1 2006-09-20 Eric Christopher <echristo@apple.com>
3 * config/i386/i386.c (x86_fisttp): Remove.
4 * config/i386/i386.h (x86_fisttp): Ditto.
5 (TARGET_FISTTP): Ditto.
7 2006-09-19 Eric Christopher <echristo@apple.com>
9 * doc/tm.texi (OBJC_JBLEN): Describe.
10 * config/i386/darwin.h (OBJC_JBLEN): Define.
11 * config/rs6000/darwin.h: Ditto.
13 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
15 PR rtl-optimization/21299
16 * reload1.c (reload): Purge invalid ASMs in the final pass.
18 2006-09-19 Steve Ellcey <sje@cup.hp.com>
21 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
22 pointers as legitimate constants.
24 2006-09-19 Paul Brook <paul@codesourcery.com>
27 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
29 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
31 PR tree-optimization/28887
32 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
33 component parts from the reference.
34 (gather_memory_references_ref): Record the reference without the
35 nonaddressable component parts.
37 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
40 * c-opts.c (c_common_handle_option): Ignore the -std options
41 if the input language is assembly.
43 2006-09-17 Ira Rosen <irar@il.ibm.com>
46 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
48 (ptr_ptr_may_alias_p): Likewise.
49 (record_record_differ_p): New function.
50 (base_object_differ_p): Call record_record_differ_p.
52 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
55 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
56 away for the expr argument.
58 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
61 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
62 before using it for dumping after vectorizing loops.
64 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
65 Jack Howarth <howarth@bromo.med.uc.edu>
68 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
69 skip on error_mark_node.
70 (rs6000_darwin64_record_arg_recurse): Likewise.
72 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
74 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
75 * doc/rtl.texi: Remove related documentation.
77 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
79 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
82 2006-09-15 Jim Wilson <wilson@specifix.com>
84 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
85 Handle symbol offsets same as they are handled in ia64_expand_move
88 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
90 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
91 Add forgotten parameter to the fprintf call.
93 2006-09-15 Steve Ellcey <sje@cup.hp.com>
95 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
97 2006-09-15 Uros Bizjak <uros@kss-loka.si>
99 * doc/contrib.texi: Add my entry.
101 2006-09-15 Nick Clifton <nickc@redhat.com>
103 * doc/md.texi (Processor pipeline description): Fix typo in
104 example of how to use the absence_set directive and reword the
105 description to make it slightly easier to read.
107 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
109 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
110 * loop-doloop.c (doloop_optimize): Use it to limit costs of
111 expanding the number of iterations.
112 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
114 * cfgrtl.c (emit_insn_at_entry): New function.
115 * rtl.h (emit_insn_at_entry): Declare it.
116 * integrate.c (emit_initial_value_sets): Use it.
118 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
120 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
122 (struct loop_work and related VEC declarations): Delete.
123 (bfin_dump_loops): Print out new member bad.
124 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
125 (bfin_scan_loop): Don't recurse.
126 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
127 loops. No longer need to update outer loops if the current one is
128 found bad. Move some validitiy checks to bfin_discover_loop.
129 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
130 but changed not to check for nesting. Also changed to use the new bad
132 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
133 time. Use bitmap based test to discover loop nesting.
135 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
137 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
140 2006-09-14 Richard Guenther <rguenther@suse.de>
141 Kazu Hirata <kazu@codesourcery.com>
144 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
145 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
146 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
147 with TARGET_FUNCTION_VALUE.
149 2006-09-14 Anatoly Sokolov <aesok@post.ru>
152 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
154 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
156 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
159 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
162 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
165 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
167 * basic_block.h (bb_has_eh_pred): Fix comment.
169 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
171 * flow.c (calculate_global_regs_live): Invalidate eh registers
172 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
173 (propagate_block): Handle eh registers as if they were set at basic
175 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
177 * global.c (global_conflicts): Make eh registers to conflict with
178 pseudos live at basic block begin.
179 * basic_block.h (bb_has_eh_pred): New function.
181 2006-09-13 Richard Sandiford <richard@codesourcery.com>
183 PR rtl-optimization/28982
184 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
185 index of a PRE_MODIFY or POST_MODIFY address.
186 * reload1.c (inc_for_reload): Use find_replacement on the original
187 base and index registers.
189 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
191 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
192 for -Os. Update __m128 alignment requirement.
194 2006-09-13 Jan Hubicka <jh@suse.cz>
196 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
198 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
200 PR rtl-optimization/28243
201 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
202 the insn to which the note was originally attached.
204 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
205 Roger Sayle <roger@eyesopen.com>
207 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
208 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
209 on platforms that don't use dwarf for debug info.
211 2006-09-12 Jason Merrill <jason@redhat.com>
214 * builtins.c (expand_builtin_setjmp_receiver): Clobber
215 hard_frame_pointer_rtx after using it to update the frame pointer.
217 2006-09-12 Roger Sayle <roger@eyesopen.com>
219 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
220 (TARGET_ASM_CLOSE_PAREN): Likewise.
221 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
222 (TARGET_ASM_CLOSE_PAREN): Likewise.
224 2006-09-12 Roger Sayle <roger@eyesopen.com>
227 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
228 frame information for frames larger than 512 Kbytes on Tru64 when
229 using the native assembler.
231 2006-09-12 Roger Sayle <roger@eyesopen.com>
235 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
236 and symbols. Instead use the implementation from cse.c's hash_rtx.
238 2006-09-12 Jan Hubicka <jh@suse.cz>
240 PR rtl-optimization/28071
241 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
242 (vect_transform_loop): Likewise.
243 * tree-vectorizer.c (new_loop_vec_info): Likewise.
244 (new_loop_vec_info): Likewise.
245 (destroy_loop_vec_info): Likewise.
246 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
247 (create_stmt_ann): Likewise.
248 (create_tree_ann): Rename to ...
249 (create_tree_common_ann): ... this one; allocate only the common part
251 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
252 (get_value_handle): Likewise.
253 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
255 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
256 (vinfo_for_stmt): Use stmt annotations.
257 * tree-flow.h (tree_ann_common_t): New type.
258 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
259 (tree_ann, get_tree_ann, create_tree_ann): New.
260 * tree-flow-inline.h (get_function_ann): Do more type checking.
261 (stmt_ann): Likewise.
262 (tree_ann): Rename to ...
263 (tree_common_ann): ... this one; return ony common_ann
264 (get_tree_ann): Rename to ...
265 (tree_common_ann): This one; return only common_ann.
266 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
269 2006-09-11 Geoffrey Keating <geoffk@apple.com>
271 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
274 * dwarf2out.c (dwarf_file_data): New.
275 (enum dw_val_class): Add dw_val_class_file.
276 (struct dw_val_struct): Add val_file.
277 (file_table): Change to a hash table.
278 (file_table_emitted): Delete.
279 (file_table_last_lookup_index): Delete.
281 (last_emitted_file): New.
282 (lookup_filename): Change prototype to return a struct dwarf_file_data.
283 (init_file_table): Delete.
284 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
285 (AT_addr): Add comment.
289 (print_die): Handle dw_val_class_file.
290 (print_dwarf_line_table): Update for new file table structure.
291 (attr_checksum): Do checksum a filename.
292 (same_dw_val_p, same_attr_p): Do compare a filename.
293 (size_of_die): Handle dw_val_class_file.
294 (value_format): Likewise.
295 (output_die): Likewise. Also, call maybe_emit_file here.
296 (struct file_info): Constify filenames. Make file_idx a pointer
297 to a struct dwarf_file_data.
298 (struct dir_info): Constify directory names. Remove 'used' field.
299 (struct file_name_acquire_data): New.
300 (file_name_acquire): New.
301 (output_file_names): Modify to handle new file data structures.
302 (add_src_coords_attributes): Use add_AT_file.
303 (add_call_src_coords_attributes): Likewise.
304 (dwarf2out_imported_module_or_decl): Likewise.
305 (gen_subprogram_die): Modify for new file data structures.
306 (gen_variable_die): Likewise.
307 (file_table_eq): New.
308 (file_table_hash): New.
309 (file_table_last_lookup): New.
310 (lookup_filename): Rewrite to handle new file data structures.
311 (maybe_emit_file): Rewrite to handle new file data structures.
312 (dwarf2out_source_line): Always call lookup_filename and
314 (dwarf2out_init): Create file_table here.
315 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
316 (file_table_relative_p): New.
317 (dwarf2out_finish): Change detection of relative filenames
318 to work with new file data structures. Move output_line_info call
319 after debug_info output.
321 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
326 * config/i386/i386.c (override_options): Always default to 16
329 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
332 * var-tracking.c (dump_dataflow_set): Start dumping at
334 (clobber_variable_part): Kill only the variable part in
335 registers holding it, leaving other variables alone.
337 2006-09-11 Josh Triplett <josh@freedesktop.org>
339 * doc/extend.texi (Other Builtins): Actually use the macro
340 argument in the documentation example for
341 __builtin_types_compatible_p.
343 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
345 PR rtl-optimization/28726
346 * sched-deps.c (sched_analyze_reg): New function extracted from...
347 (sched_analyze_1): ...here. Call it to analyze references to
348 registers. Treat again writes to a stack register as writing to the
350 (sched_analyze_2): ...and here. Call it to analyze references to
351 registers. Treat again reads of a stack register as reading the
354 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
355 David Edelsohn <edelsohn@gnu.org>
358 * config/rs6000/spe.md (frob_df_di): Remove %H.
359 (frob_di_df): Remove %H. Change evmergelo to mr.
360 (frob_di_df_2): Remove %H. Change evldd to two loads.
362 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
364 * doc/cpp.texi: Fix names of charset options.
366 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
369 * config/i386/i386.c (override_options): Use 128-bit
370 stack boundary always for 64bits.
372 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
374 PR rtl-optimization/28636
375 * combine.c (force_to_mode): Test for side-effects before
376 substituting by zero.
377 (simplify_shift_const): Likewise for zero or other constants.
379 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
382 * builtins.c (expand_builtin_setjmp): Force next_lab to be
385 2006-09-10 Richard Sandiford <richard@codesourcery.com>
388 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
389 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
390 returned by mode_for_size, rather than the mode of src itself,
391 to choose between 32-bit and 64-bit patterns.
392 (mips_mem_fits_mode_p): New function.
393 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
394 that the size of the source matches the size of the destination.
395 (mov_<store>l, mov_<store>r): Likewise.
397 2006-09-10 Eric Christopher <echristo@apple.com>
399 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
402 2006-09-09 Eric Christopher <echristo@apple.com>
405 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
408 2006-09-09 Roger Sayle <roger@eyesopen.com>
409 Nicolas Setton <setton@adacore.com>
411 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
413 2006-09-10 Andreas Schwab <schwab@suse.de>
415 * config/m68k/m68k.md (bungt_rev): New pattern.
417 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
418 Dale Johannesen <dalej@apple.com>
421 * regclass.c (struct reg_pref): Update documentation.
422 (regclass): Set prefclass to NO_REGS if memory is the best option.
423 (record_reg_classes): Cope with a prefclass set to NO_REGS.
425 2006-09-08 Eric Christopher <echristo@apple.com>
427 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
428 * config/t-slibgcc-darwin: Support x86_64 multilib.
429 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
430 Return 1 for x86_64-darwin.
431 * config/i386/t-darwin: Add m64 multilib.
432 (LIB2_SIDITI_CONV_FUNCS): Use.
433 (LIB2FUNCS_EXTRA): Ditto.
434 * config/i386/darwin.h: Support x86_64.
435 * config/i386/i386.c (override_options): Turn on flag_pic
436 for x86_64-darwin. Disable flag_omit_pointer.
437 (get_pc_thunk_name): Assert !TARGET_64BIT.
438 (legitimate_address_p): Disable machopic addressing for
440 (legitimize_pic_address): Ditto.
441 (ix86_expand_move): Ditto.
442 (ix86_expand_call): Ditto.
443 (machopic_output_stub): Ditto.
444 * config/darwin.c (machopic_select_section): Support literal16.
445 (machopic_select_rtx_section): Ditto.
446 * config/darwin-sections.def: Ditto.
447 * config/darwin-64.c: New.
449 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
452 * c-tree.h (struct c_arg_info): Add pending_sizes.
453 * c-parser.c (c_parser_parms_declarator,
454 c_parser_parms_list_declarator): Initialize pending_sizes.
455 * c-decl.c (get_parm_info): Initialize pending_sizes.
456 (get_parm_info): Set pending_sizes.
457 (grokdeclarator): Call put_pending_sizes for parameters for
458 function definition only.
460 2006-09-07 Jason Merrill <jason@redhat.com>
463 * varasm.c (output_constant): Only strip actual no-op conversions.
466 * config/i386/i386.c (override_options): Use 128-bit
467 stack boundary if -msse.
469 2006-09-07 Eric Christopher <echristo@apple.com>
471 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
473 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
476 2006-09-07 Geoffrey Keating <geoffk@apple.com>
478 * dwarf2out.c: Remove strange characters from comment above
479 dwarf2out_frame_debug_expr.
481 2006-09-07 Eric Christopher <echristo@apple.com>
483 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
484 * config/darwin.h: ... to here.
486 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
488 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
490 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
491 (TARGET_PARTIAL_FLAG_REG_STALL): New.
493 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
494 TARGET_PARTIAL_FLAG_REG_STALL.
495 (*ashldi3_cconly_rex64): Likewise.
496 (*ashlsi3_cmp): Likewise.
497 (*ashlsi3_cconly): Likewise.
498 (*ashlsi3_cmp_zext): Likewise.
499 (*ashlhi3_cmp): Likewise.
500 (*ashlhi3_cconly): Likewise.
501 (*ashlqi3_cmp): Likewise.
502 (*ashlqi3_cconly): Likewise.
503 (*ashrdi3_cmp_rex64): Likewise.
504 (*ashrdi3_cconly_rex64): Likewise.
505 (*ashrsi3_cmp): Likewise.
506 (*ashrsi3_cconly): Likewise.
507 (*ashrsi3_cmp_zext): Likewise.
508 (*ashrhi3_cmp): Likewise.
509 (*ashrhi3_cconly): Likewise.
510 (*ashrqi3_cmp): Likewise.
511 (*ashrqi3_cconly): Likewise.
512 (*lshrdi3_cmp_rex64): Likewise.
513 (*lshrdi3_cconly_rex64): Likewise.
514 (*lshrsi3_cmp): Likewise.
515 (*lshrsi3_cconly): Likewise.
516 (*lshrsi3_cmp_zext): Likewise.
517 (*lshrhi3_cmp): Likewise.
518 (*lshrhi3_cconly): Likewise.
519 (*lshrqi2_cmp): Likewise.
520 (*lshrqi2_cconly): Likewise.
522 2006-09-07 Uros Bizjak <uros@kss-loka.si>
525 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
526 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
527 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
528 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
529 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
530 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
531 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
532 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
533 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
534 implement only CC setting effects of shift instructions.
536 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
538 * doc/contrib.texi: Add myself.
540 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
543 * stor-layout.c (relayout_decl): Don't zero the alignment if it
546 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
549 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
550 (divsi_inv_m1): Use them.
551 (UNSPEC_DIV_INV_TABLE): New constant.
553 2006-09-06 James E Wilson <wilson@specifix.com>
556 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
557 then call count_or_remove_death_notes.
559 2006-09-06 Jason Merrill <jason@redhat.com>
562 * tree-inline.c (copy_result_decl_to_var): New fn.
563 (declare_return_variable): Use it. Call declare_inline_vars here.
564 (expand_call_inline): Not here.
566 2006-09-06 Diego Novillo <dnovillo@redhat.com>
568 * doc/contrib.texi: Update my entry.
570 2006-09-06 Nick Clifton <nickc@redhat.com>
572 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
574 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
577 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
578 (canonicalize_induction_variables): Likewise.
579 (tree_unroll_loops_completely): Likewise.
580 (tree_ssa_prefetch_arrays): Likewise.
581 (remove_empty_loops): Likewise.
582 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
583 TODO_cleanup_cfg instead of directly calling
584 cleanup_tree_cfg_loop.
585 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
587 (tree_unroll_loops_completely): Likewise.
588 (remove_empty_loops): Likewise.
589 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
590 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
591 of tree_ssa_unswitch_loops.
592 (tree_ssa_loop_ivcanon): Use the return value of
593 canonicalize_induction_variables.
594 (tree_ssa_empty_loop): Use the return value of
596 (tree_complete_unroll): Use the return value of
597 tree_unroll_loops_completely.
598 (tree_ssa_loop_prefetch): Use the return value of
599 tree_ssa_prefetch_arrays.
600 * passes.c (execute_todo): Before Cleanup CFG, set
601 updating_used_alone and after cleanup CFG, call
602 recalculate_used_alone.
604 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
607 * tree-vect-transform.c (vectorizable_condition): Move the check
608 for the type after the check for simple condition.
610 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
611 Kaz Kojima <kkojima@gcc.gnu.org>
614 * mode-switching.c (optimize_mode_switching): Make the destination
615 block of an abnormal edge have no anticipatable mode. Don't
616 insert mode switching code at the end of the source block of
619 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
621 PR rtl-optimization/26847
622 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
623 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
624 (simplify_plus_minus): Count n_constants while filling ops. Replace
625 qsort with insertion sort. Before going through the array to simplify
626 pairs, sort it. Delay early exit until after the first sort, exiting
627 only if no swaps occurred. Simplify pairs in reversed order, without
628 special-casing the first iteration. Pack ops after simplifying pairs.
630 2006-09-05 Anatoly Sokolov <aesok@post.ru>
632 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
633 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
634 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
635 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
637 2006-09-05 Richard Guenther <rguenther@suse.de>
639 PR tree-optimization/28900
640 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
641 compound conditional before creating COND_EXPR condition.
643 2006-09-05 Richard Guenther <rguenther@suse.de>
645 PR tree-optimization/28905
646 * tree-vrp.c (fix_equivalence_set): Manually implement
647 !value_ranges_intersect_p to also handle symbolic ranges.
649 2006-09-05 Richard Guenther <rguenther@suse.de>
652 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
655 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
657 PR rtl-optimization/27616
658 * cse.c (table_size): New static variable.
659 (new_basic_block): Initialize it to 0.
660 (remove_from_table): Decrement it.
661 (insert): Increment it.
662 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
663 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
664 fold_rtx_mem_1 if under the cap.
665 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
666 the lookup of the equivalent expression and test for equality of the
667 first operand of the equivalent expression before in turn looking up
668 an equivalent constant for the second operand.
670 2006-09-02 Geoffrey Keating <geoffk@apple.com>
673 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
674 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
675 pointer, instead of assuming it is possible to derive the
676 correct args size from a call insn.
678 2006-09-02 Jakub Jelinek <jakub@redhat.com>
681 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
682 (fold_builtin_mempcpy): Rename to...
683 (fold_builtin_memory_op): ... this. Optimize one element copy
685 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
687 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
688 (expand_builtin_memcpy, expand_builtin_mempcpy,
689 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
690 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
691 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
692 BUILT_IN_MEM{CPY,PCPY,MOVE}.
694 2006-09-01 DJ Delorie <dj@redhat.com>
696 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
698 ("stzx_24_<mode>"): Likewise.
699 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
700 ("cmp<mode>_op"): New.
701 (cmp<mode>): Change to expander; just save operands.
703 (b<code>): Change to expander, emit compare here.
704 (s<code>_op): Change to use split and expander.
705 (s<code>_24_op): Likewise.
706 (s<code>_<mode>): New.
707 (s<code>_<mode>_24): New.
708 (movqicc_<code>_<mode): New.
709 (movhicc_<code>_<mode>): New.
712 * config/m32c/m32c.c (compare_op0, compare_op1): New.
713 (m32c_pend_compare): New.
714 (m32c_unpend_compare): New.
715 (m32c_expand_scc): New.
716 (m32c_expand_movcc): Emit the compare also.
717 * config/m32c/predicates.md (mra_nopp_operand): New.
719 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
720 Richard Guenther <rguenther@suse.de>
721 Adam Nemet <anemet@caviumnetworks.com>
724 * builtins.c (get_pointer_alignment): Handle more forms
725 of base addresses that can be used to derive more precise
726 information about alignment.
728 2006-09-01 Jason Merrill <jason@redhat.com>
731 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
734 * gimplify.c (voidify_wrapper_expr): Handle null type.
736 2006-09-01 Josh Conner <jconner@apple.com>
739 * tree-nrv.c (dest_safe_for_nrv_p): New function.
740 (execute_return_slot_opt): Use it.
742 2006-08-31 Josh Conner <jconner@apple.com>
745 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
746 returning aggregates.
748 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
750 PR tree-optimization/28839
751 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
752 blocks in that phi arguments appear.
754 2006-08-31 Roger Sayle <roger@eyesopen.com>
757 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
758 NULL, otherwise use an advance_loc4 to adjust relative to the
760 (output_cfi) <DW_CFA_set_loc>: Update the current label.
761 (dwarf2out_switch_text_section): Reset the current label to avoid
762 using advance_loc4 over section boundaries.
764 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
767 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
768 r12 + SYMBOLIC_CONST.
770 2006-08-30 Richard Guenther <rguenther@suse.de>
772 * Makefile.in (see.o): Add $(EXPR_H) dependency.
774 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
776 PR rtl-optimization/27735
777 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
778 Add new argument to keep track of whether an irreducible region
779 was affected. All callers changed.
780 (fix_irreducible_loops): Removed.
781 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
782 flags were invalidated.
784 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
786 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
787 instead of SF operands.
788 (*fop_df_comm_sse): Likewise.
789 (*fop_df_comm_i387): Likewise.
790 (*fop_df_1_mixed): Likewise.
791 (*fop_df_1_sse): Likewise.
793 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
794 J"orn Rennecke <joern.rennecke@st.com>
796 PR tree-optimization/17506
797 * tree-ssa.c (warn_uninit): If warning about a location outside of
798 the current function, note where the variable was declared.
800 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
802 PR tree-optimization/28411
803 * double-int.c (double_int_div): Use double_int_divmod.
804 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
805 double_int_mod, double_int_smod, double_int_umod): New functions.
806 * double-int.h (double_int_divmod, double_int_sdivmod,
807 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
809 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
811 (get_computation_aff, get_computation_cost_at): Handle double_int
812 return type of constant_multiple_of.
814 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
817 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
818 an implicit conversion.
820 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
822 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
824 2006-08-27 Roger Sayle <roger@eyesopen.com>
826 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
829 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
831 * config/i386/crtfastmath.c: Fix a comment typo.
833 2006-08-26 Roger Sayle <roger@eyesopen.com>
835 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
836 temporary visit flags on CASE_LABEL_EXPRs.
837 * c-common.c (match_case_to_enum): Add function comment. Avoid
838 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
839 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
840 CASE_HIGH_SEEN for enumerated types. If the switch expression is
841 a constant, only warn if that constant value isn't handled.
843 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
846 * input.h (restore_input_file_stack): Declare.
847 (INPUT_FILE_STACK_BITS): Define.
848 * toplev.c (fs_p, input_file_stack_history,
849 input_file_stack_restored, restore_input_file_stack): New.
850 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
851 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
852 (pop_srcloc): Don't free old state of stack.
854 2006-08-26 David Edelsohn <edelsohn@gnu.org>
857 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
858 (PowerPC Type Attributes): New.
860 2006-08-26 Bob Wilson <bob.wilson@acm.org>
862 * config/xtensa/xtensa.c (function_arg_boundary): New.
863 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
865 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
866 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
868 2006-08-26 Jakub Jelinek <jakub@redhat.com>
871 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
874 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
876 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
877 (verify_local_live_at_start): Likewise.
879 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
882 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
883 omp_add_variable): Treat sizes as variable whenever not
886 2006-08-26 Richard Guenther <rguenther@suse.de>
889 * fold-const.c (fold_binary): Fold temporary to correct
890 type before constructing new comparison.
892 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
895 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
896 variable again if DECL_SEEN_IN_BIND_EXPR_P.
898 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
901 * c-decl.c (start_function): Don't try to process prototype
902 information from old declaration that isn't a function.
904 2006-08-25 Jan Hubicka <jh@suse.cz>
907 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
909 2006-08-25 Alan Modra <amodra@bigpond.net.au>
912 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
915 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
917 PR tree-optimization/16876
918 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
919 exit if PARM doesn't match VALUE.
921 2006-08-25 Bob Wilson <bob.wilson@acm.org>
923 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
924 literal_prefix directive.
925 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
926 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
927 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
929 2006-08-25 David Edelsohn <edelsohn@gnu.org>
932 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
933 predicate to general_operand. Add 0->y and I->r alternatives.
935 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
937 * doc/tm.texi: Fix a typo.
938 * predict.c: Fix comment typos.
940 2006-08-25 Nick Clifton <nickc@redhat.com>
942 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
943 assertions of "cpu" and "machine".
945 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
948 * tree-ssa-operands.c (access_can_touch_variable): Don't say
949 the access through a base which has an alias set of 0 cannot
952 2006-08-24 Bill Wendling <wendling@apple.com>
954 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
956 2006-08-24 Jan Hubicka <jh@suse.cz>
958 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
960 2006-08-24 Jan Hubicka <jh@suse.cz>
963 * cgraph.c: Fix comments.
964 (cgraph_varpool_mark_needed_node): Mark only variables not already
966 * cgraphunit.c: Update comments; include gt-cgraphunit.h
967 (cgraph_varpool_assembled_nodes_queue): New static variable.
968 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
969 (cgraph_varpool_output_debug_info): New function.
970 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
971 * Makefile.in: Add gt-cgraphunit.h
973 2006-08-24 Jan Hubicka <jh@suse.cz>
975 * predict.c (probability_reliable_p): New predicate.
976 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
977 (predict_loops): Do not predict loop exit with less than 2%
979 * basic-block.h (edge_probability_reliable_p,
980 br_prob_note_reliable_p): Declare.
981 * ia64.h (ia64_print_operand): Do not disable on-chip branch
982 prediction when static predictor is not reliable.
983 * rs6000.c (output_cbranch): Likewise.
985 2006-08-23 Stuart Hastings <stuart@apple.com>
988 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
989 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
991 2006-08-21 Geoffrey Keating <geoffk@apple.com>
994 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
995 complex values, nor for generic vector values.
997 2006-08-22 Richard Guenther <rguenther@suse.de>
1000 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1001 parameter. Convert arguments to arithmetic expression to the
1003 (analyze_scalar_evolution_1): Adjust caller.
1005 2006-08-22 Jan Hubicka <jh@suse.cz>
1007 Patch by Paolo Bonzini
1008 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1011 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1013 PR tree-optimization/28003
1014 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1015 before grouping aliases.
1017 2006-08-22 Roger Sayle <roger@eyesopen.com>
1019 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1020 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1022 2006-08-21 Jason Merrill <jason@redhat.com>
1025 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1026 wrapper. Loop to handle nested wrappers.
1027 (gimplify_bind_expr): Remove temp parameter.
1028 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1029 and STATEMENT_LIST on the rhs.
1030 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1031 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1032 (gimplify_target_expr): Remove special BIND_EXPR handling.
1034 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1036 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1039 2006-08-21 Olivier Hainque <hainque@adacore.com>
1041 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1042 Arrange for the temporary captures of components overlapping the lhs
1043 to happen before the lhs is possibly cleared.
1045 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1047 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1048 necessary places to pass the correct "number of registers" values
1051 2006-08-20 Jan Hubicka <jh@suse.cz>
1053 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1054 (create_name_tags): Instead of quadratic checking use hashtable.
1055 * bitmap.h: Include hashtab.h.
1056 (bitmap_hash): Declare.
1057 * bitmap.c (bitmap_hash): New function.
1059 2006-08-20 Jan Hubicka <jh@suse.cz>
1061 PR rtl-optimization/28071
1062 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1064 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1065 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1066 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1067 cgraph_decide_inlining_incrementally): Update use of
1068 cgraph_check_inline_limits.
1069 * cgraph.c (edge_hash, edge_eq): New function.
1070 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1071 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1072 cgraph_remove_node): Maintain call site hash.
1073 * cgraph.h (struct cgraph_node): Add call_site_hash.
1074 (cgraph_set_call_stmt): New function.
1076 2006-08-20 Jan Hubicka <jh@suse.cz>
1078 PR rtl-optimization/28071
1079 * reload1.c (reg_has_output_reload): Turn into regset.
1080 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1081 choose_reload_regs, emit_reload_insns): Update to new
1082 reg_has_output_reload.
1084 2006-08-20 Jan Hubicka <jh@suse.cz>
1087 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1088 function body sizes.
1089 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1091 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1094 * tree.c (handle_dll_attribute): Return early if not a
1095 var or function decl.
1097 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1100 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1101 alignment of SPE vector types.
1103 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1105 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1107 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1110 * cgraph.h (struct cgraph_node): Remove externally_visible
1112 * cgraphunit.c (process_function_and_variable_attributes): Set
1113 local.externally_visible rather than externally_visible.
1116 * c-common.c (handle_externally_visible_attribute): First look
1117 at TREE_CODE and only if it is function or var decl, check for
1118 non-public objects. Don't warn for DECL_EXTERNAL.
1119 * cgraphunit.c (process_function_and_variable_attributes): Warn
1120 if externally_visible attribute is used on non-public object.
1122 2006-08-17 Jan Hubicka <jh@suse.cz>
1124 PR tree-optimization/27865
1125 * reload1.c (forget_marked_reloads): New function.
1126 (forget_old_reloads_1): When data are passed, just mark the registers
1128 (reload_as_needed): Use the new mechanizm.
1130 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1133 * reload.h (reg_equiv_alt_mem_list): New declaration.
1134 * reload1.c (reg_equiv_alt_mem_list): New definition.
1135 (reload): Initialize it and release it.
1136 (delete_output_reload): Use it.
1137 * reload.c (push_reg_equiv_alt_mem): New function.
1138 (find_reloads_toplev): Call it.
1139 (find_reloads_address, find_reloads_address_1): Likewise.
1140 (find_reloads_subreg_address): Likewise.
1142 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1144 PR rtl-optimization/28489
1145 * sched-ebb.c (begin_schedule_ready): Create basic block
1147 (advance_target_bb): Skip empty blocks.
1148 * haifa-sched.c (bb_note): Make global.
1149 * sched-int.h (bb_note): Add prototype.
1151 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1153 PR tree-optimization/27865
1154 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1156 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1157 fold_used_pointer, pointer_used_p): New functions.
1158 (analyze_scalar_evolution_1): Use fold_used_pointer.
1159 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1160 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1163 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1166 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1167 or the INTEGER_CST. Fail on a CALL_EXPR.
1168 (fold_offsetof): Pass new argument to fold_offsetof_1.
1169 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1170 operand into an INDIRECT_REF.
1171 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1173 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1175 PR gcov/profile/26570
1176 * value-prof.c (static_values): Removed.
1177 (tree_find_values_to_profile): Do not set static_values.
1178 (find_values_to_profile): Do not free static_values.
1179 * profile.c (instrument_values): Do not free the values.
1180 (branch_prob): Free the values.
1182 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1184 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1186 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1189 * c-typeck.c (build_component_ref): Combine qualifiers of
1190 structure or union and field.
1192 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1194 PR rtl-optimization/28071
1195 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1196 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1197 * tree-into-ssa.c (struct dom_dfsnum): New.
1198 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1200 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1201 compute_global_livein.
1202 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1203 in phi nodes in the correct blocks.
1205 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1207 PR tree-optimization/28364
1208 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1210 (fold_affine_expr): New function.
1211 (may_eliminate_iv): Use fold_affine_expr.
1213 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1216 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1219 2006-08-16 Mike Stump <mrs@apple.com>
1221 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1222 * doc/cppopts.texi (-MD): Likewise.
1224 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1227 * c-common.c (handle_weak_attribute): Ignore and warn if
1228 not a FUNCTION_ or VAR_DECL.
1230 2006-07-15 Mike Stump <mrs@apple.com>
1233 * c-parser.c (c_parser_typeof_specifier): Don't use
1234 c_finish_expr_stmt, open code desired semantics instead.
1236 2006-08-15 Nick Clifton <nickc@redhat.com>
1238 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1239 fragment to tmake_file only if threads are enabled.
1240 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1241 * config/i386/t-gthr-win32: New file. ... here.
1243 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1246 * c-parser.c (c_parser_compound_statement_nostart): Reset
1247 parser->error after each statement.
1249 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1252 * omp-low.c (lower_omp_parallel): Convert t to
1253 receiver_decl's type.
1254 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1255 source before comparison.
1258 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1259 to itype in assignment to oldival2.
1261 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1265 * c-typeck.c (build_compound_expr): If the second expression
1266 is an error mark, then just return an error mark instead of
1267 creating a COMPOUND_EXPR.
1269 2006-07-14 Mike Stump <mrs@apple.com>
1271 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1273 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1275 * c-decl.c, var-tracking.c: Fix comment typos.
1277 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1279 PR rtl-optimization/28634
1280 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1281 for floating-point modes unless flag_unsafe_math_optimizations.
1283 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1284 Andrew Pinski <pinskia@physics.uc.edu>
1287 * tree.c (build_array_type): Unify array types with
1288 unspecified index_type.
1289 * c-decl.c (grokdeclarator): Make sure we do not modify a
1290 unified incomplete array type.
1291 * c-typeck.c (store_init_value): Create distinct type before
1292 filling in the index type in an initializer from a compound
1295 * c-decl.c (grokdeclarator): Remove code where we copy the
1298 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1300 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1301 into account for TODO_dump_cgraph.
1302 (TODO_update_ssa_no_phi): Likewise.
1303 (TODO_update_ssa_full_phi): Likewise.
1304 (TODO_update_ssa_only_virtuals): Likewise.
1305 (TODO_remove_unused_locals): Likewise.
1306 (TODO_set_props): Likewise.
1307 (TODO_update_stmt_usage): Likewise.
1309 2006-08-13 Dirk Mueller <dmueller@suse.de>
1311 * c-common.c (strict_aliasing_warning): Fix formatting.
1313 2006-08-13 Matthias Klose <doko@debian.org>
1315 * doc/invoke.texi: Fix spelling errors.
1317 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1319 PR rtl-optimization/23454
1320 * reorg.c (relax_delay_slots): Update comment.
1322 2006-08-11 Richard Guenther <rguenther@suse.de>
1325 * simplify-rtx.c (simplify_const_relational_operation):
1326 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1329 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1331 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1332 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1334 2006-08-10 Paul Brook <paul@codesourcery.com>
1336 * final.c (final_scan_insn): Clear current_insn_predicate before
1337 outputting inline asm.
1339 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1341 PR tree-optimization/26197
1342 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1343 get_ref_base_and_extent and overlap_subvar to add only relevant
1344 subvars as may-aliases.
1345 (add_may_alias_for_new_tag): New function, factored out of
1347 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1348 with additional argument.
1349 * tree-flow.h (new_type_alias): Takes additional argument.
1351 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1353 * gcov.c (no_data_file): New flag.
1354 (read_count_file): Set it if data file not present. Assume counts
1356 (output_lines): Don't name the data file, if there wasn't one.
1358 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1360 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1361 (rs6000_generate_compare): Tweak comments.
1362 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1364 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1366 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1367 (var_debug_decl): New function.
1368 (var_reg_set): Follow debug decl link. Add location even if
1369 reg is already known to hold some other variable.
1370 (var_mem_set): Follow debug decl link.
1371 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1372 decl link. Delete other known locations of the variable part
1374 (var_reg_delete, var_mem_delete): Delete other known locations
1375 of the variable part if requested.
1376 (same_variable_part_p): New function.
1377 (add_stores): Select MO_COPY when appropriate.
1378 (vt_initialize): Handle it.
1379 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1380 known locations for MO_SET and MO_CLOBBER.
1381 (find_variable_location_part): New function.
1382 (set_variable_part, delete_variable_part): Use it.
1383 (clobber_variable_part): New function.
1384 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1387 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1389 PR tree-optimization/26969
1390 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1391 with an empty list of PHIs.
1393 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1397 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1400 2006-08-06 Andreas Schwab <schwab@suse.de>
1402 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1403 string. Whitespace and comment fixup.
1405 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1408 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1412 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1415 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1417 2006-08-04 Jan Hubicka <jh@suse.cz>
1421 * reload.c (push_reload): Patch out the mismatching instruction;
1423 (find_reload): Bail out if the instruction was patched out.
1425 2006-08-04 Jan Hubicka <jh@suse.cz>
1427 PR tree-optimization/24888
1428 * tree-inline.c (expand_call_inline): Do not re-record variables.
1429 (declare_inline_vars): Add variable to unexpanded_var_list.
