addresses.
7271 * addresses.h: New file.
7272 * caller-save.c: Include "addresses.h".
7273 (init_caller_save): Use new base_reg_class function.
7274 * rtl-factoring.c: Include "addresses.h".
7275 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7276 * recog.c: Include "addresses.h".
7277 (preprocess_constraints): Use new base_reg_class function.
7278 * regrename.c: Include "addresses.h".
7279 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7280 functions. Keep track of a new var INDEX_CODE to compute valid
7282 (replace_oldest_value_addr): Likewise.
7283 (replace_oldest_value_mem): Use base_reg_class.
7284 * reload.c: Include "addresses.h".
7285 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7286 (find_reloads): Use new base_reg_class function.
7287 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7288 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7289 all callers and prototype changed.
7290 * reload1.c: Include "addresses.h".
7291 (maybe_fix_stack_asms): Use base_reg_class.
7292 * regclass.c: Include "addresses.h".
7293 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7294 (init_reg_autoinc): Use new base_reg_class function.
7295 (record_reg_classes): Likewise.
7296 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7297 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7298 Use new args to compute necessary class.
7300 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7301 regrename.o, rtl-factoring.o): Update dependencies.
7302 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7303 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7304 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7305 REG_OK_FOR_INDEX_P): Delete documentation.
7307 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7309 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7310 from V7 to V9 for Solaris 7 and above.
7312 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7314 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7315 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7316 argument pointers may not alias any other storage.
7317 * common.opt: Define option -fargument-noalias-anything.
7318 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7319 alias semantics is specified by flag_argument_noalias > 2.
7321 2006-03-20 Jeff Law <law@redhat.com>
7323 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7324 (pass_phi_only_cprop): Declare.
7325 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7327 * tree-ssa-dom.c (degenerate_phi_result): New function.
7328 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7329 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7330 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7331 (eliminate_degenerate_phis): Likewise.
7332 (pass_phi_only_cprop): New pass descriptor.
7333 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7334 support code. Callers updated.
7335 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7336 (store_copy_prop): Likewise.
7337 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7339 2006-03-20 Jason Merrill <jason@redhat.com>
7342 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7343 (push_visibility, pop_visibility): Likewise.
7344 * c-pragma.h: Declare them.
7346 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7348 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7350 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7351 parameter and use get_ebb_head_tail.
7352 (sh_md_init_global): Adjust uses of find_regmode_weight.
7354 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7356 * function.h (struct function) <x_tail_recursion_reentry>:
7357 Rename to x_stack_check_probe_note.
7358 (tail_recursion_reentry): Rename to stack_check_probe_note.
7359 * function.c: Replace tail_recursion_reentry with
7360 stack_check_probe_note everywhere.
7361 (expand_function_start): Only emit a note for
7362 stack_check_probe_note with -fstack-protect.
7363 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7365 * emit-rtl.c (remove_unnecessary_notes): Remove.
7366 (pass_remove_unnecessary_notes): Remove.
7367 * rtl.h (remove_unnecessary_notes): Remove prototype.
7368 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7369 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7370 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7372 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7375 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7376 (valid_in_set): Handle ARRAY_REF.
7377 Change "if min_variant or VH" to asserts.
7378 (create_component_ref_by_pieces): Handle ARRAY_REF.
7379 (create_expression_by_pieces): Likewise.
7380 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7382 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7384 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7385 is operand of switch, not str[0].
7387 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7389 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7390 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7392 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7394 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7395 end of insn_extra_address_constraint declaration.
7397 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7399 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7400 (no-sum-in-toc): Same.
7401 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7403 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7404 NO_FP_IN_TOC for -fPIC instead of mask.
7406 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7407 (BOOT_LDFLAGS): Delete.
7409 * config/rs6000/t-aix52: Same.
7411 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7412 (stmsi[345678]_power): New.
7414 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7416 * config/ia64/ia64.opt: Add empty line to end of file.
7418 2006-03-17 Richard Guenther <rguenther@suse.de>
7421 * builtins.c (get_pointer_alignment): For component style references
7422 adjust alignment to the component type alignment. Make sure
7423 to adjust alignment for component access of constants.
7425 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7427 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7430 2006-03-17 Paul Brook <paul@codesourcery.com>
7432 * doc/install.texi: Docuemnt --with-mode.
7433 * config.gcc: Add --with-mode for arm*-*-*.
7434 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7436 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7438 * sh.c (max_labelno_before_reorg): New variable.
7439 (sh_reorg): Initialize it.
7440 (find_barrier): Check max_labelno_before_reorg before using
7441 label_to_alignment. Take length of explicit alignment insns
7442 into account. When seeing a UNSPECV_CONST_END, return it.
7444 * sh.c (fixup_mova): Set mode of affected label to QImode.
7445 (untangle_mova): New function.
7446 (find_barrier): Use it. Check mode of label before decrementing
7448 (sh_reorg): Likewise.
7449 Set mode of all insns back to VOIDmode.
7451 * sh.c (MOVA_LABELREF): New macro.
7452 (mova_p, fixup_mova, sh_reorg): Use it.
7453 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7454 ADDR_DIFF_VEC matches mova.
7456 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7458 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7459 with ATTRIBUTE_UNUSED.
7461 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7463 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7464 pointer, instead of assuming it is possible to derive the
7465 correct args size from a call insn.
7467 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7469 * rtl.h (CONST_INT_P): Define.
7470 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7471 instead of GET_CODE(x) == CONST_INT.
7472 (vax_rtx_costs): Likewise.
7473 (vax_output_int_move): Likewise.
7474 (vax_output_int_add): Likewise.
7475 (legitimate_constant_address_p): Likewise.
7476 (index_term_p): Likewise.
7477 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7478 * config/vax/vax.md (and<mode>3): Likewise.
7479 (ashrsi3): Likewise.
7481 (movstricthi): Likewise.
7482 (movstrictqi): Likewise.
7483 (rotrsi3): Likewise.
7484 (five unnamed insns): Likewise.
7486 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7488 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7489 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7490 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7491 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7492 Pass to ASM_OUTPUT_DWARF_OFFSET.
7493 * dwarf2out.c (debug_frame_section): New.
7494 (output_call_frame_info): Use debug_frame_section. Pass it to
7495 dw2_asm_output_offset.
7496 (output_die): Pass appropriate section to dw2_asm_output_offset.
7497 (output_compilation_unit_header): Likewise.
7498 (output_pubnames): Likewise.
7499 (output_aranges): Likewise.
7500 (enum dw_val_class): Break dw_val_class_lbl_offset into
7501 dw_val_class_lineptr and dw_val_class_macptr.
7502 (add_AT_lbl_offset): Delete.
7503 (add_AT_lineptr): New.
7504 (add_AT_macptr): New.
7505 (AT_lbl): Expect a lineptr or macptr.
7506 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7507 (attr_checksum): Likewise.
7508 (same_dw_val_p): Likewise.
7509 (size_of_die): Likewise.
7510 (value_format): Likewise.
7511 (output_die): Likewise.
7512 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7514 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7515 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7516 * config/darwin-protos.h (darwin_file_start): New.
7517 (darwin_asm_output_dwarf_offset): New.
7518 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7519 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7521 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7522 if not EH section; simplify.
7523 (darwin_file_start): New.
7524 (darwin_asm_output_dwarf_offset): New.
7525 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7527 (DEBUG_INFO_SECTION): Likewise.
7528 (DEBUG_ABBREV_SECTION): Likewise.
7529 (DEBUG_ARANGES_SECTION): Likewise.
7530 (DEBUG_MACINFO_SECTION): Likewise.
7531 (DEBUG_LINE_SECTION): Likewise.
7532 (DEBUG_LOC_SECTION): Likewise.
7533 (DEBUG_PUBNAMES_SECTION): Likewise.
7534 (DEBUG_STR_SECTION): Likewise.
7535 (DEBUG_RANGES_SECTION): Likewise.
7536 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7537 (ASM_OUTPUT_DWARF_OFFSET): New.
7539 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7541 * config.gcc (tm_defines): Always add to previous value rather
7544 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7546 * config/mips/predicates.md (splittable_const_int_operand): New,
7547 split from move_operand.
7548 (splittable_symbolic_operand): New.
7549 (move_operand): Add commentary. Use splittable_const_int_operand.
7550 Inline mips_atomic_symbolic_constant_p.
7551 * config/mips/mips.md: Add combine splitters for handling moves
7552 of splittable_const_int_operands and splittable_symbolic_operands.
7553 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7554 (mips_split_symbol): Declare.
7555 (mips_move_integer): Declare.
7556 * config/mips/mips.c (mips_split_p): Make global.
7557 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7558 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7559 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7560 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7561 (mips_offset_within_object_p): Handle block symbols.
7562 (mips_atomic_symbolic_constant_p): Delete.
7563 (mips_cannot_force_const_mem): Return false for constants that
7564 mips_legitimize_move can handle.
7565 (mips_use_blocks_for_constant_p): New function.
7566 (mips_split_symbol): Make global.
7567 (mips_move_integer): Likewise. Add a temporary register argument.
7568 (mips_legitimize_const_move): Use splittable_const_int_operand and
7569 splittable_symbolic_operand.
7570 (mips_use_anchors_for_symbol_p): New function.
7571 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7572 (mips_split_p): Declare.
7574 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7576 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7577 (mips*-*-linux*): Likewise.
7579 2006-03-16 Roger Sayle <roger@eyesopen.com>
7580 Daniel Speyer <dspeyer@wam.umd.edu>
7583 * tree-dump.c (dump_real): New function.
7584 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7585 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7586 (tree-dump.o): Add $(REAL_H) to the dependencies.
7588 2006-03-16 Roger Sayle <roger@eyesopen.com>
7591 * real.c (real_from_string): If the mantissa is zero, don't bother
7592 parsing the exponent as the result should always be zero.
7594 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7596 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7598 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7600 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7601 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7602 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7603 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7604 ia64_sched_finish_global): New static functions to implement
7605 hooks from gcc_target.sched.
7606 (spec_check_no, max_uid, pending_data_specs): New static variables.
7607 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7608 ia64_spec_check_src_p): New static functions.
7609 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7610 (TARGET_SCHED_ADJUST_COST): Removed.
7611 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7612 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7613 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7614 TARGET_SCHED_GEN_CHECK,
7615 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7616 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7617 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7618 Fixed to handle speculation checks.
7619 (rtx_needs_barrier): Fixed to handle speculative loads and
7621 (ia64_variable_issue): Added code to count speculative loads and their
7623 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7625 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7627 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7629 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7630 (ia64_reorg): Reset stops_p to NULL after it is freed.
7631 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7632 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7633 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7635 (data_speculative, control_speculative, check_load): New attributes.
7636 (mov<mode>_advanced, mov<mode>_speculative,
7637 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7638 zero_extend<mode>di2_speculative,
7639 zero_extend<mode>di2_speculative_advanced): New patterns for
7640 data and control speculative loads.
7641 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7643 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7644 New pattern for data and control speculation checks.
7645 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7646 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7647 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7648 Auxiliary definitions for the patterns.
7649 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7650 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7652 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7654 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7655 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7656 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7657 New resource constraints.
7658 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7660 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7661 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7662 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7663 msched-in-control-spec, msched-ldc, msched-control-ldc,
7664 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7665 msched-prefer-non-control-spec-insns,
7666 msched-count-spec-in-critical-path): New flags to tune speculative
7668 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7669 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7670 msched-in-control-spec, msched-ldc, msched-control-ldc,
7671 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7672 msched-prefer-non-control-spec-insns,
7673 msched-count-spec-in-critical-path): Document new flags.
7675 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7677 * target.h (struct spec_info_def): New opaque declaration.
7678 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7679 speculate_insn, needs_block_p, gen_check,
7680 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7681 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7682 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7683 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7684 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7685 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7687 (TARGET_SCHED): Use new macros.
7688 * rtl.h (copy_DEPS_LIST_list): New prototype.
7689 * sched-int.h (struct sched_info): Change signature of new_ready field,
7690 adjust all initializations. New fields: add_remove_insn,
7691 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7692 region_head_or_leaf_p.
7693 (struct spec_info_def): New structure declaration.
7694 (spec_info_t): New typedef.
7695 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7696 recovery_block, orig_pat.
7697 (glat_start, glat_end): New variables declaraions.
7698 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7700 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7701 DETACH_LIFE_INFO, USE_GLAT.
7702 (enum SPEC_SCHED_FLAGS): New enumeration.
7703 (NOTE_NOTE_BB_P): New macro.
7704 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7705 attach_life_info, debug_spec_status, check_reg_live): New functions.
7706 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7707 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7709 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7710 * ddg.c (get_block_head_tail): Adjust all uses.
7711 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7712 (sms_sched_info): Initialize new fields.
7713 (contributes_to_priority): Removed.
7714 * haifa-sched.c (params.h): New include.
7715 (get_block_head_tail): Adjust all uses.
7716 (ISSUE_POINTS): New macro.
7717 (glat_start, glat_end): New global variables.
7718 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7719 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7720 old_last_basic_block, before_recovery, current_sched_info_var,
7721 rgn_n_insns, luid): New static variables.
7722 (insn_cost1): New function. Move logic from insn_cost to here.
7723 (find_insn_reg_weight1): New function. Move logic from
7724 find_insn_reg_weight to here.
7725 (reemit_notes, move_insn, max_issue): Change signature.
7726 (move_insn1): Removed.
7727 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7728 extend_bb): New static functions to support extension of scheduler's
7730 (generate_recovery_code, process_insn_depend_be_in_spec,
7731 begin_speculative_block, add_to_speculative_block,
7732 init_before_recovery, create_recovery_block, create_check_block_twin,
7733 fix_recovery_deps): New static functions to support
7734 generation of recovery code.
7735 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7736 restore_bb_notes, move_block_after_check, move_succs): New static
7737 functions to support ebb scheduling.
7738 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7739 functions to support handling of register live information.
7740 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7741 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7742 add_jump_dependencies): New static functions.
7743 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7744 consistancy checking.
7745 (debug_spec_status): New function to call from debugger.
7746 (priority): Added code to handle speculation checks.
7747 (rank_for_schedule): Added code to distinguish speculative instructions.
7748 (schedule_insn): Added code to handle speculation checks.
7749 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7750 Fixed to handle ebbs.
7751 (move_insn): Added code to handle ebb scheduling.
7752 (max_issue): Added code to use ISSUE_POINTS of instructions.
7753 (choose_ready): Added code to choose between speculative and
7754 non-speculative instructions.
7755 (schedule_block): Added code to handle ebb scheduling and scheduling of
7756 speculative instructions.
7757 (sched_init): Initialize new variables.
7758 (sched_finish): Free new variables. Print statistics.
7759 (try_ready): Added code to handle speculative instructions.
7760 * lists.c (copy_DEPS_LIST_list): New function.
7761 * sched-deps.c (extend_dependency_caches): New function. Move logic
7762 from create_dependency_caches to here.
7763 (get_dep_weak, ds_merge): Make global.
7764 * genattr.c (main): Code to output prototype for
7765 dfa_clear_single_insn_cache.
7766 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7767 (output_dfa_clean_insn_cache_func): Code to output
7768 dfa_clear_single_insn_cache function.
7769 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7771 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7773 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7774 New static variables.
7775 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7776 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7778 (ebb_sched_info): Initialize new fields.
7779 (get_block_head_tail): Adjust all uses.
7780 (compute_jump_reg_dependencies): Fixed to use glat_start.
7781 (schedule_ebb): Code to remove unreachable last block.
7782 (schedule_ebbs): Added code to update register live information.
7783 * sched-rgn.c (region_sched_info): Initialize new fields.
7784 (get_block_head_tail): Adjust all uses.
7785 (last_was_jump): Removed. Adjust users.
7786 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7787 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7788 Implement new hooks.
7789 (check_dead_notes1): New static function.
7790 (struct region): New fields: dont_calc_deps, has_real_ebb.
7791 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7792 (BB_TO_BLOCK): Fixed to handle EBBs.
7793 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7794 (ebb_head): New static variable.
7795 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7796 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7798 (compute_dom_prob_ps): New assertion.
7799 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7800 global_live_at_start.
7801 (init_ready_list): New assertions.
7802 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7803 (new_ready): Add support for BEGIN_CONTROL speculation.
7804 (schedule_insns): Fixed code that updates register live information
7806 (schedule_region): Fixed to handle EBBs.
7807 (init_regions): Use extend_regions and check_dead_notes1.
7808 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7809 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7810 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7811 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7812 TARGET_SCHED_GEN_CHECK,
7813 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7814 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7815 * doc/invoke.texi (max-sched-insn-conflict-delay,
7816 sched-spec-prob-cutoff): Document.
7818 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7820 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7821 inter_tick, queue_index.
7822 (struct sched_info): Change signature of init_ready_list field.
7823 Adjust all initializations.
7824 (RESOLVED_DEPS): New access macro.
7825 (ready_add): Remove prototype.
7826 (try_ready): Add prototype.
7827 * sched-rgn.c (init_ready_list): Use try_ready.
7828 (schedule_region): Initialize
7829 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7830 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7831 (init_ready_list): Use try_ready.
7832 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7833 * lists.c (remove_list_elem): Remove `static'.
7834 (remove_free_INSN_LIST_elem): New function.
7835 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7836 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7837 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7839 (readyp): New variable.
7840 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7841 change_queue_index, resolve_dep): New static functions.
7842 (try_ready): New function. Adjust callers in sched-rgn.c and
7843 sched-ebb.c to use it instead of ready_add.
7844 (clock_var): Move at the begining of file.
7845 (rank_for_schedule): Fix typo.
7846 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7847 (ready_lastpos): Enforce assertion.
7848 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7850 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7851 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7852 (queue_to_ready): Use free_INSN_LIST_list.
7853 (early_queue_to_ready): Fix typo.
7854 (schedule_block): Init readyp. Move init_ready_list call after the
7855 initialization of clock_var. Fix error in rejecting insn by
7856 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7857 that previously corrected INSN_TICKs. Add code for handling
7859 (set_priorities): Fix typo.
7860 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7861 Clarify comment and code that keeps current_sched_info->next_tail
7864 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7866 * sched-rgn.c (extend_rgns): New static function.
7867 (find_rgns): Use it.
7868 (gather_region_statistics, print_region_statistics): New static
7870 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7871 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7873 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7874 Andrey Belevantsev <abel@ispras.ru>
7876 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7877 * lists.c (unused_deps_list): New variable.
7878 (free_list): Add assertions to verify the proper distinguishing
7879 between INSN_LISTs and DEPS_LISTs.
7880 (find_list_elem, remove_list_elem, remove_list_node): New static
7882 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7883 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7884 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7885 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7887 (free_INSN_LIST_node): Likewise.
7888 * modulo-sched.c (current_sched_info): Initialize flags field.
7889 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7890 * rtl.def (DEPS_LIST): Define.
7891 * rtl.h: Declare new functions from lists.c.
7892 * sched-deps.c (spec_dependency_cache): New static variable.
7893 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7894 (add_dependence): Change return type to void. Move the logic to ...
7895 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7896 (delete_all_dependences): Add comment about forward_dependency_cache.
7897 Handle spec_dependency_cache. Handle DEPS_LISTs.
7898 (fixup_sched_groups): Clarify the change of priority of output
7899 and anti dependencies.
7900 (sched_analyze_2): Adjust add_dependence calls to create data
7901 speculative dependence.
7902 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7903 Adjust all callers. Handle DEPS_LISTS.
7904 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7905 presence of speculation.
7906 (init_dependency_caches, free_dependency_caches):
7907 Handle spec_dependency_cache.
7908 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7909 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7910 New static functions.
7911 (add_or_update_back_dep, add_or_update_back_forw_dep,
7912 add_back_forw_dep, delete_back_forw_dep): New functions.
7913 * sched-int.h (ds_t, dw_t): New typedefs.
7914 (struct sched_info): Add new field flags.
7915 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7916 Prototype new sched-deps.c functions.
7917 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7918 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7919 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7920 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7921 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7922 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7924 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7926 * sched-rgn.c (current_sched_info): Initialize flags field.
7927 (schedule_insns): Initialize current_sched_info before the sched_init
7929 * sched-ebb.c (current_sched_info): Initialize flags field.
7930 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7931 Call add_or_update_back_dep instead of add_dependence.
7932 Create control speculative dependencies.
7933 (schedule_insns): Initialize current_sched_info before the sched_init
7936 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7938 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7940 (sh_fallback_frame_state): Likewise.
7942 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7944 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7945 Do switch on default_use_cxa_atexit.
7946 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7947 * config/darwin-crt3.o: New.
7948 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7949 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7950 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7952 * config/rs6000/t-darwin: Move crt2.o building to here.
7953 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7954 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7957 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7959 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7960 from '! xxx' to '!xxx' for coding-style conformance.
7961 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7962 (EXTRA_CONSTRAINT): Likewise.
7963 * config/vax/vax.md (four unnamed insns): Likewise.
7965 2006-03-15 Paul Brook <paul@codesourcery.com>
7967 * config/arm/arm.c (minipool_pad): New.
7968 (add_minipool_forward_ref): Include pool alignment padding in address
7970 (push_minipool_fix): Set minipool_pad.
7971 (minipool_pad): Ditto.
7973 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7975 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7976 instead of GET_CODE() == MEM and REG_P() instead of
7978 (print_operand_address): Likewise.
7979 (vax_address_cost): Likewise.
7980 (vax_rtx_costs): Likewise.
7981 (vax_notice_update_cc): Likewise.
7982 (vax_output_int_add): Likewise.
7983 (INDEX_REGISTER_P): Likewise.
7984 (BASE_REGISTER_P): Likewise.
7985 (nonindexed_address_p): Likewise.
7986 (vax_mode_dependent_address_p): Likewise.
7987 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7988 (PRINT_OPERAND): Likewise.
7989 * config/vax/vax.md (ashlsi3): Likewise.
7990 (ashlsi3): Likewise.
7991 (some more unnamed insns): Likewise.
7993 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7995 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7996 iterator-style macro.
7997 (mark_control_dependent_edges_necessary): Update the use of
7998 EXECUTE_IF_CONTROL_DEPENDENT.
8000 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8002 * config/sh/predicates.md (cache_address_operand): Special.
8003 (ua_address_operand): Likewise.
8005 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8007 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8009 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8011 2006-03-15 Andreas Schwab <schwab@suse.de>
8013 * gensupport.c (identify_predicable_attribute): Don't free p_false
8014 when it is still in use.
8016 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8018 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8019 the default setting here.
8021 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8023 * tree-pass.h (pass_cfg): Remove.
8024 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8025 * passes.c (pass_cfg): Don't run it.
8027 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8029 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8030 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8032 (stack_regs_mentioned): Update the uses of
8033 stack_regs_mentioned_data. Don't access the array beyond its
8035 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8036 Don't include gt-reg-stack.h.
8038 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8039 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8041 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8044 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8047 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8049 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8051 2006-03-14 Richard Guenther <rguenther@suse.de>
8053 PR tree-optimization/26672
8054 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8057 2006-03-14 Richard Guenther <rguenther@suse.de>
8059 PR tree-optimization/26667
8060 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8061 node for the callees. Always allow inlining if it will shrink
8064 2006-03-14 Richard Guenther <rguenther@suse.de>
8067 * builtins.c (get_pointer_alignment): Prefer alignment
8068 information from decls over that from types.
8070 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8073 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8075 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8077 * config/rs6000/rs6000.opt (mdlmzb): New option.
8078 (msched-prolog, msched-epilog): Use Var not Mask.
8079 * doc/invoke.texi (-mdlmzb): Document.
8080 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8082 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8083 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8085 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8087 PR rtl-optimization/25739
8088 * bt-load.c (augment_live_range): Free tos pointer.
8090 * gensupport.c (identify_predicable_attribute): Free
8092 * gcov.c (create_file_names): Free name pointer.
8094 2006-03-13 Roger Sayle <roger@eyesopen.com>
8097 * stmt.c (emit_case_nodes): Handle the case where the index is a
8098 CONST_INT, where the comparison mode is specified by the index type.
8100 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8102 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8105 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8107 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8108 (*branch_fp_inverted): Likewise.
8110 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8113 * omp-low.c (expand_omp_for_generic): Mark istart0
8114 and iend0 as addressable.
8116 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8118 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8120 2006-03-13 Jeff Law <law@redhat.com>
8122 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8123 virtual operands are interesting.
8124 (vrp_visit_stmt): Corresponding changes.
8126 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8128 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8130 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8131 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8132 * config/bfin/crti.S: Use it instead of __PIC__.
8133 * config/bfin/crtn.S: Likewise.
8135 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8136 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8138 Lose 'G' modifier for call operand.
8139 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8140 recognize 'G' modifier.
8142 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8145 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8146 * stmt.c (expand_case): Likewise.
8148 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8150 PR rtl-optimization/26254
8151 * loop-invariant.c (seq_insns_valid_p): New function.
8152 (move_invariant_reg): Only emit new code if it is valid.
8154 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8156 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8158 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8159 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8160 (commit_one_edge_insertion): Do not look for loop notes.
8162 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8164 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8165 flag_test_coverage out of loop.
8167 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8169 * final.c (shorten_branches): Remove outdated comment, and turn
8170 the if branch that guards it to continue.
8172 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8174 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8175 * cfgloop.h (struct loop): Remove unused fields.
8177 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8179 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8180 (-dL, -fdump-rtl-loop2): Update the dump file names
8182 * doc/invoke.texi: Update dump file names.
8184 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8186 * predict.c (estimate_probability): Remove.
8187 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8188 * basic-block.h (estimate_probability): Remove prototype.
8189 * passes.c (finish_optimization_passes): Dump branch prediction or
8190 profiling heuristics to the .profile tree dump.
8191 (init_optimization_passes): Unqueue pass_branch_prob.
8193 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8195 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8197 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8198 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8200 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8202 * function.h (frame_offset_overflow): Declare.
8203 * function.c (frame_offset_overflow): New function.
8204 (assign_stack_local_1): Call it to detect that the offset overflows.
8205 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8207 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8209 * config/sh/sh.c: Include alloc-pool.h.
8210 (label_ref_list_pool): New alloc pool.
8211 (label_ref_list_t): New type for lists of labels.
8212 (struct pool_node): Make wend a label_ref_list_t.
8213 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8215 (dump_table): Likewise.
8216 (sh_reorg): Set up the alloc pool before using add_constant and
8217 dump_table, and destroy it when finishing.
8219 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8221 * config/mips/mips.c: Remove redundant comment.
8223 2006-03-10 Jason Merrill <jason@redhat.com>
8226 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8227 the target was declared 'register'.
8229 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8231 * genpreds.c (write_insn_constraint_len): Change definition of
8232 insn_constraint_len to return size_t to match the declaration.
8234 2006-03-10 DJ Delorie <dj@redhat.com>
8236 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8238 (m32c_expand_insv): Fix test for an AND mask.
8240 2006-03-10 Richard Guenther <rguenther@suse.de>
8243 * builtins.c (get_pointer_alignment): Handle component
8244 references for field alignment.
8246 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8248 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8249 when building with libgloss.
8250 (sh*elf): Implement --without-fp option.
8251 (sh64-superh-linux*): Don't multilib.
8253 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8255 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8257 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8259 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8260 Set it when one of the replacement functions returned true.
8261 Return TODO_cleanup_cfg if cfgchanged is true.
8262 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8264 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8266 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8267 instead of gen_lowpart.
8269 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8271 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8273 (mips_output_order_conditional_branch): Declare.
8274 * config/mips/mips.h (MIPS_BRANCH): New macro.
8275 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8276 for the comparison. Use gen_condjump.
8277 (mips_output_conditional_branch): Rework interface to take the
8278 asm templates for a direct branch and the inverse of a direct branch.
8279 (mips_output_order_conditional_branch): New function.
8280 (mips_builtin_branch_and_move): New function.