1431 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1432 Roger Sayle <roger@eyesopen.com>
1434 PR rtl-optimization/26244
1435 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1436 inner_const are negative or greater than or equal to the bitsize of
1437 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1438 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1439 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1440 CONST0_RTX (mode) when the new shift count is greater than or equal to
1441 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1444 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1446 * tree-cfg.c: Fix a comment typo.
1448 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1451 * varasm.c (output_constant): Give the front end another chance to
1452 expand constants, after stripping NOPs.
1454 2006-08-03 Jan Hubicka <jh@suse.cz>
1456 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1459 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1461 PR tree-optimization/27770
1462 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1463 declaration removed (moved to tree-flow.h).
1464 (vect_can_force_dr_alignment_p): Likewise.
1465 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1466 (moved from tree-vectorizer.h).
1467 (vect_can_force_dr_alignment_p): Likewise.
1468 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1469 from outside the vectorizer - in particular from cgraph stage.
1470 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1471 the alignment of global arrays when -fsection-anchors is enabled.
1472 * cgraphunit.c (cgraph_increase_alignment): New function.
1473 (cgraph_optimize): Call cgraph_increase_alignment.
1475 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1478 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1479 not reload a SPE symbol_ref into a lo_sum address.
1481 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1484 * dwarf2out.c (prune_unused_types_prune): Move call to
1485 prune_unused_types_update_strings to cover the parent DIE also.
1487 2006-08-02 Jan Hubicka <jh@suse.cz>
1489 PR gcov/profile/28480
1490 * tree-cfg.c (change_bb_for_stmt): New function.
1491 (tree_merge_blocks, tree_split_blocks): Use it.
1493 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1499 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1500 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1501 (cgraph_optimize): Likewise.
1503 2006-08-01 Stuart Hastings <stuart@apple.com>
1505 * rtl.h (UINTVAL) New.
1506 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1507 * testsuite/gcc.dg/20060801-1.c: New.
1509 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1512 * c-typeck.c (build_external_type): Mark used enum types.
1513 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1515 (gen_subprogram_die): Whitespace fix.
1517 2006-08-01 Jan Hubicka <jh@suse.cz>
1519 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1520 bitmap when not needed.
1521 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1524 2006-08-01 Dirk Mueller <dmueller@suse.de>
1526 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1528 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1530 * Makefile.in: Revert part of previous patch:
1531 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1534 2006-07-30 Eric Christopher <echristo@apple.com>
1537 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1538 (PowerPC Variable Attributes): New section.
1540 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1542 PR target/28126 (partial fix)
1543 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1545 2006-07-28 Jan Hubicka <jh@suse.cz>
1547 PR rtl-optimization/28071
1548 * cfgrtl.c (rtl_delete_block): Free regsets.
1549 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1551 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1553 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1554 and variables used in dependencies.
1556 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1558 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1559 %fs for -mcmodel=kernel.
1560 (stack_tls_protect_test_di): Likewise.
1562 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1564 * Makefile.in: Use mkinstalldirs.
1566 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1569 * opts-common.c (prune_options): Skip joined switches.
1571 2006-07-27 Jan Hubicka <jh@suse.cz>
1573 PR rtl-optimization/28071
1574 * cselib.c (cselib_process_insn): Don't remove useless values too
1575 often for very large hashtables.
1577 2006-07-27 Jan Hubicka <jh@suse.cz>
1579 PR rtl-optimization/28071
1580 * global.c (greg_obstack): New obstack.
1581 (allocate_bb_info): Use it.
1582 (free_bb_info): Likewise.
1583 (modify_reg_pav): Likewise.
1585 2006-07-27 Roger Sayle <roger@eyesopen.com>
1587 * builtins.c (fold_fixed_mathfn): When long and long long are the
1588 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1589 functions to their lceil*, lfloor*, lround* and lrint* forms.
1591 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1594 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1596 (rev_branch_insn): Likewise.
1598 2006-07-27 Jan Hubicka <jh@suse.cz>
1600 PR rtl-optimization/28071
1601 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1602 (reg_set_in_bb, max_reg_computed): New static variables.
1603 (regmove_optimize): Free the new array.
1604 (fixup_match_1): Update call of reg_is_remote_constant_p.
1606 2006-07-26 Jan Hubicka <jh@suse.cz>
1608 PR tree-optimization/27882
1609 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1611 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1613 (cgraph_analyze_compilation_unit): Likewise.
1614 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1615 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1616 (cgraph_early_inlinine): Make order garbage collected.
1617 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1619 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1621 * dbxout.c (output_types_sort): Add a comment.
1622 (output_used_types): Free the VEC.
1624 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1626 * function.c (reorder_fix_fragments): Delete.
1627 (reorder_blocks): Don't call it.
1628 (reorder_blocks_1): Put all subblocks under the origin block.
1630 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1632 PR rtl-optimization/27907
1633 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1636 2006-07-25 Roger Sayle <roger@eyesopen.com>
1639 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1640 bar(x) check that bar's result type can represent all the values of T.
1642 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1644 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1646 2006-07-25 Nick Clifton <nickc@redhat.com>
1648 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1649 size_lookup[] array.
1650 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1651 (ggc_pch_count_object): Likewise.
1652 (ggc_pch_alloc_object): Likewise.
1653 (ggc_pch_write_object): Likewise.
1654 (init_ggc): Do not attempt to initialize entries in the
1655 size_lookup[] array for objects whose size is greater than than
1656 the length of the array.
1658 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1660 * dbxout.c (output_used_types_helper): Push queued types
1662 (output_types_sort): New.
1663 (output_used_types): Collect used types on a VEC and sort them
1666 2006-07-24 Richard Guenther <rguenther@suse.de>
1669 * cgraph.c (cgraph_remove_node): Do not check if dumps
1671 * cgraphunit.c (cgraph_optimize): Likewise.
1673 2006-07-24 Jan Hubicka <jh@suse.cz>
1675 PR rtl-optimization/28071
1676 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1677 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1678 splitting before first stmt.
1680 2006-07-24 Jan Hubicka <jh@suse.cz>
1682 PR rtl-optimization/28071
1683 * ipa-inline.c (update_caller_keys): Remove edges that
1684 are no longer inline candidates.
1686 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1689 * dbxout.c (output_used_types_helper, output_used_types): New.
1690 (dbxout_symbol): Call output_used_types.
1692 2006-07-23 Jan Hubicka <jh@suse.cz>
1696 * cgraph.c (cgraph_varpool_nodes): Export.
1697 (decide_is_variable_needed): Ignored "used" attribute in
1698 unit-at-a-time mode.
1699 * cgraph.h (cgraph_varpool_nodes): Declare.
1700 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1701 unit-at-a-time mode.
1703 2006-07-23 Roger Sayle <roger@eyesopen.com>
1706 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1707 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1708 the __gthrw form of thr_keycreate.
1709 (__gthread_key_delete): Silence the unused argument warning.
1711 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1714 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1715 Cache the last found '\0' marker to avoid quadratic behavior.
1717 2006-07-23 Jan Hubicka <jh@suse.cz>
1719 * i386.md (subsi_3_zext): Fix output template.
1721 2006-07-21 Mike Stump <mrs@apple.com>
1723 * doc/invoke.texi (C++ Dialect Options): Note that
1724 -fvisibility-inlines-hidden doesn't affect explicitly
1725 instantiationed inline methods.
1727 2006-07-20 Roger Sayle <roger@eyesopen.com>
1729 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1730 if the target assembler is GNU binutils' gas.
1731 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1732 whether to pass GNU gas or native as command line options.
1734 2006-07-20 Jason Merrill <jason@redhat.com>
1736 * tree.c (remove_attribute): New fn.
1737 * tree.h: Declare it.
1739 2006-07-20 Paul Brook <paul@codesourcery.com>
1742 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1743 they are invalidated by this instruction.
1745 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1748 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1750 2006-07-20 Eric Christopher <echristo@apple.com>
1753 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1755 2006-07-19 Eric Christopher <echristo@apple.com>
1757 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1758 Rewrite dependencies for libgcc_s.1.dylib.
1760 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1762 * except.c (duplicate_eh_regions_1): Clear next_peer.
1764 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1766 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1767 -mlongcall does not guarantee all calls will be long.
1768 * doc/extend.texi (long_call/short_call): Document that longcall
1769 does not guarantee a long call will be used.
1770 (longcall/shortcall): Likewise.
1772 2006-07-18 Roger Sayle <roger@eyesopen.com>
1775 * expmed.c (expand_shift): Additionally check that the shift_cost
1776 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1777 before implementing a LSHIFT_EXPR as a sequence of additions.
1778 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1779 middle-end that DImode shifts need to be synthesized by expand.
1781 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1784 * tree-ssa-operands.c (access_can_touch_variable): Update
1786 Return true if ALIAS is .GLOBAL_VAR.
1788 2006-07-18 David Daney <ddaney@avtrex.com>
1790 * gcc.c (display_help): Fix typo in help text.
1792 2006-07-18 Olivier Hainque <hainque@adacore.com>
1794 * tree.h (categorize_ctor_elements): Adjust prototype and add
1795 descriptive comment, both in accordance with the interface change
1797 * varasm.c (constructor_static_from_elts_p): New function.
1798 Whether a constructor node is a valid static constant initializer
1799 if all its elements are.
1800 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1801 * output.h: Declare it.
1802 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1803 is a valid constant initializer instead of computing the number of
1804 non-constant elements. Use constructor_static_from_elts_p for this
1805 purpose. Replace the head comment with an indication that this is a
1806 helper for categorize_ctor_elements.
1807 (categorize_ctor_elements): Same interface change as for the _1
1808 helper. Former head comment from this helper moved here, adjusted to
1809 account for the interface changes.
1810 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1811 (all_zeros_p): Likewise.
1812 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1813 static versions of the constructor from the categorize_ctor_elements
1814 return value instead of the formerly computed number of non-constant
1817 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1819 * configure: Regenerate.
1820 * Makefile.in (build_libsubdir): New configure substitution
1821 (build_libobjdir): New variable.
1822 (BUILD_LIBIBERTY): Use it.
1824 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1827 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1829 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1832 * c-common.c (handle_weakref_attribute): Ignore attribute in
1833 the same conditions the alias attribute is ignored.
1835 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1837 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1838 (dbxout_begin_prologue): Increment scope_labelno.
1840 2006-07-17 Richard Henderson <rth@redhat.com>
1843 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1846 2006-07-17 Roger Sayle <roger@eyesopen.com>
1847 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1849 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1850 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1851 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1852 functions such as sbrk, write, etc.. Add function prototypes.
1853 Convert function declarations from K&R to ISO C. Cast pointers
1854 to "long" and "unsigned long" instead of "int" and "unsigned int".
1855 Convert tokens following #endif into comments.
1857 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1859 * invoke.texi: Remove mention of f77; Reformat table for
1860 inline parameter options correctly; mention that -malign-double
1861 is default on x86-64 targets.
1863 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1865 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1866 (convert_affine_scev, chrec_convert_aggressive): Use
1867 avoid_arithmetics_in_type_p. Do not check for the subtypes
1870 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1873 * optabs.c (expand_doubleword_shift): Wrap the call to
1874 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1876 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1879 * optabs.c (expand_binop): Pass next_methods rather than methods
1880 to expand_doubleword_shift.
1882 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1885 * tree.h (dump_addr): Declare.
1886 * print-tree.c (dump_addr): New function.
1887 (print_node_brief, print_node): Use it.
1888 * print-rtl.c (print_rtx): Likewise.
1889 * common.opt (-fdump-noaddr): New option.
1890 * doc/invoke.texi (-fdump-noaddr): Document.
1891 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1892 (ve_info_hash): Likewise.
1894 2006-07-13 Andrew Haley <aph@redhat.com>
1896 PR tree-optimization/19505
1897 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1898 edge leaving this block, make sure that the destination of this
1899 block has only one predecessor.
1901 2006-07-17 Richard Guenther <rguenther@suse.de>
1903 PR tree-optimization/28238
1904 * tree-inline.c (copy_bb): Check if we produced valid
1905 gimple copying and substituting a stmt. If not, gimplify
1908 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1910 * optabs.c (maybe_encapsulate_block): New function extracted from...
1911 (emit_libcall_block): ...here. Invoke it on the block of insns to
1912 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1913 (emit_no_conflict_block): Likewise.
1915 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1917 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1919 2006-07-15 Roger Sayle <roger@eyesopen.com>
1921 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1922 a new NOP_EXPR case of the switch statement.
1924 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1927 * stor-layout.c (place_field): Take the bit field with
1928 an excessive size into account in the ms-bitfiled case.
1931 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1932 the previous bit field.
1934 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1937 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1939 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1941 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1942 signal frames correctly even when the signal was installed with
1945 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1947 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1948 (dbxout_function_end): Use local label LFBB. Remove hook
1950 (dbxout_source_line): Use local label LFBB.
1951 (dbxout_block): Likewise.
1952 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1953 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1954 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1955 and DBX_OUTPUT_NFUN.
1957 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1959 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1961 2006-07-13 Jan Hubicka <jh@suse.cz>
1963 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1965 * output.h (align_variable): Declare.
1966 * varasm.c (align_variable): Export.
1967 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1968 when basic block changed.
1970 2006-07-13 Nick Clifton <nickc@redhat.com>
1972 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1973 walking the LOG_LINKS chain.
1975 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1977 * doc/invoke.texi (C++ Dialect Options): Explain difference
1978 between -fvisibility-inlines-hidden and setting hidden
1979 visibility explicitly.
1981 2006-07-12 Eric Christopher <echristo@apple.com>
1983 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1984 (stmp-lipo): Depend on libgcc.a.
1986 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1988 * tree.c: Fix a comment typo.
1990 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1992 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1994 (umulhisi3_r): Likewise.
1996 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1999 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2000 x < 19, vs wchar_t support.
2002 2006-07-12 Nick Clifton <nickc@redhat.com>
2004 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2005 instead of -isa=sh4.
2007 2006-07-12 Mike Stump <mrs@apple.com>
2009 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2011 2006-07-10 Eric Christopher <echristo@apple.com>
2013 * config/t-slibgcc-darwin: Rewrite.
2015 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2018 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2021 2006-07-08 Matthias Klose <doko@debian.org>
2023 * doc/sourcebuild.texi: Fix typo.
2025 2006-07-07 Mike Stump <mrs@apple.com>
2027 * toplev.c (process_options): Don't give -ffunction-sections may
2028 affect debugging warning for Mach-O.
2030 2006-07-07 James E Wilson <wilson@specifix.com>
2032 * config/mips/mips.md (cpu): Add sb1a.
2033 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2034 addition to sb1. Adjust comments to clarify SB-1A differences from
2036 (ir_sb1a_load): New. Modify bypasses to use it.
2037 (ir_sb1a_simple_alu): Likewise.
2038 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2039 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2040 (mips_issue_rate): Add PROCESSOR_SB1A.
2041 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2042 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2043 (TARGET_SB1): Add PROCESSOR_SB1A check.
2044 (TUNE_SB1): Likewise.
2046 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2047 * config/mips/mips.c (mips_store_data_bypass_p): New.
2048 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2049 store_data_bypass_p.
2051 2006-07-08 Paul Brook <paul@codesourcery.com>
2054 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2056 2006-07-07 Richard Guenther <rguenther@suse.de>
2059 * tree.h (build_one_cst): Declare.
2060 * tree.c (build_one_cst): New function.
2061 * tree-ssa-math-opts.c (get_constant_one): Remove.
2062 (insert_reciprocals): Use build_one_cst.
2063 * fold-const.c (fold_plusminus_mult): Likewise.
2065 2006-07-07 Roger Sayle <roger@eyesopen.com>
2067 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2068 * cfgloopanal.c (dump_graph): Likewise.
2069 * dojump.c (discard_pending_stack_adjust): Likewise.
2070 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2072 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2073 * function.c (finalize_block_changes): Likewise.
2074 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2075 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2076 * rtl.c (dump_rtx_statistics): Likewise.
2077 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2079 * varray.c (dump_varray_statistics): Likewise.
2080 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2081 decode_decimal64, encode_decimal128, decode_decimal128,
2082 decimal_real_to_decimal): Likewise.
2084 2006-07-07 Richard Guenther <rguenther@suse.de>
2086 PR tree-optimization/28187
2087 * tree-vrp.c (vrp_operand_equal_p): New function.
2088 (vrp_bitmap_equal_p): Likewise.
2089 (update_value_range): Use them to compare old and new
2092 2006-07-06 Roger Sayle <roger@eyesopen.com>
2094 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2095 a default case to switch statement to silence compiler warnings.
2097 2006-07-06 Roger Sayle <roger@eyesopen.com>
2100 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2101 the configured assembler supports the x87's ffreep mnemonic.
2102 * configure: Regenerate.
2103 * config.in: Regenerate.
2105 * config/i386/i386.c (output_387_ffreep): New function.
2106 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2107 (output_387_reg_move): Likewise.
2109 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2111 Port to hosts whose 'sort' and 'tail' implementations
2112 treat operands with leading '+' as file names, as POSIX
2113 has required since 2001. However, make sure the code still
2114 works on pre-POSIX hosts.
2115 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2116 which says you should use "tail -c +N" rather than "tail +Nc".
2117 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2119 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2121 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2124 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2127 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2128 PRE_{INC,DEC} of TFmode.
2130 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2131 Alan Modra <amodra@bigpond.net.au>
2134 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2137 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2140 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2141 Remove duplicate gtu.
2143 2006-07-05 Jason Merrill <jason@redhat.com>
2147 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2148 * c-common.c (handle_packed_attribute): So don't copy it here.
2149 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2151 2006-07-05 Mike Stump <mrs@apple.com>
2153 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2155 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2158 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2160 2006-07-05 Richard Guenther <rguenther@suse.de>
2163 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2164 TARGET_SSE2 targets if using SSE math.
2165 (*absdf2_1): Likewise.
2167 2006-07-05 Richard Guenther <rguenther@suse.de>
2169 PR tree-optimization/28162
2170 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2171 make sure to convert the operands to the correct type.
2173 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2175 PR tree-optimization/28218
2177 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2178 to calculate and free the dominator information.
2180 2006-07-04 Peter O'Gorman <peter@pogma.com>
2182 * mklibgcc.in: chmod 644 before ranlib during install.
2184 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2185 J"orn Rennecke <joern.rennecke@st.com>
2187 * configure.ac (.eh_frame data check): Use diff -b.
2189 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2192 * Makefile.in (BUILD_RTL): Add build/vec.o.
2193 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2194 (build/genextract): Delete.
2195 (build/genautomata): Likewise.
2197 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2200 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2201 128-bit IBM long doubles for ABI_V4.
2203 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2205 * tree.c (range_in_array_bounds_p): New predicate.
2206 * tree.h (range_in_array_bounds_p): Declare it.
2207 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2208 return a less conservative answer.
2209 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2210 and flag 'is_group'.
2211 (IS_ELEMENT_FOR_GROUP): New macro.
2212 (FOR_EACH_ACTUAL_CHILD): Likewise.
2213 (next_child_for_group): New helper function.
2214 (can_completely_scalarize_p): Take into account groups.
2215 (sra_hash_tree): Handle RANGE_EXPR.
2216 (sra_elt_eq): Likewise.
2217 (lookup_element): Be prepared for handling groups.
2218 (is_valid_const_index): Delete.
2219 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2220 instead of is_valid_const_index.
2221 <ARRAY_RANGE_REF>: New case.
2222 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2223 is_valid_const_index.
2224 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2225 (scan_dump): Dump info for groups too.
2226 (decide_instantiation_1): Likewise.
2227 (decide_block_copy): Assert that the element is not a group.
2228 Propagate decision to groups.
2229 (generate_one_element_ref): Handle RANGE_EXPR.
2230 (mark_no_warning): Iterate over actual childs.
2231 (generate_copy_inout): Likewise.
2232 (generate_element_copy): Likewise.
2233 (generate_element_zero): Likewise.
2234 (generate_element_init_1): Likewise.
2235 (dump_sra_elt_name): Handle RANGE_EXPR.
2237 2006-07-03 Roger Sayle <roger@eyesopen.com>
2239 PR tree-optimization/26251
2240 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2241 (thread_block): When optimizing for size refuse to thread jumps
2242 that would require duplication of blocks other than redirection
2245 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2247 * configure.ac: Fix thinko in previous check-in.
2248 * configure: Regenerate.
2250 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2253 * configure.ac (for lang...): Simplify nesting of conditionals.
2254 Test subdir_requires for non-enabled languages. Move processing
2255 of lang_opt_files and lang_tree_fiels below that test.
2256 * configure: Regenerate.
2257 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2259 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2261 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2263 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2265 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2268 2006-06-29 Jason Merrill <jason@redhat.com>
2275 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2276 * c-common.c (c_determine_visibility): Handle it here.
2277 * c-decl.c (finish_decl): Call c_determine_visibility for
2279 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2281 * varasm.c (default_assemble_visibility): Likewise.
2282 * c-common.c (handle_visibility_attribute): Complain about trying
2283 to give visibility to an already defined class, or trying to change
2284 declared visibility. Always attach the attribute.
2289 * attribs.c (decl_attributes): Ignore type-in-place attributes
2290 once the type has been defined.
2292 2006-06-29 Roger Sayle <roger@eyesopen.com>
2295 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2296 to indicate the cpplib has issued an error message for us.
2298 2006-06-29 Asher Langton <langton2@llnl.gov>
2301 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2302 insert a label at the end of an function under Mach-O.
2304 2006-06-29 Eric Christopher <echristo@apple.com>
2305 Evan Cheng <evan.cheng@apple.com>
2307 * predicates.md (vector_all_ones_operand): New.
2308 (nonimmediate_or_sse_const_operand): Ditto.
2309 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2310 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2311 (standard_sse_mode_p): Ditto.
2312 (standard_sse_constant_p): Add case for -1 vector.
2313 (ix86_expand_vector_move): Try to use.
2314 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2315 Call standard_sse_constant_opcode.
2316 (*movv4sf_internal): Ditto.
2317 (*movv2df_internal): Ditto.
2319 2006-06-29 Roger Sayle <roger@eyesopen.com>
2321 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2322 of XEXP to extract the operands of a MATCH_CODE rtx.
2324 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2326 * tree.c (tree_size): Do not waste tail padding in
2327 struct tree_string and make the size be the same as
2328 build_string will generate.
2330 2006-06-28 Jason Merrill <jason@redhat.com>
2333 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2334 may_aliases already in the tag's annotations to the bitmap.
2336 2006-06-28 Roger Sayle <roger@eyesopen.com>
2338 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2340 2006-06-28 Roger Sayle <roger@eyesopen.com>
2342 * genpreds.c (generate_switch_p): New function.
2343 (add_mode_tests): Push the new mode test down inside an AND expr
2344 if this allows the switch-suitable MATCH_CODE to be near the root.
2345 (write_match_code_switch): New function to write a MATCH_CODE as
2347 (write_predicate_stmts): New function to write a predicate RTX
2348 expression as a sequence of statements.
2349 (write_one_predicate_function): Use write_predicate_stmts.
2350 (write_tm_constrs_h): Likewise.
2352 2006-06-26 Fred Fish <fnf@specifix.com>
2354 * config/mips/t-sb1: New file.
2355 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2358 2006-06-26 DJ Delorie <dj@redhat.com>
2360 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2362 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2363 Jayant Sonar <jayants@kpitcummins.com>
2364 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2366 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2367 (subsi3, subsi3_1, subsi3_2): New.
2368 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2369 * config/m32c/mov.md (SI mov peephole): New.
2370 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2371 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2373 2006-06-26 Olivier Hainque <hainque@adacore.com>
2375 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2376 a CALL_EXPR target function declaration.
2378 2006-06-26 Richard Guenther <rguenther@suse.de>
2380 * tree.c (build_string): Do not waste tail padding in
2383 2006-06-26 Richard Guenther <rguenther@suse.de>
2385 * ggc-page.c (init_ggc): Add missing element to size_lookup
2389 2006-06-23 Richard Guenther <rguenther@suse.de>
2391 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2392 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2393 alignment requests instead. Add verification code.
2394 Add struct tree_function_decl and struct tree_binfo size to
2395 extra_order_size_table. Add missing element to size_lookup
2398 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2401 * fold-const.c (const_binop): Be prepared for self returning zero.
2402 Simplify code handling complex values.
2404 2006-06-24 Olivier Hainque <hainque@adacore.com>
2406 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2407 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2410 2006-06-24 Olivier Hainque <hainque@adacore.com>
2412 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2413 ARRAY_REF, so have the callback called for the low bound expression.
2415 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2417 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2418 * c-typeck.c (c_common_type): Disallow operations on decimal float
2419 types and other float types.
2420 * convert.c (convert_to_real): Don't ignore conversions involving
2421 decimal float types.
2423 2006-06-23 Olivier Hainque <hainque@adacore.com>
2425 * tree.c (max_int_size_in_bytes): New function, inspired from
2426 code in function.c:assign_temp.
2427 * tree.h (max_int_size_in_bytes): Declare.
2428 * function.c (assign_temp): Use it.
2429 * gimplify.c (create_tmp_var): Relax the assertions on the type
2430 properties, not mandating constant size any more.
2431 (force_constant_size): New static function.
2432 (gimple_add_tmp_var): Use it, forcing variable size to a
2433 constant upper bound if it is not constant on entry.
2435 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2438 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2439 for initialization and setting of one_only flag to ...
2440 (i386_pe_encode_section_info): ...here.
2441 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2442 Recheck that the symbol has not been defined.
2444 2006-06-23 Richard Guenther <rguenther@suse.de>
2446 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2447 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2448 alignment requests instead. Add verification code.
2449 Add struct tree_function_decl and struct tree_binfo size to
2450 extra_order_size_table. Add missing element to size_lookup
2453 2006-06-22 Roger Sayle <roger@eyesopen.com>
2454 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2457 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2458 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2460 2006-06-23 Ben Elliston <bje@au.ibm.com>
2462 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2463 negate dn -- manipulate it directly.
2465 2006-06-22 Roger Sayle <roger@eyesopen.com>
2466 Steven Bosscher <stevenb.gcc@gmail.com>
2469 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2470 generated by gen_move_insn to add REG_LABEL notes if necessary.
2472 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2474 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2475 (leaf_entry): Remove use of MIN_ESA.
2477 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2479 PR rtl-optimization/28121
2480 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2483 2006-06-21 DJ Delorie <dj@redhat.com>
2485 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2487 (mulhisi3_r): Likewise.
2489 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2492 * coverage.c (coverage_counter_alloc): Leave the index type
2494 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2497 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2499 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2500 section from the "Options for Code Generation Conventions".
2502 2006-06-21 Richard Henderson <rth@redhat.com>
2506 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2508 (global_symbolic_operand): Allow weak symbols, even if local_p.
2510 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2512 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2513 (find_interesting_uses_address): Punt if above function returns true.
2515 2006-06-21 Richard Guenther <rguenther@suse.de>
2517 * configure: Regenerated.
2519 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2521 * config/mips/mips.c (function_arg): Where one part of a
2522 complex argument is in registers and the other part in the stack,
2523 return a REG not a PARALLEL.
2525 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2527 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2528 when cross-compiling. Do not substitute libstdcxx_incdir.
2529 * configure: Regenerated.
2531 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2533 * varasm.c (mergeable_string_section): Check for embedded NULs and
2534 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2535 rather than TREE_STRING_LENGTH bytes.
2537 2006-06-21 Richard Guenther <rguenther@suse.de>
2539 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2540 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2543 2006-06-21 Richrad Guenther <rguenther@suse.de>
2545 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2546 Limit iteration over the dominators.
2548 2006-06-20 Roger Sayle <roger@eyesopen.com>
2550 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2551 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2553 2006-06-20 Richard Guenther <rguenther@suse.de>
2554 Michael Matz <matz@suse.de>
2556 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2558 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2559 * et-forest.h (et_free_pools): Prototype new function.
2560 * et-forest.c (et_free_tree_force): Free parent occurrence.
2561 (et_free_pools): New function.
2562 * dominance.c (free_dominance_info): Free et-forest alloc
2565 2006-06-20 Roger Sayle <roger@eyesopen.com>
2567 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2568 integer modes, attempt to directly construct an integer constant.
2570 * fold-const.c (native_encode_vector): Determine the size of each
2571 element from the vector type instead of the first vector element.
2573 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2574 if all of its elements/components are constant.
2575 (build_constructor_from_list): Likewise.
2577 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2579 PR tree-optimization/27331
2580 * tree-data-ref.c (free_data_ref): New function.
2581 (create_data_ref): Fail if the data reference has unknown access
2583 (free_data_refs): Use free_data_ref.
2585 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2588 * tree-inline.c (setup_one_parameter): Strip useless
2589 type conversion before adding it to the IR.
2590 (declare_return_variable): Likewise.
2592 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2595 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2597 2006-06-19 Mike Stump <mrs@apple.com>
2599 * tree.c (variably_modified_type_p): VM arguments don't make the
2602 2006-06-19 Richard Guenther <rguenther@suse.de>
2604 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2605 type conversions after folding.
2607 2006-06-19 Richard Guenther <rguenther@suse.de>
2609 * ggc-page.c (extra_order_size_tab): Add entries with
2610 size of struct function and basic_block.
2611 (size_lookup): Extend to cover sizes up to 511.
2612 (ggc_alloc_stat): Adjust user.
2613 (ggc_pch_count_object): Likewise.
2614 (ggc_pch_alloc_object): Likewise.
2615 (ggc_pch_write_object): Likewise.
2617 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2619 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2620 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2623 2006-06-19 Denis Chertykov <denisc@overta.ru>
2625 * config/avr/libgcc.S : Correct my wrong previous commit.
2627 2006-06-19 Roger Sayle <roger@eyesopen.com>
2630 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2631 have stripped a SUBREG from the shift count, so we may need to
2632 convert_to_mode back to the type's mode before calling make_tree.
2633 Use new_amount instead of amount to avoid expanding a tree twice.
2635 2006-06-19 Richard Guenther <rguenther@suse.de>
2638 * fold-const.c (operand_equal_p): Check if the argument types
2639 have the same precision before stripping NOPs.
2641 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2643 Fix PR tree-optimization/27341
2644 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2646 * tree-complex.c (pass_lower_complex): Update SMT usage.
2648 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2650 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2651 Add a new alternative to the constraint strings. Add move of
2652 operand 1 to 3 to the splitter definition.
2653 ("doloop_si_long"): Second contraint alternative removed.
2655 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2657 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2658 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2660 (AVR_HAVE_MOVW) Define.
2661 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2662 (ASM_SPEC): Add avr25.
2663 (LINK_SPEC): Add avr25.
2664 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2665 (base_arch_s): Add new member 'have_movw_lpmx'.
2666 (avr_arch_types): Init 'have_movw_lpmx'.
2667 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2668 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2669 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2670 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2671 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2673 (avr_file_start): Do not output '.arh' derective.
2674 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2675 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2676 * config/avr/avr.md (mcu_enhanced): Delete.
2677 (mcu_have_movw): Define.
2678 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2679 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2680 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2681 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2682 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2683 attiny861 and at86rf401 devices.
2685 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2687 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2690 2006-06-17 Karl Berry <karl@gnu.org>
2692 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2693 doc/gccint.texi, doc/install.texi (@dircategory): Use
2694 "Software development" instead of "Programming", following
2695 the Free Software Directory.
2697 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2699 * config/i386/i386.c (legitimate_tls_address)
2700 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2701 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2702 (*tls_dynamic_gnu2_combine_64): Likewise.
2704 2006-06-16 Richard Guenther <rguenther@suse.de>
2707 * fold-const.c (negate_expr_p): Do not introduce undefined
2708 overflow in negating INTEGER_CSTs.
2709 (fold_negate_expr): Rename from negate_expr. Revert last
2710 change for folding BIT_NOT_EXPR. Change semantics to
2711 return NULL_TREE for non-simplified negations. Do not
2712 strip type conversions and unify type handling.
2713 (negate_expr): New function, wrap around fold_negate_expr
2714 but ensure building a tree always. Strip type conversions
2715 here, fold to result type.
2716 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2718 2006-06-16 Roger Sayle <roger@eyesopen.com>
2721 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2722 that (would) return their results in stack registers.
2724 2006-06-16 Michael Matz <matz@suse.de>
2725 Richard Guenther <rguenther@suse.de>
2727 * fold-const.c (fold_truthop): Only return new tree node if
2728 we canonicalized something.
2730 2006-06-16 Richard Guenther <rguenther@suse.de>
2732 * function.h (enum function_frequency): Move declaration
2733 out of struct function.
2734 (struct function): Move bool fields and the enum to the bitfield
2735 section. Reorder elements to avoid padding. Remove unused
2736 fields left over from the RTL inliner removal.
2737 * function.c (free_after_compilation): Do not zero removed fields.
2738 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2739 (ipa-type-escape.o): Likewise.
2741 2006-06-16 Richard Guenther <rguenther@suse.de>
2743 * cgraph.h (struct cgraph_local_info): Turn bool elements
2745 (struct cgraph_node): Likewise.
2746 (struct cgraph_varpool_node): Likewise.
2748 2006-06-15 Richard Guenther <rguenther@suse.de>
2750 * fold-const.c (fold_truth_not_expr): Rename from
2751 invert_truthvalue. Give it fold_* semantics to avoid
2753 (invert_truthvalue): New function. Wrapper around
2754 fold_truth_not_expr.
2755 (optimize_minmax_comparison): Avoid creating garbage.
2756 (fold_unary): Use fold_truth_not_expr for folding
2758 (fold_ternary): Replace uses of invert_truthvalue with
2759 fold_truth_not_expr where applicable.
2760 * tree.h (fold_truth_not_expr): Prototype.
2762 2006-06-16 Richard Guenther <rguenther@suse.de>
2764 PR tree-optimization/27781
2765 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2766 * ipa-pure-const.c (target.h): Include.
2767 (analyze_function): Do not analyze functions that do not
2770 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2773 * tree-dfa.c (referenced_vars_dup_list): Remove.
2774 (find_referenced_vars): Remove assert.
2775 (referenced_var_check_and_insert): Replace dup list with assert.
2776 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2777 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2779 2006-06-15 Richard Guenther <rguenther@suse.de>
2781 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2782 extra unused identifiers if not dumping.
2783 (create_variable_info_for): Likewise.
2785 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2787 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2788 (derive_constant_upper_bound): Derive more precise upper bound in
2789 common cases. Return type changed to double_int.
2790 (record_estimate): Reflect the changed return type of
2791 derive_constant_upper_bound.
2792 * double-int.c (double_int_zext, double_int_sext): Fix.
2794 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2796 * configure.ac (CFLAGS): Get them from the toplevel or from the
2797 configure invocation.
2798 * configure: Regenerate.
2799 * Makefile.in (CFLAGS): Substitute value provided by configure.
2801 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2804 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2805 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2806 rather than calling add_stmt on it.
2807 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2809 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2812 * reload1.c (reload): Remove registers returned by update_eliminables
2813 from used_spill_regs.
2815 2006-06-13 DJ Delorie <dj@redhat.com>
2817 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2819 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2821 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2822 html__strip_dir, html__mkdir_p. Enhance install-html target.
2823 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2824 * configure: Regenerate.
2826 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2828 * fold-const.c (fold_cond_expr_with_comparison): Check for
2829 Objective-C++ as language in deciding COND_EXPR transformation.
2831 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2834 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2835 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2836 * config/sh/lib1funcs.h (SL, SL1): Define.
2837 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2838 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2839 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2840 (OBJS_Os_4_200): New variable.
2841 ($(T)libgcc-Os-4-200.a): Use it.
2842 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2843 when dividing 1 and/or by 0.
2845 2006-06-13 Roger Sayle <roger@eyesopen.com>
2847 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2848 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2849 * configure: Regenerate.
2851 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2853 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2854 for real instruction.
2856 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2859 * haifa-sched.c (check_cfg): Handle special case.
2861 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2864 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2865 Add debug_info parameter. Chain the vars to the BLOCK instead
2866 of the BIND_EXPR if debug info are requested for them.
2867 (pop_gimplify_context): Adjust for above change.
2868 (gimple_add_tmp_var): Likewise.
2869 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2871 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2872 (convert_local_reference): Likewise.
2873 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2874 (finalize_nesting_tree_1): Request that debug info be emitted
2875 for debug_var_chain.
2877 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2879 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2880 for PR target/27863.
2882 2006-06-13 Richard Guenther <rguenther@suse.de>
2885 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2887 2006-06-13 Richard Guenther <rguenther@suse.de>
2889 PR tree-optimization/27830
2890 * tree-inline.c (copy_body_r): For copying the operand
2891 of an ADDR_EXPR make sure to fold &* afterwards.
2893 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2895 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2896 lvalues in the fb_none case with side-effects.
2898 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2900 * tree-flow.h: Remove the prototype for
2901 compute_phi_arg_on_exit.