8281 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8282 branch condition. Use gen_single_cc as the condition for
8283 __builtin_mips_upper_* or __builtin_mips_lower_*.
8284 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8285 Use VOIDmode for the branch condition.
8286 * config/mips/predicates.md (order_operator): New predicate.
8287 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8288 (branch_fp): Rename to...
8289 (*branch_fp): ...this. Remove mode from comparison operator.
8290 Use new mips_output_conditional_branch interface.
8291 (branch_fp_inverted): Rename to...
8292 (*branch_fp_inverted): ...this and update as for *branch_fp.
8293 (*branch_zero<mode>): Rename to...
8294 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8295 Use mips_output_order_conditional_branch. Only accept ordered
8297 (*branch_zero<mode>_inverted): Rename to...
8298 (*branch_order<mode>_inverted): ...this and update as for
8299 *branch_order<mode>.
8300 (*branch_equality<mode>): Accept zero as the second operand to
8301 the equality operator. Use the new mips_output_conditional_branch
8303 (*branch_equality<mode>_inverted): Likewise.
8304 (condjump): New expander.
8305 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8307 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8308 (bc1any2t, bc1any2f): Likewise.
8309 (single_cc): New expander.
8310 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8312 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8314 * doc/md.texi: Update documentation of MIPS constraints.
8315 * config/mips/constraints.md: New file.
8316 * config/mips/mips.md: Include it.
8317 * config/mips/mips.c (mips_char_to_class): Delete.
8318 (override_options): Don't initialize mips_char_to_class.
8319 * config/mips/mips.h (mips_char_to_class): Delete.
8320 (REG_CLASS_FROM_LETTER): Delete.
8321 (CONST_OK_FOR_LETTER_P): Delete.
8322 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8323 (EXTRA_CONSTRAINT_Y): Delete.
8324 (EXTRA_CONSTRAINT_STR): Delete.
8325 (CONSTRAINT_LEN): Delete.
8326 (EXTRA_MEMORY_CONSTRAINT): Delete.
8328 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8330 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8331 original fn's eh regions.
8333 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8335 * fold-const.c (build_range_check): Make sure to use a valid type to
8336 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8339 (range_predecessor): New static function.
8340 (range_successor): Likewise.
8341 (merge_ranges): Use them to compute predecessors and successors of
8344 2006-03-09 Roger Sayle <roger@eyesopen.com>
8347 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8348 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8350 2006-03-08 DJ Delorie <dj@redhat.com>
8352 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8353 (addpsi3): Expand to include memory operands. Remove
8354 reload-specific splits.
8355 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8356 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8357 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8358 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8359 (shift1_qi, shift1_hi, insv): New.
8360 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8361 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8362 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8364 * config/m32c/m32c-protos.h: Update as needed.
8365 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8366 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8367 Fail for unrecognized R* constraints.
8368 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8369 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8370 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8372 (m32c_init_libfuncs): New.
8373 (m32c_legitimate_address_p): Add debug wrapper.
8374 (m32c_rtx_costs): New.
8375 (m32c_address_cost): New.
8376 (conversions): Add 'B' prefix.
8377 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8378 operands, or word regnames for QI operands. 'B' prints bit
8380 (m32c_expand_setmemhi): New.
8381 (m32c_expand_movmemhi): New.
8382 (m32c_expand_movstr): New.
8383 (m32c_expand_cmpstr): New.
8384 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8385 (m32c_expand_neg_mulpsi3): Handle non-ints.
8386 (m32c_cmp_flg_0): New.
8387 (m32c_expand_movcc): New.
8388 (m32c_expand_insv): New.
8389 (m32c_scc_pattern): New.
8390 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8391 a0/a1 out of SIregs.
8392 (STORE_FLAG_VALUE): New.
8393 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8396 * config/m32c/mov.md: Make constraints more liberal.
8397 (zero_extendqihi2): Optimize r0/r1 case.
8398 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8399 * config/m32c/predicates.md (m32c_any_operand): New.
8400 (m32c_nonimmediate_operand): New.
8401 (m32c_hl_operand): New.
8402 (m32c_r3_operand): New.
8405 (memsym_operand): New.
8406 (memimmed_operand): New.
8407 (a_qi_operand): New.
8408 (m32c_eqne_operator): New.
8409 (m32c_1bit8_operand): New.
8410 (m32c_1bit16_operand): New.
8411 (m32c_1mask8_operand): New.
8412 (m32c_1mask16_operand): New.
8413 * config/m32c/blkmov.md: New file.
8414 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8416 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8418 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8419 unsigned to fix signed/unsigned comparison issue in
8420 DWARF2_FRAME_REG_OUT.
8421 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8422 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8424 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8425 of ptr into the ENABLE_CHECKING section.
8427 2006-03-08 Jeff Law <law@redhat.com>
8429 * tree-vrp.c (infer_value_range): Only count pointer uses
8430 and dereferences if -fdelete-null-pointer-checks is enabled.
8432 * tree-vrp.c (find_assert_locations): Infer value ranges for
8433 single use pointers, but do not create ASSERT_EXPRs for them.
8434 When a non-null range is inferred for a pointer, backwards
8435 propagate that range to other equivalent pointers through the
8438 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8441 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8442 language hook targets.
8443 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8444 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8445 if language hook targets were missing.
8447 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8449 * tree-ssa-opfinalize.h: Removed.
8450 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8452 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8453 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8454 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8455 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8456 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8457 finalize_ssa_v_must_def_ops): New.
8459 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8461 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8464 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8466 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8468 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8469 addresses with offsets; reorganize.
8471 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8472 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8473 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8475 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8478 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8480 2006-03-08 Ben Elliston <bje@au.ibm.com>
8482 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8484 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8487 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8490 2006-03-07 Richard Guenther <rguenther@suse.de>
8492 PR tree-optimization/26587
8493 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8495 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8497 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8499 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8501 * hooks.c (hook_bool_mode_rtx_true): New function.
8502 * hooks.h (hook_bool_mode_rtx_true): Declare.
8503 * toplev.c (compile_file): Call output_shared_constant_pool.
8504 * varasm.c (shared_constant_pool): New variable.
8505 (assemble_start_function, assemble_end_function): Remove arguments
8506 from call to output_constant_pool.
8507 (create_constant_pool): New function, split out from...
8508 (init_varasm_status): ...here.
8509 (force_const_mem): Choose between the shared and per-function constant
8510 pools. Set current_function_uses_const_pool when reusing old entries
8511 as well as when creating new ones.
8512 (mark_constant): Ignore data argument.
8513 (mark_constants): Remove pool argument.
8514 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8515 to decide whether the function uses a constant pool.
8516 (output_constant_pool_contents): New function, split out from...
8517 (output_constant_pool): ...here.
8518 (output_shared_constant_pool): New function.
8519 (init_varasm_once): Initialize shared_constant_pool.
8520 * output.h (output_constant_pool): Delete.
8521 (output_shared_constant_pool): Declare.
8522 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8523 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8525 2006-03-06 Nick Clifton <nickc@redhat.com>
8527 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8528 flag_strength_reduce.
8530 2006-03-06 Ben Elliston <bje@au.ibm.com>
8532 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8533 x86_64-*-linux* configurations.
8535 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8536 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8538 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8540 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8542 * basic-block.h: Remove the extern for
8543 rediscover_loops_after_threading.
8545 * cfgloop.c (cancel_loop): Make it static.
8546 * cfgloop.h: Remove the prototype for cancel_loop.
8548 * flow.c (recompute_reg_usage): Make it static.
8549 * rtl.h: Remove the prototype for recompute_reg_usage.
8551 * function.c (use_return_register): Make it static.
8552 * function.h: Remove the prototype.
8554 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8556 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8558 * recog.h: Remove the prototype for
8559 validate_change_maybe_volatile.
8561 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8563 * rtlanal.c (replace_reg): Remove.
8564 * rtl.h: Remove the prototype for replace_reg.
8566 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8568 * regclass.c (reg_scan_update): Remove.
8569 (reg_scan_mark_refs): Remove the last argument.
8570 * rtl.h: Remove the prototype for reg_scan_update.
8572 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8574 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8575 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8576 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8577 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8578 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8579 loop-invariant.c, omp-low.c, opts.c, passes.c,
8580 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8581 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8582 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8583 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8584 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8585 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8587 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8589 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8590 * dwarf2out.h: Remove the prototype for
8591 dwarf2out_add_library_unit_info.
8593 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8595 * tree.c (add_var_to_bind_expr): Remove.
8596 * tree.h: Remove the prototype for add_var_to_bind_expr.
8598 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8600 * regclass.c (n_non_fixed_regs): Remove.
8601 (init_reg_sets_1, globalize_reg): Remove all uses of
8603 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8605 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8607 * rtlanal.c (insns_safe_to_move_p): Remove.
8608 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8610 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8612 * expmed.c (expand_mult_add): Remove.
8613 * expr.h: Remove the prototype for expand_mult_add.
8615 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8617 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8618 and REG_SAVED_VAL_EXP constants.
8619 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8620 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8621 Handle regs stored by value.
8622 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8623 (execute_cfa_program): Handle DW_CFA_val_offset,
8624 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8625 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8626 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8627 (uw_install_context_1): Handle target regs stored by value.
8629 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8631 * tree-sra.c (tree_sra): Return todoflags;
8632 (generate_one_element): Set TODO_update_smt_usage if needed.
8633 (pass_sra): Remove TODO_update_smt_usage.
8634 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8636 (tree_ssa_forward_propagate_single_use_vars): Return
8637 TODO_update_smt_usage if we need to update SMT usage.
8638 (pass_forwprop): Remove TODO_update_smt_usage.
8640 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8642 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8643 (correct_use_link): Remove reference to get_stmt_operands.
8644 (update_stmt_operands): Likewise.
8645 (get_modify_expr_operands): New function factored out of
8646 parse_ssa_operands and get_expr_operands.
8647 Try to create V_MUST_DEFs for LHS by default.
8648 (get_expr_operands) <case MODIFY_EXPR>: Call
8649 get_modify_expr_operands.
8650 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8651 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8652 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8653 get_modify_expr_operands.
8655 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8657 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8658 * tree-flow.h: Remove the prototype for
8659 referenced_var_lookup_if_exists.
8661 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8663 PR rtl-optimization/26345
8665 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8667 2006-03-03 Roger Sayle <roger@eyesopen.com>
8669 PR tree-optimization/26524
8670 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8671 fold_convert to create a constant of the appropriate type.
8673 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8675 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8676 SYMBOL_REF_IN_BLOCK_P.
8677 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8678 of SYMBOL_FLAG_IN_BLOCK.
8679 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8680 instead of SYMBOL_REF_IN_BLOCK_P.
8681 * explow.c (use_anchored_address): Likewise.
8682 * rtl.c (rtx_size): Likewise.
8683 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8684 instead of SYMBOL_FLAG_IN_BLOCK.
8685 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8686 SYMBOL_REF_IN_BLOCK_P.
8687 (assemble_variable): Likewise.
8688 (output_constant_def_contents): Likewise.
8689 (output_constant_pool): Likewise.
8690 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8691 instead of SYMBOL_FLAG_IN_BLOCK.
8692 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8693 SYMBOL_REF_IN_BLOCK_P.
8694 (SYMBOL_REF_BLOCK): Likewise.
8695 (SYMBOL_REF_OFFSET): Likewise.
8696 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8697 SYMBOL_REF_IN_BLOCK_P.
8698 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8699 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8700 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8701 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8703 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8705 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8707 2006-03-02 Roger Sayle <roger@eyesopen.com>
8709 * simplify-rtx.c (simplify_unary_operation): When simplifying
8710 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8711 that we perform the right shift in the appropriate mode, and
8712 then extend or truncate the result to requested mode.
8714 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8716 * gengtype.c (main): Handle double_int type.
8717 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8718 * double-int.c: New file.
8719 * double-int.h: New file.
8720 * system.h: Include doubleint.h.
8721 * Makefile.in (SYSTEM_H): Include double-int.h.
8722 (double-int.o): Add.
8724 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8727 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8730 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8732 * tree-vrp.c (remove_range_assertions): Do not update statements
8735 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8737 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8739 * gcse.c (rest_of_handle_gcse): Ditto.
8740 * except.c (gate_handle_eh): Ditto.
8741 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8742 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8744 2006-03-02 Eric Christopher <echristo@apple.com>
8746 * config/i386/i386.c (machopic_output_stub): Add indirection to
8749 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8753 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8755 Sun Niagara specific optimizations.
8756 * config.gcc: Recognize niagara as target.
8757 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8758 (TARGET_CPU_niagara): Define.
8759 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8760 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8761 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8762 (ASM_CPU_SPEC): Likewise.
8763 (PROCESSOR_NIAGARA): New enum entry.
8764 (REGISTER_MOVE_COST): Handle Niagara.
8765 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8766 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8767 (sparc_override_options): Recognize "niagara", set appropriate
8768 default MASK_* values for it, and align functions to 32-bytes
8769 by default just like ULTRASPARC/ULTRASPARC3.
8770 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8771 (sparc64_initialize_trampoline): Likewise.
8772 (sparc_use_sched_lookahead): Use zero for niagara.
8773 (sparc_issue_rate): Use one for niagara.
8774 * config/sparc/niagara.md: New file.
8775 * config/sparc/sparc.md: Include it.
8776 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8777 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8778 when default cpu is niagara.
8779 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8780 (ASM_CPU_SPEC): Likewise.
8781 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8782 when default cpu is niagara.
8783 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8784 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8785 just like v9/ultrasparc/ultrasparc3.
8786 * doc/invoke.texi: Add documentation for "niagara" and improve
8787 existing documentation for ultrasparc variants.
8789 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8791 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8793 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8795 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8796 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8797 and say that only one is needed.
8798 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8799 * target.h (have_switchable_bss_sections): New hook.
8800 * explow.c (use_anchored_address): Check that the symbol is in a block.
8801 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8802 (bss_noswitch_section): New variables.
8803 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8804 (get_noswitch_section): New function.
8805 (get_block_for_section): Allow SECT to be null.
8806 (unlikely_text_section_p): Use SECTION_STYLE.
8807 (bss_initializer_p): New function.
8808 (get_variable_section): Move earlier in file. Take a new argument,
8809 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8810 Return one of the new *_sections in such cases.
8811 (get_block_for_decl): New function, extracting some logic from
8812 use_blocks_for_decl_p.
8813 (change_symbol_section): Remove in favor of...
8814 (change_symbol_block): ...this new function.
8815 (use_blocks_for_decl_p): Remove checks now performed by
8817 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8818 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8819 (emit_local, emit_bss, emit_common): ...these new functions.
8820 Return true if the alignment was honored.
8821 (emit_tls_common): New function.
8822 (asm_emit_uninitialised): Delete.
8823 (assemble_variable_noswitch): New function, split out from...
8824 (assemble_variable): ...here. Don't make decisions about common
8825 variables here. Globalize all public decls that go into non-common
8826 sections. Check whether SYMBOL_REF_BLOCK is null.
8827 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8828 (output_constant_pool): Likewise.
8829 (init_varasm_once): Initialize the new section variables.
8830 (have_global_bss_p): New function.
8831 (categorize_decl_for_section): Use bss_initializer_p.
8832 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8833 (place_block_symbol): Assert that the symbol must be in a block.
8834 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8835 (TARGET_INITIALIZER): Include it.
8836 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8837 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8838 (SECTION_MACH_DEP): Bump by two.
8839 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8840 (unnamed_section): Mention SECTION_UNNAMED in comment.
8841 (named_section): Likewise SECTION_NAMED.
8842 (noswitch_section_callback): New type.
8843 (noswitch_section): New structure.
8844 (section): Add a noswitch_section alternative.
8845 (SECTION_STYLE): New macro.
8846 (tls_comm_section, comm_section, lcomm_section): Declare.
8847 (bss_noswitch_section, have_global_bss_p): Declare.
8848 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8849 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8851 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8852 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8855 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8857 * tree-vrp.c (execute_vrp): Return value.
8858 * regrename.c (rest_of_handle_regrename): Ditto.
8859 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8860 * tree-complex.c (tree_lower_complex): Ditto.
8861 (tree_lower_complex_O0): Ditto.
8862 * tracer.c (rest_of_handle_tracer): Ditto.
8863 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8864 * postreload.c (rest_of_handle_postreload): Ditto.
8865 * tree-tailcall.c (execute_tail_recursion): Ditto.
8866 (execute_tail_calls): Ditto.
8867 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8868 * tree.h (init_function_for_compilation): Ditto.
8869 * ipa-cp.c (ipcp_driver): Ditto.
8870 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8871 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8872 * final.c (compute_alignments): Ditto.
8873 (rest_of_handle_final): Ditto.
8874 (rest_of_handle_shorten_branches): Ditto.
8875 (rest_of_clean_state): Ditto.
8876 * omp-low.c (execute_expand_omp): Ditto.
8877 (execute_lower_omp): Ditto.
8878 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8879 * ipa-reference.c (static_execute): Ditto.
8880 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8881 * reorg.c (rest_of_handle_delay_slots): Ditto.
8882 (rest_of_handle_machine_reorg): Ditto.
8883 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8884 * flow.c (recompute_reg_usage): Ditto.
8885 (rest_of_handle_remove_death_notes): Ditto.
8886 (rest_of_handle_life): Ditto.
8887 (rest_of_handle_flow2): Ditto.
8888 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8889 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8890 (do_ssa_store_ccp): Ditto.
8891 (execute_fold_all_builtins): Ditto.
8892 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8893 * modulo-sched.c (rest_of_handle_sms): Ditto.
8894 * ipa-pure-const.c (static_execute): Ditto.
8895 * cse.c (rest_of_handle_cse): Ditto.
8896 (rest_of_handle_cse2): Ditto.
8897 * web.c (rest_of_handle_web): Ditto.
8898 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8899 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8900 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8901 * tree-nrv.c (tree_nrv): Ditto.
8902 (execute_return_slot_opt): Ditto.
8903 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8904 (create_structure_vars): Ditto.
8905 * loop-init.c (rtl_loop_init): Ditto.
8906 (rtl_loop_done): Ditto.
8907 (rtl_move_loop_invariants): Ditto.
8908 (rtl_unswitch): Ditto.
8909 (rtl_unroll_and_peel_loops): Ditto.
8910 (rtl_doloop): Ditto.
8911 * gimple-low.c (lower_function_body): Ditto.
8912 (mark_used_blocks): Ditto.
8913 * tree-ssa-sink.c (execute_sink_code): Ditto.
8914 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8915 (cgraph_early_inlining): Ditto.
8916 * global.c (rest_of_handle_global_alloc): Ditto.
8917 * jump.c (cleanup_barriers): Ditto.
8918 (purge_line_number_notes): Ditto.
8919 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8920 (rest_of_handle_if_after_reload): Ditto.
8921 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8922 (tree_ssa_loop_im): Ditto.
8923 (tree_ssa_loop_unswitch): Ditto.
8924 (tree_vectorize): Ditto.
8925 (tree_linear_transform): Ditto.
8926 (tree_ssa_loop_ivcanon): Ditto.
8927 (tree_ssa_empty_loop): Ditto.
8928 (tree_ssa_loop_bounds): Ditto.
8929 (tree_complete_unroll): Ditto.
8930 (tree_ssa_loop_prefetch): Ditto.
8931 (tree_ssa_loop_ivopts): Ditto.
8932 (tree_ssa_loop_done): Ditto.
8933 * predict.c (tree_estimate_probability): Ditto.
8934 * recog.c (split_all_insns_noflow): Ditto.
8935 (rest_of_handle_peephole2): Ditto.
8936 (rest_of_handle_split_all_insns): Ditto.
8937 * tree-eh.c (lower_eh_constructs): Ditto.
8938 * regmove.c (rest_of_handle_regmove): Ditto.
8939 (rest_of_handle_stack_adjustments): Ditto.
8940 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8941 * function.c (instantiate_virtual_regs): Ditto.
8942 (init_function_for_compilation): Ditto.
8943 (rest_of_handle_check_leaf_regs): Ditto.
8944 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8945 (rest_of_handle_gcse): Ditto.
8946 * ipa-type-escape.c (type_escape_execute): Ditto.
8947 * alias.c (rest_of_handle_cfg): Ditto.
8948 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8949 * profile.c (rest_of_handle_branch_prob): Ditto.
8950 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8951 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8952 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8953 * tree-dfa.c (find_referenced_vars): Ditto.
8954 * except.c (set_nothrow_function_flags): Ditto.
8955 (convert_to_eh_region_ranges): Ditto.
8956 (rest_of_handle_eh): Ditto.
8957 * emit-rtl.c (unshare_all_rtl): Ditto.
8958 (remove_unnecessary_notes): Ditto.
8959 * except.h (set_nothrow_function_flags): Ditto.
8960 (convert_to_eh_region_ranges): Ditto.
8961 * cfgexpand.c (tree_expand_cfg): Ditto.
8962 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8963 * tree-ssa-pre.c (do_pre): Ditto.
8964 (execute_fre): Ditto.
8965 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8966 (rest_of_handle_jump2): Ditto.
8967 * tree-sra.c (tree_sra): Ditto.
8968 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8969 (execute_mudflap_function_decls): Ditto.
8970 * tree-ssa-copy.c (do_copy_prop): Ditto.
8971 (do_store_copy_prop): Ditto.
8972 * ipa-prop.h (ipcp_driver): Ditto.
8973 * cfglayout.c (insn_locators_initialize): Ditto.
8974 * tree-ssa-forwprop.c
8975 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8976 * cfglayout.h (insn_locators_initialize): Ditto.
8977 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8978 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8979 (execute_late_warn_uninitialized): Ditto.
8980 * rtl.h (cleanup_barriers): Ditto.
8981 (split_all_insns_noflow): Ditto.
8982 (purge_line_number_notes): Ditto.
8983 (unshare_all_rtl): Ditto.
8984 (remove_unnecessary_notes): Ditto.
8985 (recompute_reg_usage): Ditto.
8986 (variable_tracking_main): Ditto.
8987 * integrate.c (emit_initial_value_sets): Ditto.
8988 * integrate.h (emit_initial_value_sets): Ditto.
8989 * tree-optimize.c (execute_free_datastructures): Ditto
8990 (execute_free_cfg_annotations): Ditto.
8991 (execute_fixup_cfg): Ditto.
8992 (execute_cleanup_cfg_pre_ipa): Ditto.
8993 (execute_cleanup_cfg_post_optimizing): Ditto.
8994 (execute_init_datastructures): Ditto.
8995 * tree-object-size.c (compute_object_sizes): Ditto.
8996 * combine.c (rest_of_handle_combine): Ditto.
8997 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8998 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8999 (rest_of_handle_reorder_blocks): Ditto.
9000 (rest_of_handle_partition_blocks): Ditto.
9001 * var-tracking.c (variable_tracking_main): Ditto.
9002 * tree-profile.c (tree_profiling): Ditto.
9003 * tree-vect-generic.c (expand_vector_operations): Ditto.
9004 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9005 * sched-rgn.c (rest_of_handle_sched): Ditto.
9006 (rest_of_handle_sched2): Ditto.
9007 * basic-block.h (free_bb_insn): Ditto.
9008 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9009 * tree-cfg.c (execute_build_cfg): Ditto.
9010 (remove_useless_stmts): Ditto.
9011 (split_critical_edges): Ditto.
9012 (execute_warn_function_return): Ditto.
9013 (execute_warn_function_noreturn): Ditto.
9014 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9015 * cfgrtl.c (free_bb_for_insn): Ditto.
9016 * passes.c (execute_one_pass): Run additional
9017 todos returned by execute function.
9018 * tree-pass.h (struct tree_opt_pass): Make execute
9021 2006-03-02 Richard Guenther <rguenther@suse.de>
9023 * tree-ssa-alias.c (find_used_portions): Consider taking
9024 the address as making the variable not write-only.
9026 2006-03-02 Nick Clifton <nickc@redhat.com>
9028 * config.gcc (default_use_cxa_atexit): Extend the description of
9029 this configure variable. Set its default value to "yes" for
9030 Linux, NetBSD and ELF targets on the assumption that they will
9031 use C libraries with the __cxa_atexit function.
9033 2006-03-02 Ben Elliston <bje@au.ibm.com>
9035 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9036 parameter as unused to suppress a build warning.
9038 2006-03-02 Ben Elliston <bje@au.ibm.com>
9040 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9043 2006-03-01 Roger Sayle <roger@eyesopen.com>
9046 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9047 declared name, the weak reference name, and the typeof name.
9048 (__gthrw): Avoid expanding the declared name suffix.
9049 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9051 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9053 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9055 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9056 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9057 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9058 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9059 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9060 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9061 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9062 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9063 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9064 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9065 (DW_END_default, DW_END_big, DW_END_little): New.
9066 (DW_END_lo_user, DW_END_hi_user): Define.
9067 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9068 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9069 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9072 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9074 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9076 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9078 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9080 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9082 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9083 to 'symbol_mem_tag'.
9085 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9088 2006-03-01 Roger Sayle <roger@eyesopen.com>
9090 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9092 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9095 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9096 MACHO_DYNAMIC_NO_PIC_P.
9097 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9099 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9102 * config/darwin-protos.h (darwin_asm_output_anchor):
9104 * config/darwin-sections.def (cstring_section):
9105 Add SECTION_MERGE to the flags.
9106 (literal4_section): Likewise.
9107 (literal8_section): Likewise.
9108 (objc_selector_refs_section): Likewise.
9109 (objc_cls_refs_section): Likewise.
9110 * config/darwin.c (darwin_asm_output_anchor): New
9112 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9114 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9116 Fix PR tree-optimization/26443
9117 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9118 to todo and PROP_tmt_usage to properties_destroyed.
9119 * tree-ssa-ccp.c (pass_ccp): Ditto.
9120 (pass_store_ccp): Ditto.
9121 * tree-ssa-dom.c (pass_dominator): Ditto.
9123 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9125 * tree-ssa-operands.c: Cleanup whitespace.
9126 (get_asm_expr_operands): Move before first invocation.
9127 (get_indirect_ref_operands): Likewise.
9128 (get_tmr_operands): Likewise.
9129 (get_call_expr_operands): Likewise.
9130 (append_def): Likewise.
9131 (append_use): Likewise.
9132 (append_v_may_def): Likewise.
9133 (append_v_must_def): Likewise.
9134 (add_call_clobber_ops): Likewise.
9135 (add_call_read_ops): Likewise.
9136 (add_stmt_operand): Likewise.
9137 (add_virtual_operand): Likewise.
9138 (build_ssa_operands): Likewise.
9140 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9145 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9146 with a call expr to ...
9147 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9149 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9151 * tree-vrp.c (extract_range_from_assert): Remove special
9152 handling for types with super-types.
9154 2006-03-01 Ben Elliston <bje@au.ibm.com>
9156 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9157 and powerpc64-*-linux* configurations.
9158 * config/t-dfprules: New file.
9160 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9161 Compile dfp-bit.c from the source directory using -DWIDTH and
9162 $DFP_CFLAGS to control the compilation of that file, rather than
9163 generating width-specific versions in the build directory.
9164 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9165 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9167 2006-02-28 Zack Weinberg <zackw@panix.com>
9169 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9172 2006-02-28 Eric Christopher <echristo@apple.com>
9174 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9175 Set up IN_LIBGCC definition of TARGET_64BIT.
9176 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9178 2006-02-28 Roger Sayle <roger@eyesopen.com>
9181 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9182 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9183 cases via the construction of "expr != 0".
9185 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9187 * alias.c (alias_invariant, alias_invariant_size): Remove.
9188 (record_base_value): Remove.
9189 (memrefs_conflict_p): Don't look at alias_invariant.
9190 (end_alias_analysis): Don't free it.
9191 * alias.h (record_base_value): Remove prototype.
9193 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9194 Adam Nemet <anemet@caviumnetworks.com>
9196 * rtl.h (truncated_to_mode): Declare it.