2902 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2903 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2906 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2908 * builtins.c (expand_builtin_return_addr): Only use
2909 frame_pointer_rtx when count == 0 and we are expanding
2910 __builtin_return_address.
2912 2006-06-12 Fred Fish <fnf@specifix.com>
2914 * config/mips/mips.c (mips_file_start): Create special section
2915 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2917 2006-06-11 Eric Christopher <echristo@apple.com>
2920 * stor-layout.c (place_field): Remove check for
2921 remaining_in_alignment when aligning at the end of a run.
2923 2006-06-11 Eric Christopher <echristo@apple.com>
2926 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2929 2006-06-11 Roger Sayle <roger@eyesopen.com>
2932 Revert incorrect fix for PR target/27158
2933 2006-05-08 Roger Sayle <roger@eyesopen.com>
2934 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2935 of a reg_equiv_constant if the result is a legitimate constant.
2937 2006-06-11 Roger Sayle <roger@eyesopen.com>
2940 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2941 extract a CONST_VECTOR element and interpret it as an integer.
2942 (vspltis_constant): Use const_vector_elt_as_int instead of the
2943 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2944 * config/rs6000/predicates.md (easy_vector_const): Consider
2945 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2947 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2950 * stor-layout.c (update_alignment_for_field): Don't add extra
2951 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2954 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2956 * config/mips/t-rtems: Add EL/EB multilib variants.
2958 2006-06-09 Mike Stump <mrs@apple.com>
2960 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2962 2006-06-09 David Daney <ddaney@avtrex.com>
2964 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2966 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2968 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2970 2006-06-09 Richard Guenther <rguenther@suse.de>
2972 PR tree-optimization/26998
2973 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2974 of signed types, only TYPE_MIN_VALUE is special, but for both,
2975 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2976 in this case, as is -fwrapv.
2978 2006-06-08 Mike Stump <mrs@apple.com>
2981 * config/darwin.c (darwin_asm_output_anchor): Disable
2982 -fsection-anchors on darwin for now.
2983 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2984 * rs6000/rs6000.c (optimization_options): Likewise.
2986 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2989 * config/i386/i386.c (classify_argument): Skip fields with invalid
2992 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2994 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2995 (cse_insn): Likewise for the stack_pointer_rtx.
2997 2006-06-08 Roger Sayle <roger@eyesopen.com>
2999 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3000 conditions from floating point comparisons.
3002 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3005 * expmed.c (struct alg_hash_entry): Fix type of field T
3006 to match synth_mult argument.
3007 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3009 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3012 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3015 2006-06-08 Richard Guenther <rguenther@suse.de>
3018 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3019 only, if overflow is defined and not trapping.
3020 (negate_expr): Likewise.
3022 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3024 PR tree-optimization/27872
3025 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3026 flag on the new exit edge of the unrolled loop.
3028 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3030 PR rtl-optimization/26449
3031 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3033 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3036 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3037 referenced_variables with matching DECL_UID's.
3038 (find_referenced_vars): Make sure duplicate list is empty to start.
3039 (referenced_var_p): Remove.
3040 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3041 Check if var is in the list, and add if needed. Update the duplicate
3042 list if a different var is in the list with the same DECL_UID.
3043 (add_referenced_var): Call routine to check and insert.
3044 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3045 * tree-flow.h (referenced_vars_dup_list): External declaration.
3047 2006-06-07 Fred Fish <fnf@specifix.com>
3049 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3052 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3055 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3056 the imaginary and real parts of a clobbered register.
3057 Emit insn to set the imaginary part.
3059 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3061 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3062 in lieu of unwind-dw2-fde.c.
3064 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3066 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3068 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3071 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3072 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3073 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3074 V4SImode temporaries and operations instead.
3076 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3078 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3081 2006-06-06 Mike Stump <mrs@apple.com>
3083 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3084 installing during build.
3086 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3088 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3090 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3091 * config/ia64/ia64.c (params.h): New header.
3092 (ia64_optimization_options): New function to adjust parameters.
3093 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3094 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3095 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3097 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3099 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3101 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3104 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3106 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3107 Victor Kaplansky <victork@il.ibm.com>
3109 PR tree-optimization/26360
3110 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3113 2006-06-04 Roger Sayle <roger@eyesopen.com>
3114 Andrew Pinski <pinskia@physics.uc.edu>
3117 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3118 for LABEL_DECL before calling DECL_WEAK.
3121 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3122 LABEL_DECL and PARM_DECL.
3124 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3128 * c-decl.c (grokdeclarator): Disallow variably modified types at
3129 file scope. Avoid marking shared array type of constant size as
3132 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3135 * c-common.c (fold_offsetof_1): Handle static members.
3137 2006-06-04 Eric Christopher <echristo@apple.com>
3139 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3140 (debug_rli): Output value for remaining_in_alignment.
3141 (update_alignment_for_field): Unconditionalize
3142 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3143 extra alignment code.
3144 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3145 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3146 * tree.h (record_layout_info_s): Remove prev_packed.
3147 * doc/extend.texi (ms_struct): Add documentation of format.
3149 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3151 * tree.h: Declare folding_initializer.
3152 * builtins.c (fold_builtin_constant_p): Give definite answer
3153 if folding inside an initializer.
3154 * fold-const.c: Define folding_initializer.
3155 (START_FOLD_INIT): Save and then set folding_initializer.
3156 (END_FOLD_INIT): Restore folding_initializer.
3158 2006-06-04 Richard Guenther <rguenther@suse.de>
3160 PR tree-optimization/27039
3161 * fold-const.c (fold_comparison): Handle pointer comparison
3162 again for all comparison codes. Compare offsets in signed
3164 (fold_binary): Move code from here.
3166 2006-06-03 Roger Sayle <roger@eyesopen.com>
3169 * config/i386/i386.c (construct_container): Split static issued_error
3170 flag into issued_sse_arg_error, issued_sse_ret_error and
3171 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3172 requires the use of x87 registers and the user explicitly
3173 specified the -mno-80387 command line option.
3175 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3177 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3178 HAVE_DECL_SIGALTSTACK.
3180 (segv_handler): Use MC_FLD.
3181 * configure.ac: Check for a sigaltstack declaration.
3182 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3183 * configure: Regenerate.
3184 * config.in: Regenerate.
3186 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3189 * Makefile.in (stmp-fixinc): Fix typo.
3191 2006-06-02 Roger Sayle <roger@eyesopen.com>
3193 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3194 are type correct. Clean-up.
3195 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3196 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3198 2006-06-01 DJ Delorie <dj@redhat.com>
3200 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3201 shift, as we've disabled the "switch" insn that needs it.
3203 2006-06-01 Per Bothner <bothner@bothner.com>
3205 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3206 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3207 * c-ppoutput.c (cb_define): Don't increment line 0.
3209 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3211 * doc/invoke.texi: Add cpu_type power6.
3212 * config.gcc: Add cpu_type power6.
3213 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3214 to power5+ with Altivec.
3215 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3216 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3218 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3220 * config/avr/avr.h (SET_ASM_OP): Define.
3222 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3224 * config/bfin/bfin.c: Fix comment typos.
3226 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3229 * doc/install.texi: Document --enable-bootstrap and
3230 --disable-bootstrap.
3232 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3234 * doc/install.texi: Document that InfoZIP can replace jar.
3236 2006-05-31 Roger Sayle <roger@eyesopen.com>
3238 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3239 isn't available, directly generate the simpler x87 patterns without
3240 the (use (const_int 0)).
3241 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3242 implementation isn't available.
3243 (*negdf2_1): Likewise.
3244 (*negxf2_1): XF mode negation is always done using the x87.
3245 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3247 2006-05-31 Roger Sayle <roger@eyesopen.com>
3249 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3250 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3252 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3254 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3256 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3257 * config/bfin/bfin.c (basic-block.h): Include.
3258 (struct machine_function): New.
3259 (bfin_init_machine_status): New.
3260 (override_options): Initialize init_machine_status.
3261 (bfin_hardware_loop): New.
3262 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3263 (DEF_VEC_P (loop_info)): New.
3264 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3265 (struct loop_info): New.
3266 (loop_info): New typedef.
3267 (struct loop_work): New.
3268 (loop_work): New typedef.
3269 (DEF_VEC_O (loop_work)): New.
3270 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3271 (bfin_dump_loops): New.
3272 (bfin_bb_in_loop): New.
3273 (bfin_scan_loop): New.
3274 (bfin_optimize_loop): New.
3275 (bfin_reorg_loops): New.
3276 (bfin_reorg): Use bfin_reorg_loops.
3277 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3279 (I_REGNO_P): Simplify.
3280 (DP_REGNO_P, DPREG_P): New macros.
3281 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3282 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3283 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3284 Add LT_REGS, LC_REGS, LB_REGS.
3285 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3287 (REGNO_REG_CLASS): Deal with loop registers.
3288 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3290 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3291 New constants for loop registers.
3292 (UNSPEC_LSETUP_END): New.
3293 (seq_insns): New define_attr. Set it for appropriate insns.
3294 (movsi_insn): Add alternatives for move from/to
3295 loop count registers.
3296 (doloop_end): New define_expand.
3297 (loop_end): New define_insn.
3298 (define_split for bad doloop_end): New.
3299 (lsetup_with_autoinit): New define_insn.
3300 (lsetup_without_autoinit): New define_insn.
3301 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3302 * config/bfin/predicates.md (lc_register_operand): New.
3303 (lt_register_operand): New.
3304 (lb_register_operand): New.
3305 (nondp_register_operand): New.
3306 (nondp_reg_or_memory_operand): New.
3307 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3309 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3311 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3312 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3314 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3316 * Makefile.in (CATALOGS): Add po/ prefix.
3317 * configure: Regenerated.
3319 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3322 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3323 a shift operand before calling shift_op. Avoid redundant call of
3326 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3327 DJ Delorie <dj@redhat.com>
3329 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3330 we're inserting is a singlt-bit constant.
3332 2006-05-30 Roger Sayle <roger@eyesopen.com>
3334 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3335 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3337 2006-05-30 Roger Sayle <roger@eyesopen.com>
3339 PR tree-optimization/23452
3340 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3341 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3342 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3343 complex values and with -ffast-math for FP complex values.
3345 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3347 * c-common.h: Remove the prototype for yyparse.
3348 * rtl.h: Remove the prototype for init_loop.
3350 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3352 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3355 2006-05-30 Roger Sayle <roger@eyesopen.com>
3357 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3359 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3360 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3362 2006-05-30 Dirk Mueller <dmueller@suse.de>
3365 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3366 for CONSTANT_CLASS_P expresisons.
3368 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3371 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3373 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3375 PR tree-optimization/27779
3376 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3377 initial_condition instead of CHREC_LEFT.
3379 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3381 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3382 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3383 Make prototypes ISO C90.
3385 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3386 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3388 * see.c (see_analyze_one_def): Correct check.
3389 (see_get_extension_data): Check if extension is parallel.
3390 (see_get_extension_reg): Likewise.
3392 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3395 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3396 into register for (code == GTU).
3398 2006-05-29 Roger Sayle <roger@eyesopen.com>
3400 PR tree-optimization/24964
3401 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3402 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3403 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3404 abs(x)*abs(x) as x*x for scalar floating point modes.
3406 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3409 * lambda-code.c (perfect_nestify): Don't copy statements
3410 in the inner loop: move them to the inner loop header.
3412 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3415 * c-tree.texi: Document OpenMP directives and clauses.
3417 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3419 * varasm.c (globalize_decl): Fix indentation.
3421 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3424 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3425 pass_fre, pass_store_ccp, pass_copy_prop,
3426 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3427 pass_return_slot, pass_object_size, pass_lim,
3428 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3429 pass_loop_prefetch and pass_stdarg.
3431 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3433 * config/bfin/bfin.opt (mfdpic): New option.
3434 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3435 (EXTRA_MULTILIB_PARTS): Likewise.
3436 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3437 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3439 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3440 (CRT_CALL_STATIC_FUNCTION): New.
3441 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3443 (CRT_CALL_STATIC_FUNCTION): New.
3444 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3446 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3447 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3448 (initialize_trampoline): Changed to handle FD-PIC code generation.
3449 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3450 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3451 (override_options): Disallow -mid-shared-library -mfdpic combination.
3452 Can't do unaligned ops if FD-PIC.
3453 Turn off flag_pic if trying to generate non-id-shared-library
3454 non-fdpic code, since it's not supported.
3455 (bfin_assemble_integer): New function.
3456 (TARGET_ASM_INTEGER): Define.
3457 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3459 * config/bfin/crtn.s: Restore them.
3460 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3462 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3463 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3464 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3465 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3466 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3468 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3469 FDPIC_REGS and FDPIC_FPTR_REGS.
3470 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3471 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3472 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3473 (load_funcdescsi): New pattern.
3474 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3475 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3476 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3478 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3480 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3483 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3485 * tree-flow.h: Remove the prototype for add_type_alias.
3486 * tree-ssa-alias.c (add_type_alias): Remove.
3488 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3490 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3491 config/fr30/fr30.md, config/i386/i386-interix.h,
3492 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3493 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3494 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3495 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3496 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3497 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3498 Follow spelling conventions.
3499 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3500 Follow spelling conventions.
3502 2006-05-27 Richard Guenther <rguenther@suse.de>
3505 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3506 to produce a constant of value 1 of generic type.
3508 2006-05-27 Dirk Mueller <dmueller@suse.de>
3510 * cgraphunit.c (decide_is_function_needed): Fix wrong
3513 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3515 PR rtl-optimization/27661
3516 * reload.c (find_reloads): When reloading a VOIDmode constant
3517 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3518 use Pmode as mode of the reload register.
3520 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3522 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3523 is enabled at -O and above.
3525 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3528 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3531 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3534 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3535 for anonymous variables explicitly declared by front ends.
3537 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3539 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3540 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3541 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3542 ref-all pointers, run a finalization pass for them.
3543 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3544 (finalize_ref_all_pointers): New function.
3545 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3546 regular pointer type to a ref-all pointer type.
3547 (get_tmt_for): Return the special memory tag for ref-all pointers.
3549 2006-05-25 Richard Guenther <rguenther@suse.de>
3552 * fold-const.c (fold_binary): Do not look at the stripped
3553 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3555 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3557 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3558 for LT and GT if the computed range is effectively empty.
3560 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3563 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3564 mips_quad_format formats instead of ieee_single_format,
3565 ieee_double_format and ieee_quad_format formats, respectively.
3567 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3569 PR tree-optimization/27639
3570 PR tree-optimization/26719
3571 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3572 call to scev_probably_wraps_p.
3573 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3574 used_in_pointer_arithmetic_p, convert_step): Removed.
3575 (nowrap_type_p): New function.
3576 (scev_probably_wraps_p): Rewritten.
3577 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3578 chrec_convert if chrec_convert_aggressive might have been used.
3579 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3580 scev_direction): New functions.
3581 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3582 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3583 instead of convert_step.
3584 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3585 (convert_step): Declaration removed.
3586 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3588 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3590 * df-core.c: Added to header comments.
3591 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3592 df_ur_bb_info, df_urec_bb_info): Added comments.
3593 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3594 urec, ri problems): Fixed header comments.
3595 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3596 code from df_rd_transfer_function.
3598 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3600 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3601 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3602 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3604 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3606 * expr.c (undefined_operand_subword_p): New.
3607 (emit_move_multi_word): Do not generate move from undefined bits
3608 of a paradoxical subreg.
3610 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3612 PR rtl-optimization/27736
3613 * combine.c (replaced_rhs_value): New variable.
3614 (combine_instructions): Set it.
3615 (distribute_notes): When distributing a note in replaced_rhs_insn,
3616 check whether the value was used in replaced_rhs_value.
3618 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3621 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3622 add_referenced_var instead of add_referenced_tmp_var.
3623 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3624 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3626 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3627 tree_optimize_tail_calls_1): Use add_referenced_var.
3628 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3629 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3630 Use add_referenced_var.
3631 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3632 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3633 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3634 Use add_referenced_var.
3635 * tree-dfa.c (struct walk_state): Remove.
3636 (find_referenced_vars): Remove walk state and vars_found hash table.
3637 (make_rename_temp): Use add_referenced_var.
3638 (find_vars_r): Pass less parameters to add_referenced_var.
3639 (referenced_var_p): New. Is var in referenced_var hash table.
3640 (referenced_var_insert): Assert var isn't already in hash table.
3641 (add_referenced_var): Don't need walk_state parameter. Add var if it
3642 isn't already in the hash table.
3643 (add_referenced_tmp_var): Remove.
3644 (find_new_referenced_vars_1): Use add_referenced_var.
3645 * tree-ssa-pre.c (create_expression_by_pieces,
3646 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3647 Use add_referenced_var.
3648 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3649 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3650 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3652 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3653 vect_create_data_ref_ptr, vect_create_destination_var,
3654 vect_init_vector, vect_build_loop_niters,
3655 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3656 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3657 Use add_referenced_var.
3658 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3659 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3660 (add_referenced_var): Add prototype.
3661 * tree-ssa-structalias.c (get_constraint_for,
3662 intra_create_variable_infos): Use add_referenced_var.
3664 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3666 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3667 big-endian paradoxical subregs.
3668 * var-tracking.c (struct micro_operation_def): Document that,
3669 for modify micro operations, insn is the subsequent instruction.
3670 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3671 (var_reg_set, var_mem_set): ... new functions.
3672 (add_stores): Record subsequent insn.
3673 (compute_bb_dataflow): Use new functions for MO_USE.
3674 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3675 notes after the insn, and modify notes before the insn known
3676 to be the subsequent one.
3677 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3679 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3682 * config/i386/i386.c (ix86_expand_builtin): Use
3683 gen_sse3_monitor64 for TARGET_64BIT.
3685 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3687 PR rtl-optimization/26375
3688 PR rtl-optimization/26855
3689 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3691 (df_ru_bb_local_compute): Reversed statements and removed bogus
3692 comment explaining why they should be in wrong order.
3693 (df_ru_dump, df_rd_dump): Enhanced debug info.
3694 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3696 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3697 reaching uses and fixed space problem.
3699 2006-05-23 Jan Hubicka <jh@suse.cz>
3701 * cgraphunit.c (decide_is_function_needed): Also nested functions
3702 and functions declared inline can be optimized out at -O0.
3704 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3706 * doc/install.texi (Configuration): Remove reference to CrossGCC
3710 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3713 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3714 ix86_compare_emitted is non-NULL.
3716 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3719 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3722 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3724 PR rtl-optimization/25514
3725 * combine.c (replaced_rhs_insn): New variable.
3726 (combine_instructions): Set replaced_rhs_insn when trying to replace
3727 a SET_SRC with a REG_EQUAL note.
3728 (distribute_notes): Use replaced_rhs_insn when determining the live
3729 range of a REG_DEAD register.
3731 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3732 Anatoly Sokolov <aesok@post.ru>
3734 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3735 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3736 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3737 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3738 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3739 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3740 at90usb647, at90usb1286 and at90usb1287 devices.
3741 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3742 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3744 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3746 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3748 2006-05-22 Richard Guenther <rguenther@suse.de>
3751 2006-01-31 Richard Guenther <rguenther@suse.de>
3752 Paolo Bonzini <bonzini@gnu.org>
3754 * doc/install.texi (--disable-libgcc-math): Document.
3756 2006-05-22 Richard Guenther <rguenther@suse.de>
3759 2006-01-31 Richard Guenther <rguenther@suse.de>
3761 * doc/invoke.texi (-msselibm): Document.
3762 * target.h (expand_library_builtin): New target hook.
3763 * builtins.c (expand_builtin): Use expand_library_builtin.
3764 (default_expand_library_builtin): New function.
3765 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3766 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3767 (link_gcc_math_spec): Declare.
3768 (static_specs): Add link_gcc_math_spec.
3769 * expr.h (default_expand_library_builtin): Declare.
3770 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3771 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3772 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3773 * config/i386/i386.opt (msselibm): New target option.
3774 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3775 (ix86_init_sse_abi_builtins): New function.
3776 (ix86_expand_library_builtin): Likewise.
3777 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3778 (override_options): Handle error conditions wrt -msselibm.
3779 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3780 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3781 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3784 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3787 * c-common.c (self_promoting_args_p): Skip erroneous args.
3790 * c-decl.c (finish_struct): Skip erroneous fields.
3792 2006-05-22 Nick Clifton <nickc@redhat.com>
3794 * config/cris/cris.opt (march): Remove VarExists attribute.
3795 (max-stackframe=): Likewise.
3797 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3799 * doc/rtl.texi: Fix a typo.
3800 * see.c: Fix comment typos.
3802 * tree-ssa-structalias.h (alias_info): Remove num_references.
3804 2006-05-21 Mike Stump <mrs@apple.com>
3806 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3808 (darwin_pragma_options): Use BAD instead.
3809 (darwin_pragma_unused): Likewise.
3810 (darwin_pragma_ms_struct): Likewise.
3812 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3814 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3816 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3818 PR rtl-optimization/27671
3819 * simplify-rtx.c (simplify_relational_operation_1): Fix
3820 simplifications of (eq/ne (xor x y) y) and
3821 (eq/ne (xor x y) x).
3823 PR tree-optimization/26622.
3824 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3827 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3829 * tree-cfg.c: Prune whitespace.
3830 (debug_tree_cfg): Point to correct header containing the
3833 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3836 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3838 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3841 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3842 or sorry count is non zero.
3844 2006-05-20 Andreas Schwab <schwab@suse.de>
3846 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3848 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3849 Kenneth Zadeck <zadeck@naturalbridge.com>
3851 PR rtl-optimization/26855
3853 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3855 (df_scan_alloc): Added code to properly handle multiword hard
3856 registers and add all_blocks parameter.
3857 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3858 code to properly handle multiword hard registers.
3859 (df_rescan_blocks): Added code to remove deleted blocks from
3861 (df_ref_create_structure, df_ref_record): Added code to properly
3863 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3864 and set DF_REF_PARTIAL.
3865 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3866 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3867 (df_scan_add_problem): Added flags parameter.
3868 (df_ref_create_structure): Changed switching structure.
3869 (df_bb_refs_record): Fixed case where duplicate artificial refs
3870 were created. Changed location of flags.
3871 (df_record_entry_block_defs): Added code to make stack pointer
3872 live in entry block. Refined cases where frame pointer is needed.
3873 Changed location of flags.
3874 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3875 (df_set_state): Removed function.
3876 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3877 df_insn_create_insn_record, df_insn_refs_delete,
3878 df_ref_create_structure): Formatting changes.
3879 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3880 df_delete_basic_block): New function.
3881 (df_init): Changed location of flags.
3882 (df_add_problem): Added flags parameter and the way flags are
3884 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3885 debug_df_chain): Improved debugging output.
3886 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3887 (df_refs_chain_dump): Removed df parameter.
3888 (df_iterative_dataflow): Added consistency check.
3889 (df_prune_to_subcfg): Made public.
3890 (df_analyze_problem): Added blocks_to_init parameter and made
3892 (df_ref_record, df_bb_refs_record, df_mark_reg,
3893 df_record_exit_block_uses): Whitespace changes.
3894 (df_dump): Whitespace changes.
3895 * df.h: Some reordering to remove forward references.
3896 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3897 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3898 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3899 (dataflow.flags): New field.
3900 (df.flag): Deleted field.
3901 (df_alloc_function): Added additional bitmap parameter.
3902 (df_dependent_problem_function): New type.
3903 (df_problem.changeable_flags): New field.
3904 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3905 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3906 (df_mw_hardreg): New struct.
3907 (DF_INSN_UID_MWS): New macro.
3908 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3910 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3911 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3912 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3913 (df_set_state): Removed function.
3914 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3915 * df-problems.c (df_chain_dump): Removed df parameter.
3916 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3917 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3919 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3920 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3921 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3922 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3923 DF_REF_MUST_CLOBBER cases.
3924 (df_ru_bb_local_compute_process_def,
3925 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3926 df_lr_bb_local_compute, df_ur_bb_local_compute,
3927 df_chain_create_bb): Made subreg aware.
3928 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3929 df_lr_bb_local_compute, df_lr_bb_local_compute,
3930 df_chain_create_bb): Cleanup to use proper macros.
3931 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3932 code to fixup bitvectors.
3933 (df_ri_alloc): Cleared lifetime.
3934 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3935 df_create_unused_note): New function.
3936 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3937 REG_DEAD and REG_UNUSED notes as well as register information.
3938 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3939 df_chains_dump): Fixed crash if problem was never run.
3940 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3941 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3942 df_ri_add_problem): Processes flags in uniform manner.
3943 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3944 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3945 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3946 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3947 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3948 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3949 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3950 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3951 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3952 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3953 * see.c (see_initialize_data): Ditto.
3954 * final.c (rest_of_clean_state) Added regstack_completed.
3955 * rtl.h (regstack_completed): Ditto.
3956 * reg-stack.c (regstack_completed): Ditto.
3958 2006-05-19 Mike Stump <mrs@apple.com>
3960 * c-tree.h (default_conversion): Remove.
3961 * c-common.h (default_conversion): Add.
3963 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3965 * tree-vrp.c (valid_value_p): New function.
3966 (adjust_range_with_scev): Fail if the value of bound is not
3969 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3971 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3972 (mips_fallback_frame_state): Use syscall numbers to determine
3973 the appropriate li instruction for the current ABI. Only use
3974 __NR_sigreturn for o32.
3976 2006-05-19 Nicolas Setton <setton@adacore.com>
3978 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3979 * langhooks.c (lhd_dwarf_name): New function.
3980 * langhooks-def.h (lhd_dwarf_name): Declare.
3981 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3982 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3983 * ada/misc.c (gnat_dwarf_name): New function.
3984 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3986 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3988 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3990 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3991 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3992 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3993 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3994 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3995 determine the size of Wtype, etc.
3996 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3997 (swfloatfuncs): New variable.
3998 (dwfloatfuncs): Likewise.
3999 (lib2funcs): Remove floating-point conversion functions from
4000 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4001 the set of conversion routines needed. Allow entries to specify
4002 an object name, filename and word size. Update users accordingly.
4003 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4004 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4008 2006-02-08 Roger Sayle <roger@eyesopen.com>
4011 * config/fixtfdi.c: New libgcc source file.
4012 * config/fixunstfdi.c: New source file.
4013 * config/floatditf.c: New source file.
4014 * config/floatunditf.c: New souce file.
4015 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4016 files above instead of config/mips/_tilib.c.
4017 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4019 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4021 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4022 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4024 2006-05-18 Mike Stump <mrs@apple.com>
4026 Fix up vla, vm and [*] sematics.
4032 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4033 (c_vla_unspec_p): Add.
4034 (c_vla_type_p): Add.
4035 * c-decl.c (struct c_scope): Add had_vla_unspec.
4036 (build_array_declarator): Add support for [*].
4037 (grokdeclarator): Likewise.
4038 (grokparms): Likewise.
4039 (get_parm_info): Likewise.
4040 * c-objc-common.c (c_vla_unspec_p): Likewise.
4041 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4042 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4043 typeof when argument is a variably modified type not inside sizeof or alignof.
4044 (c_parser_direct_declarator_inner): Propagate errors.
4045 (c_parser_sizeof_expression): Add support for [*].
4046 (c_parser_parms_declarator): Initialize had_vla_unspec.
4047 (c_parser_parms_list_declarator): Likewise.
4048 * c-typeck.c (c_vla_type_p): Add.
4049 (composite_type): Add support for vla compositing.
4050 (comptypes_internal): Add support for vla compatibility.
4051 (c_expr_sizeof_expr): Evaluate vla arguments.
4052 * tree.c (variably_modified_type_p): Update comment for [*].
4054 2006-05-18 Michael Matz <matz@suse.de>
4057 * config.host: Make assignments to host_xmake_file cumulative.
4058 * config.host (*-darwin*): Test $host, not $target.
4060 2006-05-12 Stuart Hastings <stuart@apple.com>
4062 * config/i386/i386.opt (-mstackrealign): New flag.
4063 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4064 (ix86_handle_cconv_attribute): Emit error when
4065 force_align_arg_pointer attribute collides with too many regparms.
4066 (ix86_function_regparm): Limit regparms when used with
4067 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4068 Support stack-realigning prologue in non-main functions. Emit
4069 warning for nested functions under -mstackrealign, emit error for
4070 nested functions with force_align_arg_pointer attribute.
4071 * doc/extend.texi (force_align_arg_pointer): Document it.
4072 * doc/invoke.texi (-mstackrealign): Document it.
4074 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4076 PR rtl-optimization/27477
4077 * combine.c (try_combine): Don't split a parallel consisting
4078 of two sets into two individual sets if both sets reference
4081 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4083 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4084 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4086 * doc/options.texi (VarExists): Updated.
4088 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4090 * unwind-dw2.c: Add declarations for uw_update_context and
4092 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4093 detected, advance frame state and context once to skip over stub.
4095 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4099 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4100 Call rewrite_into_loop_closed_ssa only when something changed.
4101 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4102 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4103 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4104 Test for perfect_nest_p here. Fix formating.
4105 (replace_uses_equiv_to_x_with_y): Fix formating.
4106 (stmt_uses_op): Removed.
4107 (can_convert_to_perfect_nest): Removed loopivs parameter.
4108 Complete the test by checking the scalar dependences.
4109 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4112 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4115 From Dan Kegel <dank@kegel.com>:
4116 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4118 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4120 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4121 if the element type is variably modified without recursing.
4123 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4126 * tree-loop-linear.c (try_interchange_loops): Test for
4127 no data dependences.
4129 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4131 PR tree-optimization/27548
4132 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4133 range of ssa names that appear on abnormal edges.
4134 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4135 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4137 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4140 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4142 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4145 * tree.h (OMP_PARALLEL_COMBINED): Define.
4146 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4147 (new_omp_context): Add is_combined_parallel argument.
4148 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4149 new_omp_context caller.
4150 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4151 Adjust gimplify_scan_omp_clauses callers.
4152 (omp_is_private): Issue errors if iteration variable is firstprivate
4153 or reduction in the current context.
4154 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4155 on combined parallel workshare constructs.
4157 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4159 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4160 (gcc-options.o): New rule.
4162 * optc-gen.awk: Protect variables for gcc-options.o with
4163 #ifdef GCC_DRIVER/#endif.
4165 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4167 Fix PR tree-optimization/27373
4168 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4169 (forward_propagate_addr_expr): Update call.
4171 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4173 * doc/options.texi: Move the Negative option.
4175 2006-05-16 Richard Guenther <rguenther@suse.de>
4177 PR tree-optimization/22303
4178 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4180 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4181 ccp_fold did not simplify the statement.
4183 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4186 * Makefile.in (GCC_OBJS): New.
4187 (OBJS-common): Add opts-common.o.
4188 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4189 (cpp$(exeext)): Likewise.
4190 (gcc.o): Also depend on opts.h.
4191 (opts-common.o): New.
4193 * common.opt (gcoff): Add Negative(gdwarf-2).
4194 (gdwarf-2): Add Negative(gstabs).
4195 (gstabs): Add Negative(gstabs+).
4196 (gstabs+): Add Negative(gvms).
4197 (gvms): Add Negative(gxcoff).
4198 (gxcoff): Add Negative(gxcoff+).
4199 (gxcoff+): Add Negative(gcoff).
4200 * config/i386/i386.opt (m32): Add Negative(m64).
4201 (m64): Add Negative(m32).
4203 * doc/options.texi: Document the Negative option.
4205 * gcc.c: Include "opts.h".
4206 (main): Call prune_options after expandargv.
4208 * optc-gen.awk: Generate common declarations for all flag
4209 variables in options.c. Output the neg_index field.
4211 * opts.c (find_opt): Moved to ...
4212 * opts-common.c: Here. New file.
4214 * opts.h (cl_option): Add a neg_index field.
4216 (prune_options): Likewise.
4218 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4221 * omp-low.c (expand_omp_parallel): Don't assert
4222 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4223 instead search for it.
4226 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4229 2006-05-16 Andreas Schwab <schwab@suse.de>
4231 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4234 2006-05-15 Roger Sayle <roger@eyesopen.com>
4237 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4238 integer constants other than zero are only legitimate on TARGET_64BIT.
4239 <CONST_VECTOR> Only zero vectors are legitimate.
4240 (ix86_cannot_force_const_mem): Integral and vector constants can
4241 always be put in the constant pool.
4243 2006-05-16 DJ Delorie <dj@redhat.com>
4245 * crtstuff.c (__dso_handle): Set section from
4246 TARGET_LBIGCC_SDATA_SECTION if defined.
4247 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4248 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4250 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4253 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4256 2006-05-16 Ben Elliston <bje@au.ibm.com>
4258 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4260 2006-05-15 Per Bothner <per@bothner.com>
4262 * tree.c: (last_annotated_node): Use source_locus typedef.
4263 This permits bootstrapping with --enable-mapped-location.
4265 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4267 PR tree-optimization/26830
4268 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4269 (info_for_ssa_name, current_info_for_ssa_name_age,
4270 blocks_to_update): New variables.
4271 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4272 (clear_ssa_name_info, initialize_flags_in_bb,
4273 mark_block_for_update): New functions.
4274 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4275 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4276 prepare_def_site_for): Use mark_block_for_update.
4277 (mark_def_interesting): Assert that the processed block is marked in
4278 blocks_to_update. Do not take blocks argument.
4279 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4281 (rewrite_update_init_block, rewrite_update_stmt): Only process
4282 blocks with statements to rewrite.
4283 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4284 (update_ssa): Initialize and free blocks_to_update. Do not
4285 clear flags on statements. Do not use blocks bitmap.
4286 * tree.h (SSA_NAME_AUX): Removed.
4287 (struct tree_ssa_name): Removed aux field.
4288 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4290 2006-05-15 Richard Guenther <rguenther@suse.de>
4292 PR tree-optimization/27603
4293 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4294 Do computations in original type.
4296 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4298 * see.c: Code style changes such as redundant paranthesis,
4299 redundant intialization of local variables etc.
4300 (see_main): Declared now as static.
4301 * doc/invoke.texi: Update that -fsee is not enabled by
4304 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4306 * omp-low.c (check_omp_nesting_restrictions): New function.
4307 (scan_omp_1): Call it.
4310 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4311 construct, return *VAR.
4313 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4315 PR rtl-optimization/27406
4316 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4319 2006-05-14 Roger Sayle <roger@eyesopen.com>
4321 PR rtl-optimization/27538
4322 * combine.c (expand_compound_operation): Call gen_lowpart
4323 before calling simplify_shift_const.
4325 2006-05-14 Roger Sayle <roger@eyesopen.com>
4327 PR rtl-optimization/22563
4328 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4329 a fixed width bitfield, always force the intermediates into psuedos.
4331 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4334 * mkconfig.sh: Use operator = instead of == for test.
4336 2006-05-13 Nick Clifton <nickc@redhat.com>
4338 * dwarf2out.c (dbx_reg_number): Check return value from
4339 LEAF_REG_REMAP and only use it if it is valid.
4340 (multiple_reg_loc_descriptor): Likewise.
4342 2006-05-13 Richard Guenther <rguenther@suse.de>
4344 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4347 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4349 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4350 information attached to non-INSNs such as NOTEs.
4351 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4353 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4355 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4357 * config/s390/s390.md: Adjust comment describing On constraint.
4359 2006-05-11 Jan Hubicka <jh@suse.cz>
4361 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4362 to be output at -O0.
4364 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4367 * fold-const.c (size_binop): Move sanity check for arguments to
4368 the beginning of the function.
4371 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4374 2006-05-11 Richard Guenther <rguenther@suse.de>
4377 * fold-const.c (fold_unary): Handle intermediate conversion
4378 to a pointer type like intermediate conversion to an integer
4379 type in folding of (T1)(T2)var to var.
4380 Match the code to the comment in the final conversion for
4381 (T1)(T2)var to (T1)var regarding to type precision. Rather
4382 than disallow T1 being of pointer type, assert that both T1
4383 and var are of pointer type or not. Make sure not to fall
4384 over the frontends lazyness wrt array to pointer decay though.
4386 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4388 * arm.c (arm_struct_value_rtx): Delete.
4389 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4390 (arm_init_cumulative_args): Always initialize nregs to zero.
4392 2006-05-10 Richard Guenther <rguenther@suse.de>
4394 PR tree-optimization/27532
4395 * tree-object-size.c (plus_expr_object_size): Fix typo.
4397 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4400 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4401 ashrdi_const, ashrdi3): Use a scratch register.
4403 2006-05-10 Richard Guenther <rguenther@suse.de>
4405 PR tree-optimization/27302
4406 * fold-const.c (operand_equal_p): For two comparisons,
4407 try comparison of one comparison code swapped if that yields
4410 2006-05-10 Ben Elliston <bje@au.ibm.com>
4412 * tree-pretty-print.c (pretty_print_string): No need to handle
4413 '\0' as a special character.
4415 * tree.h: Include "hashtab.h".
4416 (iterative_hash_expr): Use hashval_t in its prototype.
4417 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4419 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4422 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4423 (hppa*64*-*-hpux11*): Ditto.
4424 (hppa[12]*-*-hpux11*): Ditto.
4426 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4429 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4431 2006-05-09 Michael Matz <matz@suse.de>
4433 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4434 host_extra_gcc_objs and host_xmake_file.
4435 (<*-*-linux*>): Don't overwrite host_xmake_file.
4436 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4437 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4438 (host_detect_local_cpu): Declare.
4439 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4440 * config/i386/i386.c (override_options): Handle -mtune=native
4442 * config/i386/x-i386: New file.
4443 * config/i386/driver-i386.c: New file.
4444 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4447 2006-05-09 Dirk Mueller <dmueller@suse.de>
4448 Richard Guenther <rguenther@suse.de>
4451 * fold-const.c (fold_read_from_constant_string): Relax check
4452 for matching types to matching modes.
4454 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4456 PR rtl-optimization/27335
4457 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4460 2006-05-08 Chao-ying Fu <fu@mips.com>
4461 Richard Sandiford <richard@codesourcery.com>
4463 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4464 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4465 * config/mips/mips.md (UNSPEC_SCC): New constant.
4466 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4467 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4468 (mips_emit_compare): Use it.
4469 (mips_expand_vcondv2sf): New function.
4471 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4473 Fix PR tree-optimization/27093
4474 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4475 renaming when they become not-used_alone.
4477 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4479 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4480 relocation and relocation stubs.
4482 2006-05-08 Eric Christopher <echristo@apple.com>
4484 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4487 2006-05-08 Jan Hubicka <jh@suse.cz>
4490 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4491 unused static functions are needed.
4493 2006-05-08 Roger Sayle <roger@eyesopen.com>
4496 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4497 of a reg_equiv_constant if the result is a legitimate constant.
4499 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4502 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4503 standard 80387 constants, raise the cost to prevent
4504 compress_float_constant() to generate load from memory.
4506 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4508 * config/arm/constraints.md (c): Fix a typo.
4510 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4513 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4516 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4518 (_mm_mwait): Likewise.
4520 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4522 (sse3_monitor): Make it 32bit only.
4523 (sse3_monitor64): New. 64bit monitor.
4525 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4528 * config/i386/i386.c (classify_argument): Skip fields with invalid
4531 2006-05-07 Richard Guenther <rguenther@suse.de>
4533 PR tree-optimization/27409
4534 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4535 Do not try to find zero-sized subvars.
4537 2006-05-07 Richard Guenther <rguenther@suse.de>
4539 PR tree-optimization/27136
4540 * tree-ssa-loop-niter.c (get_val_for): Correct function
4541 comment, assert requirements.
4542 (loop_niter_by_eval): Stop processing if the iterated
4543 value did not simplify.
4545 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4547 * opts.c (flag_see): remove its setting at -O3.
4549 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4551 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4552 * arm/constraints.md: New file.
4553 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4554 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4555 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4556 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4557 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4558 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4559 * arm.md: Include constraints.md.
4560 (thumb_movsi_insn): Use satisfies_constraint_J.
4561 (movhi, movqi): Use satisfies_constraint_I.
4563 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4565 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4566 for atmeg a645 device.
4568 2006-05-06 Richard Guenther <rguenther@suse.de>
4570 PR tree-optimization/27151
4571 * tree-vect-transform.c (vectorizable_condition): Punt on
4572 values that have a different type than the condition.
4574 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4577 * c-parser.c (c_parser_cast_expression): Only insert casts into
4578 hash table if pointer.
4579 * function.c (used_types_insert_helper): Rename from
4581 (used_types_insert): Call used_types_insert_helper.
4582 * function.h (used_types_insert): Accept only one argument.
4584 2006-05-05 David Edelsohn <edesohn@gnu.org>
4586 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4587 scratch with output modifier.
4589 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4592 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4593 with output modifier.
4595 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4598 * config/mips/mips.c (mips_symbolic_address_p): Return true
4599 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4600 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4602 2006-05-04 Richard Guenther <rguenther@suse.de>
4604 PR tree-optimization/14287
4605 PR tree-optimization/14844
4606 PR tree-optimization/19792
4607 PR tree-optimization/21608
4608 PR tree-optimization/27090
4609 * tree-ssa-pre.c (try_combine_conversion): New function.
4610 (compute_avail): After constructing the value-handle
4611 expression, use try_combine_conversion to combine NOP_EXPRs
4612 with previous value-handle expressions and use the result if it
4615 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4617 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4619 2006-05-04 Jan Hubicka <jh@suse.cz>
4622 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4624 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4626 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4627 that this only matches CONST_INTs. All users changed to VOIDmode
4630 * config/bfin/bfin.c: Include "optabs.h".
4631 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4633 (enum bfin_builtins): Add a number of fractional and vector builtins.
4634 (bfin_init_builtins): Likewise.
4635 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4636 (safe_vector_operand, bfin_expand_binop_builtin,
4637 bfin_expand_unop_builtin): New functions.
4638 (bfin_expand_builtin): Handle the new builtins.
4639 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4642 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4645 * Makefile.in (OBJS-common): Add see.o.
4646 (see.o): Add dependencies.
4647 * common.opt (fsee): New flag for the see optimization was added.
4648 * opts.c (flag_see): Initialized.
4649 * passes.c (init_optimization_passes, pass_see): New pass.
4650 * rtl.h (see_main): Declaration as extern.
4651 * timevar.def (TV_SEE): New.
4652 * tree-pass.h (pass_see): Declaration as extern.
4653 * invoke.texi (-fsee): Document.
4654 * recog.c (validate_simplify_insn): New function.
4655 * recog.h (validate_simplify_insn): Declaration as extern.
4656 * df-problems.c (df_chain_dump): Check for NULL.
4658 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4659 Daniel Berlin <dberlin@dberlin.org>
4661 * cfgrtl.c (insert_insn_bb_end_new): New function.
4662 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4664 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4666 * df.h (struct web_entry): Moved from web.c.
4667 (union_defs): Declaration as extern.
4668 (unionfind_root): Likewise.
4669 (unionfind_union): Likewise.
4670 * web.c (struct web_entry): Moved to df.h.
4671 (unionfind_root): Remove static declaration.
4672 (unionfind_union): Likewise.
4673 (union_defs): Likewise and generalize to use callback function.
4674 (web_main): Update arguments for union_defs function call.
4676 2006-05-04 Richard Guenther <rguenther@suse.de>
4678 PR tree-optimization/26447
4679 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4680 produce SSA_NAME copies before the store stmt to avoid
4681 breaking exception handling.
4683 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4686 * gimplify.c (omp_is_private): If var is shared in some outer context,
4687 return false instead of true. Stop searching on parallel context
4690 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4693 * coverage.c: Use get_gcov_unsigned_t() instead of
4694 unsigned_type_node all over.
4696 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4698 PR tree-optimization/27381
4699 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4700 maintain the same immediate_use links.
4701 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4702 node rather than segfaulting.
4704 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4707 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4708 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4709 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4711 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4713 Fix PR tree-optimization/26626
4714 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4716 * tree-ssa-operands.c (access_can_touch_variable): Allow
4717 typecasting through union pointers.
4719 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4722 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4723 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4724 to find if var will be a global variable even in the nested context.
4725 (omp_copy_decl): Only check for global variable at the end, it might
4726 be overridden in outer contexts.
4727 (scan_sharing_clauses): For global variables don't create a field.
4728 (lower_rec_input_clauses): Do nothing for global shared variables.
4729 Emit a barrier at the end of ILIST if there were any decls in both
4730 firstprivate and lastprivate clauses.
4731 (lower_send_clauses): Do nothing for global variables except for
4734 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4736 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4737 of the correct signedness is returned.
4739 2006-05-02 Jeff Law <law@redhat.com>
4741 PR tree-optimization/27364
4742 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4743 multiply expressions.
4745 2006-05-02 Tom Tromey <tromey@redhat.com>
4747 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4749 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4752 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4753 -mthumb -fPIC are used.
4755 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4756 Joshua Kinard <kumba@gentoo.org>
4759 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4760 with 64-bit pointers.
4762 2006-05-02 Paul Brook <paul@codesourcery.com>
4764 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4766 (create_fix_barrier): Check that a suitable barrier location is
4768 (arm_reorg): Include ftmp->address in allowable range of addresses.
4770 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4773 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4776 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4779 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4780 around RESULT_DECL for result passed by reference.
4781 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4782 * omp-low.c (use_pointer_for_field): Don't look at
4783 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4784 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4785 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4786 time or var for passing by reference for
4787 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4788 TREE_ADDRESSABLE variables when passing by reference.
4790 * omp-low.c (dump_omp_region): Fix output formatting.
4793 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4794 (expand_omp_parallel): Likewise.
4795 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4798 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4799 on statement list containing also constructors and destructors.
4800 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4803 * except.c (duplicate_eh_regions): Fix clearing of
4804 cfun->eh->region_array entries.
4806 2006-05-01 DJ Delorie <dj@redhat.com>
4808 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4810 (gcc_cv_objdump): Likewise.
4811 * configure: Regenerated.
4813 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4816 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4817 templates for case 3 and 4.
4819 2006-05-01 DJ Delorie <dj@redhat.com>
4821 * vec.c: Include bconfig.h when appropriate.
4822 * Makefile.in (build/vec.o): Adjust dependencies.
4823 * mkconfig.sh: Make sure config.h isn't used for build machine
4826 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4828 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4830 (mark_phi_for_rewrite): New function.
4831 (insert_phi_nodes_for, mark_use_interesting): Call
4832 mark_phi_for_rewrite.
4833 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4834 (update_ssa): Initialize and free phis_to_rewrite.
4836 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4838 PR rtl-optimization/27291
4839 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4840 folded to a constant.
4842 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4844 PR tree-optimization/27283
4845 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4846 not whole # of iteration descriptions.
4847 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4848 uses abnormal ssa name.
4849 (niter_for_single_dom_exit): Ditto.
4850 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4851 return just the number of iterations.
4853 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4855 PR tree-optimization/27144
4856 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4857 (record_estimate): Only record constant upper bound.
4858 (infer_loop_bounds_from_undefined): Call
4859 compute_estimated_nb_iterations just once.
4860 (proved_non_wrapping_p): Renamed to ...
4861 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4862 (convert_step_widening, scev_probably_wraps_p): Call
4863 n_of_executions_at_most instead of proved_non_wrapping_p.
4864 (substitute_in_loop_info): Do not replace values in bounds.
4865 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4868 2006-05-01 Richard Henderson <rth@redhat.com>
4871 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4872 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4875 2006-05-01 Roger Sayle <roger@eyesopen.com>
4877 * c-typeck.c (parser_build_binary_op): Don't call the function
4878 unsigned_conversion_warning to spot operand/result type overflow.
4879 (build_binary_op): Instead, call convert_and_check instead of
4880 convert to report the problem when the operands are promoted.
4881 * c-common.c (unsigned_conversion_warning): Make static.
4882 * c-common.h (unsigned_conversion_warning): Delete prototype.
4884 2006-05-01 Richard Guenther <rguenther@suse.de>
4886 PR tree-optimization/26726
4887 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4889 (find_interesting_uses_address): ... we work around here
4890 by folding INDIRECT_REFs in the substituted base.
4892 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4894 * omp-low.c (dump_omp_region): Add newlines.
4896 2006-04-30 Roger Sayle <roger@eyesopen.com>
4898 * common.opt (Woverflow): New command line option.
4899 * c-common.c (constant_expression_warning): Check warn_overflow.
4900 (overflow_waring): Pass OPT_Woverflow to warning.
4901 (unsigned_conversion_warning): Likewise.
4902 (convert_and_check): Likewise.
4903 * doc/invoke.texi: Document new command line option.
4905 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4907 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4908 TARGET_NO_FP_IN_TOC for section anchors.
4909 (optimization_options): Enable section anchors for all
4910 non-"Objective" languages.
4912 2006-04-28 Eric Christopher <echristo@apple.com>
4914 * config/darwin-c.c (darwin_ms_struct): Move this
4915 (darwin_set_default_type_attributes): and this...
4916 * config/darwin.c: ... here.
4917 * config/darwin.h (darwin_ms_struct): Declare.
4919 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4921 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4923 2006-04-28 Roger Sayle <roger@eyesopen.com>
4926 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4927 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4928 an unsigned HOST_WIDE_INT.
4929 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4931 (really_start_incremental_init): No need to call convert because
4932 bitsize_zero_node is already of type bitsizetype.
4933 (push_init_level): Extract the value of constructor_index as an
4934 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4935 (process_init_element): Likewise.
4937 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4939 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4940 value before passing to make_relative_prefix.
4942 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4945 * builtins.c (expand_builtin_memset): Expand val in original mode.
4947 2006-04-27 Eric Christopher <echristo@apple.com>
4949 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4950 with #ifndef/#endif.
4951 * config/darwin-c.c (darwin_ms_struct): New.
4952 (darwin_pragma_ms_struct): Ditto.
4953 (darwin_set_default_type_attributes): Ditto.
4954 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4955 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4956 Register ms_struct pragma.
4957 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4958 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4959 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4960 darwin_set_default_type_attributes if TARGET_MACHO.
4962 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4964 PR tree-optimization/26854
4965 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4966 * doc/tree-ssa.texi: Update immuse iterator documentation.
4967 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4968 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4969 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4970 first_safe_imm_use, next_safe_imm_use): Remove.
4971 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4972 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4973 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4974 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4975 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4976 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4977 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4978 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4979 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4980 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4981 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4982 (perfect_nestify): Use new iterator.
4983 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4985 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4986 (next_imm_name): New field in struct immediate_use_iterator_d.
4987 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4988 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4989 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4990 * tree-cfg.c (replace_uses_by): Use new iterator.
4991 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4992 * tree-ssa-operands.c (correct_use_link): Remove.
4993 (finalize_ssa_use_ops): No longer call correct_use_link.
4995 2006-04-27 Stuart Hastings <stuart@apple.com>
4997 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4998 * config/t-darwin (crt3.o): Use it.
4999 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5000 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5001 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5002 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5003 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5006 2006-04-27 Roger Sayle <roger@eyesopen.com>
5008 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5009 size, force the intermediate into a new pseudo rather instead of
5010 performing both a bitwise AND and a bitwise IOR in memory.
5012 2006-04-27 Richard Guenther <rguenther@suse.de>
5014 PR rtl-optimization/26685
5015 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5016 this one "max-flow-memory-locations".
5018 2006-04-27 Richard Guenther <rguenther@suse.de>
5020 PR tree-optimization/25148
5021 * tree-vrp.c (compare_values): Remove code dealing with
5022 comparisons against type min/max value. Honour overflow
5023 and negative constants in code dealing with comparisons
5024 of plus and minus expressions.
5025 (value_inside_range): Use fold_binary with LE_EXPR and
5026 GE_EXPR rather than compare_values.
5028 2006-04-27 Dirk Mueller <dmueller@suse.de>
5030 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5033 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5035 * basic-block.h (safe_insert_insn_on_edge): Removed.
5036 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5038 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5039 Paolo Bonzini <bonzini@gnu.org>
5042 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5043 (simplify_and_const_int): Same.
5045 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5047 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5049 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5052 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5053 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5054 cgraph_global_info_ready.
5057 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5060 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5061 either decl or init is error_mark_node.
5064 * tree-flow.h (struct omp_region): Add sched_kind.
5065 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5066 instead of extracting omp for data.
5067 (expand_omp_for): Save extracted sched_kind.
5069 2006-04-25 Roger Sayle <roger@eyesopen.com>
5071 * expmed.c (store_bit_field): Also check whether the bitsize is
5072 valid for the machine's "insv" instruction before moving the
5073 target into a pseudo for use with the insv.
5074 * config/i386/predicates.md (const8_operand): New predicate.
5075 * config/i386/i386.md (extv, extzv, insv): Use the new
5076 const8_operand predicate where appropriate.
5078 2006-04-25 DJ Delorie <dj@redhat.com>
5080 * doc/install.texi (Specific): Clarify that this is not a list of
5081 supported hosts or targets.
5083 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5085 PR rtl-optimization/26725
5086 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5087 block's BB_DIRTY flag.
5089 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5091 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5094 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5095 to print an integer.
5097 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5099 * varasm.c (align_variable): New function.
5100 (get_block_for_decl): Apply align_variable to DECL before
5101 calculating section information.
5102 (assemble_variable): Split out alignment computation.
5104 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5106 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5109 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5111 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5112 MODE_PARTIAL_INT mode.
5113 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5114 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5116 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5117 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5119 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5121 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5123 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5124 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5125 MACFLAG_IH): Likewise.
5126 (movstricthi_1): Renamed from "*movstricthi".
5127 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5128 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5129 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5130 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5131 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5132 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5133 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5134 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5135 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5136 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5137 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5138 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5139 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5140 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5141 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5143 * doc/rtl.texi (ss_ashift): Improve wording.
5145 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5147 * dwarf2out.c (verify_marks_clear): New.
5148 (prune_unused_types): Call verify_marks_clear initially, not
5151 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5153 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5154 * doc/rtl.texi: Document them.
5155 * simplify-rtx.c (simplify_unary_operation,
5156 simplify_binary_operation_1): Don't abort when we see them.
5158 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5161 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5162 * configure.ac: Completely disregard languages that are not
5164 * configure: Regenerated.
5166 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5167 Richard Guenther <rguenther@suse.de>
5169 PR tree-optimization/27236
5170 * tree-inline.c (copy_body_r): Make sure to copy
5171 TREE_THIS_VOLATILE flag.
5173 2006-04-24 Richard Guenther <rguenther@suse.de>
5176 * tree-complex.c (update_parameter_components): Don't handle
5177 unused parameters which have no default def.
5179 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5180 Richard Guenther <rguenther@suse.de>
5182 PR tree-optimization/27218
5183 * tree-inline.c (expand_call_inline): Strip useless type
5184 conversions for the return slot address.
5186 2006-04-24 Richard Guenther <rguenther@suse.de>
5188 * cfgloop.h (struct loops): Remove unused field array. Reorder
5190 (LOOP_PREFETCH): Remove.
5192 2006-04-24 Richard Guenther <rguenther@suse.de>
5194 PR tree-optimization/22525
5195 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5196 variable, adjust types of generated expressions.
5198 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5200 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5201 (tree-vect-patterns.o): Likewise.
5203 (cselib.o): Likewise.
5204 (loop-doloop.o): Likewise.
5205 (regclass.o): Likewise.
5206 (reload1.o): Likewise.
5207 (explow.o): Replace target.h with $(TARGET_H).
5208 (ipa-prop.o): Likewise.
5209 (ipa-cp.o): Likewise.
5210 (ipa-inline.o): Likewise.
5211 (reorg.o): Likewise.
5212 (reg-stack.o): Likewise.
5214 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5216 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5218 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5220 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5222 * configure.ac: Completely disregard languages that are not
5224 * configure: Regenerated.
5227 * c-common.h (c_build_bitfield_integer_type): Declare.
5228 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5229 * c-common.c (c_build_bitfield_integer_type): ... here.
5231 2006-04-23 Roger Sayle <roger@eyesopen.com>
5234 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5235 a SImode SUBREG of a floating point register after no_new_pseudos.
5237 2006-04-23 Roger Sayle <roger@eyesopen.com>
5239 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5240 identify potentially eliminable registers to additionally catch
5241 VIRTUAL_INCOMING_ARGS_REGNUM.
5242 (addsi3): Update the conditions on when to use addsi_small_int.
5244 2006-04-23 Roger Sayle <roger@eyesopen.com>
5247 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5248 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5249 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5251 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5253 * fold-const.c (range_predecessor): Use operand_equal_p
5254 as the predicate for equality.
5255 (range_successor): Likewise.
5257 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5260 * config/soft-fp/op-common.h: Fix a typo.
5262 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5265 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5266 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5268 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5270 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5272 * doc/tm.texi: Fix a typo.
5274 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5276 * dwarf2out.c (struct die_struct): Document that die_sib makes
5277 a circular linked list.
5278 (FOR_EACH_CHILD): New.
5279 (reverse_die_lists): Delete.
5280 (reverse_all_dies): Delete.
5281 (add_dwarf_attr): Correct documentation.
5282 (remove_child_with_prev): New.
5283 (remove_child_TAG): Update for change to die_struct, use
5284 remove_child_with_prev.
5285 (add_child_die): Update for change to die_struct.
5286 (splice_child_die): Use remove_child_with_prev and add_child_die.
5287 (print_die): Use FOR_EACH_CHILD.
5288 (die_checksum): Likewise.
5289 (assign_symbol_names): Likewise.
5290 (output_location_lists): Likewise.
5291 (build_abbrev_table): Likewise.
5292 (calc_die_sizes): Likewise.
5293 (mark_dies): Likewise.
5294 (unmark_dies): Likewise.
5295 (unmark_all_dies): Likewise.
5296 (output_die): Likewise.
5297 (prune_unused_types_mark): Likewise.
5298 (prune_unused_types_walk): Likewise.
5299 (same_die_p): Update for change to die_struct.
5300 (break_out_includes): Likewise.
5301 (prune_unused_types_prune): Likewise.
5302 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5303 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5305 (dwarf2out_finish): Don't call reverse_all_dies.
5307 2006-04-21 Eric Christopher <echristo@apple.com>
5309 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5310 in comments and function names.
5312 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5315 * c-typeck.c (digest_init): Robustify.
5317 * c-typeck.c (pop_init_level): Simplify.
5319 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5321 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5323 2006-04-21 Paul Brook <paul@codesourcery.com>
5325 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5326 hardware floating point.
5328 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5330 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5333 2006-04-21 Nick Clifton <nickc@redhat.com>
5335 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5338 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5341 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5342 C++ lang type in traceback table for Objective-C++.
5344 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5346 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5348 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5350 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5353 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5354 were errors. Remove check for erroneous objects.
5356 2006-04-20 Jeff Law <law@redhat.com>
5358 PR tree-optimization/26854
5359 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5360 checking for zero or one use.
5361 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5362 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5363 * tree-ssa-reassoc.c (negate_value): Similarly.
5364 (reassociate_bb): Similarly.
5366 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5368 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5369 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5370 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5372 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5374 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5375 fp regs if the last fp arg doesn't fit in regs.
5377 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5380 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5381 that the last insn has the REG_INC note.
5383 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5384 Nathan Sidwell <nathan@codesourcery.com>
5387 * stor-layout.c (update_alignment_for_field): Do not align
5389 (place_union_field): Place union field at the start of the union.
5390 (place_field): Move ERROR_MARK check later, and use the current
5391 allocation position to maintain monotonicity.
5393 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5395 * dominance.c: Include timevar.h.
5396 (calculate_dominance_info): Use TV_DOMINANCE.
5397 * timevar.def (TV_DOMINANCE): New timevar.
5398 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5400 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5402 PR rtl-optimization/14261
5403 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5404 move would be an INSV insn.
5405 (noce_process_if_block): Don't optimize if the destination is a
5406 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5408 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5410 * config/s390/s390.md: Add comments with the instructions emitted
5411 by an insn pattern if macros are used.
5413 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5415 PR rtl-optimization/26026
5416 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5417 is a known power of two shifted left a variable amount.
5419 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5421 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5422 to hash table twice when the debug_str section has SECTION_MERGE.
5424 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5426 * config/soft-fp: New directory. From glibc.
5427 * config/soft-fp/t-softfp: New.
5428 * config/soft-fp/README: New.
5429 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5430 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5431 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5432 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5433 * config.gcc: Use rs6000/t-fprules-fpbit or
5434 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5436 * config/rs6000/sfp-machine.h: New. Based on glibc.
5437 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5439 * config/rs6000/t-fprules: Remove fp-bit rules.
5440 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5441 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5442 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5443 (softfp_wrap_start, softfp_wrap_end): New.
5445 2006-04-18 DJ Delorie <dj@redhat.com>
5447 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5449 2006-04-18 Devang Patel <dpatel@apple.com>
5451 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5453 2006-04-18 Nick Clifton <nickc@redhat.com>
5455 * config/sh/t-symbian: Add rule to build sh-c.o
5456 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5457 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5458 (sh_symbian_encode_section_info): Likewise.
5460 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5462 * builtins.c (expand_builtin_strcmp): Cover label definition of
5463 do_libcall with HAVE_cmpstrnsi.
5465 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5467 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5469 * function.h (temp_slot_p): New.
5470 (function): Change the type of x_used_temp_slots to
5471 VEC(temp_slot_p,gc) *.
5473 2006-04-18 Nick Clifton <nickc@redhat.com>
5475 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5476 flag_strength_reduce.
5478 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5480 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5484 Partial revert of revision 112637
5485 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5486 Dale Johannesen <dalej@apple.com>
5489 * regclass.c (struct reg_pref): Update documentation.
5490 (regclass): Set prefclass to NO_REGS if memory is the best option.
5491 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5493 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5495 PR tree-optimization/26821
5496 * tree-ssa-math-opts.c (get_constant_one): New.
5497 (insert_reciprocals): Use it.
5499 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5501 * dwarf2out.c (free_AT): Delete.
5502 (remove_AT): Update string ref counts.
5503 (remove_child_TAG): Don't call free_die.
5505 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5506 or DW_TAG_GNU_EINCL.
5507 (prune_unused_types_walk_attribs): Reset string refcounts.
5508 (prune_unused_types_update_strings): New.
5509 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5510 call free_die. Do call prune_unused_types_update_strings.
5511 (prune_unused_types): Empty debug_str_hash.
5513 2006-04-17 Roger Sayle <roger@eyesopen.com>
5515 * expr.c (expand_assignment): Optimize away no-op moves where the
5516 source and destination are equal and have no side-effects.
5518 2006-04-17 Richard Guenther <rguenther@suse.de>
5521 * reload.c (push_reload): Guard calls to get_secondary_mem
5524 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5526 * alias.c (reg_base_value, old_reg_base_value): Change the
5527 type to VEC(rtx,gc) *.
5528 (REG_BASE_VALUE, find_base_value, record_set,
5529 init_alias_analysis): Use VEC instead of VARRAY.
5531 * alias.c (alias_sets): Change the type to
5532 VEC(alias_set_entry,gc) *.
5533 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5534 VEC instead of VARRAY.
5535 (last_alias_set): Remove.
5537 * cgraph.h (cgraph_edge_p): New.
5538 Update the prototype of cgraph_function_versioning.
5539 * cgraphunit.c (cgraph_copy_node_for_versioning,
5540 cgraph_function_versioning): Use VEC instead of VARRAY.
5541 * ipa-cp.c (ipcp_insert_stage): Likewise.
5543 2006-04-16 Roger Sayle <roger@eyesopen.com>
5546 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5547 "A op B" or "A op C", we may need to convert A to the type of B and C.
5549 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5551 * target.h (struct gcc_target): Add mode_rep_extended.
5552 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5553 (init_num_sign_bit_copies_in_rep): Initialize it using
5555 (truncate_to_mode): Use it.
5556 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5557 * targhooks.h (default_mode_rep_extended): Declare it.
5558 * targhooks.c (default_mode_rep_extended): Define it.
5559 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5560 default_mode_rep_extended.
5561 (TARGET_INITIALIZER): Include it.
5562 * doc/tm.texi (Misc): Document it.
5563 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5564 (mips_truncated_to_mode): New function.
5566 2006-04-16 Roger Sayle <roger@eyesopen.com>
5569 * expr.c (compress_float_constant): Copy the narrow constant into
5570 a new pseudo before extending it to its final width.
5572 2006-04-16 Roger Sayle <roger@eyesopen.com>
5573 Andrew Pinski <pinskia@gcc.gnu.org>
5574 Dale Johannesen <dalej@apple.com>
5577 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5578 special case code to implement V8HImode and V16QImode with SSE2.
5580 2006-04-15 Roger Sayle <roger@eyesopen.com>
5582 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5583 trees are constructed with a suitable tree type.
5585 2006-04-15 Roger Sayle <roger@eyesopen.com>
5587 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5588 (integer_onep): Likewise.
5589 (integer_all_onesp): Likewise.
5590 (integer_pow2p): Likewise.
5591 (integer_nonzerop): Likewise.
5592 (real_zerop): Likewise.
5593 (real_onep): Likewise.
5594 (real_twop): Likewise.
5595 (real_minus_onep): Likewise.
5596 (int_size_in_bytes): Likewise.
5597 (host_integerp): Likewise.
5599 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5601 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5602 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5603 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5605 * tree-ssa-structalias.h (alias_info): Remove num_references.
5607 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5609 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5610 (output_bvb patterns): Likewise.
5611 * pa.c (output_bb): Use 'bb' insn for long branch case.
5612 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5613 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5614 1. Correct length operand for alternatives 1 and 2.
5615 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5616 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5618 2006-04-14 Roger Sayle <roger@eyesopen.com>
5620 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5621 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5622 were accidentally reverted by r112959.
5624 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5627 * except.h (eh_region_outermost): New prototype.
5628 * except.c (eh_region_outermost): New function.
5629 * tree-cfg.c (find_outermost_region_in_block): Use it.
5631 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5633 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5635 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5636 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5637 (init_reload, reload): Use VEC instead of VARRAY.
5638 * reload.h: Update the prototype for
5639 reg_equiv_memory_loc_varray.
5641 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5642 Eric Botcazou <ebotcazou@libertysurf.fr>
5644 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5647 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5650 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5651 to expand fallback builtin function call.
5653 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5656 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5657 and emit libcall here in case the builtin fails.
5658 (expand_builtin_strcmp): Always emit the libcall here on failure.
5660 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5662 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5663 * flow.c (reg_n_info): Change the type to
5664 VEC(reg_info_p,heap) *.
5665 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5667 * regs.h (reg_info_p): New.
5668 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5669 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5670 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5673 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5675 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5677 * params.h (MAX_SCHED_READY_INSNS): New macro.
5678 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5679 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5680 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5681 the ready list for 1 cycle during the first scheduling pass.
5682 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5684 2006-04-13 Richard Henderson <rth@redhat.com>
5687 * gimple-low.c (lower_omp_directive): Remove dead code.
5688 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5689 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5690 * omp-low.c (struct omp_region): Move to tree-flow.h.
5691 (root_omp_region): Export.
5692 (omp_regions, lookup_omp_region): Remove.
5693 (determine_parallel_type): Update for struct omp_region changes.
5694 (dump_omp_region): Dump regions with block numbers.
5695 (new_omp_region): Take type and block instead of stmt; malloc
5697 (free_omp_region_1, free_omp_regions): New.
5698 (expand_parallel_call): Take entry_stmt as argument; update for
5699 changes to omp_region.
5700 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5701 (remove_exit_barriers): New.
5702 (expand_omp_parallel): Update for struct omp_region changes.
5703 (expand_omp_synch): Likewise.
5704 (expand_omp): Likewise.
5705 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5706 (expand_omp_for_static_chunk): Likewise.
5707 (expand_omp_for): Likewise.
5708 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5709 (expand_omp_sections): Similarly, with GOMP_sections_end.
5710 (expand_omp_single): New.
5711 (build_omp_regions_1): Update for OMP_CONTINUE.
5712 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5713 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5714 OMP_SECTIONS_SECTIONS.
5715 (lower_omp_single_simple): Don't emit barrier here.
5716 (lower_omp_single_copy): Likewise.
5717 (lower_omp_single): Fix bindings, and lower to straightline now.
5718 (lower_omp_master, lower_omp_ordered): Likewise.
5719 (lower_omp_critical): Likewise.
5720 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5721 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5722 omp edges, free it afterward.
5723 (make_omp_sections_edges): Remove.
5724 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5725 (move_stmt_r): Handle OMP_CONTINUE.
5726 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5727 statement pointers to basic blocks. Add type member.
5728 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5729 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5730 * tree-inline.c (estimate_num_insns_1): Likewise.
5731 * tree-pretty-print.c (dump_generic_node): Likewise.
5732 * tree-ssa-operands.c (get_expr_operands): Likewise.
5733 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5734 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5735 (OMP_CONTINUE): New.
5736 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5737 (OMP_SECTIONS_SECTIONS): Remove.
5738 (OMP_SECTION_LAST): New.
5739 (OMP_RETURN_NOWAIT): New.
5741 2006-04-13 Roger Sayle <roger@eyesopen.com>
5743 * fold-const.c (native_encode_vector, native_interpret_real):
5744 Correct obvious mistakes in the previous check-in.
5746 2006-04-13 Roger Sayle <roger@eyesopen.com>
5748 * fold-const.c (native_encode_expr): New function to encode
5749 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5750 or VECTOR_CST into a specified buffer.
5751 (native_encode_int): New function.
5752 (native_encode_real): New function.
5753 (native_encode_complex): New function.
5754 (native_encode_vector): New function.
5755 (native_interpret_expr): Inverse of native_encode_expr to convert
5756 a target representation into an INTEGER_CST, REAL_CST etc...
5757 (native_interpret_int): New function.
5758 (native_interpret_real): New function.
5759 (native_interpret_complex): New function.
5760 (native_interpret_vector): New function.
5761 (fold_view_convert_expr): New function to constant fold/evaluate
5762 a VIEW_CONVERT_EXPR of a suitable constant expression.
5763 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5764 Change call of build1 to fold_build1 when constructing a
5767 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5768 Ulrich Weigand <uweigand@de.ibm.com>
5771 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5774 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5777 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5778 optimize to lo_sum for DFmode if !TARGET_FPRS.
5780 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5782 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5783 delete_alias_info, compute_flow_sensitive_aliasing,
5784 group_aliases): Use VEC instead of VARRAY.
5785 * tree-ssa-structalias.c (update_alias_info): Likewise.
5786 * tree-ssa-structalias.h (alias_info): Change the type of
5787 processed_ptrs to VEC(tree,heap) *.
5789 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5792 * config/sh/lib1funcs.h: New file, broken out of:
5793 * config/sh/lib1funcs.asm.
5794 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5796 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5797 * config/sh/lib1funcs-Os-4-200.asm: New file.
5798 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5799 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5800 (EXTRA_MULTILIB_PARTS): Include it.
5801 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5802 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5803 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5804 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5807 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5809 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5810 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5811 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5813 * tree-ssa-live.h: Include vecprim.h.
5814 (tree_partition_associator_d): Change the type of
5815 first_partition to VEC(int,heap) *.
5816 (tpa_first_partition): Use VEC instead of VARRAY.
5818 * Makefile.in (GTFILES): Move functions.h after tree.h.
5819 * function.c (reset_block_changes, record_block_change,
5820 check_block_change, free_block_changes): Use VEC instead of
5822 * function.h (function): Change the type of
5823 ib_boundaries_block to VEC(tree,gc) *.
5824 * tree-inline.c (copy_cfg_body): Initialize
5825 ib_boundaries_block to NULL instead of (varray_type) 0.
5827 2006-04-12 Roger Sayle <roger@eyesopen.com>
5829 * expr.c (emit_group_store): Correct operand order in call to
5830 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5831 a SUBREG_BYTE of zero.
5833 2006-04-12 Richard Guenther <rguenther@suse.de>
5835 * profile.c (compute_branch_probabilities): Remove code
5836 encapsulated in !ir_type (), which are remanents of the
5837 removed RTL profiling code.
5838 * rtl-profile.c: Remove.
5840 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5842 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5843 magic NULL_RTX comment.
5844 (function_arg): Store entire fp arg to mem if any part should go
5846 (rs6000_arg_partial_bytes): Adjust for above change.
5848 2006-04-11 Roger Sayle <roger@eyesopen.com>
5850 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5851 if it hasn't been initialized by dwarf2out_init.
5853 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5855 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5856 symbolic constants in branch patterns.
5858 2006-04-11 Roger Sayle <roger@eyesopen.com>
5860 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5862 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5864 PR rtl-optimization/27073
5865 * gcse.c (try_replace_reg): Revert last change. Continue to search
5866 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5869 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5871 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5872 aggregate types other than record and union types.
5873 (function_arg): Likewise.
5874 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5876 (function_value): In 64-bit mode, return objects that require it
5879 2006-04-11 Roger Sayle <roger@eyesopen.com>
5881 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5883 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5885 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5887 2006-04-03 Jeff Law <law@redhat.com>
5890 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5891 alias information too.
5893 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5895 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5897 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5900 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5901 (premark_used_types_helper): New.
5902 (premark_used_types): New.
5903 (gen_subprogram_die): Call premark_used_types.
5904 (prune_unused_types_walk): Do not prune perennial dies.
5905 * function.c (used_types_insert): New.
5906 * function.h (struct function): Add used_types_hash field.
5907 (used_types_insert): Add prototype.