9197 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9198 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9199 (RTL_HOOKS_INITIALIZER): Include it.
9200 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9201 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9202 reg_truncated_to_mode.
9203 * rtlanal.c (truncated_to_mode): Define it.
9204 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9206 2006-02-28 Jeff Law <law@redhat.com>
9208 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9209 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9210 the range allowed by TYPE_PRECISION.
9212 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9214 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9216 PR tree-optimization/26419
9217 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9220 2006-02-27 Zack Weinberg <zackw@panix.com>
9222 * doc/md.texi: Fix typo in previous change.
9224 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9228 2006-02-27 Zack Weinberg <zackw@panix.com>
9230 * rtl.def (define_constraint, define_register_constraint)
9231 (define_memory_constraint, define_address_constraint): New MD forms.
9232 * gensupport.c (process_rtx): Put define_constraint etc on the
9234 * genpreds.c (process_define_predicate): Adjust comment. Validate
9235 the name, and call validate_exp to validate the expression.
9236 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9237 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9238 all callers changed.
9239 (validate_exp, needs_variable, struct constraint_data)
9240 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9241 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9242 (const_dbl_constraints, constraint_max_namelen)
9243 (have_register_constraints, have_memory_constraints)
9244 (have_address_constraints, have_address_constraints)
9245 (have_extra_constraints, have_const_int_constraints)
9246 (have_const_dbl_constraints, mangle, add_constraint)
9247 (process_define_constraint, process_define_register_constraint)
9248 (write_enum_constraint_num, write_lookup_constraint)
9249 (write_insn_constraint_len, write_regclass_for_constraint)
9250 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9251 (write_insn_extra_memory_constraint)
9252 (write_insn_extra_address_constraint)
9253 (write_satisfies_constraint_fns): New.
9254 (write_tm_preds_h): If we have new-style constraint definitions,
9255 prototype the functions generated from them, and define the
9256 old constraint interface (still used by generic code) in terms of
9258 (write_insn_preds_c): If we have new-style constraint definitions,
9259 generate all relevant functions from those definitions.
9260 (main): Handle define_constraint etc.
9261 * genoutput.c (struct constraint_data, indep_constraints)
9262 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9263 (mdep_constraint_len): New data structures and functions, defined
9264 #ifdef USE_MD_CONSTRAINTS.
9265 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9266 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9267 use new logic to validate operand constraints against constraint
9269 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9271 * defaults.h: If none of the old-style constraint macros are
9272 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9273 old-style macros; and poison REG_CLASS_FROM_LETTER,
9274 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9276 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9277 * doc/md.texi: Document new constraint-definition mechanism and the
9278 C interface it provides. Remove references to old mechanism
9279 elsewhere in the document.
9280 (Machine Constraints): Use pathnames relative to gcc directory,
9281 i.e. config/ARCH/FILE. Change i386 section to refer to
9282 config/i386/predicates.md; update that section to match docstrings.
9283 * doc/tm.texi: Move all documentation of the old constraint-
9284 definition macros to their own section, clearly mark as obsolete.
9286 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9287 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9289 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9290 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9291 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9293 (splits and peepholes): Use satisfies_constraint_*.
9294 * config/i386/i386.c (memory_address_length)
9295 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9297 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9299 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9300 scalar operation to be put back into the loop.
9302 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9305 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9306 (extract_cie_info): Handle S flag in augmentation string.
9307 (execute_cfa_program): If context->signal_frame, execute also
9308 fs->pc == context->ra instructions.
9309 (uw_frame_state_for): If context->signal_frame, don't subtract one
9310 from context->ra to find FDE.
9311 (uw_update_context_1): Set context->signal_frame to
9313 (_Unwind_GetIPInfo): New function.
9314 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9315 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9317 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9318 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9319 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9320 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9321 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9322 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9323 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9324 x86_64_fallback_frame_state): Set fs->signal_frame.
9325 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9326 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9327 (frob_update_context): Likewise. Workaround missing S flag in
9328 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9329 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9330 Remove the psw_addr + 1 hack.
9332 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9334 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9335 with aggregates here.
9336 (find_func_aliases): Remove code for &<aggregate> from here.
9338 2006-02-26 Roger Sayle <roger@eyesopen.com>
9340 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9341 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9342 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9345 2006-02-26 Roger Sayle <roger@eyesopen.com>
9348 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9350 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9352 * opts.c (decode_options): Do not handle flag_strength_reduce.
9353 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9354 and OPT_fstrength_reduce.
9355 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9356 flag_prefetch_loop_arrays for being nonzero.
9357 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9359 (fprefetch-loop-arrays-rtl): Removed.
9360 (flag_prefetch_loop_arrays): Do not specify the value.
9362 * doc/passes.texi: Update documentation of loop optimizer
9364 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9365 -frerun-loop-opt): Remove.
9367 2006-02-26 Richard Guenther <rguenther@suse.de>
9369 PR tree-optimization/26421
9370 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9371 in function calls that are ADDR_EXPRs as using the whole structure.
9373 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9375 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9376 * tree-pass.h (pass_loop_optimize): Remove.
9377 * passes.c (pass_loop_optimize): Never run it.
9378 * toplev.c (backend_init): Don't call init_loop.
9379 * opts.c (flag_loop_optimize_set): Remove.
9380 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9381 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9382 the old RTL loop optimizer when profiling enabled.
9383 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9384 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9385 pre-headers for the sake of the old RTL loop optimizer.
9386 * Makefile.in: Remove all references to loop.o.
9388 * doc/invoke.texi: Remove all references to -floop-optimize
9389 and -frerun-loop-opt.
9391 2006-02-26 Zack Weinberg <zackw@panix.com>
9393 * doc/md.texi (Machine Constraints): Refer to all files with paths
9394 relative to gcc directory (i.e. config/CPU/file). Add missing
9395 @table @code ... @end table to M32C subsection.
9397 2006-02-26 Roger Sayle <roger@eyesopen.com>
9399 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9401 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9403 2006-02-26 Roger Sayle <roger@eyesopen.com>
9404 James A. Morrison <phython@gcc.gnu.org>
9407 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9408 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9409 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9410 signedness of the shift operation.
9412 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9414 PR tree-optimization/26359
9415 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9417 2006-02-25 Roger Sayle <roger@eyesopen.com>
9419 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9420 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9421 as X == 0, and some symmetry related transformations.
9422 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9424 2006-02-25 Roger Sayle <roger@eyesopen.com>
9427 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9428 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9429 symmetry related transformations. Fold (X^C1) == C2 as
9432 2006-02-25 Juergen Weigert <jw@suse.de>
9433 Richard Guenther <rguenther@suse.de>
9435 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9437 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9439 * combine.c (gen_lowpart_or_truncate): Call
9440 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9442 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9444 * doc/invoke.texi: Move -fopenmp description to "Options for
9446 Remove reference to -lgomp.
9448 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9450 * doc/install.texi: Require GNU tar version 1.14.
9452 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9454 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9455 * doc/invoke.texi (C++ Dialect Options): Document
9456 -fno-use-cxa-get-exception-ptr.
9457 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9458 * configure: Regenerate.
9459 * c.opt (fuse-cxa-get-exception-ptr): New.
9460 * c-opts.c (c_common_handle_option): Handle
9461 OPT_fuse_cxa_get_exception_ptr.
9462 * c-common.c (flag_use_cxa_atexit): Update documentation.
9463 (flag_use_cxa_get_exception_ptr): New.
9464 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9465 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9467 (C_COMMON_OVERRIDE_OPTIONS): New.
9469 2006-02-24 Roger Sayle <roger@eyesopen.com>
9472 * combine.c (try_combine): Explicitly check whether GET_CODE is
9473 a SET or a CLOBBER, instead on checking that it isn't a USE.
9475 2006-02-24 Roger Sayle <roger@eyesopen.com>
9477 * fold-const.c (fold_comparison): New subroutine of fold_binary
9478 containing transformations common to both the equality and
9479 ordering relational operators, factored out of fold_binary.
9480 (fold_binary): Separate out the equality operators (EQ_EXPR
9481 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9482 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9483 transformations common to both.
9484 (fold_div_compare): Fix latent bugs in the previously unreachable
9485 LT_EXPR and GE_EXPR cases.
9487 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9489 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9490 decl libname for clog to __clog on AIX.
9492 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9494 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9497 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9498 output traceback table for thunks. Localise rs6000_stack_info call.
9500 2006-02-23 Roger Sayle <roger@eyesopen.com>
9501 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9503 * gthr-posix.h (__gthrw): Fix typo in comment.
9505 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9507 * doc/cpp.texi (Character sets): Document that we do support
9508 input files to be in any character set.
9510 2006-02-23 Jeff Law <law@redhat.com>
9512 * tree.h (PHI_ARG_NONZERO): Remove.
9513 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9514 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9515 node to the new node.
9517 PR tree-optimization/26425
9518 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9519 min/max, then assume its varying.
9521 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9523 PR rtl-optimization/26316
9524 * rtlanal.c (enum may_trap_p_flags): New.
9525 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9526 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9527 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9528 (may_trap_after_code_motion_p): New function.
9529 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9530 (find_invariant_insn): Use may_trap_after_code_motion_p.
9531 * rtl.h (may_trap_after_code_motion_p): Declare.
9533 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9535 * emit-rtl.c (immed_double_const): Cleanup.
9537 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9539 Fix PR tree-optimization/26376
9540 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9543 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9546 * gimplify.c (omp_add_variable): Guard variable size decl test with
9547 DECL_SIZE (decl) check.
9549 2006-02-23 Richard Guenther <rguenther@suse.de>
9552 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9553 like aggregate types.
9555 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9557 * configure.ac: Add --with{,out}-long-double-128 configure option.
9558 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9559 * configure: Rebuilt.
9560 * config.in: Rebuilt.
9561 * doc/install.texi (Options specification): Document
9562 --with-long-double-128.
9564 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9565 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9566 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9567 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9569 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9571 * config/s390/s390.c (override_options): Handle
9572 TARGET_DEFAULT_LONG_DOUBLE_128.
9574 * config/alpha/alpha.c (override_options): Handle
9575 TARGET_DEFAULT_LONG_DOUBLE_128.
9577 * config/sparc/sparc.c (sparc_override_options): Handle
9578 TARGET_DEFAULT_LONG_DOUBLE_128.
9580 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9582 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9583 (real-install-headers-tar, real-install-headers-cpio)
9584 (real-install-headers-cp): New targets.
9586 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9588 * tree.h (variable_section): Delete.
9589 * varasm.c (variable_section): Delete.
9591 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9593 * install.texi: Add notes on install.texi2html.
9594 (Building in parallel): Do not use footnotes.
9596 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9599 * doc/install.texi (Configuration): Document --disable-libgomp.
9601 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9603 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9605 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9607 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9608 (vec_extractv2df_0_sse): New.
9610 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9612 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9613 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9614 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9615 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9616 to the result of the expression.
9617 (def_cfa_1): Adjust.
9618 (frame_pointer_cfa_offset): Rename to...
9619 (frame_pointer_fb_offset): ... this. Adjust all uses.
9620 (convert_cfa_to_loc_list): Rename to...
9621 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9622 Pass it on to build_cfa_loc.
9623 (compute_frame_pointer_to_cfa_displacement): Rename to...
9624 (compute_frame_pointer_to_fb_displacement): ... this. New
9625 offset parameter. Use it in computation.
9626 (gen_subprogram_die): Compute cfa_fb_offset with the new
9627 macro, and use it to compute the fb loc list and the
9630 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9632 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9633 replaced with register_operand.
9634 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9635 non-DREG is expensive.
9636 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9637 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9640 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9642 * doc/install.texi2html: Use set -e.
9644 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9646 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9647 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9648 * doc/invoke.texi (-fshared-data): Delete.
9649 * common.opt (fshared-data): Delete.
9650 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9651 (assemble_static_space): Remove #if 0 code.
9652 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9653 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9654 * config/cris/cris.h: Remove FIXME.
9656 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9658 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9661 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9664 * combine.c (simplify_shift_const_1): Disable nested shifts
9665 optimization for vector shifts.
9667 2006-02-20 Roger Sayle <roger@eyesopen.com>
9669 PR tree-optimization/26361
9670 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9671 of unsigned integer types.
9673 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9675 * tree-chrec.c (eq_evolutions_p): New.
9676 * tree-chrec.h (eq_evolutions_p): Declared.
9677 * tree-data-ref.c: Fix formatting.
9678 (datadep_stats, dependence_stats): New.
9680 (print_direction_vector): New.
9681 (dump_data_dependence_relation): Use print_direction_vector.
9682 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9683 (compute_subscript_distance): Static.
9684 (initialize_data_dependence_relation): Static. Get the number
9685 of loops surrounding the references from the callers, and initialize
9686 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9687 base_object_differ_p analyzers.
9688 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9689 compute_overlap_steps_for_affine_1_2,
9690 analyze_subscript_affine_affine): Count the classified dependences.
9691 Print a message when a test failed.
9692 (can_use_analyze_subscript_affine_affine): New.
9693 (analyze_siv_subscript): Compute the data dependences on symbolic
9694 scevs that verify can_use_analyze_subscript_affine_affine.
9695 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9696 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9697 Handle symbolic scevs.
9698 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9700 (subscript_dependence_tester): Moved...
9701 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9702 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9703 DDR_SIZE_VECT instead of getting it in parameter.
9704 (subscript_dependence_tester): ... here. Take as a parameter
9705 loop_nest_depth. Call build_classic_dist_vector and
9706 build_classic_dir_vector.
9707 (compute_affine_dependence): Update subscript_dependence_tester
9708 parameters. Update datadep_stats counters. Call
9709 compute_subscript_distance.
9710 (compute_self_dependence): Save the dist and dir vectors. Call
9711 compute_subscript_distance.
9712 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9713 (compute_all_dependences): Reorder parameters as they were before
9714 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9715 compute_subscript_distance. Update the use of
9716 compute_affine_dependence and initialize_data_dependence_relation.
9717 (find_data_references_in_loop): Handle COMPONENT_REF.
9718 (compute_data_dependences_for_loop): Initialize dependence_stats.
9719 Don't call build_classic_dist_vector and build_classic_dir_vector.
9720 Update the parameters of initialize_data_dependence_relation and
9721 compute_all_dependences. Print the statistics from datadep_stats.
9722 (analyze_all_data_dependences): Static. Not used until the pass for
9723 checking the data dependences is contributed.
9724 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9725 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9726 (initialize_data_dependence_relation, compute_affine_dependence,
9727 analyze_all_data_dependences, compute_subscript_distance): Removed.
9728 (print_direction_vector): New.
9729 * lambda.h (gcd): ... here.
9730 (lambda_vector_gcd): Moved here from gcd_vector.
9731 * lambda-code.c (gcd, gcd_vector): Removed.
9732 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9733 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9735 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9737 * ipa-type-escape.c: Tidy some comments and white space.
9738 * tree-ssa-operands.c: Likewise.
9740 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9743 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9744 (dump_decl_name): Do not walk the decl tree chains.
9745 * tree-pass.h (TDF_CHAIN): Remove.
9747 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9749 * Makefile.in (C): Remove
9751 (.PHONY): Remove C and PROTO
9753 2006-02-20 Roger Sayle <roger@eyesopen.com>
9756 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9757 deprecated CHAR_TYPE tree code.
9759 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9761 * configure.ac (target_list): Add install-info, dvi, html.
9762 * configure: Regenerate.
9764 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9765 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9766 treelang/Make-lang.in: Do not use double-colon rules.
9768 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9770 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9771 (TMT_USED_ALONE): New macro.
9772 * tree-pass.h (PROP_tmt_usage): New property.
9773 (TODO_update_tmt_usage): New todo.
9774 * tree-ssa-alias.c (updating_used_alone): New variable.
9775 (recalculate_used_alone): New function.
9776 (compute_may_aliases): Set updating_used_alone, call
9777 recalculate_used_alone.
9778 * tree-sra.c (pass_sra): Note that this pass destroys
9779 PROP_tmt_usage, and add TODO_update_tmt_usage.
9780 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9781 * tree-flow.h (updating_used_alone): Prototype.
9782 (recalculate_used_alone): Ditto.
9783 * passes.c (execute_todo): Add code to set updating_used_alone,
9784 and call recalculate.
9785 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9786 for clobber if used alone, and add assert to verify used_alone
9789 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9791 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9792 for non tls symbols added.
9793 (legitimize_address): Do nothing for PLUS expressions if one of the
9794 addends is a tls symbol reference.
9796 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9800 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9802 * Makefile.in (BOOTSTRAPPING): New.
9803 (quickstrap): New definition if BOOTSTRAPPING=yes.
9805 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9806 * configure.ac: Substitute all_selected_languages with the languages
9807 that were configured. For all the other variables except
9808 lang_specs_files, include all the languages in the tree.
9809 * configure: Regenerate.
9811 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9812 if there is one. Run the commands to run fixincludes in the same
9815 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9816 * doc/install.texi: Document exact conventions for searching target tools.
9817 Document --with-build-time-tools. Document toplevel bootstrap. Document
9818 something more about building an Ada cross-compiler. Don't list GNU Make
9819 requirements which affect all platforms.
9821 2006-02-19 Roger Sayle <roger@eyesopen.com>
9824 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9825 only equivalent if the have both the same mode and precision.
9827 2006-02-20 Ben Elliston <bje@au.ibm.com>
9829 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9831 2006-02-19 Roger Sayle <roger@eyesopen.com>
9832 Steven Bosscher <stevenb.gcc@gmail.com>
9834 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9835 constant pool references to identify stack mode constants.
9836 * rtlanal.c (constant_pool_constant_p): New predicate to check
9837 whether operand is a floating point constant in the pool.
9838 * rtl.h (constant_pool_constant_p): Prototype here.
9839 * loop.c (scan_loop): Avoid hoisting constants from the constant
9840 pool on STACK_REGS targets.
9841 (load_mems): Likewise.
9842 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9843 loads into x87 registers expensive in terms of register pressure.
9845 2006-02-19 Roger Sayle <roger@eyesopen.com>
9847 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9848 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9850 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9852 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9853 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9855 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9857 * doc/invoke.texi: Document -fipa-pta.
9858 * common.opt: Add ipa-pta option.
9859 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9860 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9861 (do_ds_constraint): Ditto.
9862 (get_constraint_for): Only add to referenced_vars if
9863 referenced_vars exists.
9864 (insert_into_field_list): Rewrite to do this unsorted.
9865 (insert_into_field_list_sorted): Rename old insert_into_field_list
9867 (create_function_info_for): Use insert_into_field_list_sorted.
9868 (create_variable_info_for): Rewrite so it uses unsorted version,
9869 since the field list is sorted.
9870 (intra_create_variable_infos): Only add to referenced_vars if
9871 referenced_vars exists.
9872 (ipa_pta_execute): Init heapvars, and delete when done.
9873 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9875 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9877 * doc/install.texi: Add missing `@samp'.
9879 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9881 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9884 2006-02-18 Mark Wielaard <mark@klomp.org>
9886 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9887 who added new 4.1 features, bug fixes and integration support.
9889 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9892 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9895 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9897 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9898 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9899 (copy_insn_1): Likewise. Don't copy each field individually.
9901 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9903 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9904 * rtl.c (rtx_size): Rename variable to...
9905 (rtx_code_size): ...this.
9906 (rtx_size): New function.
9907 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9908 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9910 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9911 * rtl.h (rtx_code_size): New variable.
9912 (rtx_size): Change from a variable to a function.
9913 (RTX_SIZE): Rename to...
9914 (RTX_CODE_SIZE): ...this.
9917 PR tree-optimization/17106
9918 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9919 (Anchored Addresses): New section.
9920 * doc/invoke.texi (-fsection-anchors): Document.
9921 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9922 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9923 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9924 * hooks.c (hook_bool_mode_rtx_false): New function.
9925 * hooks.h (hook_bool_mode_rtx_false): Declare.
9926 * gengtype.c (create_optional_field): New function.
9927 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9928 SYMBOL_REF_IN_BLOCK_P is true.
9929 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9930 (min_anchor_offset, max_anchor_offset): Likewise.
9931 (use_anchors_for_symbol_p): New hook.
9932 * toplev.c (compile_file): Call output_object_blocks.
9933 (target_supports_section_anchors_p): New function.
9934 (process_options): Check that -fsection-anchors is only used on
9935 targets that support it and when -funit-at-a-time is in effect.
9936 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9937 if the decl doesn't have one.
9938 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9939 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9940 of force_const_mem through use_anchored_address.
9941 (expand_expr_constant): New function.
9942 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9943 calling expand_expr for INDIRECT_REF.
9944 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9945 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9946 * expr.h (use_anchored_address): Declare.
9947 * loop-unroll.c: Don't declare rtx vectors here.
9948 * explow.c: Include output.h.
9949 (validize_mem): Call use_anchored_address.
9950 (use_anchored_address): New function.
9951 * common.opt (-fsection-anchors): New switch.
9952 * varasm.c (object_block_htab, anchor_labelno): New variables.
9953 (hash_section, object_block_entry_eq, object_block_entry_hash)
9954 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9955 (use_blocks_for_decl_p, change_symbol_section): New functions.
9956 (get_variable_section): New function, split out from assemble_variable.
9957 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9958 use_blocks_for_decl_p say so. Use change_symbol_section if the
9959 symbol has already been created.
9960 (assemble_variable_contents): New function, split out from...
9961 (assemble_variable): ...here. Don't output any code for
9962 block symbols; just pass them to place_block_symbol.
9963 Use get_variable_section and assemble_variable_contents.
9964 (get_constant_alignment, get_constant_section, get_constant_size): New
9965 functions, split from output_constant_def_contents.
9966 (build_constant_desc): Create a block symbol if use_object_blocks_p
9967 says so. Or into SYMBOL_REF_FLAGS.
9968 (assemble_constant_contents): New function, split from...
9969 (output_constant_def_contents): ...here. Don't output any code
9970 for block symbols; just pass them to place_section_symbol.
9971 Use get_constant_section and get_constant_alignment.
9972 (force_const_mem): Create a block symbol if use_object_blocks_p and
9973 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9974 (output_constant_pool_1): Add an explicit alignment argument.
9975 Don't switch sections here.
9976 (output_constant_pool): Adjust call to output_constant_pool_1.
9977 Switch sections here instead. Don't output anything for block symbols;
9978 just pass them to place_block_symbol.
9979 (init_varasm_once): Initialize object_block_htab.
9980 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9981 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9982 (place_block_symbol, get_section_anchor, output_object_block)
9983 (output_object_block_htab, output_object_blocks): New functions.
9984 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9985 (TARGET_ASM_OUT): Include it.
9986 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9987 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9988 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9989 (TARGET_INITIALIZER): Include them.
9990 * rtl.c (rtl_check_failed_block_symbol): New function.
9991 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9992 (block_symbol, object_block): New structures.
9993 (rtx_def): Add a block_symbol field to the union.
9994 (BLOCK_SYMBOL_CHECK): New macro.
9995 (rtl_check_failed_block_symbol): Declare.
9996 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9997 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9998 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9999 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10000 * output.h (output_section_symbols): Declare.
10001 (object_block): Name structure.
10002 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10003 (default_use_anchors_for_symbol_p): Declare.
10004 * Makefile.in (RTL_BASE_H): Add vec.h.
10005 (explow.o): Depend on output.h.
10006 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10007 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10008 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10009 (rs6000_use_blocks_for_constant_p): New function.
10011 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10013 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10015 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10018 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10021 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10023 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10027 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10029 PR middle-end/26334
10030 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10031 instead of DECL_REGISTER.
10033 2006-02-18 Olivier Hainque <hainque@adacore.com>
10036 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10038 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10041 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10042 * opth-gen.awk: Handle Var and InverseMask together.
10043 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10044 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10045 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10046 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10048 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10049 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10050 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10051 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10052 LINUX_DYNAMIC_LINKER): Define.
10053 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10054 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10056 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10057 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10058 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10059 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10060 (TARGET_C99_FUNCTIONS): Don't define.
10061 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10062 GLIBC_DYNAMIC_LINKER.
10063 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10064 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10065 GLIBC_DYNAMIC_LINKER64): Define.
10066 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10067 LINUX_DYNAMIC_LINKER64.
10068 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10069 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10070 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10071 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10072 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10073 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10074 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10075 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10076 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10078 and LINUX_DYNAMIC_LINKER32.
10079 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10080 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10081 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10082 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10083 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10085 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10086 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10087 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10088 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10089 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10090 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10091 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10092 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10093 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10094 LINUX_DYNAMIC_LINKER): Define.
10095 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10096 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10097 GLIBC_DYNAMIC_LINKER64): Define.
10098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10099 LINUX_DYNAMIC_LINKER64.
10100 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10101 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10102 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10103 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10104 LINUX_DYNAMIC_LINKER): Define.
10105 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10106 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10107 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10108 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10109 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10110 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10111 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10112 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10113 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10114 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10115 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10116 * doc/invoke.texi (-muclibc): Remove caveat about supported
10119 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10121 * doc/cpp.texi (__TIMESTAMP__): Document.
10123 2006-02-17 Roger Sayle <roger@eyesopen.com>
10125 PR middle-end/25600
10126 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10127 C is one less than the width of X (and related transformations).
10128 * simplify-rtx.c (simplify_unary_operation_1): Transform
10129 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10130 depending on STORE_FLAG_VALUE, were C is one less then the
10133 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10135 Fix PR tree-optimization/26341
10136 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10137 about NAME_MEMORY_TAG's.
10139 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10142 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10143 with hardware float support, and software float support. Add fcpy
10144 alternative to hardware patterns. Add alternatives to copy between
10145 general and floating-point registers to the 32-bit pattern.
10146 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10147 secondary reload to load a QI or HI mode constant into a floating
10149 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10150 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10152 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10155 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10157 (load_macho_picbase_di): Likewise.
10159 2006-02-16 Jeff Law <law@redhat.com>
10161 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10162 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10163 (ssa_name_nonzero_p): Likewise.
10164 (get_value_range): Return NULL if VRP is not running.
10165 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10166 VRP routines do not discover a range.
10167 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10168 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10169 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10170 (tree_expr_nonnegative_p): Similarly.
10171 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10172 (restore_nonzero_vars_to_original_value): Remove.
10173 (unsafe_associative_fp_binop): Remove.
10174 (tree_ssa_dominator_optimize): Remove initialization and
10175 finalization of nonzero_vars and nonzero_vars_stack.
10176 (dom_opt_initialize_block): No longer push marker on
10177 nonzero_vars_stack.
10178 (dom_opt_finalize_block): No longer call
10179 restore_nonzero_vars_to_original_value.
10180 (record_equivalences_from_phis): No longer look for
10181 nonzero PHI arguments.
10182 (cprop_into_successor_phis): No longer propagate nonzero
10183 property into PHI arguments. Lose unused argument. Caller
10185 (record_equivalences_from_stmt): No longer record nonzero
10186 values for SSA_NAMEs.
10187 (lookup_avail_expr): No longer use nonzero_vars.
10189 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10190 for sizetype when sizetype is unsigned.
10192 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10194 PR rtl-optimization/25603
10195 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10196 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10197 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10198 with new meaning of SETS.
10200 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10205 * config/linux.opt: New file.
10206 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10207 LINUX_DYNAMIC_LINKER): Define.
10208 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10209 * config.gcc (*-*-linux*): Define extra_options.
10210 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10211 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10212 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10213 GLIBC_DYNAMIC_LINKER.
10214 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10215 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10216 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10217 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10218 * doc/invoke.texi (GNU/Linux Options): New section.
10220 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10222 * config/sparc/sparc.md (setjmp): Rewrite.
10223 (setjmp_32): Delete.
10224 (setjmp_64): Likewise.
10226 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10228 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10231 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10233 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10236 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10238 PR rtl-optimization/26296
10239 * Makefile.in (loop-invariant.c): Add except.h dependency.