5908 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5909 * c-parser.c (c_parser_cast_expression): Save casted types in used
5912 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5915 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5916 rs6000_explicit_options.float_gprs.
5918 2006-04-10 Roger Sayle <roger@eyesopen.com>
5920 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5921 from ix86_expand_vector_init_low_nonzero. Take an additional
5922 one_var argument indicating which element is non-zero. Support
5923 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5924 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5925 with one_var instead of ix86_expand_vector_init_low_nonzero.
5927 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5929 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5930 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5931 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5932 build/genextract.o): Depend on vecprim.h.
5933 * cfglayout.c, df-problems.c, function.c, genextract.c,
5934 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5935 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5939 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5941 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5942 Declare VECs of this type.
5943 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5944 (remove_children): Delete.
5945 (add_dwarf_attr): Use VEC routines.
5946 (add_AT_flag): Update for changes to add_dwarf_attr.
5947 (add_AT_int): Likewise.
5948 (add_AT_unsigned): Likewise.
5949 (add_AT_long_long): Likewise.
5950 (add_AT_vec): Likewise.
5951 (add_AT_string): Likewise.
5952 (add_AT_die_ref): Likewise.
5953 (add_AT_fde_ref): Likewise.
5954 (add_AT_loc): Likewise.
5955 (add_AT_loc_list): Likewise.
5956 (add_AT_addr): Likewise.
5957 (add_AT_lbl_id): Likewise.
5958 (add_AT_lineptr): Likewise.
5959 (add_AT_macptr): Likewise.
5960 (add_AT_offset): Likewise.
5961 (add_AT_range_list): Likewise.
5962 (get_AT): Use VEC_iterate.
5963 (remove_AT): Use VEC_ordered_remove.
5964 (free_die): Fold remove_children into here; have it use VEC_iterate.
5965 (print_die): Use VEC_iterate on attrs.
5966 (reverse_die_lists): Don't reverse attr lists.
5967 (die_checksum): Use VEC_iterate on attrs.
5968 (same_die_p): Likewise.
5969 (output_location_lists): Likewise.
5970 (build_abbrev_table): Likewise.
5971 (size_of_die): Likewise.
5972 (unmark_all_dies): Likewise.
5973 (output_abbrev_section): Likewise.
5974 (output_die): Likewise.
5975 (prune_unused_types_walk_attribs): Likewise.
5977 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5979 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5981 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5984 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5986 2006-04-09 Roger Sayle <roger@eyesopen.com>
5988 * expr.c (store_constructor): Don't bother clearing target if
5989 we're about to assign a vector to it using vec_init_optab.
5991 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5993 * tree-ssa-alias.c (lhs_may_store_to): New function.
5994 (recalculate_used_alone): Handle LHS of calls.
5996 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6000 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6001 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6002 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6003 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6004 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6005 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6006 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6007 stubs. Add ".align 8" directives before all ".dword" directives.
6008 (GTHREAD_USE_WEAK): Revise comment.
6009 (TARGET_ATTRIBUTE_WEAK): Define.
6010 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6011 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6012 * stublib.c: New file.
6017 * pa.md (cbranch patterns): Revise arguments used in calls to
6018 output_cbranch, output_bb and output_bvd. Add long branch length
6020 (fbranch patterns): Handle long branches.
6021 (jump): Revise length check. Revise arguments for output_lbranch call.
6022 Add long branch length attributes.
6023 (decrement_and_branch_until_zero): Add long branch length attributes.
6024 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6025 Likewise. Revise arguments for output_parallel_addb and
6026 output_parallel_movb calls.
6027 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6028 output_parallel_movb and output_parallel_addb): Update prototypes.
6029 * pa.c (output_cbranch): Revise arguments. Correct handling of
6030 nullification in long branches.
6031 (output_lbranch): Add new argument to control extraction of delay
6033 (output_bb): Handle long branches.
6034 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6035 output_parallel_addb): Likewise.
6037 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6039 PR rtl-optimization/27073
6040 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6043 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6045 * tree.h (tree_memory_tag): Add old_used_alone.
6046 (SMT_OLD_USED_ALONE): New macro.
6047 * tree-ssa-alias.c (recalculate_used_alone): Stop
6048 marking things for renaming unnecessarily.
6050 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6052 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6053 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6054 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6055 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6056 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6057 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6058 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6059 spelling convensions.
6060 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6061 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6062 typos. Follow spelling conventions.
6064 2006-04-07 DJ Delorie <dj@redhat.com>
6066 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6067 passed on the stack.
6068 (m32c_init_cumulative_args): When a function returns a structure,
6069 always pass the pointer to that return area on the stack.
6070 (m32c_function_arg_advance): Don't increment the parameter number
6071 if we're processing the returned structure pointer.
6072 (pushm_info): Reverse order of registers.
6074 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6076 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6077 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6078 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6079 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6081 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6082 chrec_fold_multiply): Same.
6083 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6084 force_expr_to_var_cost): Same.
6085 * tree-mudflap.c (mf_xform_derefs_1): Same.
6086 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6088 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6090 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6091 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6094 2006-04-07 Jan Hubicka <jh@suse.cz>
6096 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6098 2006-04-07 Richard Guenther <rguenther@suse.de>
6100 PR tree-optimization/26135
6101 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6102 loads for store copy-prop.
6103 (copy_prop_visit_stmt): Likewise.
6105 2006-04-05 Robert Millan <robertmh@gnu.org>
6107 * config/i386/linux.h: Add a comment to mark macros that are
6108 being overriden in config/k*bsd-gnu.h.
6109 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6111 * config/knetbsd-gnu.h: Ditto.
6113 2006-04-06 Jan Hubicka <jh@suse.cz>
6117 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6120 2006-04-06 Mike Stump <mrs@apple.com>
6122 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6123 for HAVE_nonlocal_goto to be consistent.
6124 (expand_builtin_nonlocal_goto): Likewise.
6125 (expand_builtin_strcmp): Use #ifdef instead of #if
6126 for HAVE_cmpstrnsi to be consistent.
6128 2006-04-05 DJ Delorie <dj@redhat.com>
6130 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6133 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6135 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6136 got-relative addressing for anything but SImode.
6138 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6139 even if the calling function doesn't modify them.
6141 2006-04-05 Richard Guenther <rguenther@suse.de>
6143 PR tree-optimization/26919
6144 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6145 to cgraph_estimate_size_after_inlining.
6147 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6149 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6151 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6153 PR tree-optimization/26996
6154 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6155 VECTOR_TYPE variables.
6157 2006-04-05 Richard Guenther <rguenther@suse.de>
6159 PR tree-optimization/26763
6160 * fold-const.c (fold_comparison): Move folding of
6161 PTR + CST CMP PTR + CST ...
6162 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6164 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6166 * doc/install.texi (Prerequisites): Refine some wording on
6167 bootstrapping and ksh.
6168 Move the version numbers of DejaGnu here from the testing section
6169 and fix casing of names.
6170 Fix markup and clarify wording for autogen requirements.
6171 Refer to GCJ instead of just java.
6172 Refer to SVN instead of CVS.
6173 Describe diffutils as useful instead of necessary.
6174 (Downloading the source): Refer to SVN instead of CVS.
6175 Adjust a link to our web site accordingly.
6176 (Configuration): Fix casing of Bison.
6177 (Building): Refer to SVN instead of CVS.
6178 Fix a sentence on the use of Bison and remove duplicate (and
6179 incorrect) version number of Bison requirement.
6180 Remove one redundant list of packages needed for building.
6181 (Specific): Avoid reference to CVS.
6183 2006-04-04 Eric Christopher <echristo@apple.com>
6185 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6186 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6187 (rs6000_handle_struct_attribute): New.
6188 (rs6000_ms_bitfield_layout_p): Ditto.
6190 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6192 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6193 NULL for dso parameter to atexit_common.
6195 2006-04-04 Eric Christopher <echristo@apple.com>
6197 * config/i386/i386.c (machopic_output_stub): Output \t
6198 between instructions and operands.
6200 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6202 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6203 satisfies_constraint_[IL] to explicit tests on value.
6205 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6207 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6208 set_nb_iterations_in_loop): Use build_int_cst instead of
6210 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6211 build_int_cst instead of convert.
6213 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6215 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6216 new value 2 for incoming.
6217 * function.c (expand_function_start): Call struct_value_rtx
6219 * config/sparc/sparc.md: Comment updated_return.
6220 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6221 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6222 struct return if sparc_std_struct_return and incoming is 2.
6223 (print_operand): Do not adjust return if
6224 sparc_std_struct_return.
6226 2006-04-04 Roger Sayle <roger@eyesopen.com>
6228 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6229 convert in the middle-end.
6230 * expr.c (store_expr, store_constructor, get_inner_reference,
6231 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6233 * tree.c (build_range_type): Likewise.
6235 2006-04-04 Tom Tromey <tromey@redhat.com>
6237 * doc/install.texi (Prerequisites): Mention jar.
6239 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6241 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6244 2006-04-04 Matthias Klose <doko@debian.org>
6246 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6247 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6250 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6252 * doc/extend.texi (Function Attributes): Rewrite visibility
6253 attribute documentation.
6254 * doc/invoke.texi (C++ Dialect Options): Rewrite
6255 -fvisibility-inlines-hidden documentation to describe something
6256 entirely different, although in practise compatible.
6257 (Code Gen Options): Warn about system headers in -fvisibility=
6260 * doc/extend.texi (Other Builtins): Document that
6261 __builtin_nan is a compile-time constant only when its argument
6264 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6266 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6267 trying to remove TRUNCATE check if all bits outside the new mode
6268 are identical to the sign bit.
6270 2006-04-03 Jeff Law <law@redhat.com>
6272 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6273 and operand scanning in some common cases.
6275 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6276 Dale Johannesen <dalej@apple.com>
6279 * regclass.c (struct reg_pref): Update documentation.
6280 (regclass): Set prefclass to NO_REGS if memory is the best option.
6281 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6282 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6283 into account. For non-registers, equate an empty preferred
6284 reload class to a `!' in the constraint; move the if clause to
6285 do so after those that reject the insn.
6286 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6288 (find_dummy_reload): Likewise.
6289 * doc/tm.texi (Register Classes): Document what it means
6290 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6291 * config/i386/i386.c (ix86_preferred_reload_class): Force
6292 using SSE registers (and return NO_REGS for floating-point
6293 constants) if math is done with SSE.
6294 (ix86_preferred_output_reload_class): New.
6295 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6296 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6297 * config/i386/i386.md: Remove # register preferences.
6299 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6302 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6303 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6304 the type of nb_iter.
6305 (instantiate_parameters_1): Convert the operands before calling
6306 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6307 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6309 2006-04-02 Roger Sayle <roger@eyesopen.com>
6311 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6312 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6314 * dojump.c (do_jump): Likewise.
6315 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6316 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6317 gimplify_boolean_expr): Likewise.
6318 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6319 * varasm.c (array_size_for_constructor): Likewise.
6320 * tree-object-size.c (compute_object_offset): Likewise.
6322 2006-04-02 Roger Sayle <roger@eyesopen.com>
6325 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6326 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6328 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6330 PR tree-optimization/26939
6331 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6333 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6335 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6336 at_stmt. Convert the type of operands before calling
6337 build_polynomial_chrec.
6338 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6340 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6341 (instantiate_parameters_1): Convert the type of operands before calling
6342 build_polynomial_chrec.
6343 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6344 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6345 reset_evolution_in_loop): Insert asserts to check the types of the
6347 (chrec_type): Moved...
6348 (eq_evolutions_p): Use operand_equal_p.
6349 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6350 the types of the operands.
6351 (chrec_type): ...here.
6352 * tree-data-ref.c (create_data_ref): Convert the operands before
6353 calling chrec_replace_initial_condition.
6354 (same_access_functions, analyze_subscript_affine_affine,
6355 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6356 (compute_subscript_distance, analyze_ziv_subscript,
6357 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6358 analyze_miv_subscript): Convert the operands before calling
6359 chrec_fold_minus or chrec_fold_plus.
6361 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6363 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6364 the dependence_relations vector.
6365 (compute_data_dependences_for_loop): Adjust call to
6366 compute_all_dependences.
6368 2006-04-01 Roger Sayle <roger@eyesopen.com>
6369 Richard Henderson <rth@redhat.com>
6371 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6372 gimple_boolify on the condition before calling gimplify_expr.
6374 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6376 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6377 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6378 the frame size. Update to use the new macros.
6379 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6380 * config/xtensa/ieee754-df.S: Likewise.
6382 2006-03-31 Richard Henderson <rth@redhat.com>
6384 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6385 (make_edges): ... here. Control fallthru creation with a local
6386 variable. Do not play with fake edges.
6387 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6388 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6391 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6393 * dwarf2.h (DW64_CIE_ID): Define.
6394 * dwarf2out.c (DWARF_CIE_ID): Define.
6395 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6396 length header. Use DWARF_CIE_ID.
6397 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6398 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6400 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6402 * config/sh/linux-atomic.asm: New file.
6403 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6405 2006-03-31 DJ Delorie <dj@redhat.com>
6407 * config/m32c/cond.md: Set condition flags properly throughout.
6408 * config/m32c/minmax.md: Likewise.
6409 * config/m32c/prologue.md: Likewise.
6410 * config/m32c/bitops.md: Likewise.
6411 * config/m32c/muldiv.md: Likewise.
6412 * config/m32c/mov.md: Likewise.
6413 * config/m32c/addsub.md: Likewise.
6414 * config/m32c/m32c.md: Likewise.
6415 * config/m32c/jump.md: Likewise.
6416 * config/m32c/shift.md: Likewise.
6418 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6419 conditionally output the pattern for this.
6420 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6421 (m32c_compare_redundant): New.
6422 (m32c_output_compare): New.
6423 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6425 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6426 dest, not src. Allow other 4-byte modes.
6428 2006-03-30 Denis Chertykov <denisc@overta.ru>
6430 * doc/md.texi: Refer to avr/constraints.md instead of
6433 2006-03-30 Roger Sayle <roger@eyesopen.com>
6435 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6436 signed vs. unsigned comparison failures on some hosts.
6438 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6441 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6442 change to FLOAT_REGS.
6444 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6445 (rs6000_override_options): Use it.
6446 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6447 only for -mabi=spe/no-spe and -mabi=altivec.
6449 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6451 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6454 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6456 * Makefile.in: Rename docdir to gcc_docdir.
6458 2006-03-30 Roger Sayle <roger@eyesopen.com>
6461 * expr.c (emit_group_store): Optimize group stores into a pseudo
6462 register by using a paradoxical subreg to initialize the destination
6463 if the first or last member of the group specifies a "low part".
6465 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6468 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6469 * target.h (struct gcc_target.speculate_insn): Change type of the
6470 second parameter to 'int'.
6471 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6472 the second operand of the DEPS_LIST.
6473 (copy_DEPS_LIST_list): Update reference to the second operand of the
6475 * rtl.h (alloc_DEPS_LIST): Update signature.
6476 * sched-int.h (ds_t): Change typedef to 'int'.
6477 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6479 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6481 * haifa-sched.c (try_ready): Change condition to restore
6482 non-speculative pattern of the instruction.
6483 (process_insn_depend_be_in_spec): Code to keep probability of the
6484 speculative dependence non-decreasing.
6486 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6488 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6489 (single_move_for_movmem): ... this. Also change all uses.
6490 (bfin_expand_strmov): Renamed to...
6491 (bfin_expand_movmem): ... this. Also change all uses.
6492 * config/bfin/bfin.md (movstrsi): Renamed to...
6493 (movstrsi): ...this.
6495 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6497 PR tree-optimization/26830
6499 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6500 (copy_prop_visit_stmt): Remove write-only variable ann.
6501 (init_copy_prop): Check variable loop depth here. Do not simulate
6502 memory-tag and virtual operand PHIs except for store copy prop.
6504 2006-03-30 Richard Guenther <rguenther@suse.de>
6506 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6507 variants with double arguments.
6509 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6511 * genpreds.c (write_tm_constrs_h): Delete variable p.
6512 * genconditions.c (write_header): Add tm-constrs.h to included
6514 * genpeep.c (main): Add toplev.h to included headers.
6515 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6516 (build/genpeep.o): Add toplev.h dependency.
6517 * config/rs6000/constraints.md: Add "W" constraint.
6519 2006-03-29 Roger Sayle <roger@eyesopen.com>
6521 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6522 sizes by correctly testing whether the size fits a host integer.
6523 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6524 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6525 SImode range for the default sizetype and bitsizetype.
6527 2006-03-29 Roger Sayle <roger@eyesopen.com>
6529 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6530 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6531 quickly if the argument is already of the correct type.
6532 Call fold_build1 instead of build1. Tidy up blank lines.
6534 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6536 * genemit.c (main): Add tm-constrs.h to included headers.
6537 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6538 * genpeep.c (main): Add tm-constrs.h to included headers.
6539 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6540 (write_tm_constrs_h): this and write complete file.
6541 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6542 (write_insn_preds_c): Add tm-constrs.h to included headers.
6543 (gen_constrs): New variable.
6544 (parse_option): Parse "-c".
6545 (main): Invoke write_tm_constrs_h.
6546 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6547 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6548 (object_out_file): Add tm-constrs.h dependency.
6549 (insn-emit.o): Same.
6550 (insn-output.o): Same.
6551 (insn-peep.o): Same.
6552 (insn-preds.o): Same.
6553 (insn-recog.o): Same.
6554 (tm-constsr.h): New target.
6555 (s-constrs-h): New target.
6557 * config/rs6000/constraints.md: New file.
6558 * config/rs6000/rs6000.c: Include tm-constrs.h.
6559 (num_insn_constant_wide): Convert to satisfies_constraint.
6560 (rs6000_rtx_costs): Convert to satisfies_constraint.
6561 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6562 (CONST_OK_FOR_LETTER_P): Delete.
6563 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6564 (EXTRA_CONSTRAINT): Delete.
6565 (EXTRA_MEMORY_CONSTRAINT): Delete.
6566 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6567 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6568 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6569 satisfies_constraint.
6571 * config/i386/i386.c: Include tm-constrs.h.
6573 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6575 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6576 * tree-data-ref.c (find_data_references_in_loop,
6577 compute_data_dependences_for_loop): Use pointers to VEC.
6578 (analyze_all_data_dependences): Adjust calls.
6579 * tree-data-ref.h (find_data_references_in_loop,
6580 compute_data_dependences_for_loop): Adjust declarations.
6581 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6582 compute_data_dependences_for_loop.
6584 2006-03-29 Paul Brook <paul@codesourcery.com>
6586 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6589 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6591 PR tree-optimization/26859
6592 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6594 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6595 for the step after fold_convert.
6597 2006-03-29 Paul Brook <paul@codesourcery.com>
6599 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6600 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6602 2006-03-29 Paul Brook <paul@codesourcery.com>
6605 * targhooks.c (default_narrow_bitfield): New fuction.
6606 * targhooks.h (default_narrow_bitfield): add prototype.
6607 * target.h (gcc_target): Add narrow_volatile_bitfield.
6608 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6609 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6610 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6611 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6613 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6615 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6617 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6618 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6619 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6620 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6621 (s390_function_arg_float): Allow SDmode and DDmode values to be
6622 passed in floating point registers.
6623 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6624 check with SCALAR_FLOAT_MODE_P.
6625 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6627 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6629 PR tree-optimization/25985
6630 * tree-ssa-loop-niter.c (number_of_iterations_le,
6631 number_of_iterations_ne): Make comments more precise.
6632 (number_of_iterations_cond): Add only_exit argument. Use the
6633 fact that signed variables do not overflow only when only_exit
6635 (loop_only_exit_p): New.
6636 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6637 number_of_iterations_cond.
6639 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6641 PR tree-optimization/26643
6642 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6645 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6647 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6648 (divsi3_i4_int): Likewise.
6650 2006-03-28 Roger Sayle <roger@eyesopen.com>
6652 * expr.c (emit_group_store): Only create a new pseudo reg if the
6653 quantity it needs to hold isn't already a suitable pseudo.
6655 2006-03-28 Jeff Law <law@redhat.com>
6657 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6658 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6660 2006-03-28 Roger Sayle <roger@eyesopen.com>
6662 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6663 the equivalent ~X & Y, and the symmetry related transformations.
6664 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6665 ~X & Y, and symmetry related transforms.
6667 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6669 Revert my 2006-03-27 patches.
6671 2006-03-28 Roger Sayle <roger@eyesopen.com>
6673 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6674 ~(T1)X, when T1 and T2 are integer types of the same precision
6675 and (T2)X isn't an extension.
6677 2006-03-28 Jeff Law <law@redhat.com>
6679 PR tree-optimization/26796
6680 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6681 need EH edge cleanups rather than purging them immediately.
6682 (eliminate_degenerate_phis): Handle queued EH cleanups.
6684 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6686 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6689 2006-03-27 Roger Sayle <roger@eyesopen.com>
6692 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6693 cast BIT_NOT_EXPR operand to the correct type.
6695 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6697 * tree-loop-linear.c: Don't include varray.h.
6698 (gather_interchange_stats, try_interchange_loops,
6699 linear_transform_loops): Use VEC instead of VARRAY.
6700 * lambda-mat.c: Don't include varray.h.
6701 * tree-chrec.c: Same.
6702 * lambda-trans.c: Same.
6703 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6704 VEC instead of VARRAY.
6705 * tree-vectorizer.h: Idem.
6706 * tree-data-ref.c (dump_data_references,
6707 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6708 initialize_data_dependence_relation, finalize_ddr_dependent,
6709 compute_all_dependences, find_data_references_in_loop,
6710 compute_data_dependences_for_loop, analyze_all_data_dependences,
6711 free_dependence_relation, free_dependence_relations,
6712 free_data_refs): Idem.
6713 * tree-data-ref.h (data_reference_p, subscript_p): New.
6714 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6715 VEC instead of VARRAY.
6716 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6717 (find_data_references_in_loop, compute_data_dependences_for_loop,
6718 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6719 dump_data_dependence_relations, free_dependence_relations,
6720 free_data_refs): Adjust declaration.
6721 (lambda_transform_legal_p): Move declaration here...
6722 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6723 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6724 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6725 vect_analyze_data_refs): Use VEC instead of VARRAY.
6726 * lambda.h (lambda_transform_legal_p): ...from here.
6727 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6728 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6729 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6730 tree-chrec.o): Don't depend on VARRAY_H.
6732 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6734 * rtl.def (Copyright): Update date.
6735 (DEPS_LIST): Change type of the second operand to 'int'.
6736 * target.h (Copyright): Update date.
6737 (struct gcc_target.speculate_insn): Change type of the second parameter
6739 * lists.c (Copyright): Update date.
6740 (alloc_DEPS_LIST): Change signature. Update reference to the second
6741 operand of the DEPS_LIST.
6742 (copy_DEPS_LIST_list): Update reference to the second operand of the
6744 * rtl.h (Copyright): Update date.
6745 (alloc_DEPS_LIST): Update signature.
6746 * sched-int.h (Copyright): Update date.
6747 (ds_t): Change typedef to 'int'.
6748 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6750 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6752 * haifa-sched.c (Copyright): Update date.
6753 (try_ready): Change condition to restore non-speculative pattern
6755 (process_insn_depend_be_in_spec): Code to keep probability of the
6756 speculative dependence non-decreasing.
6758 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6760 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6761 shut up the compiler.
6763 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6765 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6766 to use lib prefix for target.
6767 ($(T)libic_invalidate_array_4-200.a): Likewise.
6768 ($(T)libic_invalidate_array_4a.a): Likewise.
6770 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6771 J"orn Rennecke <joern.rennecke@st.com>
6773 * superh.opt: New file.
6774 * sh.c (boardtype, osruntime): Remove.
6775 * superh.h (SUBTARGET_OPTIONS): Remove.
6776 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6778 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6779 arguments with ^ and/or [].
6781 * config.gcc (sh-*-*): Add quoting to account for quirk of
6783 Replace == with = in enable_incomplete_targets test.
6785 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6786 with MASK_LITTLE_ENDIAN.
6788 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6789 * config/sh/sh.opt: Added to some comments.
6790 * config/sh/superh.h: Removed some chaff.
6792 * config/sh/sh.opt: Add m4-[1234]00* options.
6793 * config/sh/sh.c (sh_handle_option): Likewise.
6794 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6795 (ic_invalidate_array_4-100.o): New rule.
6796 ($(T)libic_invalidate_array_4-100.a): Likewise.
6797 (ic_invalidate_array_4-200.o): Likewise.
6798 ($(T)libic_invalidate_array_4-200.a): Likewise.
6799 (ic_invalidate_array_4a.o): Likewise.
6800 ($(T)libic_invalidate_array_4a.a): Likewise.
6801 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6802 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6804 * config/sh/crt1.asm: Merged in profiling code.
6805 * config/sh/superh.h (STARTFILE_SPEC): Override.
6806 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6807 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6808 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6810 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6811 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6812 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6814 * sh.opt (mpretend-cmove): New option.
6815 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6816 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6817 (movsicc): Add TARGET_PRETEND_CMOVE code.
6819 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6821 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6822 s390_class_max_nregs): New function prototypes.
6823 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6824 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6825 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6826 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6828 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6830 * dwarf2out.c (add_location_or_const_value_attribute): Call
6831 tree_add_const_value_attribute if nothing else works.
6832 (reference_to_unused): New.
6833 (rtl_for_decl_init): Use reference_to_unused to decide whether
6834 to output an initializer.
6836 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6839 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6840 peephole removing spe frob_di_df_2.
6842 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6844 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6845 (subscript_dependence_tester_1): Declared.
6846 (print_dir_vectors, print_dist_vectors): New.
6847 (debug_data_dependence_relation): New.
6848 (dump_data_dependence_relation): Print more details.
6849 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6850 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6851 (save_dist_v, save_dir_v, add_outer_distances,
6852 build_classic_dist_vector_1): New.
6853 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6854 Don't test for lambda_vector_lexico_pos.
6855 (same_access_functions, add_multivariate_self_dist,
6856 add_other_self_distances, dir_from_dist): New.
6857 (build_classic_dir_vector): Replace implementation almost identical to
6858 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6860 (subscript_dependence_tester_1): New.
6861 (subscript_dependence_tester): Handle the lexicographically negative
6862 distance vectors by recomputing the dependence relation.
6863 (compute_affine_dependence): Remove parameter loop_nest_depth.
6864 (compute_self_dependence): Don't call compute_subscript_distance.
6865 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6866 Add a parameter for the loop_nest.
6867 (find_loop_nest_1, find_loop_nest): New.
6868 (compute_data_dependences_for_loop): Compute the loop nest, and give
6869 up if the nest is not well formed.
6870 * tree-data-ref.h (loop_p): New.
6871 (struct data_dependence_relation): Replace size_vect field with
6872 loop_nest, a vec of loops.
6873 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6874 (DDR_LOOP_NEST): New.
6875 (print_dir_vectors, print_dist_vectors,
6876 debug_data_dependence_relation): Declared.
6877 (index_in_loop_nest): New.
6878 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6879 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6882 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6884 * simplify-rtx.c (simplify_relational_operation): Call
6885 simplify_relational_operation_1 even if mode is VOIDmode.
6887 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6889 PR tree-optimization/26804
6890 * tree.h (DECL_CALL_CLOBBERED): New macro.
6891 (tree_decl_common): Add call_clobbered_flag.
6892 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6893 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6894 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6895 (mark_non_addressable): Ditto.
6896 * tree-ssa.c (verify_call_clobbered): New function.
6897 (verify_alias_info): Use it.
6898 * tree-pass.h (pass_reset_cc_flags): New prototype.
6899 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6900 (reset_cc_flags): New function.
6901 * passes.c (init_optimization_passes): Call reset_cc_flags after
6902 initializing referenced_vars.
6904 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6905 Roger Sayle <roger@eyesopen.com>
6908 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6909 to 1.0 for non-real operands. Implement A / A optimization for
6912 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6914 * config/i386/i386.c (size_cost): Correct the comment for
6915 cost of storing fp registers.
6916 (i386_cost): Likewise.
6917 (i486_cost): Likewise.
6918 (pentium_cost): Likewise.
6919 (pentiumpro_cost): Likewise.
6920 (k6_cost): Likewise.
6921 (athlon_cost): Likewise.
6922 (k8_cost): Likewise.
6923 (pentium4_cost): Likewise.
6924 (nocona_cost): Likewise.
6925 (generic64_cost): Likewise.
6926 (generic32_cost): Likewise.
6928 2006-03-24 Denis Chertykov <denisc@overta.ru>
6930 * config/avr/avr-protos.h (extra_constraint): Delete.
6931 (extra_constraint_Q): New declaration.
6932 * config/avr/constraints.md: New file.
6933 * config/avr/avr.md: Include it.
6934 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6935 (TMP_REGNO, ZERO_REGNO): Likewise.
6936 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6937 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6938 (extra_constraint): Delete.
6939 (extra_constraint_Q): Test for memory constraint 'Q'.
6940 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6941 (REG_CLASS_FROM_LETTER): Delete.
6942 (CONST_OK_FOR_LETTER_P): Delete.
6943 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6944 (EXTRA_CONSTRAINT): Delete.
6945 (TMP_REGNO): Delete.
6946 (ZERO_REGNO): Delete.
6948 2006-03-24 Jeff Law <law@redhat.com>
6950 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6951 directly. Call mark_new_vars_to_rename slightly earlier.
6953 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6955 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6957 (gen_compile_unit_die): Use new language types for Objective-C and
6959 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6960 DW_LANG_C_plus_plus.
6963 * config/t-darwin (crt3.o): Work around bug 26840.
6964 * config/darwin-crt3.c: Rewrite.
6965 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6967 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6969 * doc/invoke.texi: Document -femit-class-debug-always
6970 * common.opt: Add -femit-class-debug-always.
6972 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6974 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6975 index and base register.
6976 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6977 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6978 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6979 REGNO_OK_FOR_INDEX_P.
6980 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6982 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6983 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6984 REG_OK_FOR_BASE_P): Definitions removed.
6986 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6989 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6990 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6991 set yet or weren't marked as local yet.
6993 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6995 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6998 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7000 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7001 (rs6000_legitimate_small_data_p): Delete.
7002 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7003 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7004 and make static. Add forward declaration. Update uses.
7005 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7006 of offsettable_memref_p.
7007 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7008 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7010 2006-03-24 Jeff Law <law@redhat.com>
7012 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7013 around bug in immediate-use iterator.
7015 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7018 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7019 or __LITTLE_ENDIAN__.
7021 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7023 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7024 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7025 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7026 * config/sh/sh.opt (mdiv=): Amend description.
7027 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7028 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7029 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7030 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7031 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7032 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7033 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7034 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7035 TARGET_DIVIDE_CALL_FP.
7037 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7039 * haifa-sched.c (choose_ready): Fix type of the local variable.
7040 Move local variables. Add comment.
7041 (check_reg_live): Change signature. Make callable from debugger.
7042 * sched-int.h (check_reg_live): Update signature.
7043 * sched-ebb.c (check_reg_live): Update parameters.
7044 * sched-rgn.c (check_reg_live): Ditto.
7045 (region_head_or_leaf_p): Check pointer before dereferencing.
7046 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7047 before reload on optimization levels below 1.
7049 2006-03-23 Richard Henderson <rth@redhat.com>
7051 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7055 * config/alpha/predicates.md (local_symbolic_operand): Reject
7058 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7061 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7062 expressions which have overflowed constants.
7064 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7066 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7068 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7070 * cfgloopmanip.c (create_loop_notes): Removed.
7071 * final.c (final_scan_insn): Do not handle loop notes.
7072 * jump.c (squeeze_notes): Ditto.
7073 * cfglayout.c (skip_insns_after_block,
7074 duplicate_insn_chain): Ditto.
7075 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7077 * cfgloop.h (create_loop_notes): Declaration removed.
7079 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7081 * varasm.c (output_constant_pool): Restore fnname and fndecl
7083 (assemble_start_function): Adjust call accordingly.
7084 (assemble_end_function): Likewise.
7086 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7089 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7092 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7094 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7097 * system.h (ICE_EXIT_CODE): New macro.
7098 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7099 (diagnostic_action_after_output): Likewise.
7100 * gcc.c (fatal_ice): New function.
7101 (execute): Use it instead of fatal.
7102 (fancy_abort): Likewise.
7103 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7105 2006-03-22 Jeff Law <law@redhat.com>
7107 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7108 iv_analyze_result returning false.
7110 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7112 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7114 2006-03-22 Richard Henderson <rth@redhat.com>
7117 * except.c (duplicate_eh_regions_0): New.
7118 (duplicate_eh_region_1): Duplicate the children of the node as
7119 well as the node itself. Link them up properly.
7120 (duplicate_eh_region_2): Merge into ...
7121 (duplicate_eh_regions): ... here. Take copy_region argument, and
7122 copy only a sub-tree if asked. Simplify copying and fixup.
7123 (eh_region_outer_p): New.
7124 * except.h (duplicate_eh_regions): Update decl.
7125 (eh_region_outer_p): Declare.
7126 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7127 (lower_omp_master): Likewise.
7128 (lower_omp_ordered): Likewise.
7129 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7130 (move_stmt_r): Use it to remap labels. Handle recursion vs
7131 remap_decls_p properly.
7132 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7133 (find_outermost_region_in_block): New.
7134 (new_label_mapper): New.
7135 (move_sese_region_to_fn): Copy eh information to the new function
7137 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7139 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7142 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7144 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7145 into shared libraries.
7147 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7149 * doc/md.texi: Refer to i386/constraints.md instead of
7151 * config/i386/constraints.md: New file, extracted from...
7152 * config/i386/predicates.md: ...here.
7153 * config/i386/i386.md: Include constraints.md.
7155 2006-03-21 Jason Merrill <jason@redhat.com>
7157 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7160 * expr.c (init_block_move_fn): Force default visibility.
7161 (init_block_clear_fn): Likewise.
7162 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7163 * targhooks.c (default_external_stack_protect_fail): Likewise.
7165 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7167 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7168 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7169 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7170 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7171 (loadgp): Use mips_current_loadgp_style.
7172 (loadgp_noshared): New pattern.
7173 (sibcall_internal): Use MIPS_CALL.
7174 (sibcall_value_internal): Likewise.
7175 (sibcall_value_multiple_internal): Likewise.
7176 (call_internal): Likewise.
7177 (call_value_internal): Likewise.
7178 (call_value_multiple_internal): Likewise.
7179 (call_split): Use MIPS_CALL and add an 'S' constraint.
7180 (call_value_split): Likewise.
7181 (call_value_multiple_split): Likewise.
7182 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7183 (-mshared): New option.
7184 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7185 (mips_current_loadgp_style): Declare.
7186 * config/mips/mips.c (mips_classify_symbol): Avoid using
7187 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7188 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7189 TARGET_ABSOLUTE_ABICALLS.
7190 (override_options): Adjust comments. Improve the warning that is
7191 issued when -mabicalls and -G are used together.
7192 (mips_file_start): Remove comment.
7193 (mips_current_loadgp_style): New function.
7194 (mips_gnu_local_gp): New variable.
7195 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7197 (mips_output_function_prologue): Use mips_current_laodgp_style.
7198 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7199 the cprestore instruction.
7200 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7201 live for TARGET_ABSOLUTE_ABICALLS.
7202 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7203 (ASM_SPEC): Pass down -mshared and -mno-shared.
7204 (MIPS_CALL): New macro.
7205 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7207 * doc/invoke.texi (-mabicalls): Update documentation.
7208 (-mshared): Document.
7210 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7212 * config/ia64/unwind-hpux.c: New file.
7213 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7215 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7218 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7220 2006-03-21 Jeff Law <law@redhat.com>
7222 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7223 type conversions of a VR_VARYING source to a wider type.
7225 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7227 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7228 tm_file on Solaris 10 and later.
7229 (sparc64-*-solaris2*): Likewise.
7230 (sparc-*-solaris2*): Likewise.
7231 * config/sol26.h: Rename to config/sol2-6.h.
7232 * config/sol2-10.h: New file.
7234 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7237 * tree-ssa-pre.c (create_component_ref_by_pieces):
7240 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7243 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7244 return it immediately.
7246 2006-03-21 Michael Matz <matz@suse.de>
7248 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7250 (remove_arc, add_arc): Update num_out_arcs member.
7251 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7253 (cache_presence): New function.
7254 (compare_states_for_equiv): New function.
7255 (state_is_differed): Don't take number of outargs, adjust callers.
7256 Use new invariant for speeding up.
7257 (init_equiv_class): Create initial classes based on sorted
7259 (partition_equiv_class): Don't track out_arcs_num.
7260 (evaluate_equiv_classes): Call cache_presence on all states and
7263 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7265 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7266 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7267 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7268 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7270 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7271 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7272 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7273 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7274 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7276 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7277 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7278 (REGNO_REG_CLASS): ARGP is in PREGS.
7279 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7281 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7282 to deal with those addresses.
7283 * addresses.h: New file.
7284 * caller-save.c: Include "addresses.h".
7285 (init_caller_save): Use new base_reg_class function.
7286 * rtl-factoring.c: Include "addresses.h".
7287 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7288 * recog.c: Include "addresses.h".
7289 (preprocess_constraints): Use new base_reg_class function.
7290 * regrename.c: Include "addresses.h".
7291 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7292 functions. Keep track of a new var INDEX_CODE to compute valid
7294 (replace_oldest_value_addr): Likewise.
7295 (replace_oldest_value_mem): Use base_reg_class.
7296 * reload.c: Include "addresses.h".
7297 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7298 (find_reloads): Use new base_reg_class function.
7299 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7300 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7301 all callers and prototype changed.
7302 * reload1.c: Include "addresses.h".
7303 (maybe_fix_stack_asms): Use base_reg_class.
7304 * regclass.c: Include "addresses.h".
7305 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7306 (init_reg_autoinc): Use new base_reg_class function.
7307 (record_reg_classes): Likewise.
7308 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7309 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7310 Use new args to compute necessary class.
7312 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7313 regrename.o, rtl-factoring.o): Update dependencies.
7314 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7315 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7316 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7317 REG_OK_FOR_INDEX_P): Delete documentation.
7319 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7321 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7322 from V7 to V9 for Solaris 7 and above.
7324 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7326 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7327 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7328 argument pointers may not alias any other storage.
7329 * common.opt: Define option -fargument-noalias-anything.
7330 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7331 alias semantics is specified by flag_argument_noalias > 2.
7333 2006-03-20 Jeff Law <law@redhat.com>
7335 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7336 (pass_phi_only_cprop): Declare.
7337 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7339 * tree-ssa-dom.c (degenerate_phi_result): New function.
7340 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7341 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7342 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7343 (eliminate_degenerate_phis): Likewise.
7344 (pass_phi_only_cprop): New pass descriptor.
7345 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7346 support code. Callers updated.
7347 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7348 (store_copy_prop): Likewise.
7349 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7351 2006-03-20 Jason Merrill <jason@redhat.com>
7354 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7355 (push_visibility, pop_visibility): Likewise.
7356 * c-pragma.h: Declare them.
7358 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7360 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7362 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7363 parameter and use get_ebb_head_tail.
7364 (sh_md_init_global): Adjust uses of find_regmode_weight.
7366 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7368 * function.h (struct function) <x_tail_recursion_reentry>:
7369 Rename to x_stack_check_probe_note.
7370 (tail_recursion_reentry): Rename to stack_check_probe_note.
7371 * function.c: Replace tail_recursion_reentry with
7372 stack_check_probe_note everywhere.
7373 (expand_function_start): Only emit a note for
7374 stack_check_probe_note with -fstack-protect.
7375 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7377 * emit-rtl.c (remove_unnecessary_notes): Remove.
7378 (pass_remove_unnecessary_notes): Remove.
7379 * rtl.h (remove_unnecessary_notes): Remove prototype.
7380 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7381 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7382 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7384 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7387 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7388 (valid_in_set): Handle ARRAY_REF.
7389 Change "if min_variant or VH" to asserts.
7390 (create_component_ref_by_pieces): Handle ARRAY_REF.
7391 (create_expression_by_pieces): Likewise.
7392 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7394 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7396 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7397 is operand of switch, not str[0].
7399 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7401 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7402 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7404 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7406 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7407 end of insn_extra_address_constraint declaration.
7409 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7411 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7412 (no-sum-in-toc): Same.
7413 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7415 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7416 NO_FP_IN_TOC for -fPIC instead of mask.
7418 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7419 (BOOT_LDFLAGS): Delete.
7421 * config/rs6000/t-aix52: Same.
7423 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7424 (stmsi[345678]_power): New.
7426 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7428 * config/ia64/ia64.opt: Add empty line to end of file.
7430 2006-03-17 Richard Guenther <rguenther@suse.de>
7433 * builtins.c (get_pointer_alignment): For component style references
7434 adjust alignment to the component type alignment. Make sure
7435 to adjust alignment for component access of constants.
7437 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7439 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7442 2006-03-17 Paul Brook <paul@codesourcery.com>
7444 * doc/install.texi: Docuemnt --with-mode.
7445 * config.gcc: Add --with-mode for arm*-*-*.
7446 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7448 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7450 * sh.c (max_labelno_before_reorg): New variable.
7451 (sh_reorg): Initialize it.
7452 (find_barrier): Check max_labelno_before_reorg before using
7453 label_to_alignment. Take length of explicit alignment insns
7454 into account. When seeing a UNSPECV_CONST_END, return it.
7456 * sh.c (fixup_mova): Set mode of affected label to QImode.
7457 (untangle_mova): New function.
7458 (find_barrier): Use it. Check mode of label before decrementing
7460 (sh_reorg): Likewise.
7461 Set mode of all insns back to VOIDmode.
7463 * sh.c (MOVA_LABELREF): New macro.
7464 (mova_p, fixup_mova, sh_reorg): Use it.
7465 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7466 ADDR_DIFF_VEC matches mova.
7468 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7470 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7471 with ATTRIBUTE_UNUSED.
7473 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7475 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7476 pointer, instead of assuming it is possible to derive the
7477 correct args size from a call insn.
7479 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7481 * rtl.h (CONST_INT_P): Define.
7482 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7483 instead of GET_CODE(x) == CONST_INT.
7484 (vax_rtx_costs): Likewise.
7485 (vax_output_int_move): Likewise.
7486 (vax_output_int_add): Likewise.
7487 (legitimate_constant_address_p): Likewise.
7488 (index_term_p): Likewise.
7489 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7490 * config/vax/vax.md (and<mode>3): Likewise.
7491 (ashrsi3): Likewise.
7493 (movstricthi): Likewise.
7494 (movstrictqi): Likewise.
7495 (rotrsi3): Likewise.
7496 (five unnamed insns): Likewise.
7498 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7500 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7501 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7502 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7503 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7504 Pass to ASM_OUTPUT_DWARF_OFFSET.
7505 * dwarf2out.c (debug_frame_section): New.
7506 (output_call_frame_info): Use debug_frame_section. Pass it to
7507 dw2_asm_output_offset.
7508 (output_die): Pass appropriate section to dw2_asm_output_offset.
7509 (output_compilation_unit_header): Likewise.
7510 (output_pubnames): Likewise.
7511 (output_aranges): Likewise.
7512 (enum dw_val_class): Break dw_val_class_lbl_offset into
7513 dw_val_class_lineptr and dw_val_class_macptr.
7514 (add_AT_lbl_offset): Delete.
7515 (add_AT_lineptr): New.
7516 (add_AT_macptr): New.
7517 (AT_lbl): Expect a lineptr or macptr.
7518 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7519 (attr_checksum): Likewise.
7520 (same_dw_val_p): Likewise.
7521 (size_of_die): Likewise.
7522 (value_format): Likewise.
7523 (output_die): Likewise.
7524 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7526 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7527 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7528 * config/darwin-protos.h (darwin_file_start): New.
7529 (darwin_asm_output_dwarf_offset): New.
7530 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7531 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7533 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7534 if not EH section; simplify.
7535 (darwin_file_start): New.
7536 (darwin_asm_output_dwarf_offset): New.
7537 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7539 (DEBUG_INFO_SECTION): Likewise.
7540 (DEBUG_ABBREV_SECTION): Likewise.
7541 (DEBUG_ARANGES_SECTION): Likewise.
7542 (DEBUG_MACINFO_SECTION): Likewise.
7543 (DEBUG_LINE_SECTION): Likewise.
7544 (DEBUG_LOC_SECTION): Likewise.
7545 (DEBUG_PUBNAMES_SECTION): Likewise.
7546 (DEBUG_STR_SECTION): Likewise.
7547 (DEBUG_RANGES_SECTION): Likewise.
7548 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7549 (ASM_OUTPUT_DWARF_OFFSET): New.
7551 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7553 * config.gcc (tm_defines): Always add to previous value rather
7556 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7558 * config/mips/predicates.md (splittable_const_int_operand): New,
7559 split from move_operand.
7560 (splittable_symbolic_operand): New.
7561 (move_operand): Add commentary. Use splittable_const_int_operand.
7562 Inline mips_atomic_symbolic_constant_p.
7563 * config/mips/mips.md: Add combine splitters for handling moves
7564 of splittable_const_int_operands and splittable_symbolic_operands.
7565 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7566 (mips_split_symbol): Declare.
7567 (mips_move_integer): Declare.
7568 * config/mips/mips.c (mips_split_p): Make global.
7569 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7570 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7571 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7572 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7573 (mips_offset_within_object_p): Handle block symbols.
7574 (mips_atomic_symbolic_constant_p): Delete.
7575 (mips_cannot_force_const_mem): Return false for constants that
7576 mips_legitimize_move can handle.
7577 (mips_use_blocks_for_constant_p): New function.
7578 (mips_split_symbol): Make global.
7579 (mips_move_integer): Likewise. Add a temporary register argument.
7580 (mips_legitimize_const_move): Use splittable_const_int_operand and
7581 splittable_symbolic_operand.
7582 (mips_use_anchors_for_symbol_p): New function.
7583 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7584 (mips_split_p): Declare.
7586 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7588 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7589 (mips*-*-linux*): Likewise.
7591 2006-03-16 Roger Sayle <roger@eyesopen.com>
7592 Daniel Speyer <dspeyer@wam.umd.edu>
7595 * tree-dump.c (dump_real): New function.
7596 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7597 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7598 (tree-dump.o): Add $(REAL_H) to the dependencies.
7600 2006-03-16 Roger Sayle <roger@eyesopen.com>
7603 * real.c (real_from_string): If the mantissa is zero, don't bother
7604 parsing the exponent as the result should always be zero.
7606 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7608 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7610 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7612 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7613 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7614 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7615 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7616 ia64_sched_finish_global): New static functions to implement
7617 hooks from gcc_target.sched.
7618 (spec_check_no, max_uid, pending_data_specs): New static variables.
7619 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7620 ia64_spec_check_src_p): New static functions.
7621 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7622 (TARGET_SCHED_ADJUST_COST): Removed.
7623 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7624 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7625 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7626 TARGET_SCHED_GEN_CHECK,
7627 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7628 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7629 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7630 Fixed to handle speculation checks.
7631 (rtx_needs_barrier): Fixed to handle speculative loads and
7633 (ia64_variable_issue): Added code to count speculative loads and their
7635 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7637 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7639 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7641 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7642 (ia64_reorg): Reset stops_p to NULL after it is freed.
7643 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7644 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7645 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7647 (data_speculative, control_speculative, check_load): New attributes.
7648 (mov<mode>_advanced, mov<mode>_speculative,
7649 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7650 zero_extend<mode>di2_speculative,
7651 zero_extend<mode>di2_speculative_advanced): New patterns for
7652 data and control speculative loads.
7653 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7655 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7656 New pattern for data and control speculation checks.
7657 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7658 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7659 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7660 Auxiliary definitions for the patterns.
7661 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7662 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7664 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7666 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7667 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7668 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7669 New resource constraints.
7670 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7672 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7673 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7674 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7675 msched-in-control-spec, msched-ldc, msched-control-ldc,
7676 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7677 msched-prefer-non-control-spec-insns,
7678 msched-count-spec-in-critical-path): New flags to tune speculative
7680 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7681 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7682 msched-in-control-spec, msched-ldc, msched-control-ldc,
7683 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7684 msched-prefer-non-control-spec-insns,
7685 msched-count-spec-in-critical-path): Document new flags.
7687 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7689 * target.h (struct spec_info_def): New opaque declaration.
7690 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7691 speculate_insn, needs_block_p, gen_check,
7692 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7693 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7694 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7695 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7696 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7697 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7699 (TARGET_SCHED): Use new macros.
7700 * rtl.h (copy_DEPS_LIST_list): New prototype.
7701 * sched-int.h (struct sched_info): Change signature of new_ready field,
7702 adjust all initializations. New fields: add_remove_insn,
7703 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7704 region_head_or_leaf_p.
7705 (struct spec_info_def): New structure declaration.
7706 (spec_info_t): New typedef.
7707 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7708 recovery_block, orig_pat.
7709 (glat_start, glat_end): New variables declaraions.
7710 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7712 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7713 DETACH_LIFE_INFO, USE_GLAT.
7714 (enum SPEC_SCHED_FLAGS): New enumeration.
7715 (NOTE_NOTE_BB_P): New macro.
7716 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7717 attach_life_info, debug_spec_status, check_reg_live): New functions.
7718 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7719 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7721 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7722 * ddg.c (get_block_head_tail): Adjust all uses.
7723 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7724 (sms_sched_info): Initialize new fields.
7725 (contributes_to_priority): Removed.
7726 * haifa-sched.c (params.h): New include.
7727 (get_block_head_tail): Adjust all uses.
7728 (ISSUE_POINTS): New macro.
7729 (glat_start, glat_end): New global variables.
7730 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7731 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7732 old_last_basic_block, before_recovery, current_sched_info_var,
7733 rgn_n_insns, luid): New static variables.
7734 (insn_cost1): New function. Move logic from insn_cost to here.
7735 (find_insn_reg_weight1): New function. Move logic from
7736 find_insn_reg_weight to here.
7737 (reemit_notes, move_insn, max_issue): Change signature.
7738 (move_insn1): Removed.
7739 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7740 extend_bb): New static functions to support extension of scheduler's
7742 (generate_recovery_code, process_insn_depend_be_in_spec,
7743 begin_speculative_block, add_to_speculative_block,
7744 init_before_recovery, create_recovery_block, create_check_block_twin,
7745 fix_recovery_deps): New static functions to support
7746 generation of recovery code.
7747 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7748 restore_bb_notes, move_block_after_check, move_succs): New static
7749 functions to support ebb scheduling.
7750 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7751 functions to support handling of register live information.
7752 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7753 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7754 add_jump_dependencies): New static functions.
7755 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7756 consistancy checking.
7757 (debug_spec_status): New function to call from debugger.
7758 (priority): Added code to handle speculation checks.
7759 (rank_for_schedule): Added code to distinguish speculative instructions.
7760 (schedule_insn): Added code to handle speculation checks.
7761 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7762 Fixed to handle ebbs.
7763 (move_insn): Added code to handle ebb scheduling.
7764 (max_issue): Added code to use ISSUE_POINTS of instructions.
7765 (choose_ready): Added code to choose between speculative and
7766 non-speculative instructions.
7767 (schedule_block): Added code to handle ebb scheduling and scheduling of
7768 speculative instructions.
7769 (sched_init): Initialize new variables.
7770 (sched_finish): Free new variables. Print statistics.
7771 (try_ready): Added code to handle speculative instructions.
7772 * lists.c (copy_DEPS_LIST_list): New function.
7773 * sched-deps.c (extend_dependency_caches): New function. Move logic
7774 from create_dependency_caches to here.
7775 (get_dep_weak, ds_merge): Make global.
7776 * genattr.c (main): Code to output prototype for
7777 dfa_clear_single_insn_cache.
7778 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7779 (output_dfa_clean_insn_cache_func): Code to output
7780 dfa_clear_single_insn_cache function.
7781 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7783 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7785 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7786 New static variables.
7787 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7788 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7790 (ebb_sched_info): Initialize new fields.
7791 (get_block_head_tail): Adjust all uses.
7792 (compute_jump_reg_dependencies): Fixed to use glat_start.
7793 (schedule_ebb): Code to remove unreachable last block.
7794 (schedule_ebbs): Added code to update register live information.
7795 * sched-rgn.c (region_sched_info): Initialize new fields.
7796 (get_block_head_tail): Adjust all uses.
7797 (last_was_jump): Removed. Adjust users.
7798 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7799 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7800 Implement new hooks.
7801 (check_dead_notes1): New static function.
7802 (struct region): New fields: dont_calc_deps, has_real_ebb.
7803 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7804 (BB_TO_BLOCK): Fixed to handle EBBs.
7805 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7806 (ebb_head): New static variable.
7807 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7808 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7810 (compute_dom_prob_ps): New assertion.
7811 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7812 global_live_at_start.
7813 (init_ready_list): New assertions.
7814 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7815 (new_ready): Add support for BEGIN_CONTROL speculation.
7816 (schedule_insns): Fixed code that updates register live information
7818 (schedule_region): Fixed to handle EBBs.
7819 (init_regions): Use extend_regions and check_dead_notes1.
7820 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7821 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7822 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7823 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7824 TARGET_SCHED_GEN_CHECK,
7825 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7826 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7827 * doc/invoke.texi (max-sched-insn-conflict-delay,
7828 sched-spec-prob-cutoff): Document.
7830 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7832 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7833 inter_tick, queue_index.
7834 (struct sched_info): Change signature of init_ready_list field.
7835 Adjust all initializations.
7836 (RESOLVED_DEPS): New access macro.
7837 (ready_add): Remove prototype.
7838 (try_ready): Add prototype.
7839 * sched-rgn.c (init_ready_list): Use try_ready.
7840 (schedule_region): Initialize
7841 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7842 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7843 (init_ready_list): Use try_ready.
7844 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7845 * lists.c (remove_list_elem): Remove `static'.
7846 (remove_free_INSN_LIST_elem): New function.
7847 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7848 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7849 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7851 (readyp): New variable.
7852 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7853 change_queue_index, resolve_dep): New static functions.
7854 (try_ready): New function. Adjust callers in sched-rgn.c and
7855 sched-ebb.c to use it instead of ready_add.
7856 (clock_var): Move at the begining of file.
7857 (rank_for_schedule): Fix typo.
7858 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7859 (ready_lastpos): Enforce assertion.
7860 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7862 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7863 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7864 (queue_to_ready): Use free_INSN_LIST_list.
7865 (early_queue_to_ready): Fix typo.
7866 (schedule_block): Init readyp. Move init_ready_list call after the
7867 initialization of clock_var. Fix error in rejecting insn by
7868 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7869 that previously corrected INSN_TICKs. Add code for handling
7871 (set_priorities): Fix typo.
7872 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7873 Clarify comment and code that keeps current_sched_info->next_tail
7876 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7878 * sched-rgn.c (extend_rgns): New static function.
7879 (find_rgns): Use it.
7880 (gather_region_statistics, print_region_statistics): New static
7882 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7883 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7885 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7886 Andrey Belevantsev <abel@ispras.ru>
7888 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7889 * lists.c (unused_deps_list): New variable.
7890 (free_list): Add assertions to verify the proper distinguishing
7891 between INSN_LISTs and DEPS_LISTs.
7892 (find_list_elem, remove_list_elem, remove_list_node): New static
7894 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7895 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7896 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7897 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7899 (free_INSN_LIST_node): Likewise.
7900 * modulo-sched.c (current_sched_info): Initialize flags field.
7901 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7902 * rtl.def (DEPS_LIST): Define.
7903 * rtl.h: Declare new functions from lists.c.
7904 * sched-deps.c (spec_dependency_cache): New static variable.
7905 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7906 (add_dependence): Change return type to void. Move the logic to ...
7907 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7908 (delete_all_dependences): Add comment about forward_dependency_cache.
7909 Handle spec_dependency_cache. Handle DEPS_LISTs.
7910 (fixup_sched_groups): Clarify the change of priority of output
7911 and anti dependencies.
7912 (sched_analyze_2): Adjust add_dependence calls to create data
7913 speculative dependence.
7914 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7915 Adjust all callers. Handle DEPS_LISTS.
7916 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7917 presence of speculation.
7918 (init_dependency_caches, free_dependency_caches):
7919 Handle spec_dependency_cache.
7920 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7921 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7922 New static functions.
7923 (add_or_update_back_dep, add_or_update_back_forw_dep,
7924 add_back_forw_dep, delete_back_forw_dep): New functions.
7925 * sched-int.h (ds_t, dw_t): New typedefs.
7926 (struct sched_info): Add new field flags.
7927 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7928 Prototype new sched-deps.c functions.
7929 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7930 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7931 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7932 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7933 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7934 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7936 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7938 * sched-rgn.c (current_sched_info): Initialize flags field.
7939 (schedule_insns): Initialize current_sched_info before the sched_init
7941 * sched-ebb.c (current_sched_info): Initialize flags field.
7942 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7943 Call add_or_update_back_dep instead of add_dependence.
7944 Create control speculative dependencies.
7945 (schedule_insns): Initialize current_sched_info before the sched_init
7948 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7950 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7952 (sh_fallback_frame_state): Likewise.
7954 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7956 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7957 Do switch on default_use_cxa_atexit.
7958 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7959 * config/darwin-crt3.o: New.
7960 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7961 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7962 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7964 * config/rs6000/t-darwin: Move crt2.o building to here.
7965 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7966 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7969 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7971 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7972 from '! xxx' to '!xxx' for coding-style conformance.
7973 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7974 (EXTRA_CONSTRAINT): Likewise.
7975 * config/vax/vax.md (four unnamed insns): Likewise.
7977 2006-03-15 Paul Brook <paul@codesourcery.com>
7979 * config/arm/arm.c (minipool_pad): New.
7980 (add_minipool_forward_ref): Include pool alignment padding in address
7982 (push_minipool_fix): Set minipool_pad.
7983 (minipool_pad): Ditto.
7985 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7987 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7988 instead of GET_CODE() == MEM and REG_P() instead of
7990 (print_operand_address): Likewise.
7991 (vax_address_cost): Likewise.
7992 (vax_rtx_costs): Likewise.
7993 (vax_notice_update_cc): Likewise.
7994 (vax_output_int_add): Likewise.
7995 (INDEX_REGISTER_P): Likewise.
7996 (BASE_REGISTER_P): Likewise.
7997 (nonindexed_address_p): Likewise.
7998 (vax_mode_dependent_address_p): Likewise.
7999 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8000 (PRINT_OPERAND): Likewise.
8001 * config/vax/vax.md (ashlsi3): Likewise.
8002 (ashlsi3): Likewise.
8003 (some more unnamed insns): Likewise.
8005 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8007 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8008 iterator-style macro.
8009 (mark_control_dependent_edges_necessary): Update the use of
8010 EXECUTE_IF_CONTROL_DEPENDENT.
8012 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8014 * config/sh/predicates.md (cache_address_operand): Special.
8015 (ua_address_operand): Likewise.
8017 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8019 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8021 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8023 2006-03-15 Andreas Schwab <schwab@suse.de>
8025 * gensupport.c (identify_predicable_attribute): Don't free p_false
8026 when it is still in use.
8028 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8030 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8031 the default setting here.
8033 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8035 * tree-pass.h (pass_cfg): Remove.
8036 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8037 * passes.c (pass_cfg): Don't run it.
8039 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8041 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8042 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8044 (stack_regs_mentioned): Update the uses of
8045 stack_regs_mentioned_data. Don't access the array beyond its
8047 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8048 Don't include gt-reg-stack.h.
8050 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8051 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8053 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8056 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8059 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8061 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8063 2006-03-14 Richard Guenther <rguenther@suse.de>
8065 PR tree-optimization/26672
8066 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8069 2006-03-14 Richard Guenther <rguenther@suse.de>
8071 PR tree-optimization/26667
8072 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8073 node for the callees. Always allow inlining if it will shrink
8076 2006-03-14 Richard Guenther <rguenther@suse.de>
8079 * builtins.c (get_pointer_alignment): Prefer alignment
8080 information from decls over that from types.
8082 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8085 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8087 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8089 * config/rs6000/rs6000.opt (mdlmzb): New option.
8090 (msched-prolog, msched-epilog): Use Var not Mask.
8091 * doc/invoke.texi (-mdlmzb): Document.
8092 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8094 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8095 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8097 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8099 PR rtl-optimization/25739
8100 * bt-load.c (augment_live_range): Free tos pointer.
8102 * gensupport.c (identify_predicable_attribute): Free
8104 * gcov.c (create_file_names): Free name pointer.
8106 2006-03-13 Roger Sayle <roger@eyesopen.com>
8109 * stmt.c (emit_case_nodes): Handle the case where the index is a
8110 CONST_INT, where the comparison mode is specified by the index type.
8112 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8114 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8117 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8119 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8120 (*branch_fp_inverted): Likewise.
8122 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8125 * omp-low.c (expand_omp_for_generic): Mark istart0
8126 and iend0 as addressable.
8128 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8130 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8132 2006-03-13 Jeff Law <law@redhat.com>
8134 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8135 virtual operands are interesting.
8136 (vrp_visit_stmt): Corresponding changes.
8138 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8140 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8142 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8143 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8144 * config/bfin/crti.S: Use it instead of __PIC__.
8145 * config/bfin/crtn.S: Likewise.
8147 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8148 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8150 Lose 'G' modifier for call operand.
8151 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8152 recognize 'G' modifier.
8154 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8157 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8158 * stmt.c (expand_case): Likewise.
8160 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8162 PR rtl-optimization/26254
8163 * loop-invariant.c (seq_insns_valid_p): New function.
8164 (move_invariant_reg): Only emit new code if it is valid.
8166 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8168 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8170 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8171 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8172 (commit_one_edge_insertion): Do not look for loop notes.
8174 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8176 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8177 flag_test_coverage out of loop.
8179 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8181 * final.c (shorten_branches): Remove outdated comment, and turn
8182 the if branch that guards it to continue.
8184 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8186 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8187 * cfgloop.h (struct loop): Remove unused fields.
8189 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8191 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8192 (-dL, -fdump-rtl-loop2): Update the dump file names
8194 * doc/invoke.texi: Update dump file names.
8196 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8198 * predict.c (estimate_probability): Remove.
8199 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8200 * basic-block.h (estimate_probability): Remove prototype.
8201 * passes.c (finish_optimization_passes): Dump branch prediction or
8202 profiling heuristics to the .profile tree dump.
8203 (init_optimization_passes): Unqueue pass_branch_prob.
8205 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8207 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8209 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8210 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8212 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8214 * function.h (frame_offset_overflow): Declare.
8215 * function.c (frame_offset_overflow): New function.
8216 (assign_stack_local_1): Call it to detect that the offset overflows.
8217 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8219 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8221 * config/sh/sh.c: Include alloc-pool.h.
8222 (label_ref_list_pool): New alloc pool.
8223 (label_ref_list_t): New type for lists of labels.
8224 (struct pool_node): Make wend a label_ref_list_t.
8225 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8227 (dump_table): Likewise.
8228 (sh_reorg): Set up the alloc pool before using add_constant and
8229 dump_table, and destroy it when finishing.
8231 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8233 * config/mips/mips.c: Remove redundant comment.
8235 2006-03-10 Jason Merrill <jason@redhat.com>
8238 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8239 the target was declared 'register'.
8241 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8243 * genpreds.c (write_insn_constraint_len): Change definition of
8244 insn_constraint_len to return size_t to match the declaration.
8246 2006-03-10 DJ Delorie <dj@redhat.com>
8248 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8250 (m32c_expand_insv): Fix test for an AND mask.
8252 2006-03-10 Richard Guenther <rguenther@suse.de>
8255 * builtins.c (get_pointer_alignment): Handle component
8256 references for field alignment.
8258 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8260 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8261 when building with libgloss.
8262 (sh*elf): Implement --without-fp option.
8263 (sh64-superh-linux*): Don't multilib.
8265 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8267 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8269 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8271 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8272 Set it when one of the replacement functions returned true.
8273 Return TODO_cleanup_cfg if cfgchanged is true.
8274 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8276 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8278 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8279 instead of gen_lowpart.
8281 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8283 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8285 (mips_output_order_conditional_branch): Declare.
8286 * config/mips/mips.h (MIPS_BRANCH): New macro.
8287 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8288 for the comparison. Use gen_condjump.
8289 (mips_output_conditional_branch): Rework interface to take the
8290 asm templates for a direct branch and the inverse of a direct branch.
8291 (mips_output_order_conditional_branch): New function.
8292 (mips_builtin_branch_and_move): New function.
8293 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8294 branch condition. Use gen_single_cc as the condition for
8295 __builtin_mips_upper_* or __builtin_mips_lower_*.
8296 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8297 Use VOIDmode for the branch condition.
8298 * config/mips/predicates.md (order_operator): New predicate.
8299 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8300 (branch_fp): Rename to...
8301 (*branch_fp): ...this. Remove mode from comparison operator.
8302 Use new mips_output_conditional_branch interface.
8303 (branch_fp_inverted): Rename to...
8304 (*branch_fp_inverted): ...this and update as for *branch_fp.
8305 (*branch_zero<mode>): Rename to...
8306 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8307 Use mips_output_order_conditional_branch. Only accept ordered
8309 (*branch_zero<mode>_inverted): Rename to...
8310 (*branch_order<mode>_inverted): ...this and update as for
8311 *branch_order<mode>.
8312 (*branch_equality<mode>): Accept zero as the second operand to
8313 the equality operator. Use the new mips_output_conditional_branch
8315 (*branch_equality<mode>_inverted): Likewise.
8316 (condjump): New expander.
8317 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8319 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8320 (bc1any2t, bc1any2f): Likewise.
8321 (single_cc): New expander.
8322 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8324 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8326 * doc/md.texi: Update documentation of MIPS constraints.
8327 * config/mips/constraints.md: New file.
8328 * config/mips/mips.md: Include it.
8329 * config/mips/mips.c (mips_char_to_class): Delete.
8330 (override_options): Don't initialize mips_char_to_class.
8331 * config/mips/mips.h (mips_char_to_class): Delete.
8332 (REG_CLASS_FROM_LETTER): Delete.
8333 (CONST_OK_FOR_LETTER_P): Delete.
8334 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8335 (EXTRA_CONSTRAINT_Y): Delete.
8336 (EXTRA_CONSTRAINT_STR): Delete.
8337 (CONSTRAINT_LEN): Delete.
8338 (EXTRA_MEMORY_CONSTRAINT): Delete.
8340 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8342 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8343 original fn's eh regions.
8345 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8347 * fold-const.c (build_range_check): Make sure to use a valid type to
8348 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8351 (range_predecessor): New static function.
8352 (range_successor): Likewise.
8353 (merge_ranges): Use them to compute predecessors and successors of
8356 2006-03-09 Roger Sayle <roger@eyesopen.com>
8359 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8360 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8362 2006-03-08 DJ Delorie <dj@redhat.com>
8364 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8365 (addpsi3): Expand to include memory operands. Remove
8366 reload-specific splits.
8367 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8368 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8369 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8370 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8371 (shift1_qi, shift1_hi, insv): New.
8372 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8373 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8374 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8376 * config/m32c/m32c-protos.h: Update as needed.
8377 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8378 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8379 Fail for unrecognized R* constraints.
8380 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8381 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8382 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8384 (m32c_init_libfuncs): New.
8385 (m32c_legitimate_address_p): Add debug wrapper.
8386 (m32c_rtx_costs): New.
8387 (m32c_address_cost): New.
8388 (conversions): Add 'B' prefix.
8389 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8390 operands, or word regnames for QI operands. 'B' prints bit
8392 (m32c_expand_setmemhi): New.
8393 (m32c_expand_movmemhi): New.
8394 (m32c_expand_movstr): New.
8395 (m32c_expand_cmpstr): New.
8396 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8397 (m32c_expand_neg_mulpsi3): Handle non-ints.
8398 (m32c_cmp_flg_0): New.
8399 (m32c_expand_movcc): New.
8400 (m32c_expand_insv): New.
8401 (m32c_scc_pattern): New.
8402 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8403 a0/a1 out of SIregs.
8404 (STORE_FLAG_VALUE): New.
8405 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8408 * config/m32c/mov.md: Make constraints more liberal.
8409 (zero_extendqihi2): Optimize r0/r1 case.
8410 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8411 * config/m32c/predicates.md (m32c_any_operand): New.
8412 (m32c_nonimmediate_operand): New.
8413 (m32c_hl_operand): New.
8414 (m32c_r3_operand): New.
8417 (memsym_operand): New.
8418 (memimmed_operand): New.
8419 (a_qi_operand): New.
8420 (m32c_eqne_operator): New.
8421 (m32c_1bit8_operand): New.
8422 (m32c_1bit16_operand): New.
8423 (m32c_1mask8_operand): New.
8424 (m32c_1mask16_operand): New.
8425 * config/m32c/blkmov.md: New file.
8426 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8428 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8430 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8431 unsigned to fix signed/unsigned comparison issue in
8432 DWARF2_FRAME_REG_OUT.
8433 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8434 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8436 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8437 of ptr into the ENABLE_CHECKING section.
8439 2006-03-08 Jeff Law <law@redhat.com>
8441 * tree-vrp.c (infer_value_range): Only count pointer uses
8442 and dereferences if -fdelete-null-pointer-checks is enabled.
8444 * tree-vrp.c (find_assert_locations): Infer value ranges for
8445 single use pointers, but do not create ASSERT_EXPRs for them.
8446 When a non-null range is inferred for a pointer, backwards
8447 propagate that range to other equivalent pointers through the
8450 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8453 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8454 language hook targets.
8455 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8456 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8457 if language hook targets were missing.
8459 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8461 * tree-ssa-opfinalize.h: Removed.
8462 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8464 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8465 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8466 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8467 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8468 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8469 finalize_ssa_v_must_def_ops): New.
8471 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8473 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8476 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8478 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8480 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8481 addresses with offsets; reorganize.
8483 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8484 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8485 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8487 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8490 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8492 2006-03-08 Ben Elliston <bje@au.ibm.com>
8494 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8496 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8499 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8502 2006-03-07 Richard Guenther <rguenther@suse.de>
8504 PR tree-optimization/26587
8505 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8507 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8509 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8511 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8513 * hooks.c (hook_bool_mode_rtx_true): New function.
8514 * hooks.h (hook_bool_mode_rtx_true): Declare.
8515 * toplev.c (compile_file): Call output_shared_constant_pool.
8516 * varasm.c (shared_constant_pool): New variable.
8517 (assemble_start_function, assemble_end_function): Remove arguments
8518 from call to output_constant_pool.
8519 (create_constant_pool): New function, split out from...
8520 (init_varasm_status): ...here.
8521 (force_const_mem): Choose between the shared and per-function constant
8522 pools. Set current_function_uses_const_pool when reusing old entries
8523 as well as when creating new ones.
8524 (mark_constant): Ignore data argument.
8525 (mark_constants): Remove pool argument.
8526 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8527 to decide whether the function uses a constant pool.
8528 (output_constant_pool_contents): New function, split out from...
8529 (output_constant_pool): ...here.
8530 (output_shared_constant_pool): New function.
8531 (init_varasm_once): Initialize shared_constant_pool.
8532 * output.h (output_constant_pool): Delete.
8533 (output_shared_constant_pool): Declare.
8534 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8535 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8537 2006-03-06 Nick Clifton <nickc@redhat.com>
8539 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8540 flag_strength_reduce.
8542 2006-03-06 Ben Elliston <bje@au.ibm.com>
8544 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8545 x86_64-*-linux* configurations.
8547 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8548 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8550 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8552 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8554 * basic-block.h: Remove the extern for
8555 rediscover_loops_after_threading.
8557 * cfgloop.c (cancel_loop): Make it static.
8558 * cfgloop.h: Remove the prototype for cancel_loop.
8560 * flow.c (recompute_reg_usage): Make it static.
8561 * rtl.h: Remove the prototype for recompute_reg_usage.
8563 * function.c (use_return_register): Make it static.
8564 * function.h: Remove the prototype.
8566 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8568 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8570 * recog.h: Remove the prototype for
8571 validate_change_maybe_volatile.
8573 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8575 * rtlanal.c (replace_reg): Remove.
8576 * rtl.h: Remove the prototype for replace_reg.
8578 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8580 * regclass.c (reg_scan_update): Remove.
8581 (reg_scan_mark_refs): Remove the last argument.
8582 * rtl.h: Remove the prototype for reg_scan_update.
8584 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8586 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8587 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8588 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8589 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8590 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8591 loop-invariant.c, omp-low.c, opts.c, passes.c,
8592 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8593 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8594 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8595 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8596 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8597 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8599 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8601 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8602 * dwarf2out.h: Remove the prototype for
8603 dwarf2out_add_library_unit_info.
8605 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8607 * tree.c (add_var_to_bind_expr): Remove.
8608 * tree.h: Remove the prototype for add_var_to_bind_expr.
8610 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8612 * regclass.c (n_non_fixed_regs): Remove.
8613 (init_reg_sets_1, globalize_reg): Remove all uses of
8615 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8617 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8619 * rtlanal.c (insns_safe_to_move_p): Remove.
8620 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8622 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8624 * expmed.c (expand_mult_add): Remove.
8625 * expr.h: Remove the prototype for expand_mult_add.
8627 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8629 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8630 and REG_SAVED_VAL_EXP constants.
8631 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8632 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8633 Handle regs stored by value.