10240 * loop-invariant.c: Include except.h.
10241 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10243 2005-02-16 Paul Brook <paul@codesourcery.com>
10245 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10248 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10250 PR rtl-optimization/25636
10251 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10252 when deciding whether an insn is an initializing insn.
10254 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10256 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10257 (tree_code_size): Ditto.
10258 * tree.h (struct tree_memory_tag): Remove parent_var.
10259 (struct tree_struct_field_tag): New.
10262 (union tree_node): Add sft member.
10263 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10265 (create_sft): Add size and offset argument, set SFT_OFFSET and
10267 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10268 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10269 * tree-flow-inline.h (get_subvar_at): Update for
10270 SFT_OFFSET/SFT_SIZE.
10271 (var_can_have_subvars): Ditto.
10272 (overlap_subvar): Ditto.
10273 * print-tree.c (print_node): Print out interesting things for
10275 * tree-flow.h (struct subvar): Remove offset and size members.
10276 * tree-ssa-operands.c (get_expr_operands): Update for
10277 get_indirect_ref_operands changes.
10278 (get_indirect_ref_operands): Call add_virtual_operand instead of
10279 add_stmt_operand. Only recurse on base var if requested.
10280 (access_can_touch_variable): New function.
10281 (add_stmt_operand): Split virtual operand handling into ...
10282 (add_virtual_operand): Here. Add offset, size, and for_clobber
10283 arguments. Prune alias sets.
10284 (add_call_clobber_ops): Call add_virtual_operand.
10286 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10288 PR middle-end/26300
10289 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10291 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10292 than TREE_CODE as index into omp_clause_num_ops array.
10294 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10296 PR rtl-optimization/26184
10297 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10299 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10300 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10301 must_precede, must_follow and tobe_scheduled.
10304 * opts.c (common_handle_option): Free new_option pointer.
10305 * df-core.c (df_analyze): Free postorder pointer.
10307 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10309 * Makefile.in: Fix the examples about the use of stamps
10311 2006-02-15 Michael Matz <matz@suse.de>
10313 PR middle-end/22275
10315 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10316 influenced by maximum_field_alignment or DECL_PACKED.
10317 (update_alignment_for_field): Ditto.
10318 (place_field): Ditto.
10319 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10322 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10324 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10325 (debug_flow_info): Pass it.
10326 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10327 * bb-reorder.c (reorder_basic_blocks): Likewise.
10328 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10329 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10330 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10331 * gcse.c (gcse_main, bypass_jumps): Likewise.
10332 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10333 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10334 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10335 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10336 * rtl.h (dump_flow_info): Adjust prototype.
10337 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10338 * var-tracking.c (variable_tracking_main): Likewise.
10339 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10340 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10343 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10345 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10348 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10350 PR tree-optimization/26209
10351 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10352 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10354 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10356 2006-02-14 Roger Sayle <roger@eyesopen.com>
10358 PR middle-end/23670
10359 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10360 (X,Y) and the corresponding symmetry related transformations.
10361 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10362 (X,Y) and its symmetry related transformations.
10364 2006-02-14 Roger Sayle <roger@eyesopen.com>
10366 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10369 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10371 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10373 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10376 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10377 support COMDAT group.
10378 * configure: Regenerate.
10380 2006-02-14 Roger Sayle <roger@eyesopen.com>
10382 PR middle-end/26279
10383 PR middle-end/26280
10384 PR middle-end/26283
10385 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10387 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10389 Fix PR tree-optimization/26260
10391 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10393 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10394 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10395 * tree-ssa-structalias.c (create_variable_info_for): Use
10396 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10398 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10400 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10402 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10403 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10404 of the ending condition.
10405 * tree-ssa-loop-manip.c: Include params.h.
10406 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10407 tree_unroll_loop): New functions.
10408 * tree-pass.h (pass_loop_prefetch): Declare.
10409 * loop.c (rest_of_handle_loop_optimize): Test for
10410 -fprefetch-loop-arrays-rtl.
10411 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10412 * timevar.def (TV_TREE_PREFETCH): New timevar.
10413 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10414 pass_loop_prefetch): New.
10415 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10416 (cleanup_tree_cfg_loop): Call scev_reset.
10417 * common.opt (fprefetch-loop-arrays-rtl): Add.
10418 * tree-ssa-loop-prefetch.c: New file.
10419 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10420 (new_temp_expr_table): Initialize expr_vars.
10421 (free_temp_expr_table): Cleanup expr_vars.
10422 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10423 expressions from being merged into one.
10424 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10425 (struct tree_niter_desc): Add control, bound and cmp fields.
10426 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10428 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10429 (tree-cfgcleanup.o): Add SCEV_H dependency.
10430 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10431 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10433 2006-02-14 Richard Guenther <rguenther@suse.de>
10435 PR tree-optimization/26258
10436 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10437 in PHI argument processing.
10439 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10441 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10442 new expression in the requested machine mode.
10444 2006-02-13 Roger Sayle <roger@eyesopen.com>
10446 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10447 directly, instead let do_compare_rtx_and_jump handle this for us.
10448 * expr.c (expand_expr_real_1): Likewise.
10449 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10450 before do_jump_by_parts_greater.
10451 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10452 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10454 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10456 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10458 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10460 PR rtl-optimization/26235
10461 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10462 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10465 2006-02-13 Jeff Law <law@redhat.com>
10467 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10470 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10472 PR middle-end/26092
10473 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10474 twice if decl is a builtin. When trying again, call get_callee_fndecl
10475 first to verify it is still a builtin.
10477 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10479 * dwarf2out.c (base_type_die): Don't add AT_name here.
10480 (subrange_type_die): Don't add AT_name here.
10481 (modified_type_die): Rearrange code flow. Do add AT_name here.
10483 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10485 PR rtl-optimization/26247
10486 PR rtl-optimization/26248
10487 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10489 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10491 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10492 * config/fixtfdi.c: Likewise.
10493 * config/fixunstfdi.c: Likewise.
10494 * config/floatditf.c: Likewise.
10496 2006-02-13 Roger Sayle <roger@eyesopen.com>
10498 PR middle-end/24427
10499 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10500 into (X,C2) if C1 is a subset of the bits of C2. Transform
10501 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10503 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10505 2006-02-13 Josh Conner <jconner@apple.com>
10508 * varasm.c (function_section): Check for section name before
10509 calling select_section on targets that define
10510 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10511 unlikely_text_section instead of hot_function_section if
10512 first_function_block_is_cold.
10514 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10516 PR middle-end/25335
10517 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10519 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10521 PR rtl-optimization/26222
10522 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10523 after tree->rtl expansion.
10524 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10525 before passing it to emit_move_insn.
10527 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10529 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10531 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10532 Clarify documentation.
10533 * c-common.h (warn_write_strings): Remove.
10534 * c-common.c (warn_write_strings): Likewise.
10535 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10538 2006-02-12 Roger Sayle <roger@eyesopen.com>
10540 PR middle-end/25724
10541 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10542 (do_jump_parts_zero_rtx): New function renamed from
10543 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10544 (do_jump_parts_equality_rtx): New function split out from
10545 do_jump_parts_equality. Old implementation renamed as above.
10546 Call do_jump_parts_zero_rtx if either operand is zero.
10547 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10548 do all of the heavy lifting.
10549 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10550 calling either do_jump_by_parts_greater_rtx or
10551 do_jump_by_parts_equality_rtx.
10552 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10553 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10554 moved to do_compare_rtx_and_jump, call it directly.
10555 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10556 mode argument. Call do_compare_rtx_and_jump.
10557 (emit_case_nodes): Update calls to do_jump_if_equal.
10559 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10561 PR rtl-optimization/26225
10562 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10564 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10566 PR rtl-optimization/26232
10567 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10569 2006-02-11 Jason Merrill <jason@redhat.com>
10572 * tree-inline.c (declare_return_variable): Just don't use the
10573 modify target if it's a gimple complex reg and the return slot
10576 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10578 * doc/contrib.texi: Update my entry.
10580 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10582 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10584 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10586 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10589 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10591 * doc/invoke.texi (-floop-optimize2): Removed.
10592 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10593 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10594 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10595 * common.opt (floop-optimize2): Removed.
10596 (fmove-loop-invariants): Enabled by default.
10598 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10600 * tree-if-conv.c (combine_blocks): Free the result of
10601 get_loop_exit_edges.
10603 2006-02-10 Jeff Law <law@redhat.com>
10605 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10607 PR tree-optimization/26213
10608 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10609 loop trying to follow SSA_NAME_VALUE chains.
10611 2006-02-10 Richard Guenther <rguenther@suse.de>
10613 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10614 deal with structures that end in implicitly variable sized arrays.
10616 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10618 PR rtl-optimization/24762
10619 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10622 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10624 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10625 (struct ivopts_data): Add regs_used field.
10626 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10627 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10628 instead of loop_data->regs_used;
10629 (free_loop_data): Do not free aux fields for loops.
10630 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10631 and tree_ssa_iv_optimize_finalize.
10633 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10635 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10637 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10640 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10641 computing the effective result type.
10643 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10645 PR inline-asm/16194
10646 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10647 (tree_overlaps_hard_reg_set): Declare.
10648 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10649 type and signature to match function type expected by walk_tree.
10650 (tree_overlaps_hard_reg_set): New function.
10651 (decl_conflicts_with_clobbers_p): Rename to:
10652 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10653 Use tree_overlaps_hard_reg_set. Changed caller.
10654 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10655 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10656 * cris.c (cris_md_asm_clobbers): Likewise.
10658 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10660 * reload1.c (emit_input_reload_insns): Delete code that tries to
10661 inherit using find_equiv_reg.
10663 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10665 * c-common.h (flag_const_strings): Don't declare.
10666 * c-common.c (flag_const_strings): Remove.
10667 * c.opt (fconst_strings): Remove.
10668 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10669 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10670 (c_common_init_options): Don't set flag_const_strings.
10671 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10673 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10675 * arm.md (tlobits_cbranch): New pattern.
10676 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10677 testing a single bit.
10679 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10682 * tree-ssa-pre.c (create_component_ref_by_pieces):
10683 Handle RETURN_DECL like VAR_DECL.
10685 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10687 PR middle-end/26134
10688 * fold-const.c (fold_indirect_ref_1): Fold
10689 "*(foo *)&complexfoo" to "__real__ complexfoo"
10690 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10692 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10694 * tree-flow-inline.h (var_can_have_subvars):
10695 Volatile variables should not have subvariables.
10697 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10700 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10701 multiplying unsigned values.
10704 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10706 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10708 2006-02-08 Jason Merrill <jason@redhat.com>
10711 * tree.def: Elaborate on difference from MODIFY_EXPR.
10712 * doc/c-tree.texi (INIT_EXPR): Likewise.
10713 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10714 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10715 (gimplify_target_expr): Likewise.
10716 (gimplify_cond_expr): Remove target handling.
10717 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10718 (gimplify_expr): Clobber it here.
10719 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10720 Do return slot optimization if we have an INIT_EXPR.
10723 * tree-inline.c (declare_return_variable): Also clear
10724 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10727 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10729 PR middle-end/22439
10730 * gimplify.c (gimplify_one_sizepos): Fix typo.
10732 2006-02-08 Jeff Law <law@redhat.com>
10734 PR tree-optimization/21417
10735 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10736 across a backedge if the control statement at the end of the
10737 block is data dependent on other statements in the same block.
10738 (record_temporary_equivalences_from_stmts): Remove over-conservative
10739 test for threading across backedges.
10741 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10742 control statement, handle all three special cases in the same
10743 manner as they all have the same desired solution. No longer
10744 special case edge flag updating when the post dominator is
10747 2006-02-08 Roger Sayle <roger@eyesopen.com>
10749 * tree.def (CHAR_TYPE): Remove.
10750 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10751 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10752 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10753 (gen_string_type_die): Delete unreachable function.
10755 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10756 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10757 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10758 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10759 * builtins.c (type_to_class): Likewise.
10760 * fold-const.c (fold_convert, build_range_check,
10761 merge_ranges): Likewise.
10762 * expr.c (count_type_elements): Likewise.
10763 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10764 * stor-layout.c (layout_type): Likewise.
10765 * ipa-type-escape.c (type_to_consider): Likewise.
10766 * gimplify.c (omp_firstprivatize_type_sizes,
10767 gimplify_type_sizes): Likewise.
10768 * explow.c (promote_mode): Likewise.
10769 * tree-sra.c (is_sra_scalar_type): Likewise.
10770 * varasm.c (output_constant): Likewise.
10771 * tree-inline.c (remap_type_1): Likewise.
10772 * convert.c (convert_to_pointer, convert_to_real,
10773 convert_to_integer, convert_to_complex): Likewise.
10775 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10777 * df-scan.c (df_def_record_1): A set destination may
10778 be a parallel regardless of mode.
10780 2006-02-08 Roger Sayle <roger@eyesopen.com>
10783 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10784 * config/mips/_tilib.c: Remove.
10785 * config/fixtfdi.c: New libgcc source file.
10786 * config/fixunstfdi.c: New source file.
10787 * config/floatditf.c: New source file.
10788 * config/floatunditf.c: New souce file.
10789 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10790 files above instead of config/mips/_tilib.c.
10791 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10793 2006-02-08 Jeff Law <law@redhat.com>
10795 PR tree-optimization/26169
10796 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10799 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10801 * df.h (DF_REG_SIZE): Return the length of the initialized
10804 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10806 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10807 __muldf3): Return a correctly signed zero.
10809 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10811 * passes.c (register_one_dump_file): Accept the current properties
10812 instead of pass number. Adjust call to dump_register. Remove
10814 (register_dump_files): Now a wrapper around...
10815 (register_dump_files_1): ... this one. Do not modify the pass
10817 (next_pass_1): Cosmetic fix.
10818 (execute_todo): Keep second parameter only. Use curr_properties
10819 instead of fetching it from the pass structure. Check and set
10821 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10822 instead of fetching it from the pass structure. Fix calls to
10823 execute_todo. Update curr_properties and initialize .vcg RTL dump
10824 after running the pass. Reset last_verified.
10825 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10827 (FIRST_AUTO_NUMBERED_DUMP): New.
10828 (dump_register): Remove "num" parameter, assign it within the
10830 (get_dump_file_name): Modify template for dumps.
10831 * tree-dump.h (dump_register): Adjust prototype.
10832 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10833 (PROP_trees): Add PROP_gimple_lomp.
10834 (TODO_set_props): New.
10835 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10836 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10837 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10839 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10841 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10842 (sparc64-*-linux*): Likewise.
10843 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10844 * config/sparc/t-linux: New file.
10845 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10846 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10847 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10848 -m32 -mlong-double-128.
10850 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10851 * config/alpha/t-linux: New file.
10852 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10854 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10855 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10856 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10857 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10858 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10859 (CPP_ARCH32_SPEC): Remove.
10861 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10863 PR tree-optimization/26145
10864 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10867 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10870 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10871 >= 240000 when generating code for SOM runtime.
10872 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10873 to $$dyncall when generating code for SOM runtime..
10875 2006-02-07 Dirk Mueller <dmueller@suse.com>
10878 * doc/invoke.texi (-Wsequence-point): Update documentation
10879 that -Wsequence-point is implemented for C++ as well.
10881 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10883 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10884 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10885 (LIB_SPEC): Likewise.
10886 * doc/invoke.texi (SPARC options): Document -pthread.
10888 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10890 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10893 2006-02-07 Roger Sayle <roger@eyesopen.com>
10895 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10896 Correct comment describing BOOLEAN_TYPE.
10898 2006-02-07 Dirk Mueller <dmueller@suse.com>
10900 * c.opt: C++ frontend supports -Wdiv-by-zero.
10901 * c-opts.c (c_common_handle_option): Remove dead case.
10903 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10905 * configure.ac (TLS assembler check): Do not enable TLS by
10906 default on SPARC/Solaris before version 10.
10907 * configure: Regenerate.
10909 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10911 * doc/invoke.texi (xl-compat): Document conversion and support
10914 2006-02-07 Jeff Law <law@redhat.com>
10916 * tree-vrp.c (find_conditional_asserts): Update comments.
10917 (simplify_stmt_for_jump_threading): New.
10918 (identify_jump_threads, finalize_jump_threads): New.
10919 (vrp_finalize): Call identify_jump_threads.
10920 (execute_vrp): Call finalize_jump_threads.
10921 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10922 (vrp_element, vrp_data, vrp_element_p): Remove.
10923 (vrp_hash_elt, vrp_variables_stack): Remove.
10924 (vrp_hash, vrp_eq, record_range): Remove.
10925 (simplify_cond_and_lookup_avail_expr): Remove.
10926 (extract_range_from_cond): Remove.
10927 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10928 (simplify_stmt_for_jump_threading): New.
10929 (dom_thread_across_edge): New wrapper.
10930 (tree_ssa_dominator_optimize): No longer initialize or
10931 finalize any of the VRP datastructures. Remove iteration
10932 step and simplify as a result of removal of iteration step.
10933 (pass_dominator): Perform a cfg cleanup after DOM.
10934 (dom_opt_finalize_block): Use the new common routines
10935 for threading jumps. Simplify stack management slightly.
10936 No longer need to unwind VRP state.
10937 (record_equivalences_from_incoming_edge): No longer record
10939 (eliminate_redundant_computations): No longer call
10940 simplify_cond_and_lookup_avail_expr.
10941 * tree-flow.h (potentially_threadable_block): Prototype.
10942 (thread_across_edge): Likewise.
10943 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10944 (tree-ssa-threadedge.o): Add dependencies.
10945 * tree-ssa-threadedge.c: New file.
10946 * passes.c (init_optimization_passes): Merge PHIs before
10947 calling VRP. Run VRP again late in the SSA optimization pipeline.
10949 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10951 * df-core.c (df_set_blocks): Do not dereference function pointers.
10952 (df_finish1): Likewise.
10953 (df_hybrid_search_forward): Likewise.
10954 (df_hybrid_search_backward): Likewise.
10955 (df_iterative_dataflow): Likewise.
10956 (df_analyze_problem): Likewise.
10957 (df_compact_blocks): Likewise.
10958 (df_dump): Likewise.
10959 * df-scan.c (df_rescan_blocks): Likewise.
10960 (df_record_entry_block_defs): Likewise.
10962 * genconditions.c (write_conditions): Guard the definition of
10963 'insn_conditions' with the check on GCC version.
10964 (write_writer): Guard the traversal 'insn_conditions' with
10965 the check on GCC version.
10967 2006-02-07 Richard Guenther <rguenther@suse.de>
10971 2006-01-30 Richard Guenther <rguenther@suse.de>
10973 * gimplify.c (gimplify_target_expr): Handle easy cases
10974 without creating a temporary.
10976 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10978 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10979 use of float in probability computations. Use edge probabilities
10980 in place of statically computed probabilities.
10981 (min_spec_prob): New static variable.
10982 (schedule_insns): Initialize it.
10983 (GET_SRC_PROB): Removed.
10984 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10986 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10989 * config/ia64/unwind-ia64.c: Revert last change.
10990 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10991 (INCOMING_FRAME_SP_OFFSET): Define.
10993 2006-02-06 Roger Sayle <roger@eyesopen.com>
10995 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10997 2006-02-07 Ben Elliston <bje@au.ibm.com>
10999 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11000 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11001 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11002 (ix86_return_in_memory): Handle TDmode.
11003 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11004 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11006 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11008 * reorg.c (dbr_schedule): Use dump_file instead of file.
11010 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11013 * config/ia64/predicates.md (extr_len_operand): New predicate.
11014 * config/ia64/ia64.md (extv): Tighten constraints.
11016 (*tbit_and_2): Ditto.
11017 (*tbit_and_3): Ditto.
11018 (*tbit_or_2): Ditto.
11019 (*tbit_or_3): Ditto.
11020 (*bit_zero): Ditto.
11023 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11026 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11028 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11030 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11031 loop_optimizer_init and loop_optimizer_finalize
11032 * tree-ssa-sink.c (execute_sink_code): Ditto.
11033 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11034 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11035 tree_ssa_loop_done): Ditto.
11036 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11037 * sched-ebb.c: Include output.h.
11038 (schedule_ebbs): Do not use dump argument.
11039 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11040 * loop.c (loop_dump_stream): Removed.
11041 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11043 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11044 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11045 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11046 loop_iterations, strength_reduce, record_biv, record_giv,
11047 final_giv_value, check_final_value, check_ext_dependent_givs,
11048 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11049 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11050 dump_file instead of loop_dump_stream.
11051 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11052 argument dump_file.
11053 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11055 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11056 * haifa-sched.c: Include output.h
11057 (schedule_insns, sched_init): Do not use dump argument.
11058 * mode-switching.c (optimize_mode_switching): Ditto.
11059 * modulo-sched.c (stats_file): Removed.
11060 (print_node_sched_params): Do not call argument dump_file.
11061 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11062 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11064 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11066 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11067 rtl_loop_init, rtl_loop_done): Ditto.
11068 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11069 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11071 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11072 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11073 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11074 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11075 * emit-rtl.c (renumber_insns): Ditto.
11076 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11077 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11078 * regclass.c (regclass): Ditto.
11079 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11080 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11081 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11082 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11084 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11085 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11087 * gcse.c (gcse_file, debug_stderr): Removed.
11088 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11089 rest_of_handle_gcse): Do not use dump argument.
11090 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11091 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11092 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11093 compute_code_hoist_vbeinout, compute_code_hoist_data,
11094 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11095 compute_store_table, build_store_vectors, insert_insn_start_bb,
11096 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11097 store_motion): Use dump_file instead of gcse_file.
11098 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11099 * profile.c (profile_dump_file): Removed.
11100 (branch_prob): Use dump_file instead of profile_dump_file.
11101 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11103 * tree-ssa-copy.c (dump_copy_of): Ditto.
11104 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11105 dump file to life_analysis.
11106 * bt-load.c (branch_target_load_optimize): Ditto.
11107 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11109 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11110 regclass, dbr_schedule): Declaration changed.
11111 * sched-int.h (sched_init): Declaration changed.
11112 * tree-profile.c (tree_profile_dump_file): Removed.
11113 (tree_profile_hooks): Removed profile_dump_file hook.
11114 * rtl-profile (rtl_profile_dump_file): Removed.
11115 (rtl_profile_hooks): emoved profile_dump_file hook.
11116 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11118 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11119 * tree-cfg.c (build_tree_cfg): Ditto.
11120 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11121 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11122 Declaration changed.
11123 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11124 life_analysis and schedule_insns.
11125 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11127 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11129 * config/mips/mips.c (mips_reorg): Ditto.
11130 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11133 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11135 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11136 (s390_mangle_fundamental_type): New.
11137 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11140 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11141 (alpha_mangle_fundamental_type): New.
11142 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11145 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11147 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11149 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11150 (sparc_mangle_fundamental_type): New.
11152 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11154 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11155 (s390x-*-linux*): Likewise.
11156 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11157 * config/s390/t-linux: New file.
11159 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11161 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11162 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11164 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11166 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11167 (ANTIC_SAFE_LOADS): New macro.
11168 (find_or_generate_expression): Add prototype.
11169 (set_contains_value): Allow null set for sake of not always having
11170 to allocate ANTIC_SAFE_LOADS.
11171 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11172 Allow COMPONENT_REF too.
11173 (valid_in_set): Allow COMPONENT_REF.
11174 Check ANTIC_SAFE_LOADS too.
11175 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11176 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11178 (can_PRE_operation): Add COMPONENT_REF.
11179 (create_component_ref_by_pieces): New function.
11180 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11181 (insert_aux): Move AGGREGATE_TYPE_P check here.
11182 (compute_avail): Set bb local stmt uids.
11183 (pass_pre): Use TODO_update_ssa_only_virtuals.
11185 2006-02-06 Ben Elliston <bje@au.ibm.com>
11187 * configure.ac: Unconditionally disable decimal float by default.
11188 * configure: Regenerate.
11190 2006-02-06 Ben Elliston <bje@au.ibm.com>
11192 * read-rtl.c (read_name): Terminate reading on EOF.
11194 2006-02-06 Ben Elliston <bje@au.ibm.com>
11196 * dfp.c (decimal_real_arithmetic): Change second argument type
11197 from int to enum tree_code. Do not always return true, but now
11198 return result of any call to decimal_do helper functions.
11199 * dfp.h (decimal_real_arithmetic): Update prototype.
11201 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11203 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11205 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11208 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11211 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11213 * tree-vrp.c (cfg_loops): Removed.
11214 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11215 Use current_loops instead of cfg_loops. Pass flags to
11216 loop_optimizer_init.
11217 * cfgloopmanip.c (fix_loop_structure): Update only available
11219 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11220 loop_optimizer_init.
11221 * modulo-sched.c (build_loops_structure): Removed.
11222 (sms_schedule): Use loop_optimizer_init.
11223 * loop-init.c (loop_optimizer_init): Use flags to determine
11224 which properties of loops to prepare.
11225 (rtl_loop_init): Pass flags to loop_optimizer_init.
11226 * tree-ssa-sink.c (execute_sink_code): Ditto.
11227 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11228 * tree-ssa-pre.c (init_pre): Ditto.
11229 * cfgloop.h (LOOPS_NORMAL): New.
11230 (loop_optimizer_init): Declaration changed.
11232 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11234 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11235 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11237 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11239 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11241 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11242 * pa/t-pa64: Delete quadlib.c rule.
11243 * pa/x-ada: Revert last change.
11244 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11246 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11248 PR rtl-optimization/26087
11249 * rtlanal.c (canonicalize_condition): Do not cross basic block
11252 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11255 * config/ia64/ia64.c: Include debug.h.
11256 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11257 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11258 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11259 (process_epilogue, process_set, process_for_unwind_directive):
11260 Output unwind info only if requested. Add CFA info if requested.
11261 Add new arguments as needed. Adjust callers.
11262 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11264 (DWARF2_FRAME_INFO): Define to zero.
11265 * config/ia64/unwind-ia64.c: Remove code that compensated for
11266 the CFA offset error fixed above.
11267 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11268 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11269 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11270 -funwind-tables and -fexceptions to enable frame info.
11271 (dwarf2out_frame_init): Define initial CFA even if
11272 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11273 DWARF2_UNWIND_INFO is nonzero, not just defined.
11274 (dwarf2out_frame_finish): Output non-EH call frame info only
11275 if DWARF2_FRAME_INFO is nonzero.
11276 (convert_cfa_to_loc_list,
11277 compute_frame_pointer_to_cfa_displacement): Define even if
11278 unwind info is not supported.
11279 (gen_subprogram_die): Use the above unconditionally. Remove
11280 legacy alternate code.
11281 * toplev.c (compile_file): Compile in call to
11282 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11283 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11285 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11286 Jakub Jelinek <jakub@redhat.com>
11288 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11289 IBM extended float format long double as "g" on powerpc*-linux.
11291 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11294 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11295 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11297 2006-02-03 Jason Merrill <jason@redhat.com>
11300 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11302 PR middle-end/25977
11303 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11304 on the return slot if it's an NRV.
11306 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11308 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11309 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11310 rewrite_use): Do not handle USE_OUTER.
11311 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11312 add_iv_outer_candidates, may_replace_final_value,
11313 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11314 (find_interesting_uses_op): Functionality of
11315 find_interesting_uses_outer_or_nonlin moved here.
11316 (find_interesting_uses_outside): Use find_interesting_uses_op.
11318 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11321 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11323 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11324 Ulrich Weigand <uweigand@de.ibm.com>
11327 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11328 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11329 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11330 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11332 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11333 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11334 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11335 Define secondary reloads for TFmode moves.
11336 (constant_modes): Add TFmode.
11337 (NR_C_MODES): Set to 8.
11338 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11340 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11341 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11342 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11343 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11344 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11345 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11346 (FPR mode macro): Add TFmode.
11347 (DSF mode macro): New.
11348 (<de>, <dee> mode attributes): Removed.