8634 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8635 (execute_cfa_program): Handle DW_CFA_val_offset,
8636 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8637 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8638 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8639 (uw_install_context_1): Handle target regs stored by value.
8641 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8643 * tree-sra.c (tree_sra): Return todoflags;
8644 (generate_one_element): Set TODO_update_smt_usage if needed.
8645 (pass_sra): Remove TODO_update_smt_usage.
8646 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8648 (tree_ssa_forward_propagate_single_use_vars): Return
8649 TODO_update_smt_usage if we need to update SMT usage.
8650 (pass_forwprop): Remove TODO_update_smt_usage.
8652 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8654 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8655 (correct_use_link): Remove reference to get_stmt_operands.
8656 (update_stmt_operands): Likewise.
8657 (get_modify_expr_operands): New function factored out of
8658 parse_ssa_operands and get_expr_operands.
8659 Try to create V_MUST_DEFs for LHS by default.
8660 (get_expr_operands) <case MODIFY_EXPR>: Call
8661 get_modify_expr_operands.
8662 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8663 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8664 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8665 get_modify_expr_operands.
8667 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8669 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8670 * tree-flow.h: Remove the prototype for
8671 referenced_var_lookup_if_exists.
8673 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8675 PR rtl-optimization/26345
8677 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8679 2006-03-03 Roger Sayle <roger@eyesopen.com>
8681 PR tree-optimization/26524
8682 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8683 fold_convert to create a constant of the appropriate type.
8685 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8687 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8688 SYMBOL_REF_IN_BLOCK_P.
8689 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8690 of SYMBOL_FLAG_IN_BLOCK.
8691 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8692 instead of SYMBOL_REF_IN_BLOCK_P.
8693 * explow.c (use_anchored_address): Likewise.
8694 * rtl.c (rtx_size): Likewise.
8695 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8696 instead of SYMBOL_FLAG_IN_BLOCK.
8697 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8698 SYMBOL_REF_IN_BLOCK_P.
8699 (assemble_variable): Likewise.
8700 (output_constant_def_contents): Likewise.
8701 (output_constant_pool): Likewise.
8702 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8703 instead of SYMBOL_FLAG_IN_BLOCK.
8704 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8705 SYMBOL_REF_IN_BLOCK_P.
8706 (SYMBOL_REF_BLOCK): Likewise.
8707 (SYMBOL_REF_OFFSET): Likewise.
8708 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8709 SYMBOL_REF_IN_BLOCK_P.
8710 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8711 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8712 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8713 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8715 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8717 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8719 2006-03-02 Roger Sayle <roger@eyesopen.com>
8721 * simplify-rtx.c (simplify_unary_operation): When simplifying
8722 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8723 that we perform the right shift in the appropriate mode, and
8724 then extend or truncate the result to requested mode.
8726 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8728 * gengtype.c (main): Handle double_int type.
8729 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8730 * double-int.c: New file.
8731 * double-int.h: New file.
8732 * system.h: Include doubleint.h.
8733 * Makefile.in (SYSTEM_H): Include double-int.h.
8734 (double-int.o): Add.
8736 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8739 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8742 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8744 * tree-vrp.c (remove_range_assertions): Do not update statements
8747 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8749 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8751 * gcse.c (rest_of_handle_gcse): Ditto.
8752 * except.c (gate_handle_eh): Ditto.
8753 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8754 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8756 2006-03-02 Eric Christopher <echristo@apple.com>
8758 * config/i386/i386.c (machopic_output_stub): Add indirection to
8761 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8765 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8767 Sun Niagara specific optimizations.
8768 * config.gcc: Recognize niagara as target.
8769 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8770 (TARGET_CPU_niagara): Define.
8771 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8772 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8773 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8774 (ASM_CPU_SPEC): Likewise.
8775 (PROCESSOR_NIAGARA): New enum entry.
8776 (REGISTER_MOVE_COST): Handle Niagara.
8777 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8778 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8779 (sparc_override_options): Recognize "niagara", set appropriate
8780 default MASK_* values for it, and align functions to 32-bytes
8781 by default just like ULTRASPARC/ULTRASPARC3.
8782 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8783 (sparc64_initialize_trampoline): Likewise.
8784 (sparc_use_sched_lookahead): Use zero for niagara.
8785 (sparc_issue_rate): Use one for niagara.
8786 * config/sparc/niagara.md: New file.
8787 * config/sparc/sparc.md: Include it.
8788 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8789 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8790 when default cpu is niagara.
8791 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8792 (ASM_CPU_SPEC): Likewise.
8793 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8794 when default cpu is niagara.
8795 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8796 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8797 just like v9/ultrasparc/ultrasparc3.
8798 * doc/invoke.texi: Add documentation for "niagara" and improve
8799 existing documentation for ultrasparc variants.
8801 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8803 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8805 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8807 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8808 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8809 and say that only one is needed.
8810 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8811 * target.h (have_switchable_bss_sections): New hook.
8812 * explow.c (use_anchored_address): Check that the symbol is in a block.
8813 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8814 (bss_noswitch_section): New variables.
8815 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8816 (get_noswitch_section): New function.
8817 (get_block_for_section): Allow SECT to be null.
8818 (unlikely_text_section_p): Use SECTION_STYLE.
8819 (bss_initializer_p): New function.
8820 (get_variable_section): Move earlier in file. Take a new argument,
8821 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8822 Return one of the new *_sections in such cases.
8823 (get_block_for_decl): New function, extracting some logic from
8824 use_blocks_for_decl_p.
8825 (change_symbol_section): Remove in favor of...
8826 (change_symbol_block): ...this new function.
8827 (use_blocks_for_decl_p): Remove checks now performed by
8829 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8830 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8831 (emit_local, emit_bss, emit_common): ...these new functions.
8832 Return true if the alignment was honored.
8833 (emit_tls_common): New function.
8834 (asm_emit_uninitialised): Delete.
8835 (assemble_variable_noswitch): New function, split out from...
8836 (assemble_variable): ...here. Don't make decisions about common
8837 variables here. Globalize all public decls that go into non-common
8838 sections. Check whether SYMBOL_REF_BLOCK is null.
8839 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8840 (output_constant_pool): Likewise.
8841 (init_varasm_once): Initialize the new section variables.
8842 (have_global_bss_p): New function.
8843 (categorize_decl_for_section): Use bss_initializer_p.
8844 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8845 (place_block_symbol): Assert that the symbol must be in a block.
8846 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8847 (TARGET_INITIALIZER): Include it.
8848 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8849 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8850 (SECTION_MACH_DEP): Bump by two.
8851 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8852 (unnamed_section): Mention SECTION_UNNAMED in comment.
8853 (named_section): Likewise SECTION_NAMED.
8854 (noswitch_section_callback): New type.
8855 (noswitch_section): New structure.
8856 (section): Add a noswitch_section alternative.
8857 (SECTION_STYLE): New macro.
8858 (tls_comm_section, comm_section, lcomm_section): Declare.
8859 (bss_noswitch_section, have_global_bss_p): Declare.
8860 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8861 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8863 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8864 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8867 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8869 * tree-vrp.c (execute_vrp): Return value.
8870 * regrename.c (rest_of_handle_regrename): Ditto.
8871 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8872 * tree-complex.c (tree_lower_complex): Ditto.
8873 (tree_lower_complex_O0): Ditto.
8874 * tracer.c (rest_of_handle_tracer): Ditto.
8875 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8876 * postreload.c (rest_of_handle_postreload): Ditto.
8877 * tree-tailcall.c (execute_tail_recursion): Ditto.
8878 (execute_tail_calls): Ditto.
8879 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8880 * tree.h (init_function_for_compilation): Ditto.
8881 * ipa-cp.c (ipcp_driver): Ditto.
8882 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8883 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8884 * final.c (compute_alignments): Ditto.
8885 (rest_of_handle_final): Ditto.
8886 (rest_of_handle_shorten_branches): Ditto.
8887 (rest_of_clean_state): Ditto.
8888 * omp-low.c (execute_expand_omp): Ditto.
8889 (execute_lower_omp): Ditto.
8890 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8891 * ipa-reference.c (static_execute): Ditto.
8892 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8893 * reorg.c (rest_of_handle_delay_slots): Ditto.
8894 (rest_of_handle_machine_reorg): Ditto.
8895 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8896 * flow.c (recompute_reg_usage): Ditto.
8897 (rest_of_handle_remove_death_notes): Ditto.
8898 (rest_of_handle_life): Ditto.
8899 (rest_of_handle_flow2): Ditto.
8900 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8901 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8902 (do_ssa_store_ccp): Ditto.
8903 (execute_fold_all_builtins): Ditto.
8904 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8905 * modulo-sched.c (rest_of_handle_sms): Ditto.
8906 * ipa-pure-const.c (static_execute): Ditto.
8907 * cse.c (rest_of_handle_cse): Ditto.
8908 (rest_of_handle_cse2): Ditto.
8909 * web.c (rest_of_handle_web): Ditto.
8910 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8911 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8912 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8913 * tree-nrv.c (tree_nrv): Ditto.
8914 (execute_return_slot_opt): Ditto.
8915 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8916 (create_structure_vars): Ditto.
8917 * loop-init.c (rtl_loop_init): Ditto.
8918 (rtl_loop_done): Ditto.
8919 (rtl_move_loop_invariants): Ditto.
8920 (rtl_unswitch): Ditto.
8921 (rtl_unroll_and_peel_loops): Ditto.
8922 (rtl_doloop): Ditto.
8923 * gimple-low.c (lower_function_body): Ditto.
8924 (mark_used_blocks): Ditto.
8925 * tree-ssa-sink.c (execute_sink_code): Ditto.
8926 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8927 (cgraph_early_inlining): Ditto.
8928 * global.c (rest_of_handle_global_alloc): Ditto.
8929 * jump.c (cleanup_barriers): Ditto.
8930 (purge_line_number_notes): Ditto.
8931 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8932 (rest_of_handle_if_after_reload): Ditto.
8933 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8934 (tree_ssa_loop_im): Ditto.
8935 (tree_ssa_loop_unswitch): Ditto.
8936 (tree_vectorize): Ditto.
8937 (tree_linear_transform): Ditto.
8938 (tree_ssa_loop_ivcanon): Ditto.
8939 (tree_ssa_empty_loop): Ditto.
8940 (tree_ssa_loop_bounds): Ditto.
8941 (tree_complete_unroll): Ditto.
8942 (tree_ssa_loop_prefetch): Ditto.
8943 (tree_ssa_loop_ivopts): Ditto.
8944 (tree_ssa_loop_done): Ditto.
8945 * predict.c (tree_estimate_probability): Ditto.
8946 * recog.c (split_all_insns_noflow): Ditto.
8947 (rest_of_handle_peephole2): Ditto.
8948 (rest_of_handle_split_all_insns): Ditto.
8949 * tree-eh.c (lower_eh_constructs): Ditto.
8950 * regmove.c (rest_of_handle_regmove): Ditto.
8951 (rest_of_handle_stack_adjustments): Ditto.
8952 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8953 * function.c (instantiate_virtual_regs): Ditto.
8954 (init_function_for_compilation): Ditto.
8955 (rest_of_handle_check_leaf_regs): Ditto.
8956 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8957 (rest_of_handle_gcse): Ditto.
8958 * ipa-type-escape.c (type_escape_execute): Ditto.
8959 * alias.c (rest_of_handle_cfg): Ditto.
8960 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8961 * profile.c (rest_of_handle_branch_prob): Ditto.
8962 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8963 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8964 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8965 * tree-dfa.c (find_referenced_vars): Ditto.
8966 * except.c (set_nothrow_function_flags): Ditto.
8967 (convert_to_eh_region_ranges): Ditto.
8968 (rest_of_handle_eh): Ditto.
8969 * emit-rtl.c (unshare_all_rtl): Ditto.
8970 (remove_unnecessary_notes): Ditto.
8971 * except.h (set_nothrow_function_flags): Ditto.
8972 (convert_to_eh_region_ranges): Ditto.
8973 * cfgexpand.c (tree_expand_cfg): Ditto.
8974 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8975 * tree-ssa-pre.c (do_pre): Ditto.
8976 (execute_fre): Ditto.
8977 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8978 (rest_of_handle_jump2): Ditto.
8979 * tree-sra.c (tree_sra): Ditto.
8980 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8981 (execute_mudflap_function_decls): Ditto.
8982 * tree-ssa-copy.c (do_copy_prop): Ditto.
8983 (do_store_copy_prop): Ditto.
8984 * ipa-prop.h (ipcp_driver): Ditto.
8985 * cfglayout.c (insn_locators_initialize): Ditto.
8986 * tree-ssa-forwprop.c
8987 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8988 * cfglayout.h (insn_locators_initialize): Ditto.
8989 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8990 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8991 (execute_late_warn_uninitialized): Ditto.
8992 * rtl.h (cleanup_barriers): Ditto.
8993 (split_all_insns_noflow): Ditto.
8994 (purge_line_number_notes): Ditto.
8995 (unshare_all_rtl): Ditto.
8996 (remove_unnecessary_notes): Ditto.
8997 (recompute_reg_usage): Ditto.
8998 (variable_tracking_main): Ditto.
8999 * integrate.c (emit_initial_value_sets): Ditto.
9000 * integrate.h (emit_initial_value_sets): Ditto.
9001 * tree-optimize.c (execute_free_datastructures): Ditto
9002 (execute_free_cfg_annotations): Ditto.
9003 (execute_fixup_cfg): Ditto.
9004 (execute_cleanup_cfg_pre_ipa): Ditto.
9005 (execute_cleanup_cfg_post_optimizing): Ditto.
9006 (execute_init_datastructures): Ditto.
9007 * tree-object-size.c (compute_object_sizes): Ditto.
9008 * combine.c (rest_of_handle_combine): Ditto.
9009 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9010 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9011 (rest_of_handle_reorder_blocks): Ditto.
9012 (rest_of_handle_partition_blocks): Ditto.
9013 * var-tracking.c (variable_tracking_main): Ditto.
9014 * tree-profile.c (tree_profiling): Ditto.
9015 * tree-vect-generic.c (expand_vector_operations): Ditto.
9016 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9017 * sched-rgn.c (rest_of_handle_sched): Ditto.
9018 (rest_of_handle_sched2): Ditto.
9019 * basic-block.h (free_bb_insn): Ditto.
9020 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9021 * tree-cfg.c (execute_build_cfg): Ditto.
9022 (remove_useless_stmts): Ditto.
9023 (split_critical_edges): Ditto.
9024 (execute_warn_function_return): Ditto.
9025 (execute_warn_function_noreturn): Ditto.
9026 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9027 * cfgrtl.c (free_bb_for_insn): Ditto.
9028 * passes.c (execute_one_pass): Run additional
9029 todos returned by execute function.
9030 * tree-pass.h (struct tree_opt_pass): Make execute
9033 2006-03-02 Richard Guenther <rguenther@suse.de>
9035 * tree-ssa-alias.c (find_used_portions): Consider taking
9036 the address as making the variable not write-only.
9038 2006-03-02 Nick Clifton <nickc@redhat.com>
9040 * config.gcc (default_use_cxa_atexit): Extend the description of
9041 this configure variable. Set its default value to "yes" for
9042 Linux, NetBSD and ELF targets on the assumption that they will
9043 use C libraries with the __cxa_atexit function.
9045 2006-03-02 Ben Elliston <bje@au.ibm.com>
9047 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9048 parameter as unused to suppress a build warning.
9050 2006-03-02 Ben Elliston <bje@au.ibm.com>
9052 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9055 2006-03-01 Roger Sayle <roger@eyesopen.com>
9058 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9059 declared name, the weak reference name, and the typeof name.
9060 (__gthrw): Avoid expanding the declared name suffix.
9061 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9063 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9065 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9067 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9068 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9069 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9070 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9071 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9072 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9073 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9074 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9075 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9076 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9077 (DW_END_default, DW_END_big, DW_END_little): New.
9078 (DW_END_lo_user, DW_END_hi_user): Define.
9079 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9080 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9081 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9084 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9086 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9088 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9090 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9092 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9094 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9095 to 'symbol_mem_tag'.
9097 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9100 2006-03-01 Roger Sayle <roger@eyesopen.com>
9102 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9104 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9107 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9108 MACHO_DYNAMIC_NO_PIC_P.
9109 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9111 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9114 * config/darwin-protos.h (darwin_asm_output_anchor):
9116 * config/darwin-sections.def (cstring_section):
9117 Add SECTION_MERGE to the flags.
9118 (literal4_section): Likewise.
9119 (literal8_section): Likewise.
9120 (objc_selector_refs_section): Likewise.
9121 (objc_cls_refs_section): Likewise.
9122 * config/darwin.c (darwin_asm_output_anchor): New
9124 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9126 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9128 Fix PR tree-optimization/26443
9129 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9130 to todo and PROP_tmt_usage to properties_destroyed.
9131 * tree-ssa-ccp.c (pass_ccp): Ditto.
9132 (pass_store_ccp): Ditto.
9133 * tree-ssa-dom.c (pass_dominator): Ditto.
9135 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9137 * tree-ssa-operands.c: Cleanup whitespace.
9138 (get_asm_expr_operands): Move before first invocation.
9139 (get_indirect_ref_operands): Likewise.
9140 (get_tmr_operands): Likewise.
9141 (get_call_expr_operands): Likewise.
9142 (append_def): Likewise.
9143 (append_use): Likewise.
9144 (append_v_may_def): Likewise.
9145 (append_v_must_def): Likewise.
9146 (add_call_clobber_ops): Likewise.
9147 (add_call_read_ops): Likewise.
9148 (add_stmt_operand): Likewise.
9149 (add_virtual_operand): Likewise.
9150 (build_ssa_operands): Likewise.
9152 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9157 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9158 with a call expr to ...
9159 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9161 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9163 * tree-vrp.c (extract_range_from_assert): Remove special
9164 handling for types with super-types.
9166 2006-03-01 Ben Elliston <bje@au.ibm.com>
9168 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9169 and powerpc64-*-linux* configurations.
9170 * config/t-dfprules: New file.
9172 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9173 Compile dfp-bit.c from the source directory using -DWIDTH and
9174 $DFP_CFLAGS to control the compilation of that file, rather than
9175 generating width-specific versions in the build directory.
9176 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9177 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9179 2006-02-28 Zack Weinberg <zackw@panix.com>
9181 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9184 2006-02-28 Eric Christopher <echristo@apple.com>
9186 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9187 Set up IN_LIBGCC definition of TARGET_64BIT.
9188 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9190 2006-02-28 Roger Sayle <roger@eyesopen.com>
9193 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9194 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9195 cases via the construction of "expr != 0".
9197 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9199 * alias.c (alias_invariant, alias_invariant_size): Remove.
9200 (record_base_value): Remove.
9201 (memrefs_conflict_p): Don't look at alias_invariant.
9202 (end_alias_analysis): Don't free it.
9203 * alias.h (record_base_value): Remove prototype.
9205 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9206 Adam Nemet <anemet@caviumnetworks.com>
9208 * rtl.h (truncated_to_mode): Declare it.
9209 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9210 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9211 (RTL_HOOKS_INITIALIZER): Include it.
9212 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9213 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9214 reg_truncated_to_mode.
9215 * rtlanal.c (truncated_to_mode): Define it.
9216 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9218 2006-02-28 Jeff Law <law@redhat.com>
9220 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9221 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9222 the range allowed by TYPE_PRECISION.
9224 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9226 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9228 PR tree-optimization/26419
9229 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9232 2006-02-27 Zack Weinberg <zackw@panix.com>
9234 * doc/md.texi: Fix typo in previous change.
9236 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9240 2006-02-27 Zack Weinberg <zackw@panix.com>
9242 * rtl.def (define_constraint, define_register_constraint)
9243 (define_memory_constraint, define_address_constraint): New MD forms.
9244 * gensupport.c (process_rtx): Put define_constraint etc on the
9246 * genpreds.c (process_define_predicate): Adjust comment. Validate
9247 the name, and call validate_exp to validate the expression.
9248 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9249 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9250 all callers changed.
9251 (validate_exp, needs_variable, struct constraint_data)
9252 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9253 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9254 (const_dbl_constraints, constraint_max_namelen)
9255 (have_register_constraints, have_memory_constraints)
9256 (have_address_constraints, have_address_constraints)
9257 (have_extra_constraints, have_const_int_constraints)
9258 (have_const_dbl_constraints, mangle, add_constraint)
9259 (process_define_constraint, process_define_register_constraint)
9260 (write_enum_constraint_num, write_lookup_constraint)
9261 (write_insn_constraint_len, write_regclass_for_constraint)
9262 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9263 (write_insn_extra_memory_constraint)
9264 (write_insn_extra_address_constraint)
9265 (write_satisfies_constraint_fns): New.
9266 (write_tm_preds_h): If we have new-style constraint definitions,
9267 prototype the functions generated from them, and define the
9268 old constraint interface (still used by generic code) in terms of
9270 (write_insn_preds_c): If we have new-style constraint definitions,
9271 generate all relevant functions from those definitions.
9272 (main): Handle define_constraint etc.
9273 * genoutput.c (struct constraint_data, indep_constraints)
9274 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9275 (mdep_constraint_len): New data structures and functions, defined
9276 #ifdef USE_MD_CONSTRAINTS.
9277 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9278 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9279 use new logic to validate operand constraints against constraint
9281 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9283 * defaults.h: If none of the old-style constraint macros are
9284 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9285 old-style macros; and poison REG_CLASS_FROM_LETTER,
9286 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9288 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9289 * doc/md.texi: Document new constraint-definition mechanism and the
9290 C interface it provides. Remove references to old mechanism
9291 elsewhere in the document.
9292 (Machine Constraints): Use pathnames relative to gcc directory,
9293 i.e. config/ARCH/FILE. Change i386 section to refer to
9294 config/i386/predicates.md; update that section to match docstrings.
9295 * doc/tm.texi: Move all documentation of the old constraint-
9296 definition macros to their own section, clearly mark as obsolete.
9298 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9299 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9301 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9302 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9303 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9305 (splits and peepholes): Use satisfies_constraint_*.
9306 * config/i386/i386.c (memory_address_length)
9307 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9309 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9311 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9312 scalar operation to be put back into the loop.
9314 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9317 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9318 (extract_cie_info): Handle S flag in augmentation string.
9319 (execute_cfa_program): If context->signal_frame, execute also
9320 fs->pc == context->ra instructions.
9321 (uw_frame_state_for): If context->signal_frame, don't subtract one
9322 from context->ra to find FDE.
9323 (uw_update_context_1): Set context->signal_frame to
9325 (_Unwind_GetIPInfo): New function.
9326 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9327 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9329 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9330 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9331 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9332 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9333 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9334 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9335 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9336 x86_64_fallback_frame_state): Set fs->signal_frame.
9337 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9338 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9339 (frob_update_context): Likewise. Workaround missing S flag in
9340 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9341 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9342 Remove the psw_addr + 1 hack.
9344 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9346 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9347 with aggregates here.
9348 (find_func_aliases): Remove code for &<aggregate> from here.
9350 2006-02-26 Roger Sayle <roger@eyesopen.com>
9352 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9353 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9354 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9357 2006-02-26 Roger Sayle <roger@eyesopen.com>
9360 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9362 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9364 * opts.c (decode_options): Do not handle flag_strength_reduce.
9365 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9366 and OPT_fstrength_reduce.
9367 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9368 flag_prefetch_loop_arrays for being nonzero.
9369 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9371 (fprefetch-loop-arrays-rtl): Removed.
9372 (flag_prefetch_loop_arrays): Do not specify the value.
9374 * doc/passes.texi: Update documentation of loop optimizer
9376 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9377 -frerun-loop-opt): Remove.
9379 2006-02-26 Richard Guenther <rguenther@suse.de>
9381 PR tree-optimization/26421
9382 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9383 in function calls that are ADDR_EXPRs as using the whole structure.
9385 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9387 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9388 * tree-pass.h (pass_loop_optimize): Remove.
9389 * passes.c (pass_loop_optimize): Never run it.
9390 * toplev.c (backend_init): Don't call init_loop.
9391 * opts.c (flag_loop_optimize_set): Remove.
9392 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9393 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9394 the old RTL loop optimizer when profiling enabled.
9395 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9396 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9397 pre-headers for the sake of the old RTL loop optimizer.
9398 * Makefile.in: Remove all references to loop.o.
9400 * doc/invoke.texi: Remove all references to -floop-optimize
9401 and -frerun-loop-opt.
9403 2006-02-26 Zack Weinberg <zackw@panix.com>
9405 * doc/md.texi (Machine Constraints): Refer to all files with paths
9406 relative to gcc directory (i.e. config/CPU/file). Add missing
9407 @table @code ... @end table to M32C subsection.
9409 2006-02-26 Roger Sayle <roger@eyesopen.com>
9411 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9413 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9415 2006-02-26 Roger Sayle <roger@eyesopen.com>
9416 James A. Morrison <phython@gcc.gnu.org>
9419 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9420 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9421 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9422 signedness of the shift operation.
9424 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9426 PR tree-optimization/26359
9427 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9429 2006-02-25 Roger Sayle <roger@eyesopen.com>
9431 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9432 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9433 as X == 0, and some symmetry related transformations.
9434 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9436 2006-02-25 Roger Sayle <roger@eyesopen.com>
9439 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9440 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9441 symmetry related transformations. Fold (X^C1) == C2 as
9444 2006-02-25 Juergen Weigert <jw@suse.de>
9445 Richard Guenther <rguenther@suse.de>
9447 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9449 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9451 * combine.c (gen_lowpart_or_truncate): Call
9452 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9454 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9456 * doc/invoke.texi: Move -fopenmp description to "Options for
9458 Remove reference to -lgomp.
9460 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9462 * doc/install.texi: Require GNU tar version 1.14.
9464 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9466 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9467 * doc/invoke.texi (C++ Dialect Options): Document
9468 -fno-use-cxa-get-exception-ptr.
9469 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9470 * configure: Regenerate.
9471 * c.opt (fuse-cxa-get-exception-ptr): New.
9472 * c-opts.c (c_common_handle_option): Handle
9473 OPT_fuse_cxa_get_exception_ptr.
9474 * c-common.c (flag_use_cxa_atexit): Update documentation.
9475 (flag_use_cxa_get_exception_ptr): New.
9476 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9477 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9479 (C_COMMON_OVERRIDE_OPTIONS): New.
9481 2006-02-24 Roger Sayle <roger@eyesopen.com>
9484 * combine.c (try_combine): Explicitly check whether GET_CODE is
9485 a SET or a CLOBBER, instead on checking that it isn't a USE.
9487 2006-02-24 Roger Sayle <roger@eyesopen.com>
9489 * fold-const.c (fold_comparison): New subroutine of fold_binary
9490 containing transformations common to both the equality and
9491 ordering relational operators, factored out of fold_binary.
9492 (fold_binary): Separate out the equality operators (EQ_EXPR
9493 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9494 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9495 transformations common to both.
9496 (fold_div_compare): Fix latent bugs in the previously unreachable
9497 LT_EXPR and GE_EXPR cases.
9499 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9501 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9502 decl libname for clog to __clog on AIX.
9504 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9506 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9509 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9510 output traceback table for thunks. Localise rs6000_stack_info call.
9512 2006-02-23 Roger Sayle <roger@eyesopen.com>
9513 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9515 * gthr-posix.h (__gthrw): Fix typo in comment.
9517 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9519 * doc/cpp.texi (Character sets): Document that we do support
9520 input files to be in any character set.
9522 2006-02-23 Jeff Law <law@redhat.com>
9524 * tree.h (PHI_ARG_NONZERO): Remove.
9525 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9526 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9527 node to the new node.
9529 PR tree-optimization/26425
9530 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9531 min/max, then assume its varying.
9533 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9535 PR rtl-optimization/26316
9536 * rtlanal.c (enum may_trap_p_flags): New.
9537 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9538 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9539 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9540 (may_trap_after_code_motion_p): New function.
9541 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9542 (find_invariant_insn): Use may_trap_after_code_motion_p.
9543 * rtl.h (may_trap_after_code_motion_p): Declare.
9545 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9547 * emit-rtl.c (immed_double_const): Cleanup.
9549 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9551 Fix PR tree-optimization/26376
9552 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9555 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9558 * gimplify.c (omp_add_variable): Guard variable size decl test with
9559 DECL_SIZE (decl) check.
9561 2006-02-23 Richard Guenther <rguenther@suse.de>
9564 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9565 like aggregate types.
9567 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9569 * configure.ac: Add --with{,out}-long-double-128 configure option.
9570 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9571 * configure: Rebuilt.
9572 * config.in: Rebuilt.
9573 * doc/install.texi (Options specification): Document
9574 --with-long-double-128.
9576 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9577 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9578 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9579 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9581 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9583 * config/s390/s390.c (override_options): Handle
9584 TARGET_DEFAULT_LONG_DOUBLE_128.
9586 * config/alpha/alpha.c (override_options): Handle
9587 TARGET_DEFAULT_LONG_DOUBLE_128.
9589 * config/sparc/sparc.c (sparc_override_options): Handle
9590 TARGET_DEFAULT_LONG_DOUBLE_128.
9592 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9594 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9595 (real-install-headers-tar, real-install-headers-cpio)
9596 (real-install-headers-cp): New targets.
9598 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9600 * tree.h (variable_section): Delete.
9601 * varasm.c (variable_section): Delete.
9603 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9605 * install.texi: Add notes on install.texi2html.
9606 (Building in parallel): Do not use footnotes.
9608 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9611 * doc/install.texi (Configuration): Document --disable-libgomp.
9613 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9615 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9617 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9619 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9620 (vec_extractv2df_0_sse): New.
9622 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9624 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9625 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9626 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9627 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9628 to the result of the expression.
9629 (def_cfa_1): Adjust.
9630 (frame_pointer_cfa_offset): Rename to...
9631 (frame_pointer_fb_offset): ... this. Adjust all uses.
9632 (convert_cfa_to_loc_list): Rename to...
9633 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9634 Pass it on to build_cfa_loc.
9635 (compute_frame_pointer_to_cfa_displacement): Rename to...
9636 (compute_frame_pointer_to_fb_displacement): ... this. New
9637 offset parameter. Use it in computation.
9638 (gen_subprogram_die): Compute cfa_fb_offset with the new
9639 macro, and use it to compute the fb loc list and the
9642 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9644 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9645 replaced with register_operand.
9646 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9647 non-DREG is expensive.
9648 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9649 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9652 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9654 * doc/install.texi2html: Use set -e.
9656 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9658 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9659 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9660 * doc/invoke.texi (-fshared-data): Delete.
9661 * common.opt (fshared-data): Delete.
9662 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9663 (assemble_static_space): Remove #if 0 code.
9664 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9665 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9666 * config/cris/cris.h: Remove FIXME.
9668 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9670 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9673 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9676 * combine.c (simplify_shift_const_1): Disable nested shifts
9677 optimization for vector shifts.
9679 2006-02-20 Roger Sayle <roger@eyesopen.com>
9681 PR tree-optimization/26361
9682 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9683 of unsigned integer types.
9685 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9687 * tree-chrec.c (eq_evolutions_p): New.
9688 * tree-chrec.h (eq_evolutions_p): Declared.
9689 * tree-data-ref.c: Fix formatting.
9690 (datadep_stats, dependence_stats): New.
9692 (print_direction_vector): New.
9693 (dump_data_dependence_relation): Use print_direction_vector.
9694 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9695 (compute_subscript_distance): Static.
9696 (initialize_data_dependence_relation): Static. Get the number
9697 of loops surrounding the references from the callers, and initialize
9698 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9699 base_object_differ_p analyzers.
9700 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9701 compute_overlap_steps_for_affine_1_2,
9702 analyze_subscript_affine_affine): Count the classified dependences.
9703 Print a message when a test failed.
9704 (can_use_analyze_subscript_affine_affine): New.
9705 (analyze_siv_subscript): Compute the data dependences on symbolic
9706 scevs that verify can_use_analyze_subscript_affine_affine.
9707 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9708 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9709 Handle symbolic scevs.
9710 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9712 (subscript_dependence_tester): Moved...
9713 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9714 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9715 DDR_SIZE_VECT instead of getting it in parameter.
9716 (subscript_dependence_tester): ... here. Take as a parameter
9717 loop_nest_depth. Call build_classic_dist_vector and
9718 build_classic_dir_vector.
9719 (compute_affine_dependence): Update subscript_dependence_tester
9720 parameters. Update datadep_stats counters. Call
9721 compute_subscript_distance.
9722 (compute_self_dependence): Save the dist and dir vectors. Call
9723 compute_subscript_distance.
9724 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9725 (compute_all_dependences): Reorder parameters as they were before
9726 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9727 compute_subscript_distance. Update the use of
9728 compute_affine_dependence and initialize_data_dependence_relation.
9729 (find_data_references_in_loop): Handle COMPONENT_REF.
9730 (compute_data_dependences_for_loop): Initialize dependence_stats.
9731 Don't call build_classic_dist_vector and build_classic_dir_vector.
9732 Update the parameters of initialize_data_dependence_relation and
9733 compute_all_dependences. Print the statistics from datadep_stats.
9734 (analyze_all_data_dependences): Static. Not used until the pass for
9735 checking the data dependences is contributed.
9736 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9737 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9738 (initialize_data_dependence_relation, compute_affine_dependence,
9739 analyze_all_data_dependences, compute_subscript_distance): Removed.
9740 (print_direction_vector): New.
9741 * lambda.h (gcd): ... here.
9742 (lambda_vector_gcd): Moved here from gcd_vector.
9743 * lambda-code.c (gcd, gcd_vector): Removed.
9744 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9745 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9747 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9749 * ipa-type-escape.c: Tidy some comments and white space.
9750 * tree-ssa-operands.c: Likewise.
9752 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9755 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9756 (dump_decl_name): Do not walk the decl tree chains.
9757 * tree-pass.h (TDF_CHAIN): Remove.
9759 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9761 * Makefile.in (C): Remove
9763 (.PHONY): Remove C and PROTO
9765 2006-02-20 Roger Sayle <roger@eyesopen.com>
9768 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9769 deprecated CHAR_TYPE tree code.
9771 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9773 * configure.ac (target_list): Add install-info, dvi, html.
9774 * configure: Regenerate.
9776 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9777 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9778 treelang/Make-lang.in: Do not use double-colon rules.
9780 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9782 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9783 (TMT_USED_ALONE): New macro.
9784 * tree-pass.h (PROP_tmt_usage): New property.
9785 (TODO_update_tmt_usage): New todo.
9786 * tree-ssa-alias.c (updating_used_alone): New variable.
9787 (recalculate_used_alone): New function.
9788 (compute_may_aliases): Set updating_used_alone, call
9789 recalculate_used_alone.
9790 * tree-sra.c (pass_sra): Note that this pass destroys
9791 PROP_tmt_usage, and add TODO_update_tmt_usage.
9792 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9793 * tree-flow.h (updating_used_alone): Prototype.
9794 (recalculate_used_alone): Ditto.
9795 * passes.c (execute_todo): Add code to set updating_used_alone,
9796 and call recalculate.
9797 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9798 for clobber if used alone, and add assert to verify used_alone
9801 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9803 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9804 for non tls symbols added.
9805 (legitimize_address): Do nothing for PLUS expressions if one of the
9806 addends is a tls symbol reference.
9808 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9812 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9814 * Makefile.in (BOOTSTRAPPING): New.
9815 (quickstrap): New definition if BOOTSTRAPPING=yes.
9817 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9818 * configure.ac: Substitute all_selected_languages with the languages
9819 that were configured. For all the other variables except
9820 lang_specs_files, include all the languages in the tree.
9821 * configure: Regenerate.
9823 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9824 if there is one. Run the commands to run fixincludes in the same
9827 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9828 * doc/install.texi: Document exact conventions for searching target tools.
9829 Document --with-build-time-tools. Document toplevel bootstrap. Document
9830 something more about building an Ada cross-compiler. Don't list GNU Make
9831 requirements which affect all platforms.
9833 2006-02-19 Roger Sayle <roger@eyesopen.com>
9836 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9837 only equivalent if the have both the same mode and precision.
9839 2006-02-20 Ben Elliston <bje@au.ibm.com>
9841 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9843 2006-02-19 Roger Sayle <roger@eyesopen.com>
9844 Steven Bosscher <stevenb.gcc@gmail.com>
9846 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9847 constant pool references to identify stack mode constants.
9848 * rtlanal.c (constant_pool_constant_p): New predicate to check
9849 whether operand is a floating point constant in the pool.
9850 * rtl.h (constant_pool_constant_p): Prototype here.
9851 * loop.c (scan_loop): Avoid hoisting constants from the constant
9852 pool on STACK_REGS targets.
9853 (load_mems): Likewise.