11349 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11350 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11351 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11352 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11353 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11354 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11355 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11356 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11357 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11358 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11359 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11360 "*negabs<mode>2", "sqrt<mode>2"):
11361 Changed <de> to <xde>. R constraint replaced by <Rf>.
11362 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11364 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11365 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11366 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11368 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11369 "extenddftf2", "extendsftf2"): New expanders.
11370 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11371 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11372 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11373 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11375 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11376 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11377 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11378 __floatditf): Add a GCC_4.1.0 symbol version tag.
11379 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11382 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11385 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11386 Use targetm.binds_local_p instead of TREE_PUBLIC.
11388 2006-02-02 Roger Sayle <roger@eyesopen.com>
11390 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11391 on INTEGER_TYPEs to indicate that it denotes a character type.
11392 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11393 signed_char_type_node, unsigned_char_type_node and char_type_node.
11394 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11395 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11396 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11398 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11399 Daniel Berlin <dberlin@dberlin.org>
11401 * tree-tailcall.c (arg_needs_copy_p): New function.
11402 (eliminate_tail_call): Use arg_needs_copy_p.
11403 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11404 (add_virtual_phis): New function.
11406 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11408 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11409 #ignore instead of #scratch for %g7 .register directive.
11411 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11413 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11416 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11418 * flow.c (calculate_global_regs_live): Assert that there aren't any
11421 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11423 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11424 what its name says.
11425 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11426 bsi_after_labels iterator.
11427 * tree-if-conv.c (find_phi_replacement_condition,
11428 replace_phi_with_cond_modify_expr): Likewise.
11429 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11430 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11432 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11434 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11436 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11439 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11440 array after growing it.
11442 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11444 PR middle-end/24901
11445 * fold-const.c (fold_checksum_tree): Change type of buf.
11447 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11449 * reload.c (push_secondary_reload): Initialize t_icode.
11451 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11453 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11454 -msoft-float -mlong-double-128 only issue a warning, but don't
11455 swich to DFmode long double.
11457 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11459 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11460 has a constant equivalent, iterate over equivalents for arg0,
11461 calling simplify_relational_operation and if there's a result
11462 cheaper than X, apply fold_rtx and return the result.
11464 2006-02-01 Jan Hubicka <jh@suse.cz>
11466 * opts.c (no_unit_at_a_time_default): New global variable.
11467 (decode_options): Use it.
11468 * opts.h (no_unit_at_a_time_default): Declare.
11470 2006-02-01 Paul Brook <paul@codesourcery.com>
11472 * function.c (assign_parm_setup_reg): Use function argument promotion
11474 * expr.c (expand_expr_real_1): Use function argument promotion rules
11477 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11479 * gcc.c (process_command): Change j to 'unsigned int'.
11481 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11483 PR middle-end/26001
11484 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11485 Use the corrected index for the character
11486 out of the string constant.
11488 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11490 * mode-switching.c (optimize_mode_switching): Fix size
11491 allocated for bb_info[n_entities].
11493 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11495 * gcc.c (main): Correct type that is allocated for
11496 explicit_link_files.
11498 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11500 * config/s390/s390.c (init_alignment_context): Set
11501 ALIAS_SET_MEMORY_BARRIER on the MEM.
11502 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11504 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11506 PR middle-end/25933
11507 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11509 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11512 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11514 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11515 * regrename.c: Ditto.
11516 * tree-ssa-loop-im.c: Ditto.
11517 * tree-dump.c: Ditto.
11518 * tree-complex.c: Ditto.
11519 * genrecog.c: Ditto.
11520 * tree-ssa-threadupdate.c: Ditto.
11522 * java/class.c: Ditto.
11523 * java/jcf-parse.c: Ditto.
11524 * java/resource.c: Ditto.
11525 * java/except.c: Ditto.
11526 * java/jvspec.c: Ditto.
11527 * java/jcf-write.c: Ditto.
11528 * java/jcf-path.c: Ditto.
11529 * java/gjavah.c: Ditto.
11530 * java/zextract.c: Ditto.
11531 * java/jcf-io.c: Ditto.
11532 * java/jcf.h: Ditto.
11533 * java/buffer.c: Ditto.
11534 * java/lang.c: Ditto.
11535 * java/parse-scan.y: Ditto.
11536 * java/lex.c: Ditto.
11537 * java/lex.h: Ditto.
11538 * cfgloopmanip.c: Ditto.
11539 * postreload-gcse.c: Ditto.
11540 * tree-ssa-loop-manip.c: Ditto.
11541 * postreload.c: Ditto.
11542 * tree-ssa-loop-ch.c: Ditto.
11545 * cppspec.c: Ditto.
11546 * diagnostic.c: Ditto.
11548 * genoutput.c: Ditto.
11550 * cfghooks.c: Ditto.
11551 * cfgloopanal.c: Ditto.
11552 * objc/objc-act.c: Ditto.
11554 * genextract.c: Ditto.
11555 * genautomata.c: Ditto.
11556 * pretty-print.c: Ditto.
11557 * genemit.c: Ditto.
11558 * cgraphunit.c: Ditto.
11560 * df-scan.c: Ditto.
11561 * haifa-sched.c: Ditto.
11562 * dominance.c: Ditto.
11564 * tree-ssa-loop-ivopts.c: Ditto.
11565 * df-core.c: Ditto.
11566 * mode-switching.c: Ditto.
11567 * modulo-sched.c: Ditto.
11569 * ipa-pure-const.c: Ditto.
11571 * fix-header.c: Ditto.
11573 * tree-stdarg.c: Ditto.
11574 * ipa-utils.c: Ditto.
11575 * loop-init.c: Ditto.
11576 * ipa-inline.c: Ditto.
11577 * cfganal.c: Ditto.
11579 * alloc-pool.c: Ditto.
11580 * dwarf2out.c: Ditto.
11582 * genattrtab.c: Ditto.
11583 * tree-ssa-loop-ivcanon.c: Ditto.
11584 * predict.c: Ditto.
11585 * timevar.c: Ditto.
11587 * fortran/gfortranspec.c: Ditto.
11588 * regmove.c: Ditto.
11589 * local-alloc.c: Ditto.
11590 * langhooks.c: Ditto.
11591 * function.c: Ditto.
11592 * tree-vectorizer.c: Ditto.
11594 * ipa-type-escape.c: Ditto.
11596 * tree-if-conv.c: Ditto.
11597 * profile.c: Ditto.
11599 * tree-data-ref.c: Ditto.
11600 * loop-unroll.c: Ditto.
11601 * treelang/treetree.c: Ditto.
11603 * bt-load.c: Ditto.
11604 * ggc-common.c: Ditto.
11606 * coverage.c: Ditto.
11608 * tree-cfgcleanup.c: Ditto.
11609 * tree-ssa-pre.c: Ditto.
11610 * cfgcleanup.c: Ditto.
11611 * loop-invariant.c: Ditto.
11612 * loop-iv.c: Ditto.
11613 * ipa-prop.c: Ditto.
11614 * print-tree.c: Ditto.
11615 * conflict.c: Ditto.
11616 * ggc-page.c: Ditto.
11617 * sched-deps.c: Ditto.
11618 * regclass.c: Ditto.
11619 * tree-object-size.c: Ditto.
11620 * combine.c: Ditto.
11621 * bb-reorder.c: Ditto.
11622 * resource.c: Ditto.
11623 * var-tracking.c: Ditto.
11624 * cfgloop.c: Ditto.
11625 * df-problems.c: Ditto.
11626 * reg-stack.c: Ditto.
11628 * gccspec.c: Ditto.
11629 * sched-rgn.c: Ditto.
11630 * tree-ssa-structalias.c: Ditto.
11631 * tree-ssa-reassoc.c: Ditto.
11632 * config/darwin-c.c: Ditto.
11633 * config/darwin.c: Ditto.
11634 * config/arm/arm.c: Ditto.
11636 * collect2.c: Ditto.
11637 * reload1.c: Ditto.
11639 2006-01-31 Nicolas Pitre <nico@cam.org>
11641 * arm.md (smaxsi3): Make aware of smax_m1.
11644 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11646 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11648 2006-01-31 Richard Guenther <rguenther@suse.de>
11650 * doc/invoke.texi (-msselibm): Document.
11651 * target.h (expand_library_builtin): New target hook.
11652 * builtins.c (expand_builtin): Use expand_library_builtin.
11653 (default_expand_library_builtin): New function.
11654 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11655 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11656 (link_gcc_math_spec): Declare.
11657 (static_specs): Add link_gcc_math_spec.
11658 * expr.h (default_expand_library_builtin): Declare.
11659 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11660 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11661 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11662 * config/i386/i386.opt (msselibm): New target option.
11663 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11664 (ix86_init_sse_abi_builtins): New function.
11665 (ix86_expand_library_builtin): Likewise.
11666 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11667 (override_options): Handle error conditions wrt -msselibm.
11668 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11669 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11670 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11673 2006-01-31 Richard Guenther <rguenther@suse.de>
11674 Paolo Bonzini <bonzini@gnu.org>
11676 * doc/install.texi (--disable-libgcc-math): Document.
11678 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11680 * expr.h (expand_normal): new inline function.
11681 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11682 * dojump.c: use it.
11683 * dwarf2out.c: use it.
11686 * expmed.c: use it.
11687 * except.c: use it.
11688 * config/sparc/sparc.c: use it.
11689 * config/i386/i386.c: use it.
11690 * config/rs6000/rs6000.c: use it.
11691 * config/arm/arm.c: use it.
11692 * config/mips/mips.c: use it.
11693 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11695 2006-01-30 Roger Sayle <roger@eyesopen.com>
11697 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11698 argv to the appropriate type.
11700 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11702 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11705 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11708 * config/s390/s390.c (struct machine_function): New flag
11709 decomposed_literal_pool_addresses_ok_p.
11710 (s390_reorg): Set it before final stage of literal pool transforms.
11711 (s390_decompose_address): Only accept displacements of the form
11712 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11714 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11716 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11717 the comparison routine return.
11719 2006-01-30 Michael Matz <matz@suse.de>
11721 * global.c (find_reg): Only evict for global regs.
11722 Take n_refs into account and dump more info.
11724 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11727 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11728 (pragma_trap, pragma_nosave_low_regs): Likewise.
11729 (current_function_anonymous_args): Likewise.
11730 (sh_deferred_function_attributes): New variable.
11731 (sh_deferred_function_attributes_tail): Likewise.
11732 (print_operand): For '@', look up trap_exit attribute.
11733 (calc_live_regs): Look up trapa_handler attribute. For trapa
11734 handlers, save/restore fpscr, but don't do any other
11735 interrupt-specific saves.
11736 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11737 Fix check for partially saved registers to check for SHmedia.
11738 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11739 (sh_output_function_epilogue): Don't clear any of the removed
11741 (sh_insert_attributes): Don't check pragma_interrupt.
11742 Insert deferred attributes. Check that interrupt attribute is
11743 present for other attributes that require its presence.
11744 (sh_attribute_table): Add new attributes trapa_handler and
11746 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11747 Don't check for pragma_interrupt. Don't store argument.
11748 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11749 (sh_deferred_function_attributes): Declare.
11750 (sh_deferred_function_attributes_tail): Likewise.
11751 * sh.md (sp_switch_1): Add operand. Change generator caller.
11752 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11753 (*return_i): Don't use when trap_exit attribute is in effect.
11754 (*return_trapa): New insn pattern.
11755 * sh-c.c: New file.
11756 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11757 setting c_target_objs and cxx_target_objs.
11758 * t-sh: Add rule for sh-c.o.
11760 2006-01-30 Richard Guenther <rguenther@suse.de>
11763 * gimplify.c (gimplify_target_expr): Handle easy cases
11764 without creating a temporary.
11766 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11768 * vec.h (safe_grow): Remove duplicated line.
11770 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11773 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11774 (expand_omp): ... here.
11775 (expand_omp_parallel): Only remove barriers for combined
11776 parallel+workshare constructs.
11778 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11782 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11783 * tree.c (build_qualified_type): Chain the new type to the original
11784 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11785 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11786 (build_pointer_type_for_mode): Only return unqualified types.
11787 (build_reference_type_for_mode): Likewise.
11789 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11791 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11792 * Makefile.in (CXX_COMPAT_WARN): Define.
11793 * configure: Regenerate.
11795 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11798 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11801 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11803 * toplev.c: Fix thinko.
11805 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11806 Marcin Dalecki <martin@dalecki.de>
11808 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11809 (push_srcloc): Use XNEW.
11810 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11812 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11814 * df-core.c (df_set_blocks): Deleted all variable.
11816 2006-01-28 Ian Lance Taylor <ian@airs.com>
11818 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11819 cgraph_output_pending_asms.
11821 2006-01-28 Zack Weinberg <zackw@panix.com>
11823 * c.opt: Add -W(no-)overlength-strings.
11824 * doc/invoke.texi: Document it.
11825 * c-opts.c (c_common_handle_option): -pedantic implies
11826 -Woverlength-strings, if not explicitly disabled already.
11827 (c_common_post_options): -Woverlength-strings defaults to off, and
11828 is always off for C++.
11829 * c-common.c (fix_string_type): Issue warning about strings longer
11830 than is portable only if warn_overlength_strings. Rearrange code
11831 a little for clarity.
11832 * configure.in: Check for -Wno-overlength-strings as well before
11833 enabling -pedantic in stage 1.
11834 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11835 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11837 * genconditions.c (write_header, write_one_condition)
11838 (write_conditions, write_writer): Consolidate very long strings
11839 that were broken up to fit in C89 portable limit. Don't use
11840 printf when fputs will do.
11842 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11844 * combine.c (simplify_comparison <AND>): Check
11845 TRULY_NOOP_TRUNCATION before start using a subreg.
11847 * config/mips/mips.md (*branch_zero<mode>,
11848 *branch_zero<mode>_inverted, *branch_equality<mode>,
11849 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11850 Remove mode check from comparisons.
11852 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11854 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11856 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11858 * expmed.c (const_mult_add_overflow_p): Remove.
11859 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11861 * recog.c (validate_replace_rtx_subexp): Remove.
11862 * recog.h: Remove the prototype for
11863 validate_replace_rtx_subexp.
11865 * integrate.h: Remove the prototype for
11866 copy_decl_for_inlining.
11867 * rtl.h: Remove the prototype for mark_constant_function.
11868 * tree-vectorizer.h: Remove the prototype for
11869 vect_strip_conversion.
11871 * modulo-sched.c (create_partial_schedule,
11872 free_partial_schedule, reset_partial_schedule): Make them
11875 * hooks.c (hook_bool_rtx_int_false): Remove.
11876 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11878 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11880 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11881 and -mlong-double-128 are incompatible.
11882 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11883 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11884 (TARGET_LIBGCC2_CFLAGS): Define.
11885 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11886 (TARGET_LIBGCC2_CFLAGS): Same.
11887 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11889 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11892 * c-typeck.c (build_binary_op): Perform implicit casts of
11893 operands before shortening them.
11895 * cfgloopmanip.c (split_loop_bb): Remove.
11896 * cfgloop.h: Remove the prototype for split_loop_bb.
11898 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11899 * cfgloop.h: Remove the prototype for
11900 flow_loop_outside_edge_p.
11902 * emit-rtl.c (init_virtual_regs): Make it static.
11903 * function.h: Remove the prototype for init_virtual_regs.
11905 * recog.c (peephole2_optimize): Make it static.
11906 * recog.h: Remove the prototype for peephole2_optimize.
11908 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11910 * df-scan.c (df_record_entry_block_defs): Check if
11911 INCOMING_RETURN_ADDR_RTX is defined.
11913 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11914 Kenneth Zadeck <zadeck@naturalbridge.com>
11916 PR rtl-optimization/24762
11917 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11918 * targhooks.c (hook_void_bitmap): New hook prototype.
11919 * targhoohs.h (hook_void_bitmap): Ditto.
11920 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11921 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11922 * target.h (live_on_entry): New function pointer.
11923 * df-scan.c (df_all_hard_regs): Removed.
11924 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11925 (df_scan_free_internal): Added df->entry_block_defs.
11926 (df_scan_alloc): Ditto.
11927 (df_scan_dump): Ditto.
11928 (df_uses_record): Plumbed flag field properly thru calls.
11929 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11930 This part fixes PR24762.
11931 (df_bb_refs_record): Added code to make the frame and arg
11932 pointers live in EH blocks.
11933 (df_refs_record): Added call to df_record_entry_block_defs.
11934 (df_record_entry_block_defs): New function.
11935 * df-core.c: Added comments to describe new artifical defs.
11936 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11937 (entry_block_defs): New field in struct df.
11938 (df_all_hard_regs): Deleted.
11939 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11940 * df-problems.c (df_ru_bb_local_compute_process_def):
11941 Added code to handle artifical defs in the entry to a function.
11942 (df_ru_bb_local_compute): Ditto.
11943 (df_rd_bb_local_compute_process_def): Ditto.
11944 (df_rd_bb_local_compute): Ditto.
11945 (df_lr_bb_local_compute): Ditto.
11946 (df_ur_bb_local_compute): Ditto.
11947 (df_urec_bb_local_compute): Ditto.
11948 (df_chain_create_bb): Ditto.
11949 (df_ur_local_finalize): Removed entry.
11950 (df_urec_init): Ditto.
11951 (df_urec_local_finalize): Ditto.
11952 (df_ri_bb_compute): Added detection of last use of pseudos.
11953 * Makefile.in (df-scan.o): Updated dependencies.
11954 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11955 * config/mips/mips.c (mips_set_live_on_entry): Added.
11956 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11958 * dce.c (marked_insn_p): Added code to handle artifical defs.
11960 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11962 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11964 (_mm_cvtsi128_si64): Likewise.
11965 (_mm_cvtsd_si64): Likewise.
11966 (_mm_cvttsd_si64): Likewise.
11967 (_mm_cvtsi64_sd): Likewise.
11968 (_mm_cvtsi64_si128): Likewise.
11969 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11970 (_mm_cvtsi64_m64): Likewise.
11971 (_m_to_int64): Likewise.
11972 (_mm_cvtm64_si64): Likewise.
11973 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11974 (_mm_cvttss_si64): Likewise.
11975 (_mm_cvtsi64_ss): Likewise.
11976 (_mm_cvtss_f32): Likewise.
11978 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11980 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11981 for pragma redefine_extname.
11983 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11986 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11987 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11988 -mno-minimal-toc to previous content.
11989 (bispecs): Remove goal.
11990 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11991 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11992 compatibility aliases on powerpc-*-*gnu*.
11993 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11994 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11995 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11996 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11997 (ldblspecs): New goal.
11998 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11999 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12001 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12002 L_sf_to_tf or L_df_to_tf is defined.
12004 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12005 Alan Modra <amodra@bigpond.net.au>
12008 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12009 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12010 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12011 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12012 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12013 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12014 (rs6000_override_options): Initialize rs6000_ieeequad.
12015 Initialize TFmode format to ibm_extended_format if not
12017 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12019 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12020 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12021 (function_arg_advance): IBM long double passed in two FPRs, not
12023 (function_arg): IBM long double passed in FPRs.
12024 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12025 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12026 Only multireg GPR aligned.
12027 (rs6000_init_libfuncs): Enable IBM long double functions if not
12029 (rs6000_generate_compare): Use IBM long double compare if not
12031 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12032 (TARGET_IEEEQUAD): Define.
12033 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12034 not TARGET_IEEEQUAD.
12035 * config/rs6000/rs6000.md: Enable TFmode patterns if
12037 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12038 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12039 and -mlong-double-128 are incompatible.
12040 * doc/invoke.texi (-mabi): Collect options together. Add
12041 ibmlongdouble and ieeelongdouble.
12043 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12045 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12047 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12048 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12049 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12050 * rtl.h (rtunion_def): Remove rt_ptr.
12052 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12053 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12054 * config/i386/winnt.c (i386_pe_mark_dllexport)
12055 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12057 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12059 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12061 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12065 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12066 pthread_key_delete. From John David Anglin. gthrw-ify
12067 pthread_getunique_np only if it it's not a macro. Delete
12069 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12070 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12071 __gthread_objc_condition_signal, __gthread_key_delete): Add
12072 "__attribute__ ((__unused__))" to unused arguments.
12073 (__gthread_recursive_mutex_init_function): Add missing return.
12074 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12075 gthr-posix95.h: Use macro-based approach for name redirection
12076 on targets missing weakref.
12078 2006-01-26 Zack Weinberg <zackw@panix.com>
12080 * genconditions.c (write_header): In generated code, #ifdef out
12081 all includes and fake declarations, except includes of bconfig.h
12082 and system.h, unless GCC_VERSION >= 3001. Do not include
12083 gensupport.h in any case.
12084 (write_conditions): Generate a definition of struct c_test. Add
12085 a comment to the generated #endif.
12086 (write_one_condition): Escape backslashes in string too.
12087 (write_writer): Generated code must escape backslashes and quote
12088 marks (but not newlines) in the strings it writes.
12089 * Makefile.in (build/gencondmd.o): Update dependencies.
12091 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12094 * Makefile.in (insn-automata.o): Add header file dependencies.
12095 * genautomata.c: Add includes.
12097 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12100 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12102 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12104 * configure.ac: Expect target tools paths to be passed from the toplevel
12105 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12107 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12109 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12112 * c.opt (Wpointer-sign): Init to -1.
12113 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12114 OPT_pedantic, to 0 otherwise.
12115 * doc/invoke.texi: Update.
12117 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12119 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12120 constants provided by 80387 instructions in the destination mode.
12122 2006-01-26 Richard Guenther <rguenther@suse.de>
12123 Andrew Pinski <pinskia@physics.uc.edu>
12126 partial PR tree-opt/17064
12127 * tree-ssa-structalias.c (intra_create_variable_infos):
12128 Create heap variables for incoming parameters if
12129 flag_argument_noalias > 1.
12130 (find_what_p_points_to): Look through default defs of
12133 2006-01-26 Jeff Law <law@redhat.com>
12136 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12137 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12138 within the VR_RANGE, use the VR_RANGE as the result, not the
12140 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12141 bounds for the type.
12143 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12145 * tree-ssa-alias.c (maybe_create_global_var): Change
12146 subvar walking to an assertion that we don't have subvar'd variables.
12148 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12151 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12152 Use a new variable, inner. PARM_DECLs are always non-weak.
12154 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12156 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12157 --disable-checking.
12159 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12161 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12163 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12165 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12166 (smax_insn, smin_insn, smax_0, smin_0): New.
12168 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12171 * config/cris/cris.c (cris_order_for_addsi3): New function.
12172 * config/cris/cris-protos.h: Prototype it.
12173 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12174 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12175 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12176 (split for "op.S1 [rx=rx+i],ry (swapped)")
12177 (split for "op(s|u).S1 [rx=rx+i],ry")
12178 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12179 Apply cris_order_for_addsi3 when generating addsi3 insns.
12181 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12183 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12184 (TREE_BLOCK): Add call to EXPR_CHECK.
12186 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12189 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12190 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12191 (dump_omp_clauses): ... here.
12192 (dump_generic_node): Handle OMP_CLAUSE.
12193 * tree.c (omp_clause_num_ops): New.
12194 (omp_clause_code_name): New.
12195 (tree_code_size): Handle OMP_CLAUSE.
12196 (tree_size): Likewise.
12197 (make_node): Document handling of OMP_CLAUSE.
12198 (tree_node_structure): Handle OMP_CLAUSE.
12199 (omp_clause_check_failed): New.
12200 (omp_clause_range_check_failed): New.
12201 (omp_clause_operand_check_failed): New.
12202 (build_omp_clause): New.
12203 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12204 * tree.h (enum omp_clause_code): Declare.
12205 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12206 (OMP_CLAUSE_RANGE_CHECK): Define.
12207 (OMP_CLAUSE_ELT_CHECK): Define.
12208 (omp_clause_check_failed): Declare.
12209 (omp_clause_operand_check_failed): Declare.
12210 (omp_clause_range_check_failed): Declare.
12211 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12212 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12213 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12214 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12215 (OMP_CLAUSE_IF_EXPR): Likewise.
12216 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12217 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12218 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12219 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12220 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12221 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12222 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12223 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12224 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12225 (OMP_CLAUSE_CODE): Define.
12226 (OMP_CLAUSE_SET_CODE): Define.
12227 (OMP_CLAUSE_CODE): Define.
12228 (OMP_CLAUSE_OPERAND): Define.
12229 (struct tree_omp_clause): Declare.
12230 (union tree_node): Add field 'omp_clause'.
12231 * treestruct.def (TS_OMP_CLAUSE): Define.
12232 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12233 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12234 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12235 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12236 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12237 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12238 (OMP_CLAUSE): Define.
12239 * print-tree.c (print_node): Handle OMP_CLAUSE.
12240 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12241 * c-typeck.c: Likewise.
12242 * gimplify.c: Likewise.
12243 * c-omp.c: Likewise.
12244 * tree-nested.c: Likewise.
12245 * tree-inline.c: Likewise.
12246 * c-parser.c: Likewise.
12247 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12250 2006-01-25 Roger Sayle <roger@eyesopen.com>
12252 PR rtl-optimization/25703
12253 * combine.c (try_combine): Handle zero_extract and strict_low_part
12254 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12256 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12258 * global.c: Fix comment typos.
12260 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12263 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12264 Use output_addr_const instead of assemble_name.
12266 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12268 * Makefile.in (sched-vis.o): Update dependencies.
12269 * haifa-sched.c (sched_finish): Clear current_sched_info.
12270 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12271 (dump_flow_info): Call it.
12272 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12274 * basic-block.h (dump_bb_info): Declare.
12275 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12276 option, and apply options only for dump files whose TDF_RTL,
12277 TDF_TREE, or TDF_IPA bits match.
12278 * rtl.h: Declare new functions exported from sched-vis.c.
12279 * sched-vis.c: Enable also if scheduling is not used.
12280 (print_value): Print the mode of registers if not inside scheduling.
12281 (print_insn): Make it work outside the scheduler. Beautify the output
12283 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12285 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12287 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12288 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12289 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12290 depending on the value of CONSTANT_POOL_ADDRESS_P.
12291 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12293 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12294 rather than SYMBOL_REF_DECL.
12295 (rtx_constant_pool): Remove const_rtx_sym_htab.
12296 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12297 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12298 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12299 Remove handling of const_rtx_sym_htab.
12300 (find_pool_constant): Delete.
12301 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12302 rather than find_pool_constant.
12303 (get_pool_constant_for_function): Delete.
12304 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12305 find_pool_constant.
12306 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12307 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12308 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12309 (SYMBOL_REF_CONSTANT): New macro.
12310 (get_pool_constant_for_function): Delete.
12311 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12312 rather than SYMBOL_REF_DECL.
12313 (i386_pe_mark_dllimport): Likewise.
12314 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12315 rather than SYMBOL_REF_DECL.
12316 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12317 (machopic_indirect_call_target): Likewise.
12319 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12321 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12323 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12325 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12327 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12329 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12331 2006-01-24 David Daney <ddaney@avtrex.com>
12334 * configure.ac (enable_tls): New enable option.
12335 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12336 * configure: Regenerate.
12337 * doc/install.texi (--enable-tls): Document new option.
12338 (--disable-tls): Ditto.
12340 2006-01-24 Richard Henderson <rth@redehat.com>
12342 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12343 * alias.c (true_dependence): Respect it.
12344 (canon_true_dependence, write_dependence_p): Likewise.
12345 * builtins.c (get_builtin_sync_mem): Set it.
12347 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12349 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12352 2006-01-24 DJ Delorie <dj@redhat.com>
12354 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12355 for storing constants in single-bit bitfields.
12357 2006-01-25 Ben Elliston <bje@au.ibm.com>
12359 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12361 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12364 * tree-ssa-pre.c (phi_translate): Return NULL
12365 for AGGREGATE_TYPE's.
12367 2006-01-24 Zack Weinberg <zackw@panix.com>
12369 * genautomata.c (process_state_for_insn_equiv_partition):
12370 Use xcalloc for insn_arcs_array.
12371 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12372 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12374 2006-01-24 Richard Henderson <rth@redhat.com>
12376 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12377 update all callers.
12379 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12381 PR rtl-optimization/25890
12382 PR rtl-optimization/25905
12383 * combine.c (expand_compound_operation, expand_field_assignment):
12384 Fail if the bitfield's final position is out of bounds.
12386 2006-01-24 Ian Lance Taylor <ian@airs.com>
12388 PR middle-end/25930
12389 * cgraphunit.c (cgraph_output_in_order): Don't clear
12390 cgraph_asm_nodes until after asm strings have been output.
12392 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12394 * fix-header.c (read_scan_file): Add new parameter imultilib when
12395 calling register_include_chains.
12397 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12399 * omp-low.c: Update documentation.
12401 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12402 Daniel Berlin <dberlin@dberlin.org>
12406 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12407 return from the function.
12409 2006-01-22 Zack Weinberg <zackw@panix.com>
12411 * rtl.def (match_code): Add second argument.
12412 * genpreds.c (write_extract_subexp): New function.
12413 (write_match_code): Add path argument. Use write_extract_subexp.
12414 (write_predicate_expr): Pass path to write_match_code.
12415 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12416 not perform a mode test.
12417 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12418 a subexpression does not constrain the top-level code set.
12419 * read-rtl.c (read_rtx_variadic): New function.
12420 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12421 * doc/md.texi: Document new notation.
12422 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12423 (cmpsi_operand): ... here, using new notation.
12425 2006-01-22 Zack Weinberg <zackw@panix.com>
12427 * varray.c: Remove GENERATOR_FILE #ifdefs.
12429 2006-01-22 Zack Weinberg <zackw@panix.com>
12431 * genautomata.c (output_reserved_units_table): Emit nothing if
12432 description->query_units_num is zero. Remove extra blank line.
12433 (output_cpu_unit_reservation_p): Short circuit
12434 if description->query_units_num is zero.
12436 2006-01-22 Zack Weinberg <zackw@panix.com>
12438 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12439 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12440 nor any of the random handful of variables that used to be necessary
12441 when this program was linked with rtlanal.o. Prune set of forward
12442 function declarations.
12443 (struct attr_desc): Remove static_p field.
12444 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12445 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12446 (attr_string): Do not read the character one past the length of
12448 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12449 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12450 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12451 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12452 (make_automaton_attrs): New.
12453 (main): Do not call into genautomata. Call local gen_bypass
12454 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12455 Remove special case for insn_alts.
12456 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12457 varray.h (leftover from previous change). Prune set of forward
12458 function declarations. Remove state_alts fields from all
12459 structures. Remove state_alts_table from struct automaton.
12460 Make everything except main static. Do not maintain num_dfa_decls.
12461 Do not maintain state_alts fields of various structures.
12462 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12463 (add_arc): Remove state_alts argument. All callers updated.
12464 (output_reserved_units_table): Emit #ifdef here...
12465 (output_tables): ...not here. Don't generate state_alts tables.
12466 (expand_automata): Don't generate attributes.
12467 (write_automata): Don't generate state_alts functions.
12468 (main): New function.
12469 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12470 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12471 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12472 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12473 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12474 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12475 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12476 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12478 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12479 * genattrtab.h: Delete file.
12480 * Makefile.in (OBJS-common): Add insn-automata.o.
12481 (insn-automata.o): New rule.
12482 (simple_generated_c): Add insn-automata.c.
12483 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12484 (genprogmd): Add automata.
12485 (build/genattrtab): Needs no extra objects nor libraries.
12486 (build/genautomata): Needs build/vec.o and -lm.
12488 2006-01-22 Zack Weinberg <zackw@panix.com>
12490 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12491 (output_dfa_max_issue_rate, locked_states_num): Delete.
12492 (struct automaton): Add locked_states field.
12493 (output_dead_lock_vect): Save number of locked states in
12494 automaton->locked_states. If it is zero, don't print anything.
12495 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12496 (output_internal_dead_lock_func): Only test the dead_lock_vect
12497 for automata that have locked states.
12498 (output_statistics): Always print the number of locked states for
12499 each automaton. Calculate total number of locked states here.
12500 (write_automata): Don't call output_dfa_max_issue_rate.
12501 * genattrtab.c: Define length_unit_log as a const variable.
12502 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12503 max_insn_queue_index const.
12504 * final.c (length_unit_log): Declare const.
12505 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12507 2006-01-22 Zack Weinberg <zackw@panix.com>
12509 * genautomata.c: Include vec.h, not varray.h.
12510 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12511 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12512 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12513 VEC_* macros operating on appropriately typed vectors, or to
12514 malloced arrays when the size is known in advance. Const-ify
12515 many char* variables and function arguments. No functional changes.
12516 * Makefile.in (build/varray.o): Delete rule.
12517 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12518 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12520 2006-01-22 Zack Weinberg <zackw@panix.com>
12522 * gensupport.c: Define get_insn_name and record_insn_name here.
12523 (read_md_rtx): Call record_insn_name as appropriate.
12524 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12525 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12526 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12528 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12529 (BUILD_VARRAY): Delete.
12530 (genprognormal): Rename genprogmd. Fold in all programs from
12531 genprognoprint; also attrtab.
12532 (build/genattrtab): Just mention genautomata.o and varray.o.
12533 Reorganize a bit, add comments to make the categories clearer.
12535 2006-01-22 Zack Weinberg <zackw@panix.com>
12537 * genconditions.c (condition_table, add_condition): Delete.
12538 (write_conditions): Don't emit n_insn_conditions nor
12539 insn_elision_unavailable. Issue the gcc version #ifdef here,
12540 inside the table, with no #else clause ...
12541 (write_header): ...not here.
12542 (write_writer): New function.
12543 (main): Don't initialize condition_table. Use add_c_test.
12545 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12546 files on the command line.
12547 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12548 Return -1 if there is no entry in the table, don't abort.
12549 (add_c_test, traverse_c_tests): New functions.
12550 * gensupport.h (insn_elision_unavailable, insn_conditions)
12551 (n_insn_conditions): Delete declarations.
12552 (add_c_test, traverse_c_tests): Declare.
12553 * read-rtl.c: Include gensupport.h.
12554 (read_conditions): New function.
12555 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12556 (read_rtx_1): If we get EOF when we were looking for an initial
12557 open paren, return 0. Call read_conditions when appropriate.
12558 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12559 dummy-conditions.o. Eliminate references to insn-conditions.o,
12560 or change them to build/gencondmd.o, as appropriate. Remove
12561 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12562 from $(simple_generated_c). For all files remaining in those
12563 two lists, add insn-conditions.md to the generator command line.
12564 Give insn-constants.h/s-constants their own rules. Add rules
12565 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12566 (build/read-rtl.o): Depend on gensupport.h.
12567 (genprognormal): Include preds.
12568 (genprogearly): Rename genprognoprint; only difference is now that
12569 they don't link with $(BUILD_PRINT).
12570 * dummy-conditions.c: Delete.
12572 2006-01-22 Zack Weinberg <zackw@panix.com>
12574 * genextract.c: Don't include insn-config.h. Do include vec.h.
12575 Declare vectors of int, char, and locstr.
12576 (locstr): New typedef.
12577 (struct extraction): Make all array fields into bare pointers.
12578 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12579 (insn_code_number): Delete.
12580 (accum_extract): New struct.
12581 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12582 (gen_insn): Take insn_code_number as an argument. Use an
12583 accum_extract structure instead of loading data directly into
12584 a struct extraction, and having to know how big it might get.
12585 (walk_rtx): Operate entirely on an accum_extract structure.
12586 (print_path): Avoid unnecessary use of printf.
12587 (print_header): New function, split out of main. Distinguish
12588 more carefully between an unrecognizable insn and an insn that
12589 has the code number of a define_expand.
12590 (main): Pass insn_code_number to gen_insn. Call print_header
12591 only after parsing. Avoid unnecessary use of printf.
12592 * Makefile.in (build/vec.o): New rule.
12593 (build/genextract): Depend on build/vec.o.
12594 (build/genextract.o): Don't depend on insn-config.h.
12596 2006-01-22 Zack Weinberg <zackw@panix.com>
12598 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12599 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12600 practical. Eliminate per-generator-program link rules.
12602 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12604 PR middle-end/24437
12605 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12606 with a call expr to ...
12607 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12609 2006-01-23 Richard Guenther <rguenther@suse.de>
12611 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12612 before make_edge with conditional EDGE_TRUE_VALUE.
12614 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12615 Jan Hubicka <jh@suse.cz>
12616 Richard Guenther <rguenther@suse.de>
12618 PR rtl-optimization/25654
12619 * cfgexpand.c (aggregate_contains_union_type): New function.
12620 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12621 for structure variables that contain a union type.
12623 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12625 * gengtype.c (new_structure): Return the structure.
12626 (create_option): Add an extra "next" argument.
12627 (create_field): New function.
12628 (adjust_field_rtx_def): Use create_option and create_field.
12629 Remove a now-unnecessary call to find_structure.
12630 (adjust_field_tree_def): Likewise.
12631 (note_yacc_type): Remove an unnecessary call to find_structure.
12632 * gengtype.h (new_structure): Return the structure.
12633 (create_option): Add an extra argument.
12634 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12635 (option): Adjust calls to create_option.
12637 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12639 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12641 2006-01-22 Paul Brook <paul@codesourcery.com>
12642 Peter Barada <peter@the-baradas.com>
12644 * config/m68k/m68k.md: Add Coldfire FPU support.
12645 Define FP mode macro and associated attributes.
12646 Use it for float mode patterns.
12647 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12648 (LIBCALL_VALUE): Use m68k_libcall_value.
12649 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12650 (m68k_function_value): Ditto.
12651 (emit_move_sequence): Ditto.
12652 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12653 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12654 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12655 (MULTILIB_EXCEPTIONS): Ditto.
12656 * config/m68k/m68k.opt: Add mcfv4e.
12657 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12658 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12659 (m68k_output_function_prologue): Save ColdFire FPU registers.
12660 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12661 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12662 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12663 ColdFire FPU registers.
12664 (m68k_libcall_value, m68k_function_value): New functions.
12665 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12666 (LIBCALL_VALUE): Use m68k_libcall_value.
12667 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12668 (MASK_COLDFIRE): Add MASK_CFV4E.
12669 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12670 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12671 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12672 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12673 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12674 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12675 * doc/invoke.tex: Document -mcfv4e on m68k.
12677 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12679 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12682 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12685 * c-opts.c (c_common_handle_option): Don't include
12686 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12687 * doc/invoke.texi (C++ Dialect Options): Document that
12688 -Wnon-virtual-dtor is no longer included in -Wall.
12690 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12692 * gcov.c (print_version), gcov-dump.c (print_version),
12693 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12696 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12698 * df-scan.c (problem_SCAN): Added NULL reset function.
12699 (df_scan_reset_blocks): Added code to call reset block function
12700 (df_bb_refs_delete) Fixed comment.
12701 (df_insn_refs_delete): Made tolerant of deleting non existent info
12702 for dataflow problems that need to be reset.
12703 * df-core.c (df_set_blocks): Ditto.
12704 * df.h (struct df_problem): Added reset_fun.
12705 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12706 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12707 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12708 functions to clear out all references to def-use or use-def chains.
12710 2006-01-21 Ben Elliston <bje@au.ibm.com>
12712 * varasm.c (assemble_real): Initialise data array.
12714 2006-01-20 Paul Brook <paul@codesourcery.com>
12716 Merge from csl-arm-branch.
12717 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12718 * config/arm/arm.md (movdi): Force operands[1] to a register
12719 if we have a non-register source.
12720 (*arm_movdi, *movdf_soft_insn): Require that one of the
12721 operands be a register.
12722 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12723 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12725 2006-01-20 DJ Delorie <dj@redhat.com>
12727 * varasm.c (initializer_constant_valid_p): Allow pointers
12728 initialized from integer constants of lesser precision.
12729 (output_constant): Allow non-int-sized pointer modes to be
12730 initialized from integer constants.
12732 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12735 * cppdefault.h (struct default_include): Add multilib flag.
12736 * cppdefault.c (cpp_include_defaults): Set it.
12737 * c.opt (-imultilib): New option.
12738 * c-opts.c (imultilib): New.
12739 (c_common_handle_option): Handle -imultilib.
12740 (c_common_post_options): Likewise.
12741 * c-incpath.c (add_standard_paths, register_include_chains):
12743 * c-incpath.h (register_include_chains): Add extra parameter.
12744 * gcc.c (do_spec_1): Generate -imultilib option.
12745 (The Specs Language): Update %I description.
12746 (process_command): Update copyright notice.
12747 * doc/cppopts.texi (-imultilib): Document.
12748 * doc/invoke.texi (-imultilib): Include in option summary.
12749 (%I): Update specs documentation.
12751 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12753 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12755 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12757 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12760 2006-01-20 Richard Guenther <rguenther@suse.de>
12761 Steven Bosscher <stevenb.gcc@gmail.com>
12763 PR rtl-optimization/24626
12764 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12765 EDGE_TRUE_VALUE if in RTL mode.
12768 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12769 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12771 2006-01-20 Dirk Mueller <dmueller@suse.com>
12774 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12775 instead of a special NOP marker.
12776 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12777 NOP marker handling.
12778 * c-common.h (empty_body_warning): Add forward declaration.
12779 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12780 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12782 2006-01-20 Paul Brook <paul@codesourcery.com>
12784 * Makefile.in (lang_checks): Keep going if mkdir fails.
12786 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12788 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12789 be able to clean out basic block when not necessary.
12790 (df_scan_free): Fixed to properly delete information if df is
12791 unused before calling df_finish.
12792 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12793 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12795 (df_bb_refs_delete): New function.
12796 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12797 * df-core.c (df_set_blocks): Added code to properly clean out
12798 unused blocks if they are not part of the blocks to consider.
12799 Added additional null check.
12800 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12801 be able to clean out basic block when not necessary
12802 * df.h (df_free_bb_function): Ditto.
12803 (df_bb_refs_delete): New function.
12804 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12805 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12806 basic block parameter to be able to clean out basic block when not
12808 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12809 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12810 Fixed to properly delete information if df is unused before
12813 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12815 PR rtl-optimization/25799
12816 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12817 Corrected confluence operator to remove bits from op2 before oring
12818 with op1 rather than removing bits from op1.
12819 (df_ru_transfer_function): Corrected test on wrong bitmap which
12820 caused infinite loop. Both of these problems were introduced in
12821 the dataflow rewrite.
12823 2006-01-19 DJ Delorie <dj@redhat.com>
12825 * reload1.c (find_reload_regs): Note the details of reload
12826 failures in the dump file.
12827 (spill_failure): Likewise.
12829 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12831 * loop-iv.c: Include df.h and hashtab.h.
12832 (enum iv_grd_result): New enum.
12833 (DF_REF_IV, DF_REF_IV_SET): New macros.
12834 (struct biv_entry): New.
12835 (df, bivs): New global variables.
12836 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12837 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12839 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12840 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12841 analyzed_for_bivness_p, record_biv): New functions.
12842 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12843 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12844 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12846 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12848 (iv_number_of_iterations): Use new interface to iv analysis.
12849 * loop-unroll.c: Do not include varray.h.
12850 (analyze_iv_to_split_insn): Use new interface to iv
12852 * loop-unswitch.c (may_unswitch_on): Ditto.
12853 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12855 (df_bb_modify): Realloc tables to the new index.
12856 (df_find_use): New function.
12857 * df.h (df_find_use): Declare.
12858 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12860 * cfgloop.h (struct rtx_iv): Remove analysed field.
12861 (iv_get_reaching_def): Removed.
12862 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12863 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12864 (loop-iv.o): Add df.h and hashtab.h dependency.
12865 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12867 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12870 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12872 (__floatundisf, __floatundidf): Likewise.
12873 * libgcc2.h (IS_IBM_EXTENDED): Define.
12875 2006-01-19 DJ Delorie <dj@redhat.com>
12877 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12879 2006-01-19 Paul Brook <paul@codesourcery.com>
12881 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12882 as nothrow when unwinding tables are disabled.
12884 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12887 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12888 of bit-field" when in system header.
12890 2006-01-19 DJ Delorie <dj@redhat.com>
12892 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12893 the 16 bit shift limit of the m16c.
12895 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12898 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12899 * config/i386/i386.c (output_set_got): Output the label if we have one
12900 for the TARGET_DEEP_BRANCH_PREDICTION case.
12902 2006-01-19 Jan Hubicka <jh@suse.cz>
12903 H.J. Lu <hongjiu.lu@intel.com>
12904 Evandro Menezes <evandro.menezes@amd.com>
12906 * invoke.texi (generic): Document
12908 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12909 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12910 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12911 (x86_use_incdec, x86_pad_returns): New variables
12912 (TARGET_CPU_DEFAULT_generic): New constant
12913 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12914 (enum processor_type): Add generic32 and generic64.
12915 * i386.md (cpu attribute): Add generic32/generic64
12916 (movhi splitter): Behave sanely when both partial_reg_dependency and
12917 partial_reg_stall are set.
12918 (K8 splitters): Enable for generic as well.
12919 * predicates.md (incdec_operand): Use TARGET_INCDEC
12920 (aligned_operand): Avoid memory mismatch stalls.
12921 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12922 * ppro.md: Enable for generic32
12923 * i386.c (generic64_cost, generic32_cost): New.
12924 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12925 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12926 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12927 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12928 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12929 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12930 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12931 x86_accumulate_outgoing_args, x86_prologue_using_move,
12932 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12933 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12934 Enable for generic.
12935 (x86_use_incdec, x86_pad_returns): New.
12936 (override_options): Add generic32 and generic64, translate "generic"
12937 to generic32/generic64 and "i686" to "generic32", refuse
12938 "generic32"/"generic64" as arch target.
12939 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12940 (ix86_reorg): Honor PAD_RETURNS.
12942 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12944 * tree-pretty-print.c (dump_generic_node): Handle
12945 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12946 * cgraph.c (cgraph_expand_queue): Rename from
12947 cgraph_analyze_queue. Update all users.
12948 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12949 cgraph_expand_queue.
12950 (cgraph_expand_all_functions): Likewise.
12951 (cgraph_finalize_pending_functions): Remove. Update callers.
12953 * tree.h (OMP_DIRECTIVE_P): Define.
12954 (OMP_PARALLEL_FN): Define.
12955 (OMP_PARALLEL_DATA_ARG): Define.
12956 (OMP_SECTIONS_SECTIONS): Define.
12957 * tree-pass.h (pass_expand_omp): Declare.
12958 * omp-low.c (struct omp_region): Declare.
12959 (struct omp_context): Remove fields 'parallel_type',
12960 'parallel_start_ix' and 'parallel_start_additional_args'.
12962 (struct omp_for_data): Rename from struct expand_omp_for_data.
12963 (omp_regions): New static variable.
12964 (root_omp_region): New static variable.
12965 (find_omp_clause): Make static.
12966 (is_in_combined_parallel_ctx): Remove.
12967 (is_combined_parallel): New.
12968 (extract_omp_for_data): Move earlier in the file.
12969 (workshare_safe_to_combine_p): New.
12970 (get_ws_args_for): New.
12971 (determine_parallel_type): Move earlier in the file.
12972 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12974 (omp_copy_decl): Likewise.
12975 (create_omp_child_function): Likewise.
12976 (lookup_omp_region): New.
12977 (dump_omp_region): New.
12978 (debug_omp_region): New.
12979 (debug_all_omp_regions): New.
12980 (new_omp_region): New.
12981 (scan_omp_parallel): If parallel_nesting_level > 1, the
12982 directive is nested within another parallel directive.
12983 Set OMP_PARALLEL_FN.
12984 (scan_omp_for): Do not try to handle combined parallel+for
12986 Remove FIXME comment.
12987 (scan_omp_nested): Remove.
12988 (scan_omp_1): Do not call scan_omp_nested when
12989 parallel_nesting_level is > 1.
12990 Do not change the DECL_CONTEXT of local variables found.
12991 (lookup_decl_in_outer_ctx): New.
12992 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12993 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12994 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12995 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12996 If CTX is nested, lookup VAR in the outer context when
12997 building copy assignment.
12998 (lower_send_clauses): Rename from expand_send_clauses.
12999 If CTX is nested, lookup VAR in the outer context when
13000 building copy assignments.
13001 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13002 If CTX is nested, lookup VAR in the outer context when
13003 building copy assignments.
13004 (expand_parallel_call): Rename from build_parallel_call.
13005 Handle combined parallel+workshare cases.
13006 Re-implement to emit code into the CFG.
13008 (expand_omp_parallel): Re-implement to emit code into the CFG.
13009 Call move_sese_region_to_fn to outline the sub-graph
13010 containing the parallel region.
13011 (expand_omp_for_1): Remove.
13012 (expand_omp_for_generic): Re-implement to emit code into the
13014 (expand_omp_for_static_nochunk): Likewise.
13015 (expand_omp_for_static_chunk): Likewise.
13016 (expand_omp_for): Likewise.
13017 (expand_omp_sections): Likewise.
13018 (remove_exit_barriers): New.
13019 (expand_omp_synch): New.
13021 (build_omp_regions_1): New.
13022 (build_omp_regions): New.
13023 (execute_expand_omp): New.
13024 (gate_expand_omp): New.
13025 (pass_expand_omp): Define.
13026 (lower_omp_sections): Rename from expand_omp_sections.
13027 Set OMP_SECTIONS_SECTIONS.
13028 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13029 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13030 (lower_omp_single): Rename from expand_omp_simple.
13031 (lower_omp_master): Rename from expand_omp_master.
13032 (lower_omp_ordered): Rename from expand_omp_ordered.
13033 (lower_omp_critical): Rename from expand_omp_critical.
13034 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13035 (lower_omp_for): Re-implement.
13036 (lower_omp_parallel): Re-implement.
13037 (lower_regimplify): Rename from expand_regimplify.
13038 (lower_omp_1): Rename from expand_omp_1.
13039 If there are syntax errors in the program, replace every
13040 OpenMP directive with NOP.
13041 Call lower_omp_* instead of expand_omp_*.
13042 (lower_omp): Rename from expand_omp.
13044 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13045 * tree-gimple.h (enum omp_parallel_type): Remove.
13046 (gimple_boolify): Declare extern.
13047 (find_omp_clause, determine_parallel_type): Remove.
13049 * gimple-low.c (lower_omp_directive): New.
13050 (lower_stmt): Call it.
13051 (record_vars_into): Move from ...
13052 (record_vars): ... here.
13053 Call record_vars_into with current_function_decl.
13055 * gimplify.c (struct gimplify_ctx): Remove fields
13056 combined_pre_p and combined_ctxp. Update users.
13057 (get_formal_tmp_var): Add documentation.
13058 (gimple_boolify): Make extern.
13059 (gimplify_expr_in_ctx): Remove. Update callers.
13060 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13061 will always be a BIND_EXPR.
13062 (gimplify_expr): Handle OMP_RETURN_EXPR.
13063 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13064 (OMP_PARALLEL): Add 3 operands.
13065 (OMP_SECTIONS): Add 1 operand.
13066 (OMP_RETURN_EXPR): Define.
13068 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13069 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13070 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13071 creating a circular free list.
13072 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13074 * tree-flow.h (move_sese_region_to_fn): Declare.
13075 (record_vars_into): Declare.
13076 * tree-cfg.c (make_omp_sections_edges): New.
13077 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13078 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13079 OMP_SECTIONS and OMP_SECTION.
13080 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13081 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13082 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13083 (gather_blocks_in_sese_region): New.
13084 (struct move_stmt_d): Declare.
13085 (move_stmt_r): New.
13086 (move_block_to_fn): New.
13087 (move_sese_region_to_fn): New.
13089 * passes.c (init_optimization_passes): Schedule
13090 pass_expand_omp after pass_init_datastructures.
13092 * tree-ssa-operands.c (get_expr_operands): Handle
13093 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13094 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13096 2006-01-19 Jeff Law <law@redhat.com>
13098 * tree-vrp.c (extract_range_from_assert): Refine the result range
13099 if the variable referenced by the ASSERT_EXPR has a range and
13100 either the tentative result range or the previous range is a
13103 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13105 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13107 2006-01-19 Jan Hubicka <jh@suse.cz>
13109 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13111 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13113 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13114 (expand_compound_operation, expand_field_assignment): Fail if the
13115 bit lengths of an extract operation are out of range.
13116 (make_extraction): Compute wanted_inner_mode based on the position
13117 and length of the extraction. Make it extraction_mode for non-constant
13118 positions, and do not modify offset in that case. When generating a
13119 new MEM, use a mode that can hold the extraction while keeping correct
13120 alignment. Remove code that supported MEMs wrapped by USEs.
13121 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13123 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13125 * config/s390/s390.md ("Y", "y"): New mode attribute.
13126 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13127 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13128 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13129 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13130 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13131 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13132 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13133 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13134 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13135 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13136 "addsi3", "subsi3"): Insn patterns removed.
13137 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13138 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13139 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13140 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13141 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13142 "*sub<mode>3_cconly2"): New insn patterns.
13143 ("addsi3", "subsi3"): New expanders.
13145 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13147 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13148 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13149 existing STMT_VINFO_VECTYPE if available.
13150 (vect_mark_relevant): Add special handling for stmts that are
13151 marked as STMT_VINFO_IN_PATTERN_P.
13152 (vect_analyze_loop): Call vect_pattern_recog.
13153 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13154 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13156 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13157 (vect_recog_func_ptr): New function-pointer type.
13158 * tree-vect-patterns.c: New file.
13159 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13160 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13161 (vect_pattern_recog_1): New functions.
13162 (vect_pattern_recog_funcs): New array of function pointers.
13164 * tree-vectorizer.h (ternary_op): New enum value.
13165 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13166 declaration. Revised documentation. Removed redundant dump prints.
13167 Removed redundant argument. Added support for reduction patterns.
13168 (vectorizable_reduction): Added support for reduction patterns.
13169 (vect_transform_stmt): Added support for patterns.
13171 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13172 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13173 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13174 (expand_widen_pattern_expr): New function.
13175 (init_optabs): Initialize new optabs udot_prod_optab,
13177 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13178 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13179 (expand_widen_pattern_expr): New function declaration.
13180 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13182 * tree-inline.c (estimate_num_insns_1): Added cases for new
13183 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13184 * tree-pretty-print.c (dump_generic_node): Likewise.
13185 (op_prio): Likewise.
13186 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13187 * tree-ssa-operands.c (get_expr_operands): Added case for
13189 * tree-vect-patterns.c (widened_name_p): New function.
13190 (vect_recog_dot_prod_pattern): Added function implementation.
13191 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13192 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13193 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13194 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13196 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13197 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13198 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13199 (init_optabs): Initialize new optabs widen_ssum_optab,
13201 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13202 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13203 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13204 use instead of type of def.
13205 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13206 function implementation.
13207 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13208 widen_ssumv8hi): New.
13210 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13213 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13216 * c-decl.c (add_flexible_array_elts_to_size): New function.
13217 (finish_decl): Use it.
13219 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13221 * diagnostic.h: Include options.h.
13222 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13223 dependancies for diagnostic.h.
13224 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13226 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13228 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13229 (ssa_ro_call_cache_valid): Ditto.
13230 * tree-ssa-alias.c (sort_tags_by_id): New function.
13231 (init_transitive_clobber_worklist): Ditto.
13232 (add_to_worklist): Ditto.
13233 (mark_aliases_call_clobbered): Ditto.
13234 (compute_tag_properties): Ditto.
13235 (set_initial_properties): Ditto.
13236 (compute_call_clobbered): Ditto.
13237 (compute_may_aliases): Call compute_call_clobbered and grouping.
13238 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13239 (compute_flow_insensitive_aliasing): Grouping now happens in our
13241 (setup_pointers_and_addressables): Remove clobbering related code.
13242 (add_may_alias): Ditto.
13243 (replace_may_alias): Ditto.
13244 (get_nmt_for): Ditto.
13245 (create_global_var):
13246 (is_escape_site): Return an escape_type enumeration.
13247 * tree-flow-inline.h (is_call_clobbered): Global var does not
13248 imply call clobbered.
13249 (mark_call_clobbered): Take a reason for marking this. Remove
13250 marking of globalness, and cache invalidation.
13251 (clear_call_clobbered): Remove cache invalidation code.
13252 * tree-dfa.c (dump_variable): If details is on, dump the reason
13254 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13256 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13257 (struct var_ann_d): Ditto.
13258 (enum escape_type): New.
13259 (mark_call_clobbered): Adjust prototype.
13260 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13261 are never call clobbered.
13262 Record reasons for escaping.
13263 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13264 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13265 (ssa_ro_call_cache_valid): Ditto.
13266 (clobbered_v_may_defs): Ditto.
13267 (clobbered_vuses): Ditto.
13268 (ro_call_vuses): Ditto.
13269 (clobber_stats): New.
13270 (init_ssa_operands): Zero out clobber stats.
13271 (fini_ssa_operands): Print out clobber stats.
13272 (get_call_expr_operands): Pass callee fndecl to
13273 add_call_read_ops).
13274 (add_call_clobber_ops): Remove use of cache.
13275 Add use of PURE_CONST information.
13276 (add_call_read_ops): Remove use of cache.
13277 Add use of static not_read information.
13279 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13281 Introduce TLS descriptors for i386 and x86_64.
13282 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13283 (TARGET_ANY_GNU_TLS): New macro.
13284 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13285 (struct machine_function): Add tls_descriptor_call_expanded_p.
13286 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13287 (ix86_current_function_calls_tls_descriptor): Likewise.
13288 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13289 (override_options): Introduce gnu2 tls dialect.
13290 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13292 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13294 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13295 (ix86_init_machine_status): Initialize new field.
13296 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13297 (ix86_tls_module_base): New.
13298 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13299 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13300 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13301 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13302 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13303 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13304 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13305 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13306 * config/i386/predicates.md (tls_modbase_operand): New.
13307 (tp_or_register_operand): New.
13309 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13311 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13312 (look_for_address_of): Ditto.
13313 (ipa_init): Walk the function decls.
13314 (static_execute): Don't set readonly on FUNCTION_DECL's.
13316 2006-01-18 Roger Sayle <roger@eyesopen.com>
13318 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13319 for shifts where the source and destination registers are different.
13321 2006-01-18 Paul Brook <paul@codesourcery.com>
13323 Merge from csl-arm-branch.
13324 2005-03-14 Julian Brown <julian@codesourcery.com>
13325 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13326 (aeabi_llsl): Likewise.
13327 (ashrdi3): Likewise.
13328 (aeabi_lasr): Likewise.
13329 (lshrdi3): Likewise.
13330 (aeabi_llsr): Likewise.
13331 2005-03-10 Julian Brown <julian@codesourcery.com>
13332 * config.gcc: Disable shared libgcc for SymbianOS.
13333 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13335 2006-01-18 DJ Delorie <dj@redhat.com>
13337 * c-pragma.c (handle_pragma_diagnostic): New.
13338 (init_pragma): Register it.
13339 * doc/extend.texi: Document it.
13341 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13342 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13343 (diagnostic_context): Add classify_diagnostic[].
13344 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13345 as errors if they're overridden to DK_WARNING.
13346 (diagnostic_initialize): Initialize classify_diagnostic[].
13347 (diagnostic_set_kind_override): New.
13348 (diagnostic_report_diagnostic): Check for kind changes.
13349 * opts.c (common_handle_option): Take lang_mask. Update callers.
13350 Handle OPT_Werror_.
13351 * common.opt (Werror=): New.
13352 * doc/invoke.texi: Document -Werror=*
13354 2006-01-18 Jeff Law <law@redhat.com>
13356 * tree-vrp.c (test_for_singularity): Correct test for new
13357 min limit. Use operand_equal_p rather than pointer equality
13358 for testing if new min/max values are equal.
13360 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13361 using range information until after propagation and folding.
13363 2006-01-18 Richard Henderson <rth@redhat.com>
13364 Aldy Hernandez <aldyh@redhat.com>
13365 Jakub Jelinek <jakub@redhat.com>
13366 Diego Novillo <dnovillo@redhat.com>
13368 * omp-low.c: New file.
13369 * c-omp.c: New file.
13371 2006-01-18 Richard Henderson <rth@redhat.com>
13372 Jakub Jelinek <jakub@redhat.com>
13373 Diego Novillo <dnovillo@redhat.com>
13375 * doc/invoke.texi: Document -fopenmp.
13376 * tree-dump.h (debug_function): Declare.
13377 * hooks.c (hook_bool_tree_bool_false): New function.
13378 (hook_tree_tree_null): Remove.
13379 (hook_tree_tree_tree_null): New.
13380 * hooks.h: Update to match.
13381 * tree-pretty-print.c (debug_tree_chain): New.
13382 (print_generic_expr): Handle TDF_CHAIN.
13383 (dump_generic_node): Handle BLOCK.
13384 Do not abort with incomplete SWITCH_EXPRs.
13385 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13386 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13387 print space after directive name.
13388 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13389 Handle OMP_MASTER and OMP_ORDERED.
13390 Handle printing of OMP_BODY just in one place, goto
13391 dump_omp_body in the rest of OMP_* nodes that have
13393 Don't handle clause nodes here. Update omp statements to
13394 use dump_omp_clauses.
13395 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13396 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13397 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13398 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13399 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13400 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13401 Adjust output for GOMP_PARALLEL.
13402 (dump_omp_clauses): New.
13403 (print_declaration): Dump DECL_VALUE_EXPR.
13404 (op_symbol_1): Split out of op_symbol.
13405 (dumping_stmts): Remove. Update all users.
13406 * cgraph.c (cgraph_analyze_queue): New.
13407 (cgraph_add_new_function): New.
13408 * cgraph.h (cgraph_analyze_queue): Declare.
13409 (cgraph_add_new_function): Declare.
13410 (cgraph_lower_function): Remove.
13411 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13412 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13413 and TYPE_P nodes in its default clause.
13414 (empty_body_p): New.
13415 (tree_range_check_failed): New.
13416 (build5_stat): New.
13417 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13418 OMP_CLAUSE_REDUCTION_MERGE,
13419 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13420 OMP_CLAUSE_PRIVATE_DEBUG,
13421 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13422 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13423 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13424 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13425 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13426 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13427 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13428 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13429 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13430 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13431 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13432 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13433 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13434 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13435 (TREE_RANGE_CHECK): New.
13436 (empty_body_p): Declare.
13437 (enum omp_clause_default_kind): New.
13438 (build_string_literal): Declare.
13439 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13440 (build5_stat, build5): Declare.
13441 * tree-pass.h (TDF_CHAIN): Define.
13442 * tree-pass.h (PROP_gimple_lomp): Define.
13443 (pass_lower_omp): Declare.
13444 * diagnostic.h (debug_tree_chain): Declare.
13445 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13447 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13448 * builtins.c (build_string_literal): Make extern.
13449 * gcc.c (include_spec_function): New.
13450 (static_spec_functions): Add it.
13451 (main): Move load of libgomp.spec ...
13452 (LINK_COMMAND_SPEC): ... here.
13453 (link_gomp_spec): New.
13454 (static_specs): Include it.
13455 (LINK_COMMAND_SPEC): Add link_gomp.
13456 (GOMP_SELF_SPECS): New.
13457 (driver_self_specs): Include it.
13458 (switch_matches): Don't mark inline.
13459 (main): Load libgomp.spec.
13460 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13461 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13462 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13463 * tree-gimple.h (enum omp_parallel): Declare.
13464 (determine_parallel_type): Declare.
13465 (omp_firstprivatize_variable): Declare.
13466 (omp_reduction_init): Declare.
13467 (diagnose_omp_structured_block_errors): Declare.
13468 (struct walk_stmt_info): Add want_return_expr.
13469 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13470 (find_omp_clause): Declare.
13471 (insert_field_into_struct): Declare.
13472 (struct walk_stmt_info): Move from tree-nested.c
13473 (walk_stmts): Declare.
13474 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13476 * cgraphunit.c (cgraph_lower_function): Make static.
13477 (cgraph_finalize_pending_functions): New.
13478 (cgraph_finalize_function): Call it.
13479 (cgraph_finalize_compilation_unit): Likewise.
13480 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13481 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13482 (BT_FN_UINT_UINT): New.
13483 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13484 DEF_FUNCTION_TYPE_VAR_4): Document.
13485 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13486 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13487 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13488 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13489 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13490 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13491 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13492 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13493 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13494 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13495 into separate files.
13496 (DEF_GOMP_BUILTIN): New.
13497 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13498 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13499 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13500 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13501 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13502 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13503 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13504 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13505 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13506 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13507 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13508 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13509 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13510 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13511 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13512 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13513 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13514 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13515 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13516 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13517 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13518 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13519 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13520 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13521 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13522 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13523 * sync-builtins.def: New file, moved from builtins.def.
13524 * omp-builtins.def: New file, moved from builtins.def.
13525 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13526 * gimple-low.c (lower_function_body): Clear data.
13527 (lower_stmt): Do not handle COMPOUND_EXPR.
13528 Remove call to print_node_brief.
13529 * c-tree.h (c_finish_omp_clauses): New prototype.
13530 (C_DECL_THREADPRIVATE_P): Define.
13531 (lookup_name_no_remap, c_omp_remap_private): Remove
13532 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13533 (check_for_loop_decls): Update decl.
13534 (lookup_name_no_remap, c_omp_remap_private): Declare.
13535 (build_indirect_ref, build_modify_expr, pushdecl,
13536 pushdecl_top_level): Move to c-common.h.
13537 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13538 before the switch, but just in the 2 places that need it.
13539 * c-decl.c (diagnose_mismatched_decls): Do not check for
13540 mismatched thread-local attributes when OLDDECL is marked
13541 threadprivate and NEWDECL has no thread-local attributes.
13542 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13543 (c_gimple_diagnostics_recursively): Rename from
13544 c_warn_unused_result_recursively. Invoke
13545 diagnose_omp_structured_block_errors.
13546 (check_for_loop_decls): Return a singular decl found.
13547 * langhooks.c (lhd_omp_predetermined_sharing): Return
13548 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13549 (lhd_omp_firstprivatize_type_sizes): New.
13550 (lhd_omp_assignment): New.
13551 (lhd_omp_predetermined_sharing): New.
13552 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13553 (struct lang_hooks_for_types): Add
13554 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13555 omp_predetermined_sharing, omp_disregard_value_expr,
13556 omp_private_debug_clause, omp_clause_default_ctor,
13557 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13558 (c_finish_omp_clauses): New.
13559 (c_finish_bc_stmt): Diagnose break within omp for.
13560 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13561 (build_unary_op): Return error_mark after reporting
13563 (build_modify_expr): Likewise.
13564 * gimplify.c: Include optabs.h and pointer-set.h.
13565 (enum gimplify_omp_var_data): Declare.
13566 (struct gimplify_omp_ctx): Declare.
13567 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13569 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13570 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13571 (splay_tree_compare_decl_uid): New.
13572 (new_omp_context): New.
13573 (delete_omp_context): New.
13574 (gimple_add_tmp_var): Call omp_add_variable.
13575 (gimplify_bind_expr): Likewise.
13576 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13577 true, disregard DECL_VALUE_EXPR on the decl if any.
13578 (gimplify_expr_in_ctx): New.
13579 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13580 omp_add_variable, omp_notice_variable, omp_is_private
13581 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13582 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13583 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13584 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13585 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13586 gimplify_omp_atomic): New.
13587 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13588 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13589 OMP_CRITICAL and OMP_ATOMIC.
13590 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13591 * c-pragma.h (enum pragma_kind): Add
13592 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13593 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13594 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13595 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13596 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13597 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13598 PRAGMA_OMP_THREADPRIVATE.
13599 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13600 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13601 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13602 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13603 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13604 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13605 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13606 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13607 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13608 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13609 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13610 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13611 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13613 (struct nesting_info): Add field_map,
13614 suppress_expansion, debug_var_chain.
13615 (create_nesting_tree): Initialize them.
13616 (lookup_field_for_decl): Use field_map.
13617 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13618 (convert_local_omp_clauses): New.
13619 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13620 (walk_body): Split out of walk_function.
13621 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13622 (convert_nonlocal_reference): Handle omp statements.
13623 (convert_local_reference): Likewise.
13624 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13625 (unnest_nesting_tree): New.
13626 (lower_nested_functions): Call it.
13627 (insert_field_into_struct): Make extern.
13628 (struct walk_stmt_info): Move to tree-gimple.h.
13629 (walk_stmts): Make extern.
13630 * omp-builtins.def: New file.
13631 * tree-iterator.c (expr_only): Clarify comment.
13632 * c-common.h (pushdecl_top_level, pushdecl,
13633 build_modify_expr, build_indirect_ref,
13634 c_finish_omp_master, c_finish_omp_critical,
13635 c_finish_omp_ordered, c_finish_omp_barrier,
13636 c_finish_omp_atomic, c_finish_omp_flush,
13637 c_finish_omp_for, c_split_parallel_clauses,
13638 omp_clause_default_kind, c_omp_sharing_predetermined,
13639 c_omp_remap_decl): Declare.
13640 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13641 (OBJS-common): Add omp-low.o.
13642 (c-omp.o, omp-low.o): Add.
13643 (gimplify.o): Add dependency on $(OPTABS_H).
13644 (GTFILES): Add omp-low.c.
13645 (gt-stringpool.h): Add.
13646 * tree-cfg.c (set_bb_for_stmt): Do not update the
13647 block-to-labels map if we are currently expanding to RTL.
13648 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13650 Handle IDENTIFIER_NODE.
13651 (tree_verify_flow_info): Do not ICE when emitting error
13652 messages about invalid labels.
13653 (dump_function_to_file): Reset CFUN before emitting the body
13655 (debug_function): New.
13656 * passes.c (init_optimization_passes): Schedule
13658 * langhooks-def.h (lhd_omp_predetermined_sharing,
13659 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13661 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13662 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13663 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13664 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13665 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13666 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13667 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13668 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13669 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13670 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13671 (LANG_HOOK_DECLS): Use them.
13673 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13674 Richard Henderson <rth@redhat.com>
13675 Jakub Jelinek <jakub@redhat.com>
13676 Diego Novillo <dnovillo@redhat.com>
13678 * c-parser.c (pragma_omp_clause): Define.
13679 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13680 (c_parser_compound_statement): Likewise.
13681 (c_parser_statement): Likewise.
13682 (c_parser_pragma): Handle omp pragmas.
13683 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13684 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13685 (c_parser_omp_clause_name, check_no_duplicate_clause,
13686 c_parser_omp_variable_list,
13687 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13688 c_parser_omp_clause_copyprivate,
13689 c_parser_omp_clause_default,
13690 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13691 c_parser_omp_clause_lastprivate,
13692 c_parser_omp_clause_nowait,
13693 c_parser_omp_clause_num_threads,
13694 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13695 c_parser_omp_clause_reduction,
13696 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13697 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13698 c_parser_omp_atomic, c_parser_omp_barrier,
13699 c_parser_omp_critical, c_parser_omp_flush,
13700 c_parser_omp_for_loop, c_parser_omp_for,
13701 c_parser_omp_master, c_parser_omp_ordered,
13702 c_parser_omp_sections_scope, c_parser_omp_sections,
13703 c_parser_omp_parallel, c_parser_omp_single,
13704 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13705 * c-pragma.c (init_pragma): Do omp pragma registration here.
13706 * c.opt (fopenmp): New flag.
13708 2006-01-18 Eric Christopher <echristo@apple.com>
13710 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13711 * config/darwin.h (GOMP_SELF_SPECS): Define.
13713 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13715 * rtl.h: Remove the prototype for reg_alloc.
13717 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13720 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13721 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13722 sjlj and dwarf2 exception handling.
13723 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13724 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13725 * pa/pa.c (function_value): Treat complex and vector types as
13727 (function_arg): Likewise. Only pass scalar floats in the floating
13728 point argument registers.
13729 * pa/t-slibgcc-dwarf-ver: New file.
13730 * pa/t-slibgcc-sjlj-ver: New file.
13731 * pa/t-slibgcc-elf-ver: Delete file.
13733 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13735 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13736 unlikely_test_section_p test.
13738 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13740 * mode-switching.c (optimize_mode_switching): Make it static.
13741 * basic-block.h: Remove the prototype for
13742 optimize_mode_switching.
13744 * modulo-sched.c (sms_schedule): Make it static.
13745 * rtl.h: Remove the prototype for sms_schedule.
13747 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13748 * rtl.h: Remove the prototype for gcse_after_reload_main.
13750 * reg-stack.c (reg_to_stack): Make it static.
13751 * rtl.h: Remove the prototype for reg_to_stack.
13753 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13755 * rtl.h: Remove the prototypes for regrename_optimize and
13756 copyprop_hardreg_forward.
13758 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13760 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13761 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13762 Test against the appropriate null constant for the mode.
13763 If 'fixup_overlap' is true, swap the operands if they overlap.
13764 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13765 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13766 alpha_split_tmode_pair and adjust for above change.
13767 * config/alpha/alpha.md (movtf_internal): Adjust call to
13768 alpha_split_tfmode_pair and rely on it to swap the operands.
13769 (movti_internal): New insn and post-reload splitter.
13770 (movti): New expander.
13772 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13774 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13777 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13779 * rtlanal.c (global_reg_mentioned_p_1,
13780 global_reg_mentioned_p): Remove.
13781 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13783 * flow.c (initialize_uninitialized_subregs): Make it static.
13784 * rtl.h: Remove the prototype for
13785 initialize_uninitialized_subregs.
13787 * function.c (instantiate_virtual_regs): Make it static.
13788 * function.h: Remove the prototype for
13789 instantiate_virtual_regs.
13791 * regmove.c (regmove_optimize, combine_stack_adjustments):
13793 * rtl.h: Remove the prototypes for regmove_optimize and
13794 combine_stack_adjustments.
13796 2006-01-17 Roger Sayle <roger@eyesopen.com>
13798 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13799 (size_cost): Encode costs in bytes so that a reg-reg addition is
13800 equivalent to COSTS_N_INSNS(1).
13801 (override_options): Use the size_cost.branch_cost as the default
13802 ix86_branch_cost when optimizing for size.
13804 2006-01-18 Ben Elliston <bje@au.ibm.com>
13806 * Makefile.in (D32PBIT_FUNCS): New.
13807 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13808 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13809 D64PBIT_FUNCS and D128PBIT_FUNCS.
13810 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13811 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13813 (decnumber_dep): Define.
13814 * doc/libgcc.texi (Decimal float library routines): New node.
13815 * config/dfp-bit.h, config/dfp-bit.c: New files.
13817 2006-01-18 Ben Elliston <bje@au.ibm.com>
13819 * expr.c (emit_move_change_mode): Always adjust addresses, not
13820 just during reload. Copy replacements only during reload.
13821 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13822 emit_move_via_integer.
13824 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13826 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13827 instead of $(srcdir) and ${srcdir}.
13829 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13832 PR middle-end/11135
13833 * arm.h (struct machine_function): Add pic_reg.
13834 * arm.c (arm_pic_register): Make unsigned.
13835 (arm_override_options): Only set arm_pic_register if
13836 TARGET_SINGLE_PIC_BASE.
13837 (use_return_insn): Only test for a pic register if it is fixed.
13838 (arm_compute_save_reg0_reg12_mask): Likewise.
13839 (thumb_compute_save_reg_mask): Likewise.
13840 (legitimate_pic_operand): Factor out some known invariants.
13841 (legitimize_pic_address): If we don't have a fixed pic register,
13842 then set up a pseudo in the function entry sequence. Handle the
13843 pic base being in a pseudo.
13844 (arm_load_pic_register): Handle the pic register being in a pseudo.
13845 (arm_expand_prologue): Only set up the pic register if it is fixed.
13846 (thumb_expand_prologue): Likewise.
13847 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13848 (pic_load_addr_based_insn): Likewise.
13849 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13852 2006-01-18 Ben Elliston <bje@au.ibm.com>
13854 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13855 decimal float modes for all floating point registers.
13857 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13858 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13860 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13863 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13864 even when the pointer is not NULL.
13866 2006-01-16 Ian Lance Taylor <ian@airs.com>
13868 * common.opt (ftoplevel-reorder): New option.
13869 * cgraph.c (cgraph_asm_nodes): New global variable.
13870 (cgraph_asm_last_node): New static variable.
13871 (cgraph_order): New global variable.
13872 (cgraph_create_node): Set new order field.
13873 (cgraph_varpool_node): Likewise.
13874 (decide_is_variable_needed): Return true if not
13875 flag_toplevel_reorder.
13876 (cgraph_add_asm_node): New function.
13877 * cgraph.h (struct cgraph_node): Add order field.
13878 (struct cgraph_varpool_node): Add order field.
13879 (struct cgraph_asm_node): Define.
13880 (cgraph_asm_nodes, cgraph_order): Declare.
13881 (cgraph_add_asm_node): Declare.
13882 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13884 (cgraph_varpool_assemble_pending_decls): Call it.
13885 (cgraph_output_pending_asms): New static function.
13886 (cgraph_finalize_compilation_unit): Call it.
13887 (struct cgraph_order_sort): Define.
13888 (cgraph_output_in_order): New static function.
13889 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13890 !flag_toplevel_reorder case.
13891 * c-parser.c: Include "cgraph.h".
13892 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13894 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13895 than -fno-unit-at-a-time.
13896 * doc/invoke.texi (Option Summary): Mention
13897 -fno-toplevel-reorder.
13898 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13899 -funit-at-a-time documentation.
13901 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13902 Kazu Hirata <kazu@codesourcery.com>
13904 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13906 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13908 * Makefile.in (FUNCTION_H): New. Use it instead of
13909 function.h throughout the file.
13910 * function.h: Include tree.h.
13912 2006-01-17 Ben Elliston <bje@au.ibm.com>
13914 * recog.c: Separate some functions with whitespace.
13916 2006-01-16 Richard Henderson <rth@redhat.com>
13918 Merge from gomp branch:
13919 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13920 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13921 and rename from struct inline_data. Rename callee* to dst*;
13922 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13923 transform_new_cfg, transform_return_to_modify, and
13924 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13926 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13927 (copy_decl_for_dup): Remove.
13928 * tree-inline.c (struct inline_data): Move to header.
13929 (insert_decl_map): Export.
13930 (remap_decl): Update for member name changes. Use copy_decl hook.
13931 Allow for replacement to be a non-decl. Remove dead code.
13932 (remap_type_1): Check for existing mapping.
13933 (remap_type): Export.
13934 (remap_decls): Update for member name changes.
13935 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13936 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13937 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13938 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13939 (tree_function_versioning, build_duplicate_type): Likewise.
13940 (copy_body_r): Likewise. Export.
13941 (copy_decl_for_dup): Split into ...
13942 (copy_decl_for_dup_finish, copy_decl_to_var,
13943 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13944 (replace_ref_tree, inlining_p): Remove.
13946 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13948 * ifcvt.c (if_convert): Make it static.
13949 * rtl.h: Remove the prototype for if_convert.
13951 * local-alloc.c (local_alloc): Make it static.
13952 * rtl.h: Remove the prototype for local_alloc.
13954 * loop.c (loop_optimize): Make it static.
13955 * cfgloop.h: Remove the prototype for loop_optimize.
13958 2006-01-16 DJ Delorie <dj@redhat.com>
13960 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13963 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13965 * pa.md: Disparage copies between general and floating-point registers
13966 in 32-bit move patterns.
13968 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13971 * Makefile.in (check-%): Depend on site.exp instead of
13972 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13975 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13977 * global.c (global_alloc): Make it static.
13978 * rtl.h: Remove the prototype for global_alloc.
13980 2006-01-16 Richard Guenther <rguenther@suse.de>
13982 * tree-ssa-alias.c (struct used_part): Add write_only field.
13983 (get_or_create_used_part_for): Initialize it to true.
13984 (create_overlap_variables_for): Don't create structure variables
13985 for structures that only are written to.
13986 (find_used_portions): Handle MODIFY_EXPR to track whether a
13987 structure is only written to.
13989 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13991 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13993 * basic-block.h: Remove the prototype for
13994 partition_hot_cold_basic_blocks.
13996 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13998 * cppspec.c (lang_specific_spec_functions): Remove.
13999 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14000 * gcc.h (lang_specific_spec_functions): Remove.
14001 * gccspec.c (lang_specific_spec_functions): Remove.
14003 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14005 * combine.c (record_value_for_reg): Invalidate registers
14007 (record_dead_and_set_regs_1): Likewise, by passing them to
14008 record_value_for_reg.
14009 (record_dead_and_set_regs): Invalidate stores made by a
14010 call. We do not combine across a call, but we still
14011 relied on equivalences.
14013 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14015 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14016 vrp_int_const_binop returning non-constant nodes.
14018 2006-01-16 Paul Brook <paul@codesourcery.com>
14020 * config/m68k/m68k.c (output_move_const_into_data_reg):
14021 Output correct mnemonic for mvz and mvs.
14023 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14025 * rtl-factoring.c: Add sequence abstraction algorithm.
14026 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14027 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14029 (block_has_preserve_label): New function.
14030 * common.opt: Register new pass.
14031 * Makefile.in: Ditto.
14033 * timevar.def: Ditto.
14034 * tree-pass.h: Ditto.
14035 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14036 * rtl.h (make_jump_insn_raw): Add forward decl.
14037 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14039 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14040 Roger Sayle <roger@eyesopen.com>
14042 * fold-const.c (fold_minmax): New static function.
14043 (fold_binary) <MIN_EXPR>: Call it.
14044 <MAX_EXPR>: Likewise.
14045 * stor-layout.c (place_field): Use DECL_SIZE consistently
14046 in the computation of the new record size.
14048 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14050 * cse.c (cse_condition_code_reg): Make it static.
14051 * rtl.h: Remove the prototype for cse_condition_code_reg.
14053 * combine.c (combine_instructions): Make it static.
14054 * rtl.h: Remove the prototype for combine_instructions.
14056 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14059 * tree.c (get_file_function_name_long): Concatenate the first global
14060 object name with a string derived from the input filename of the object
14063 2006-01-16 Ben Elliston <bje@au.ibm.com>
14065 * config/i386/winnt-stubs.c: Update FSF address.
14066 * config/xtensa/ieee754-df.S: Ditto.
14067 * config/xtensa/ieee754-sf.S: Ditto.
14069 2006-01-14 Ian Lance Taylor <ian@airs.com>
14071 * ifcvt.c (noce_init_if_info): New static function, broken out of
14072 noce_process_if_block.
14073 (noce_process_if_block): Call noce_init_if_info.
14074 (check_cond_move_block): New static function.
14075 (cond_move_process_if_block): New static function.
14076 (process_if_block): Call cond_move_process_if_block.
14078 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14080 * cselib.c (hash_table): Rename to cselib_hash_table.
14081 (cselib_clear_table, discard_useless_values,
14082 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14083 cselib_init, cselib_finish): Adjust uses of hash_table.
14085 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14087 PR tree-optimization/25485
14088 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14089 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14090 is known to be false and true, respectively.
14092 2006-01-14 Richard Guenther <rguenther@suse.de>
14094 PR tree-optimization/22548
14095 PR tree-optimization/22555
14096 PR tree-optimization/22501
14097 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14098 * params.def (salias-max-array-elements): New parameter.
14099 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14100 * doc/invoke.texi (salias-max-array-elements): Document.
14101 * tree-flow-inline.h (var_can_have_subvars): We also handle
14103 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14105 * tree-ssa-structalias.c (params.h): Include.
14106 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14107 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14108 (get_constraint_for): For ADDR_EXPR operating on something
14109 containing an ARRAY_REF, add all subvars to the solution.
14110 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14111 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14112 for creating MUST_DEFs.
14113 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14115 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14117 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14119 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14120 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14121 number_of_iterations_le): New functions.
14122 (number_of_iterations_special): Removed.
14123 (number_of_iterations_exit): Do not use number_of_iterations_special.
14124 * tree.c (unsigned_type_for): Always return integer type.
14126 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14127 Richard Guenther <rguenther@suse.de>
14129 PR rtl-optimization/24257
14130 * gcse.c (find_moveable_store): Only consider a store movable
14131 when the SET_SRC of the insn can be assigned to a register.
14133 2006-01-14 Ian Lance Taylor <ian@airs.com>
14135 * tree.c (tree_not_class_check_failed): New function.
14136 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14137 (tree_not_class_check_failed): Declare.
14139 2006-01-13 Ian Lance Taylor <ian@airs.com>
14141 * reload1.c (do_output_reload): Add assertion rejecting a
14144 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14146 * combine.c (struct reg_stat): Add new fields truncation_label and
14148 (record_value_for_reg): Reset truncated_to_mode.
14149 (record_truncated_value): New function.
14150 (check_promoted_subreg): Call it. Rename to check_conversions.
14151 (combine_instructions): Rename check_promoted_subreg to
14153 (reg_truncated_to_mode): New function.
14154 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14155 (gen_lowpart_or_truncate): New function.
14156 (force_to_mode): Use it instead of gen_lowpart.
14158 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14160 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14161 VAR is a tag, not its type tag.
14163 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14165 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14166 alternatives to match style of other entries.
14167 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14169 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14171 PR tree-optimization/25771
14172 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14175 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14178 * tree-inline.c (declare_return_variable): If the return variable
14179 was marked as a non gimple complex, set the return slot variable
14180 to be a non gimple comple variable.
14182 2006-01-13 Richard Guenther <rguenther@suse.de>
14184 * builtins.c (expand_builtin_sincos): New function.
14185 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14187 (expand_builtin): Expand sincos using expand_builtin_sincos.
14189 2006-01-12 DJ Delorie <dj@redhat.com>
14191 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14192 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14193 so that constant shifts can be split.
14194 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14195 (m32c_valid_pointer_mode): Make static.
14196 (shift_gen_func_for): New.
14197 (m32c_prepare_shift): Use it. Split large const shifts into
14199 * config/m32c/predicates.md (shiftcount_operand): Allow more
14201 (longshiftcount_operand): New.
14202 * doc/md.texi (Machine Constraints): Document In6.
14204 2006-01-13 Ben Elliston <bje@au.ibm.com>
14206 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14207 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14210 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14212 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14213 to try to avoid clobbering pieces of structures when we know
14214 something about the whole structure.
14215 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14217 2006-01-13 Ben Elliston <bje@au.ibm.com>
14219 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14220 return in memory, as this is no limitation is no longer present.
14222 2006-01-12 DJ Delorie <dj@redhat.com>
14224 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14225 mova with fb, and for fb+0 -> An.
14227 * config/m32c/mov.md (peephole2): Fix enabling logic.
14229 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14230 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14231 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14232 FINI_ARRAY_SECTION_ASM_OP): Define.
14234 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14236 (m32c_legitimize_reload_address): New logic to reload FB to An.
14237 (m32c_output_reg_push): Add newline.
14238 (m32c_output_reg_pop): Likewise.
14240 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14242 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14244 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14246 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14248 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14250 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14253 2006-01-11 Ben Elliston <bje@au.ibm.com>
14255 * rtlanal.c (find_reg_note): Assert insn is not null.
14257 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14259 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14262 2006-01-11 Jeff Law <law@redhat.com>
14264 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14266 (mark_threaded_blocks, register_jump_thread): New functions.
14267 (thread_through_all_blocks): Remove unwanted argument. No
14268 longer rely on e->aux to communicate thread target info.
14269 Call mark_threaded_blocks. Release the threaded_blocks
14270 bitmap and threaded_edges vector when complete.
14271 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14272 (threaded_blocks): Remove.
14273 (tree_ssa_dominator_optimize): Remove initialization and
14274 finalization of threaded_blocks. Simplify call to
14275 thread_through_all_blocks.
14276 (thread_across_edge): Call register_jump_thread rather than
14277 storing thread information into e->aux.
14278 (free_all_edge_infos): Simplify now that e->aux is no longer
14279 used to communicate with thread_through_all_blocks.
14280 * tree-flow.h (thread_through_all_blocks): Update prototype.
14281 (register_jump_thread): Prototype.
14283 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14285 * df-core.c (df_compact_blocks, df_bb_replace): Use
14286 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14288 2006-01-11 Richard Guenther <rguenther@suse.de>
14290 PR tree-optimization/25734
14291 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14292 stop propagation after successful propagation to the LHS.
14294 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14296 * basic-block.h (control_flow_graph): Change the type of
14297 x_basic_block_info to VEC(basic_block,gc) *.
14298 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14300 (SET_BASIC_BLOCK): New.
14301 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14302 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14303 * cfgbuild.c (find_basic_blocks): Likewise.
14304 * cfglayout.c (fixup_reorder_chain): Likewise.
14305 * cfgrtl.c (create_basic_block_structure,
14306 rtl_create_basic_block): Likewise.
14307 * ifcvt.c (find_if_case_1): Likewise.
14308 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14311 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14313 * Makefile.in: Removed rotted odf.c entry.
14315 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14318 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14319 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14320 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14321 output pattern modifier, not %e.
14322 * config/cris/cris.c (cris_op_str): Update comment about pattern
14324 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14325 before falling through into...
14326 <case 'E'>: Redefined from old 'e' case.
14328 2006-01-11 Jan Hubicka <jh@suse.cz>
14331 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14333 2006-01-11 Jan Hubicka <jh@suse.cz>
14335 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14336 * i386.c (x86_decompose_lea): Kill.
14337 (ix86_rtx_costs): Kill.
14339 2006-01-11 Jan Hubicka <jh@suse.cz>
14341 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14342 * cgraph.h (cgraph_node): Add inline_decl.
14343 (cgraph_insert_node_to_hashtable): Declare.
14344 (save_inline_function_body): Declare.
14345 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14347 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14348 (cgraph_function_versioning): Update call of tree_function_versioning.
14349 (save_inline_function_body): New function.
14350 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14351 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14352 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14353 (cgraph_default_inline_p): Likewise.
14354 (cgraph_decide_inlining_incrementally): Likewise.
14355 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14356 (copy_bb): Kill saving; do updating of clones.
14357 (copy_cfg_body): Kill saving.
14358 (initialize_inlined-parameters): Likewise.
14359 (expand_call_inline): Likewise.
14361 (tree_function_versioning): New parameter "update_clones".
14362 (inlining_p): Kill saving.
14363 * tree-inline.h (tree_function_versioning): Update prototype.
14364 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14367 2006-01-11 Ian Lance Taylor <ian@airs.com>
14369 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14370 Allow undoing set of machine mode.
14371 (do_SUBST): Use enums instead of is_int.
14372 (do_SUBST_MODE): New function.
14373 (SUBST_MODE): New macro.
14374 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14375 reg and trying to replace reg_regno_rtx with a new register.
14376 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14377 (simplify_set): Use SUBST_MODE.
14378 (distribute_notes): Remove code that tried to update reg notes
14379 for regno_reg_rtx changes.
14381 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14383 PR tree-optimization/23109
14384 PR tree-optimization/23948
14385 PR tree-optimization/24123
14387 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14388 * tree-cfg.c (single_noncomplex_succ): New.
14389 * tree-flow.h (single_noncomplex_succ): Declare it.
14390 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14391 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14392 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14393 insert_bb, register_division_in, insert_reciprocals,
14394 replace_reciprocal, free_bb): New.
14395 (execute_cse_reciprocals_1): Rewritten.
14396 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14397 Do not commit any edge insertion. Always compute dominators and
14398 create the allocation pool.
14399 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14400 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14401 * targhooks.c (default_min_divistions_for_recip_mul): New.
14402 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14403 * passes.c (init_optimization_passes): Run recip after tree loop
14405 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14407 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14408 Kenneth Zadeck <zadeck@naturalbridge.com>
14410 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14411 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14412 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14413 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14414 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14415 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14416 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14417 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14418 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14419 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14420 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14421 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14422 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14423 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14424 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14425 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14426 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14427 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14428 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14429 DF_SCAN_POST_ALLOC): New macros.
14430 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14431 df_free_bb_function, df_local_compute_function, df_init_function,
14432 df_dataflow_function, df_confluence_function_0,
14433 df_confluence_function_n, df_transfer_function,
14434 df_finalizer_function, df_free_function, df_dump_problem_function,
14435 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14436 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14437 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14438 df_urec_bb_info, ) New types.
14439 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14441 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14442 df_analyze_simple_change_some_blocks,
14443 df_analyze_simple_change_one_block, df_compact_blocks,
14444 df_bb_replace, df_bb_regno_last_use_find,
14445 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14446 df_insn_regno_def_p, df_find_def, df_find_use,
14447 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14448 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14449 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14450 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14451 debug_df_chain, df_get_dependent_problem, df_chain_create,
14452 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14453 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14454 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14455 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14456 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14457 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14458 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14459 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14460 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14461 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14462 df_reorganize_refs, df_set_state, df_hard_reg_init,
14463 df_read_modify_subreg_p) New public functions.
14464 * df-core.c: The core dataflow solver and glue routines for rtl
14466 (df_init, df_add_problem, df_set_blocks, df_finish,
14467 df_hybrid_search_forward, df_hybrid_search_backward,
14468 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14469 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14470 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14471 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14472 df_reg_defined, df_find_use, df_reg_used, df_dump,
14473 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14474 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14475 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14476 debug_df_useno, reset_df_after_reload): New functions.
14477 * df-scan.c: The scanning fuctions, once in df.c, completely
14478 rewritten so that they now fully model the functionality of
14479 register usage at the backend.
14480 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14481 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14482 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14483 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14484 df_get_artificial_defs, df_get_artificial_uses,
14485 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14486 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14487 df_refs_delete, df_reorganize_refs, df_set_state,
14488 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14489 df_def_record_1, df_defs_record, df_uses_record,
14490 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14491 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14492 df_record_exit_block_uses, df_hard_reg_init): New functions.
14494 * df-problems.c: Seven concrete dataflow problems that use the
14495 scanning in df-scan.c and are solved by the engine in df-core.c.
14496 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14497 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14498 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14499 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14500 df_ru_free_bb_info, df_ru_alloc,
14501 df_ru_bb_local_compute_process_def,
14502 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14503 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14504 df_ru_transfer_function, df_ru_free, df_ru_dump,
14505 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14506 df_rd_free_bb_info, df_rd_alloc,
14507 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14508 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14509 df_rd_transfer_function, df_rd_free, df_rd_dump,
14510 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14511 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14512 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14513 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14514 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14515 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14516 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14517 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14518 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14519 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14520 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14521 df_urec_mark_reg_use_for_earlyclobber,
14522 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14523 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14524 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14525 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14526 df_chain_create_bb_process_use, df_chain_create_bb,
14527 df_chain_finalize, df_chain_free, df_chains_dump,
14528 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14529 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14530 df_reg_lifetime): New functions.
14531 * df.c: Deleted file.
14532 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14533 consistent with new df api.
14534 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14535 rest_of_handle_sms): Ditto.
14536 * web.c (unionfind_union, union_defs, entry_register, web_main):
14538 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14539 invariant_expr_equal_p, find_defs, check_dependencies,
14540 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14541 free_inv_motion_data, move_loop_invariants): Ditto.
14542 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14543 Update dependencies.
14544 (odf.c): Added defective entry that was deleted later in day.
14545 * sched-deps.c (sched_analyze_1): Ditto.
14547 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14549 * tree-ssa-operands.c (get_expr_operands): Record addressable
14550 variables directly. Do not call add_stmt_operands for CONST_DECLs
14552 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14553 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14555 2006-01-11 Ben Elliston <bje@au.ibm.com>
14557 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14558 function returns true in the positive case.
14560 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14563 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14564 for SI, DI, SF and DF modes. Add alternatives to copy between
14565 general and floating point registers to the 32-bit patterns.
14566 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14567 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14568 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14569 generating 64-bit code.
14570 * config/pa/pa.c (output_move_double): Handle copies between general
14571 and floating registers.
14573 2006-01-10 Stuart Hastings <stuart@apple.com>
14575 * config/i386/i386.md (set_got): Update.
14576 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14577 (builtin_setjmp_receiver): Mach-O support.
14578 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14579 (GOT_SYMBOL_NAME): Define.
14580 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14581 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14582 * config/i386/i386.c (override_options): Revise for Darwin.
14583 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14584 support. (darwin_x86_file_end): New. (output_set_got): Add label
14585 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14586 * config/i386/i386-protos.h (output_set_got): Likewise.
14587 * config/darwin.c (machopic_legitimize_pic_address): Update
14590 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14592 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14593 when MODE isn't BLKmode.
14595 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14597 PR rtl-optimization/25367
14598 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14600 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14603 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14604 for a negative bound.
14606 2006-01-10 Richard Guenther <rguenther@suse.de>
14608 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14609 Never override with anything constraint.
14611 2006-01-10 Jan Beulich <jbeulich@novell.com>
14613 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14614 256 bits when optimize_size.
14616 2006-01-10 Jan Beulich <jbeulich@novell.com>
14618 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14620 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14621 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14624 2006-01-10 Ben Elliston <bje@au.ibm.com>
14626 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14628 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14629 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14630 (USE_FP_FOR_ARG): Reject decimal float modes.
14631 (function_arg_advance): Likewise.
14632 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14633 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14634 point types in AltiVec vectors.
14635 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14636 (rs6000_libcall_value): Likewise.
14638 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14640 * config/xtensa/ieee754-df.S: New file.
14641 * config/xtensa/ieee754-sf.S: New file.
14642 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14643 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14644 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14646 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14648 * config/sh/predicates.md (binary_float_operator,
14649 binary_logical_operator, commutative_float_operator,
14650 equality_comparison_operator, greater_comparison_operator,
14651 less_comparison_operator, logical_operator,
14652 noncommutative_float_operator, shift_operator,
14653 symbol_ref_operand, unary_float_operator): Remove redundant
14656 2006-01-09 Jeff Law <law@redhat.com>
14658 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14659 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14660 now unused arguments. Callers updated.
14661 (eliminate_redundant_computations): Remove now unused arguments,
14663 (local_fold): Remove, no longer used.
14664 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14666 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14667 (simplify_cond): New function.
14668 (forward_propagate_into_cond): Call simplify_cond.
14670 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14672 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14673 (*vec_extractv2di_1_sse): New.
14675 2006-01-09 Ben Elliston <bje@au.ibm.com>
14677 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14679 2006-01-08 Richard Guenther <rguenther@suse.de>
14681 * tree-ssa-structalias.c (get_constraint_for): Remove
14682 anyoffset argument.
14683 (get_constraint_for_component_ref): Likewise.
14684 (do_deref): Likewise.
14685 (get_constraint_for): Likewise.
14686 (do_structure_copy): Likewise.
14687 (handle_ptr_arith): Likewise.
14688 (find_func_aliases): Likewise. Remove unused need_anyoffset
14691 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14692 Kaz Kojima <kkojima@gcc.gnu.org>
14694 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14695 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14696 (EXTRA_CONSTRAINT_C16): Remove.
14697 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14698 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14699 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14700 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14701 constants of SHmedia. Handle nested constant expressions of
14703 (andcosts): Fix the costs for SHmedia constants.
14704 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14705 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14706 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14707 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14708 (movv4hi_i, movv2si_i): Likewise.
14709 (movsi_const): Adjust the second operand of ior so to match with
14710 the Csu constraint.
14711 (movdi_const, movdi_const_32bit): Likewise.
14712 (movdi_const_16bit+1): Don't sign-extend LOW.
14713 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14715 (*double_shori): Fix the split condition. Use GEN_INT instead
14716 of get_int_mode calls. Mask lower 16-bit of the argument of
14718 (sym2GOTPLT): Remove.
14719 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14721 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14722 instead of EXTRA_CONSTRAINT_C16.
14724 2006-01-07 Ian Lance Taylor <ian@airs.com>
14725 David Edelsohn <edelsohn@gnu.org>
14727 PR rtl-optimization/25662
14728 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14729 for constant operands instead of simplify_gen_binary.
14730 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14731 after trying simplify_binary_operation
14733 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14735 * tree.c (iterative_hash_expr): Hash decls based on UID.
14737 2006-01-06 Eric Christopher <echristo@apple.com>
14739 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14740 (TARGET_UNWIND_EMIT): Fix spelling.
14741 * target.h (gcc_target): Add except_table_label.
14742 * except.c (output_function_exception_table): Use.
14743 * varasm.c (default_emit_except_table_label): New.
14744 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14746 (asm_out): Add here.
14747 * output.h (default_emit_except_table_label): Prototype.
14748 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14749 * config/darwin.c (darwin_emit_except_table_label): Define.
14750 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14752 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14754 PR tree-optimization/18527
14755 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14756 number_of_iterations_special, number_of_iterations_exit):
14757 Move base and step of an iv to a single structure. Add
14758 no_overflow flag, and use it in # of iterations analysis.
14759 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14760 folded_casts argument.
14761 (simple_iv): Pass base and step in a structure. Set no_overflow
14763 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14764 Evaluate expensiveness of computing # of iterations instead of
14765 the final expression.
14766 * tree-scalar-evolution.h (affine_iv): New structure.
14767 (simple_iv): Declaration changed.
14768 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14769 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14770 find_givs_in_stmt): Changed due to simple_iv change.
14772 2006-01-06 Jeff Law <law@redhat.com>
14775 * tree-cfg.c (bsi_replace): Rename final argument from
14776 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14777 change (stmt -> orig_stmt).
14778 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14779 (bsi_remove): Add new argument. Remove EH information
14781 (verify_eh_throw_table_statements): New function.
14782 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14784 * tree-optimize.c (execute_free_cfg_annotations): Verify
14785 the EH throw statement table after removing annotations.
14786 * except.h (verify_eh_throw_table_statements): Prototype.
14787 * tree-flow.h (bsi_remove): Update prototype.
14788 * tree-vrp.c (remove_range_assertions): Add new argument to
14790 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14791 * tree-complex.c (expand_complex_div_wide): Likewise.
14792 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14793 * tree-tailcall.c (eliminate_tailcall): Likewise.
14794 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14795 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14796 * tree-nrv.c (tree_nrv): Likewise.
14797 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14798 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14799 (combine_blocks): Likewise.
14800 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14801 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14802 (cleanup_control_flow): Likewise.
14803 (remove_forwarder_block): Likewise.
14804 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14805 * tree-sra.c (sra_replace): Likewise.
14806 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14807 (forward_propagate_single_use_vars): Likewise.
14808 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14809 * tree-inline.c (expand_call_inline): Likewise.
14810 * tree-vect-transform.c (vect_transform_loop): Likewise.
14811 * tree-outof-ssa.c (rewrite_trees): Likewise.
14812 * tree-cfg.c (make_goto_expr_edges): Likewise.
14813 (cleanup_dead_labels): Likewise.
14814 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14815 (bsi_move_before, bsi_move_after): Likewise.
14816 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14817 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14819 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14822 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14824 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14825 on non gimple variables. Also add checks at the top for decls and
14827 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14829 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14830 and IMAGPART_EXPR for creating MUST_DEFs.
14831 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14832 and NAME_MEMORY_TAG separately from the DECLs.
14834 2006-01-06 Richard Guenther <rguenther@suse.de>
14836 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14837 annotation, if necessary.
14838 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14839 redundant calls to update_stmt.
14840 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14843 2006-01-05 Richard Henderson <rth@redhat.com>
14845 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14847 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14849 * c-typeck.c: Update copyright date.
14851 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14853 * c-typeck.c (build_c_cast): Always warn when casting
14854 from a pointer to an integer of different size, even if
14855 the node was constant.
14857 2006-01-05 Richard Guenther <rguenther@suse.de>
14859 PR tree-optimization/22555
14860 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14861 if one structure field is an array.
14862 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14863 operands even if we found a subvar, but ignore VOPs in this
14865 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14867 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14869 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14871 PR middle-end/24998
14872 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14874 2006-01-05 Richard Guenther <rguenther@suse.de>
14875 Diego Novillo <dnovillo@redhat.com>
14877 * tree-pass.h (TODO_remove_unused_locals): Define.
14878 * gimple-low.c (expand_var_p, remove_useless_vars,
14879 pass_remove_useless_vars): Remove. Update all users.
14880 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14881 (remove_unused_locals): New function.
14882 * tree-flow.h (remove_unused_locals): Declare.
14883 * passes.c (execute_todo): Call remove_unused_locals if
14884 TODO_remove_unused_locals is set.
14885 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14886 * tree-ssa-dce.c (pass_dce): Likewise.
14887 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14889 2006-01-05 Richard Guenther <rguenther@suse.de>
14891 * tree-flow.h (struct fieldoff): Decompose field to
14892 type, size and decl.
14893 * tree-ssa-alias.c (create_sft): Take type as parameter.
14894 (create_overlap_variables_for): Store type, size and decl
14895 in the fieldoff structure.
14896 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14897 of struct fieldoff.
14898 (push_fields_onto_fieldstack): Likewise.
14899 (create_variable_info_for): Likewise. Use offset for the
14900 SFT name if the decl is not available.
14902 2006-01-04 Paul Brook <paul@codesourcery.com>
14904 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14906 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14908 * lambda-code.c (can_put_in_inner_loop): Relax
14910 (can_put_after_inner_loop): New function.
14911 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14912 (perfect_nestify): Change to make copies and modify uses.
14914 2006-01-04 Richard Henderson <rth@redhat.com>
14916 Merge from gomp branch:
14917 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14918 via integer constant.
14919 (pragma_lex): Remove.
14920 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14921 rather than parsing it.
14922 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14923 handle_pragma_extern_prefix): Add %< %> quotes.
14924 (registered_pragmas): New.
14925 (c_register_pragma_1): New.
14926 (c_register_pragma): Use it.
14927 (c_register_pragma_with_expansion): Likewise.
14928 (c_invoke_pragma_handler): New.
14929 (init_pragma): Use cpp_register_deferred_pragma directly for
14931 * c-pragma.h (enum pragma_kind): New.
14932 (pragma_handler): New.
14933 (c_invoke_pragma_handler): Declare.
14934 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14936 * c-common.h (c_common_pch_pragma): Update decl.
14937 * Makefile.in (c-parser.o): Update dependencies.
14938 (GTFILES): Add c-pragma.h.
14939 * c-parser.c (struct c_token): Add pragma_kind.
14940 (struct c_parser): Add in_pragma.
14941 (c_lex_one_token): Always initialize keyword and pragma_kind.
14942 Extract data for CPP_PRAGMA.
14943 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14944 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14945 Don't allow CPP_PRAGMA_EOL if in_pragma.
14946 (c_parser_consume_pragma): New.
14947 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14948 (c_parser_skip_to_end_of_parameter): Likewise.
14949 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14950 (c_parser_skip_to_pragma_eol): New.
14951 (c_parser_external_declaration): Handle CPP_PRAGMA.
14952 (c_parser_compound_statement_nostart): Likewise.
14953 (c_parser_statement_after_labels): Likewise.
14954 (c_parser_pragma): New.
14955 (pragma_lex): Likewise.
14956 (c_parser_pragma_pch_preprocess): New.
14957 (c_parser_new): Merge into ...
14958 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14960 2006-01-04 Jeff Law <law@redhat.com>
14963 * tree-cfg.c (bsi_replace): Remove the original statement
14964 from the EH throw statement table.
14966 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14968 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14969 make the prototype extern "C" and add throw ().
14972 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14973 and pos non-negative and pos + len <= 32.
14974 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14975 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14976 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14979 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14980 as well as sizes not multiple of component size.
14983 * function.c (instantiate_expr): New function.
14984 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14985 walk its DECL_VALUE_EXPR with instantiate_expr.
14987 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14988 DW_OP_deref{,_size} if address isn't going to be added.
14990 2006-01-04 Ben Elliston <bje@au.ibm.com>
14992 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14993 * config/fp-bit.c: Likewise.
14995 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14997 * dominance.c: Add comment about why we use DFS numbering
15000 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15001 Richard Henderson <rth@redhat.com>
15003 Merge from gomp-branch:
15004 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15005 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15007 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15009 PR rtl-optimization/25578
15010 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15011 pass a parameter to simplify_shift_const if changing ASHIFTRT
15014 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15016 * builtins.c (get_builtin_sync_mem): New function.
15017 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15018 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15019 Call get_builtin_sync_mem to generate mem rtx.
15021 2006-01-03 Richard Guenther <rguenther@suse.de>
15024 * stmt.c (add_case_node): Make sure to clear overflow flags
15027 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15029 Merge from gomp-branch.
15030 * config/sparc/sync.md: New file.
15031 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15032 UNSPECV_LDSTUB): New constants.
15033 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15034 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15035 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15038 2006-01-03 Roger Sayle <roger@eyesopen.com>
15040 * combine.c (reg_subword_p): New predicate to test whether the
15041 destination of a set refers to a subword/piece of a register.
15042 (try_combine): Generalize the code to merge the setting of a
15043 pseudo to a constant followed by a set of a subword of that
15044 register to a constant.
15046 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15048 * basic-block.h (control_flow_graph): Change the type of
15049 x_label_to_block_map to VEC(basic_block,gc) *.
15050 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15051 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15053 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15054 VEC(basic_block,heap) *.
15055 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15056 ssa_prop_fini): Adjust the uses of cfg_blocks.
15058 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15060 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15062 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15063 hashing trees instead of a pointer hash.
15064 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15065 compare for MEM_EXPR.
15067 PR rtl-optimization/25130
15068 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15069 when comparing MEMs for GCSE
15071 2006-01-03 Ben Elliston <bje@au.ibm.com>
15073 * targhooks.h (default_decimal_float_supported_p): Declare.
15074 * targhooks.c (default_decimal_float_supported_p): Define.
15075 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15076 `default_decimal_float_supported_p'.
15077 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15079 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15081 * combine.c (apply_distributive_law <SUBREG>): Check
15082 TRULY_NOOP_TRUNCATION.
15084 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15086 * dwarf2out.c (have_switched_text_section): Delete.
15087 (have_multiple_function_sections): New.
15088 (have_location_lists): Make 'bool'.
15089 (add_AT_loc_list): Use 'true' not '1'.
15090 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15091 (output_loc_list): Use have_multiple_function_sections.
15092 (output_ranges): Likewise.
15093 (dwarf2out_begin_function): Set have_multiple_function_sections if
15095 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15096 Check function_section rather than DECL_SECTION_NAME.
15097 (dwarf2out_finish): Use have_multiple_function_sections.
15098 Don't clear have_location_lists.
15100 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15101 Jan Hubicka <jh@suse.cz>
15103 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15104 case of conditional jump jumping to the next instruction.
15105 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15106 cases of conditional jump jumping to the next instruction.
15108 2006-01-02 Jan Hubicka <jh@suse.cz>
15110 * i386.c (*_cost): Add COSTS_N_INSNS.
15111 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15113 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15116 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15118 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15120 * config/arm/arm.c (all_fpus): Fix comment typo.
15121 * config/darwin.c: Likewise.
15122 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15123 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15124 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15126 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15128 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15129 (rs6000_split_compare_and_swapqhi): New.
15130 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15131 (sync_compare_and_swapqhi_internal): New.
15132 * config/rs6000/rs6000-protos.h: Declare.