9854 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9855 loads into x87 registers expensive in terms of register pressure.
9857 2006-02-19 Roger Sayle <roger@eyesopen.com>
9859 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9860 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9862 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9864 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9865 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9867 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9869 * doc/invoke.texi: Document -fipa-pta.
9870 * common.opt: Add ipa-pta option.
9871 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9872 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9873 (do_ds_constraint): Ditto.
9874 (get_constraint_for): Only add to referenced_vars if
9875 referenced_vars exists.
9876 (insert_into_field_list): Rewrite to do this unsorted.
9877 (insert_into_field_list_sorted): Rename old insert_into_field_list
9879 (create_function_info_for): Use insert_into_field_list_sorted.
9880 (create_variable_info_for): Rewrite so it uses unsorted version,
9881 since the field list is sorted.
9882 (intra_create_variable_infos): Only add to referenced_vars if
9883 referenced_vars exists.
9884 (ipa_pta_execute): Init heapvars, and delete when done.
9885 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9887 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9889 * doc/install.texi: Add missing `@samp'.
9891 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9893 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9896 2006-02-18 Mark Wielaard <mark@klomp.org>
9898 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9899 who added new 4.1 features, bug fixes and integration support.
9901 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9904 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9907 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9909 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9910 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9911 (copy_insn_1): Likewise. Don't copy each field individually.
9913 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9915 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9916 * rtl.c (rtx_size): Rename variable to...
9917 (rtx_code_size): ...this.
9918 (rtx_size): New function.
9919 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9920 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9922 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9923 * rtl.h (rtx_code_size): New variable.
9924 (rtx_size): Change from a variable to a function.
9925 (RTX_SIZE): Rename to...
9926 (RTX_CODE_SIZE): ...this.
9929 PR tree-optimization/17106
9930 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9931 (Anchored Addresses): New section.
9932 * doc/invoke.texi (-fsection-anchors): Document.
9933 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9934 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9935 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9936 * hooks.c (hook_bool_mode_rtx_false): New function.
9937 * hooks.h (hook_bool_mode_rtx_false): Declare.
9938 * gengtype.c (create_optional_field): New function.
9939 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9940 SYMBOL_REF_IN_BLOCK_P is true.
9941 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9942 (min_anchor_offset, max_anchor_offset): Likewise.
9943 (use_anchors_for_symbol_p): New hook.
9944 * toplev.c (compile_file): Call output_object_blocks.
9945 (target_supports_section_anchors_p): New function.
9946 (process_options): Check that -fsection-anchors is only used on
9947 targets that support it and when -funit-at-a-time is in effect.
9948 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9949 if the decl doesn't have one.
9950 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9951 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9952 of force_const_mem through use_anchored_address.
9953 (expand_expr_constant): New function.
9954 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9955 calling expand_expr for INDIRECT_REF.
9956 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9957 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9958 * expr.h (use_anchored_address): Declare.
9959 * loop-unroll.c: Don't declare rtx vectors here.
9960 * explow.c: Include output.h.
9961 (validize_mem): Call use_anchored_address.
9962 (use_anchored_address): New function.
9963 * common.opt (-fsection-anchors): New switch.
9964 * varasm.c (object_block_htab, anchor_labelno): New variables.
9965 (hash_section, object_block_entry_eq, object_block_entry_hash)
9966 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9967 (use_blocks_for_decl_p, change_symbol_section): New functions.
9968 (get_variable_section): New function, split out from assemble_variable.
9969 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9970 use_blocks_for_decl_p say so. Use change_symbol_section if the
9971 symbol has already been created.
9972 (assemble_variable_contents): New function, split out from...
9973 (assemble_variable): ...here. Don't output any code for
9974 block symbols; just pass them to place_block_symbol.
9975 Use get_variable_section and assemble_variable_contents.
9976 (get_constant_alignment, get_constant_section, get_constant_size): New
9977 functions, split from output_constant_def_contents.
9978 (build_constant_desc): Create a block symbol if use_object_blocks_p
9979 says so. Or into SYMBOL_REF_FLAGS.
9980 (assemble_constant_contents): New function, split from...
9981 (output_constant_def_contents): ...here. Don't output any code
9982 for block symbols; just pass them to place_section_symbol.
9983 Use get_constant_section and get_constant_alignment.
9984 (force_const_mem): Create a block symbol if use_object_blocks_p and
9985 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9986 (output_constant_pool_1): Add an explicit alignment argument.
9987 Don't switch sections here.
9988 (output_constant_pool): Adjust call to output_constant_pool_1.
9989 Switch sections here instead. Don't output anything for block symbols;
9990 just pass them to place_block_symbol.
9991 (init_varasm_once): Initialize object_block_htab.
9992 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9993 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9994 (place_block_symbol, get_section_anchor, output_object_block)
9995 (output_object_block_htab, output_object_blocks): New functions.
9996 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9997 (TARGET_ASM_OUT): Include it.
9998 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9999 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10000 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10001 (TARGET_INITIALIZER): Include them.
10002 * rtl.c (rtl_check_failed_block_symbol): New function.
10003 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10004 (block_symbol, object_block): New structures.
10005 (rtx_def): Add a block_symbol field to the union.
10006 (BLOCK_SYMBOL_CHECK): New macro.
10007 (rtl_check_failed_block_symbol): Declare.
10008 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10009 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10010 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10011 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10012 * output.h (output_section_symbols): Declare.
10013 (object_block): Name structure.
10014 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10015 (default_use_anchors_for_symbol_p): Declare.
10016 * Makefile.in (RTL_BASE_H): Add vec.h.
10017 (explow.o): Depend on output.h.
10018 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10019 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10020 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10021 (rs6000_use_blocks_for_constant_p): New function.
10023 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10025 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10027 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10030 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10033 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10035 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10039 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10041 PR middle-end/26334
10042 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10043 instead of DECL_REGISTER.
10045 2006-02-18 Olivier Hainque <hainque@adacore.com>
10048 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10050 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10053 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10054 * opth-gen.awk: Handle Var and InverseMask together.
10055 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10056 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10057 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10058 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10060 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10061 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10062 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10063 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10064 LINUX_DYNAMIC_LINKER): Define.
10065 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10066 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10068 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10069 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10070 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10071 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10072 (TARGET_C99_FUNCTIONS): Don't define.
10073 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10074 GLIBC_DYNAMIC_LINKER.
10075 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10076 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10077 GLIBC_DYNAMIC_LINKER64): Define.
10078 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10079 LINUX_DYNAMIC_LINKER64.
10080 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10081 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10082 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10083 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10084 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10085 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10086 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10087 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10088 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10089 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10090 and LINUX_DYNAMIC_LINKER32.
10091 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10092 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10093 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10094 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10095 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10097 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10098 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10099 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10100 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10101 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10102 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10103 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10104 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10105 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10106 LINUX_DYNAMIC_LINKER): Define.
10107 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10108 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10109 GLIBC_DYNAMIC_LINKER64): Define.
10110 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10111 LINUX_DYNAMIC_LINKER64.
10112 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10113 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10114 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10115 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10116 LINUX_DYNAMIC_LINKER): Define.
10117 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10118 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10119 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10120 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10121 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10122 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10123 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10124 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10125 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10126 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10127 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10128 * doc/invoke.texi (-muclibc): Remove caveat about supported
10131 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10133 * doc/cpp.texi (__TIMESTAMP__): Document.
10135 2006-02-17 Roger Sayle <roger@eyesopen.com>
10137 PR middle-end/25600
10138 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10139 C is one less than the width of X (and related transformations).
10140 * simplify-rtx.c (simplify_unary_operation_1): Transform
10141 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10142 depending on STORE_FLAG_VALUE, were C is one less then the
10145 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10147 Fix PR tree-optimization/26341
10148 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10149 about NAME_MEMORY_TAG's.
10151 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10154 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10155 with hardware float support, and software float support. Add fcpy
10156 alternative to hardware patterns. Add alternatives to copy between
10157 general and floating-point registers to the 32-bit pattern.
10158 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10159 secondary reload to load a QI or HI mode constant into a floating
10161 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10162 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10164 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10167 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10169 (load_macho_picbase_di): Likewise.
10171 2006-02-16 Jeff Law <law@redhat.com>
10173 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10174 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10175 (ssa_name_nonzero_p): Likewise.
10176 (get_value_range): Return NULL if VRP is not running.
10177 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10178 VRP routines do not discover a range.
10179 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10180 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10181 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10182 (tree_expr_nonnegative_p): Similarly.
10183 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10184 (restore_nonzero_vars_to_original_value): Remove.
10185 (unsafe_associative_fp_binop): Remove.
10186 (tree_ssa_dominator_optimize): Remove initialization and
10187 finalization of nonzero_vars and nonzero_vars_stack.
10188 (dom_opt_initialize_block): No longer push marker on
10189 nonzero_vars_stack.
10190 (dom_opt_finalize_block): No longer call
10191 restore_nonzero_vars_to_original_value.
10192 (record_equivalences_from_phis): No longer look for
10193 nonzero PHI arguments.
10194 (cprop_into_successor_phis): No longer propagate nonzero
10195 property into PHI arguments. Lose unused argument. Caller
10197 (record_equivalences_from_stmt): No longer record nonzero
10198 values for SSA_NAMEs.
10199 (lookup_avail_expr): No longer use nonzero_vars.
10201 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10202 for sizetype when sizetype is unsigned.
10204 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10206 PR rtl-optimization/25603
10207 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10208 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10209 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10210 with new meaning of SETS.
10212 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10217 * config/linux.opt: New file.
10218 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10219 LINUX_DYNAMIC_LINKER): Define.
10220 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10221 * config.gcc (*-*-linux*): Define extra_options.
10222 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10223 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10224 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10225 GLIBC_DYNAMIC_LINKER.
10226 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10227 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10228 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10229 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10230 * doc/invoke.texi (GNU/Linux Options): New section.
10232 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10234 * config/sparc/sparc.md (setjmp): Rewrite.
10235 (setjmp_32): Delete.
10236 (setjmp_64): Likewise.
10238 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10240 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10243 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10245 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10248 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10250 PR rtl-optimization/26296
10251 * Makefile.in (loop-invariant.c): Add except.h dependency.
10252 * loop-invariant.c: Include except.h.
10253 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10255 2005-02-16 Paul Brook <paul@codesourcery.com>
10257 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10260 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10262 PR rtl-optimization/25636
10263 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10264 when deciding whether an insn is an initializing insn.
10266 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10268 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10269 (tree_code_size): Ditto.
10270 * tree.h (struct tree_memory_tag): Remove parent_var.
10271 (struct tree_struct_field_tag): New.
10274 (union tree_node): Add sft member.
10275 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10277 (create_sft): Add size and offset argument, set SFT_OFFSET and
10279 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10280 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10281 * tree-flow-inline.h (get_subvar_at): Update for
10282 SFT_OFFSET/SFT_SIZE.
10283 (var_can_have_subvars): Ditto.
10284 (overlap_subvar): Ditto.
10285 * print-tree.c (print_node): Print out interesting things for
10287 * tree-flow.h (struct subvar): Remove offset and size members.
10288 * tree-ssa-operands.c (get_expr_operands): Update for
10289 get_indirect_ref_operands changes.
10290 (get_indirect_ref_operands): Call add_virtual_operand instead of
10291 add_stmt_operand. Only recurse on base var if requested.
10292 (access_can_touch_variable): New function.
10293 (add_stmt_operand): Split virtual operand handling into ...
10294 (add_virtual_operand): Here. Add offset, size, and for_clobber
10295 arguments. Prune alias sets.
10296 (add_call_clobber_ops): Call add_virtual_operand.
10298 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10300 PR middle-end/26300
10301 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10303 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10304 than TREE_CODE as index into omp_clause_num_ops array.
10306 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10308 PR rtl-optimization/26184
10309 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10311 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10312 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10313 must_precede, must_follow and tobe_scheduled.
10316 * opts.c (common_handle_option): Free new_option pointer.
10317 * df-core.c (df_analyze): Free postorder pointer.
10319 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10321 * Makefile.in: Fix the examples about the use of stamps
10323 2006-02-15 Michael Matz <matz@suse.de>
10325 PR middle-end/22275
10327 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10328 influenced by maximum_field_alignment or DECL_PACKED.
10329 (update_alignment_for_field): Ditto.
10330 (place_field): Ditto.
10331 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10334 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10336 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10337 (debug_flow_info): Pass it.
10338 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10339 * bb-reorder.c (reorder_basic_blocks): Likewise.
10340 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10341 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10342 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10343 * gcse.c (gcse_main, bypass_jumps): Likewise.
10344 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10345 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10346 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10347 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10348 * rtl.h (dump_flow_info): Adjust prototype.
10349 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10350 * var-tracking.c (variable_tracking_main): Likewise.
10351 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10352 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10355 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10357 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10360 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10362 PR tree-optimization/26209
10363 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10364 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10366 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10368 2006-02-14 Roger Sayle <roger@eyesopen.com>
10370 PR middle-end/23670
10371 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10372 (X,Y) and the corresponding symmetry related transformations.
10373 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10374 (X,Y) and its symmetry related transformations.
10376 2006-02-14 Roger Sayle <roger@eyesopen.com>
10378 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10381 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10383 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10385 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10388 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10389 support COMDAT group.
10390 * configure: Regenerate.
10392 2006-02-14 Roger Sayle <roger@eyesopen.com>
10394 PR middle-end/26279
10395 PR middle-end/26280
10396 PR middle-end/26283
10397 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10399 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10401 Fix PR tree-optimization/26260
10403 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10405 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10406 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10407 * tree-ssa-structalias.c (create_variable_info_for): Use
10408 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10410 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10412 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10414 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10415 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10416 of the ending condition.
10417 * tree-ssa-loop-manip.c: Include params.h.
10418 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10419 tree_unroll_loop): New functions.
10420 * tree-pass.h (pass_loop_prefetch): Declare.
10421 * loop.c (rest_of_handle_loop_optimize): Test for
10422 -fprefetch-loop-arrays-rtl.
10423 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10424 * timevar.def (TV_TREE_PREFETCH): New timevar.
10425 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10426 pass_loop_prefetch): New.
10427 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10428 (cleanup_tree_cfg_loop): Call scev_reset.
10429 * common.opt (fprefetch-loop-arrays-rtl): Add.
10430 * tree-ssa-loop-prefetch.c: New file.
10431 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10432 (new_temp_expr_table): Initialize expr_vars.
10433 (free_temp_expr_table): Cleanup expr_vars.
10434 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10435 expressions from being merged into one.
10436 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10437 (struct tree_niter_desc): Add control, bound and cmp fields.
10438 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10440 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10441 (tree-cfgcleanup.o): Add SCEV_H dependency.
10442 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10443 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10445 2006-02-14 Richard Guenther <rguenther@suse.de>
10447 PR tree-optimization/26258
10448 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10449 in PHI argument processing.
10451 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10453 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10454 new expression in the requested machine mode.
10456 2006-02-13 Roger Sayle <roger@eyesopen.com>
10458 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10459 directly, instead let do_compare_rtx_and_jump handle this for us.
10460 * expr.c (expand_expr_real_1): Likewise.
10461 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10462 before do_jump_by_parts_greater.
10463 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10464 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10466 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10468 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10470 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10472 PR rtl-optimization/26235
10473 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10474 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10477 2006-02-13 Jeff Law <law@redhat.com>
10479 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10482 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10484 PR middle-end/26092
10485 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10486 twice if decl is a builtin. When trying again, call get_callee_fndecl
10487 first to verify it is still a builtin.
10489 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10491 * dwarf2out.c (base_type_die): Don't add AT_name here.
10492 (subrange_type_die): Don't add AT_name here.
10493 (modified_type_die): Rearrange code flow. Do add AT_name here.
10495 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10497 PR rtl-optimization/26247
10498 PR rtl-optimization/26248
10499 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10501 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10503 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10504 * config/fixtfdi.c: Likewise.
10505 * config/fixunstfdi.c: Likewise.
10506 * config/floatditf.c: Likewise.
10508 2006-02-13 Roger Sayle <roger@eyesopen.com>
10510 PR middle-end/24427
10511 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10512 into (X,C2) if C1 is a subset of the bits of C2. Transform
10513 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10515 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10517 2006-02-13 Josh Conner <jconner@apple.com>
10520 * varasm.c (function_section): Check for section name before
10521 calling select_section on targets that define
10522 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10523 unlikely_text_section instead of hot_function_section if
10524 first_function_block_is_cold.
10526 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10528 PR middle-end/25335
10529 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10531 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10533 PR rtl-optimization/26222
10534 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10535 after tree->rtl expansion.
10536 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10537 before passing it to emit_move_insn.
10539 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10541 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10543 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10544 Clarify documentation.
10545 * c-common.h (warn_write_strings): Remove.
10546 * c-common.c (warn_write_strings): Likewise.
10547 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10550 2006-02-12 Roger Sayle <roger@eyesopen.com>
10552 PR middle-end/25724
10553 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10554 (do_jump_parts_zero_rtx): New function renamed from
10555 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10556 (do_jump_parts_equality_rtx): New function split out from
10557 do_jump_parts_equality. Old implementation renamed as above.
10558 Call do_jump_parts_zero_rtx if either operand is zero.
10559 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10560 do all of the heavy lifting.
10561 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10562 calling either do_jump_by_parts_greater_rtx or
10563 do_jump_by_parts_equality_rtx.
10564 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10565 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10566 moved to do_compare_rtx_and_jump, call it directly.
10567 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10568 mode argument. Call do_compare_rtx_and_jump.
10569 (emit_case_nodes): Update calls to do_jump_if_equal.
10571 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10573 PR rtl-optimization/26225
10574 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10576 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10578 PR rtl-optimization/26232
10579 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10581 2006-02-11 Jason Merrill <jason@redhat.com>
10584 * tree-inline.c (declare_return_variable): Just don't use the
10585 modify target if it's a gimple complex reg and the return slot
10588 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10590 * doc/contrib.texi: Update my entry.
10592 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10594 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10596 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10598 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10601 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10603 * doc/invoke.texi (-floop-optimize2): Removed.
10604 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10605 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10606 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10607 * common.opt (floop-optimize2): Removed.
10608 (fmove-loop-invariants): Enabled by default.
10610 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10612 * tree-if-conv.c (combine_blocks): Free the result of
10613 get_loop_exit_edges.
10615 2006-02-10 Jeff Law <law@redhat.com>
10617 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10619 PR tree-optimization/26213
10620 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10621 loop trying to follow SSA_NAME_VALUE chains.
10623 2006-02-10 Richard Guenther <rguenther@suse.de>
10625 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10626 deal with structures that end in implicitly variable sized arrays.
10628 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10630 PR rtl-optimization/24762
10631 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10634 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10636 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10637 (struct ivopts_data): Add regs_used field.
10638 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10639 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10640 instead of loop_data->regs_used;
10641 (free_loop_data): Do not free aux fields for loops.
10642 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10643 and tree_ssa_iv_optimize_finalize.
10645 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10647 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10649 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10652 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10653 computing the effective result type.
10655 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10657 PR inline-asm/16194
10658 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10659 (tree_overlaps_hard_reg_set): Declare.
10660 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10661 type and signature to match function type expected by walk_tree.
10662 (tree_overlaps_hard_reg_set): New function.
10663 (decl_conflicts_with_clobbers_p): Rename to:
10664 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10665 Use tree_overlaps_hard_reg_set. Changed caller.
10666 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10667 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10668 * cris.c (cris_md_asm_clobbers): Likewise.
10670 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10672 * reload1.c (emit_input_reload_insns): Delete code that tries to
10673 inherit using find_equiv_reg.
10675 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10677 * c-common.h (flag_const_strings): Don't declare.
10678 * c-common.c (flag_const_strings): Remove.
10679 * c.opt (fconst_strings): Remove.
10680 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10681 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10682 (c_common_init_options): Don't set flag_const_strings.
10683 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10685 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10687 * arm.md (tlobits_cbranch): New pattern.
10688 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10689 testing a single bit.
10691 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10694 * tree-ssa-pre.c (create_component_ref_by_pieces):
10695 Handle RETURN_DECL like VAR_DECL.
10697 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10699 PR middle-end/26134
10700 * fold-const.c (fold_indirect_ref_1): Fold
10701 "*(foo *)&complexfoo" to "__real__ complexfoo"
10702 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10704 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10706 * tree-flow-inline.h (var_can_have_subvars):
10707 Volatile variables should not have subvariables.
10709 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10712 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10713 multiplying unsigned values.
10716 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10718 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10720 2006-02-08 Jason Merrill <jason@redhat.com>
10723 * tree.def: Elaborate on difference from MODIFY_EXPR.
10724 * doc/c-tree.texi (INIT_EXPR): Likewise.
10725 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10726 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10727 (gimplify_target_expr): Likewise.
10728 (gimplify_cond_expr): Remove target handling.
10729 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10730 (gimplify_expr): Clobber it here.
10731 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10732 Do return slot optimization if we have an INIT_EXPR.
10735 * tree-inline.c (declare_return_variable): Also clear
10736 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10739 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10741 PR middle-end/22439
10742 * gimplify.c (gimplify_one_sizepos): Fix typo.
10744 2006-02-08 Jeff Law <law@redhat.com>
10746 PR tree-optimization/21417
10747 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10748 across a backedge if the control statement at the end of the
10749 block is data dependent on other statements in the same block.
10750 (record_temporary_equivalences_from_stmts): Remove over-conservative
10751 test for threading across backedges.
10753 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10754 control statement, handle all three special cases in the same
10755 manner as they all have the same desired solution. No longer
10756 special case edge flag updating when the post dominator is
10759 2006-02-08 Roger Sayle <roger@eyesopen.com>
10761 * tree.def (CHAR_TYPE): Remove.
10762 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10763 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10764 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10765 (gen_string_type_die): Delete unreachable function.
10767 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10768 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10769 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10770 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10771 * builtins.c (type_to_class): Likewise.
10772 * fold-const.c (fold_convert, build_range_check,
10773 merge_ranges): Likewise.
10774 * expr.c (count_type_elements): Likewise.
10775 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10776 * stor-layout.c (layout_type): Likewise.
10777 * ipa-type-escape.c (type_to_consider): Likewise.
10778 * gimplify.c (omp_firstprivatize_type_sizes,
10779 gimplify_type_sizes): Likewise.
10780 * explow.c (promote_mode): Likewise.
10781 * tree-sra.c (is_sra_scalar_type): Likewise.
10782 * varasm.c (output_constant): Likewise.
10783 * tree-inline.c (remap_type_1): Likewise.
10784 * convert.c (convert_to_pointer, convert_to_real,
10785 convert_to_integer, convert_to_complex): Likewise.
10787 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10789 * df-scan.c (df_def_record_1): A set destination may
10790 be a parallel regardless of mode.
10792 2006-02-08 Roger Sayle <roger@eyesopen.com>
10795 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10796 * config/mips/_tilib.c: Remove.
10797 * config/fixtfdi.c: New libgcc source file.
10798 * config/fixunstfdi.c: New source file.
10799 * config/floatditf.c: New source file.
10800 * config/floatunditf.c: New souce file.
10801 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10802 files above instead of config/mips/_tilib.c.
10803 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10805 2006-02-08 Jeff Law <law@redhat.com>
10807 PR tree-optimization/26169
10808 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10811 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10813 * df.h (DF_REG_SIZE): Return the length of the initialized
10816 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10818 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10819 __muldf3): Return a correctly signed zero.
10821 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10823 * passes.c (register_one_dump_file): Accept the current properties
10824 instead of pass number. Adjust call to dump_register. Remove
10826 (register_dump_files): Now a wrapper around...
10827 (register_dump_files_1): ... this one. Do not modify the pass
10829 (next_pass_1): Cosmetic fix.
10830 (execute_todo): Keep second parameter only. Use curr_properties
10831 instead of fetching it from the pass structure. Check and set
10833 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10834 instead of fetching it from the pass structure. Fix calls to
10835 execute_todo. Update curr_properties and initialize .vcg RTL dump
10836 after running the pass. Reset last_verified.
10837 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10839 (FIRST_AUTO_NUMBERED_DUMP): New.
10840 (dump_register): Remove "num" parameter, assign it within the
10842 (get_dump_file_name): Modify template for dumps.
10843 * tree-dump.h (dump_register): Adjust prototype.
10844 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10845 (PROP_trees): Add PROP_gimple_lomp.
10846 (TODO_set_props): New.
10847 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10848 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10849 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10851 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10853 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10854 (sparc64-*-linux*): Likewise.
10855 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10856 * config/sparc/t-linux: New file.
10857 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10858 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10859 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10860 -m32 -mlong-double-128.
10862 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10863 * config/alpha/t-linux: New file.
10864 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10866 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10867 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10868 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10869 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10870 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10871 (CPP_ARCH32_SPEC): Remove.
10873 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10875 PR tree-optimization/26145
10876 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10879 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10882 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10883 >= 240000 when generating code for SOM runtime.
10884 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10885 to $$dyncall when generating code for SOM runtime..
10887 2006-02-07 Dirk Mueller <dmueller@suse.com>
10890 * doc/invoke.texi (-Wsequence-point): Update documentation
10891 that -Wsequence-point is implemented for C++ as well.
10893 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10895 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10896 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10897 (LIB_SPEC): Likewise.
10898 * doc/invoke.texi (SPARC options): Document -pthread.
10900 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10902 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10905 2006-02-07 Roger Sayle <roger@eyesopen.com>
10907 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10908 Correct comment describing BOOLEAN_TYPE.
10910 2006-02-07 Dirk Mueller <dmueller@suse.com>
10912 * c.opt: C++ frontend supports -Wdiv-by-zero.
10913 * c-opts.c (c_common_handle_option): Remove dead case.
10915 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10917 * configure.ac (TLS assembler check): Do not enable TLS by
10918 default on SPARC/Solaris before version 10.
10919 * configure: Regenerate.
10921 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10923 * doc/invoke.texi (xl-compat): Document conversion and support
10926 2006-02-07 Jeff Law <law@redhat.com>
10928 * tree-vrp.c (find_conditional_asserts): Update comments.
10929 (simplify_stmt_for_jump_threading): New.
10930 (identify_jump_threads, finalize_jump_threads): New.
10931 (vrp_finalize): Call identify_jump_threads.
10932 (execute_vrp): Call finalize_jump_threads.
10933 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10934 (vrp_element, vrp_data, vrp_element_p): Remove.
10935 (vrp_hash_elt, vrp_variables_stack): Remove.
10936 (vrp_hash, vrp_eq, record_range): Remove.
10937 (simplify_cond_and_lookup_avail_expr): Remove.
10938 (extract_range_from_cond): Remove.
10939 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10940 (simplify_stmt_for_jump_threading): New.
10941 (dom_thread_across_edge): New wrapper.
10942 (tree_ssa_dominator_optimize): No longer initialize or
10943 finalize any of the VRP datastructures. Remove iteration
10944 step and simplify as a result of removal of iteration step.
10945 (pass_dominator): Perform a cfg cleanup after DOM.
10946 (dom_opt_finalize_block): Use the new common routines
10947 for threading jumps. Simplify stack management slightly.
10948 No longer need to unwind VRP state.
10949 (record_equivalences_from_incoming_edge): No longer record
10951 (eliminate_redundant_computations): No longer call
10952 simplify_cond_and_lookup_avail_expr.
10953 * tree-flow.h (potentially_threadable_block): Prototype.
10954 (thread_across_edge): Likewise.
10955 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10956 (tree-ssa-threadedge.o): Add dependencies.
10957 * tree-ssa-threadedge.c: New file.
10958 * passes.c (init_optimization_passes): Merge PHIs before
10959 calling VRP. Run VRP again late in the SSA optimization pipeline.
10961 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10963 * df-core.c (df_set_blocks): Do not dereference function pointers.
10964 (df_finish1): Likewise.
10965 (df_hybrid_search_forward): Likewise.
10966 (df_hybrid_search_backward): Likewise.
10967 (df_iterative_dataflow): Likewise.
10968 (df_analyze_problem): Likewise.
10969 (df_compact_blocks): Likewise.
10970 (df_dump): Likewise.
10971 * df-scan.c (df_rescan_blocks): Likewise.
10972 (df_record_entry_block_defs): Likewise.
10974 * genconditions.c (write_conditions): Guard the definition of
10975 'insn_conditions' with the check on GCC version.
10976 (write_writer): Guard the traversal 'insn_conditions' with
10977 the check on GCC version.
10979 2006-02-07 Richard Guenther <rguenther@suse.de>
10983 2006-01-30 Richard Guenther <rguenther@suse.de>
10985 * gimplify.c (gimplify_target_expr): Handle easy cases
10986 without creating a temporary.
10988 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10990 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10991 use of float in probability computations. Use edge probabilities
10992 in place of statically computed probabilities.
10993 (min_spec_prob): New static variable.
10994 (schedule_insns): Initialize it.
10995 (GET_SRC_PROB): Removed.
10996 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10998 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11001 * config/ia64/unwind-ia64.c: Revert last change.
11002 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11003 (INCOMING_FRAME_SP_OFFSET): Define.
11005 2006-02-06 Roger Sayle <roger@eyesopen.com>
11007 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11009 2006-02-07 Ben Elliston <bje@au.ibm.com>
11011 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11012 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11013 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11014 (ix86_return_in_memory): Handle TDmode.
11015 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11016 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11018 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11020 * reorg.c (dbr_schedule): Use dump_file instead of file.
11022 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11025 * config/ia64/predicates.md (extr_len_operand): New predicate.
11026 * config/ia64/ia64.md (extv): Tighten constraints.
11028 (*tbit_and_2): Ditto.
11029 (*tbit_and_3): Ditto.
11030 (*tbit_or_2): Ditto.
11031 (*tbit_or_3): Ditto.
11032 (*bit_zero): Ditto.
11035 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11038 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11040 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11042 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11043 loop_optimizer_init and loop_optimizer_finalize
11044 * tree-ssa-sink.c (execute_sink_code): Ditto.
11045 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11046 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11047 tree_ssa_loop_done): Ditto.
11048 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11049 * sched-ebb.c: Include output.h.
11050 (schedule_ebbs): Do not use dump argument.
11051 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11052 * loop.c (loop_dump_stream): Removed.
11053 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11055 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11056 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11057 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11058 loop_iterations, strength_reduce, record_biv, record_giv,
11059 final_giv_value, check_final_value, check_ext_dependent_givs,
11060 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11061 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11062 dump_file instead of loop_dump_stream.
11063 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11064 argument dump_file.
11065 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11067 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11068 * haifa-sched.c: Include output.h
11069 (schedule_insns, sched_init): Do not use dump argument.
11070 * mode-switching.c (optimize_mode_switching): Ditto.
11071 * modulo-sched.c (stats_file): Removed.
11072 (print_node_sched_params): Do not call argument dump_file.
11073 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11074 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11076 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11078 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11079 rtl_loop_init, rtl_loop_done): Ditto.
11080 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11081 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11083 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11084 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11085 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11086 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11087 * emit-rtl.c (renumber_insns): Ditto.
11088 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11089 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11090 * regclass.c (regclass): Ditto.
11091 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11092 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11093 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11094 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11096 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11097 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11099 * gcse.c (gcse_file, debug_stderr): Removed.
11100 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11101 rest_of_handle_gcse): Do not use dump argument.
11102 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11103 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11104 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11105 compute_code_hoist_vbeinout, compute_code_hoist_data,
11106 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11107 compute_store_table, build_store_vectors, insert_insn_start_bb,
11108 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11109 store_motion): Use dump_file instead of gcse_file.
11110 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11111 * profile.c (profile_dump_file): Removed.
11112 (branch_prob): Use dump_file instead of profile_dump_file.
11113 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11115 * tree-ssa-copy.c (dump_copy_of): Ditto.
11116 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11117 dump file to life_analysis.
11118 * bt-load.c (branch_target_load_optimize): Ditto.
11119 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11121 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11122 regclass, dbr_schedule): Declaration changed.
11123 * sched-int.h (sched_init): Declaration changed.
11124 * tree-profile.c (tree_profile_dump_file): Removed.
11125 (tree_profile_hooks): Removed profile_dump_file hook.
11126 * rtl-profile (rtl_profile_dump_file): Removed.
11127 (rtl_profile_hooks): emoved profile_dump_file hook.
11128 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11130 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11131 * tree-cfg.c (build_tree_cfg): Ditto.
11132 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11133 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11134 Declaration changed.
11135 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11136 life_analysis and schedule_insns.
11137 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11139 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11141 * config/mips/mips.c (mips_reorg): Ditto.
11142 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11145 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11147 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11148 (s390_mangle_fundamental_type): New.
11149 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11152 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11153 (alpha_mangle_fundamental_type): New.
11154 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11157 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11159 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11161 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11162 (sparc_mangle_fundamental_type): New.
11164 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11166 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11167 (s390x-*-linux*): Likewise.
11168 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11169 * config/s390/t-linux: New file.
11171 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11173 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11174 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11176 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11178 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11179 (ANTIC_SAFE_LOADS): New macro.
11180 (find_or_generate_expression): Add prototype.
11181 (set_contains_value): Allow null set for sake of not always having
11182 to allocate ANTIC_SAFE_LOADS.
11183 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11184 Allow COMPONENT_REF too.
11185 (valid_in_set): Allow COMPONENT_REF.
11186 Check ANTIC_SAFE_LOADS too.
11187 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11188 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11190 (can_PRE_operation): Add COMPONENT_REF.
11191 (create_component_ref_by_pieces): New function.
11192 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11193 (insert_aux): Move AGGREGATE_TYPE_P check here.
11194 (compute_avail): Set bb local stmt uids.
11195 (pass_pre): Use TODO_update_ssa_only_virtuals.
11197 2006-02-06 Ben Elliston <bje@au.ibm.com>
11199 * configure.ac: Unconditionally disable decimal float by default.
11200 * configure: Regenerate.
11202 2006-02-06 Ben Elliston <bje@au.ibm.com>
11204 * read-rtl.c (read_name): Terminate reading on EOF.
11206 2006-02-06 Ben Elliston <bje@au.ibm.com>
11208 * dfp.c (decimal_real_arithmetic): Change second argument type
11209 from int to enum tree_code. Do not always return true, but now
11210 return result of any call to decimal_do helper functions.
11211 * dfp.h (decimal_real_arithmetic): Update prototype.
11213 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11215 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11217 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11220 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11223 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11225 * tree-vrp.c (cfg_loops): Removed.
11226 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11227 Use current_loops instead of cfg_loops. Pass flags to
11228 loop_optimizer_init.
11229 * cfgloopmanip.c (fix_loop_structure): Update only available
11231 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11232 loop_optimizer_init.
11233 * modulo-sched.c (build_loops_structure): Removed.
11234 (sms_schedule): Use loop_optimizer_init.
11235 * loop-init.c (loop_optimizer_init): Use flags to determine
11236 which properties of loops to prepare.
11237 (rtl_loop_init): Pass flags to loop_optimizer_init.
11238 * tree-ssa-sink.c (execute_sink_code): Ditto.
11239 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11240 * tree-ssa-pre.c (init_pre): Ditto.
11241 * cfgloop.h (LOOPS_NORMAL): New.
11242 (loop_optimizer_init): Declaration changed.
11244 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11246 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11247 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11249 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11251 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11253 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11254 * pa/t-pa64: Delete quadlib.c rule.
11255 * pa/x-ada: Revert last change.
11256 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11258 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11260 PR rtl-optimization/26087
11261 * rtlanal.c (canonicalize_condition): Do not cross basic block
11264 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11267 * config/ia64/ia64.c: Include debug.h.
11268 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11269 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11270 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11271 (process_epilogue, process_set, process_for_unwind_directive):
11272 Output unwind info only if requested. Add CFA info if requested.
11273 Add new arguments as needed. Adjust callers.
11274 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11276 (DWARF2_FRAME_INFO): Define to zero.
11277 * config/ia64/unwind-ia64.c: Remove code that compensated for
11278 the CFA offset error fixed above.
11279 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11280 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11281 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11282 -funwind-tables and -fexceptions to enable frame info.
11283 (dwarf2out_frame_init): Define initial CFA even if
11284 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11285 DWARF2_UNWIND_INFO is nonzero, not just defined.
11286 (dwarf2out_frame_finish): Output non-EH call frame info only
11287 if DWARF2_FRAME_INFO is nonzero.
11288 (convert_cfa_to_loc_list,
11289 compute_frame_pointer_to_cfa_displacement): Define even if
11290 unwind info is not supported.
11291 (gen_subprogram_die): Use the above unconditionally. Remove
11292 legacy alternate code.
11293 * toplev.c (compile_file): Compile in call to
11294 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11295 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11297 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11298 Jakub Jelinek <jakub@redhat.com>
11300 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11301 IBM extended float format long double as "g" on powerpc*-linux.
11303 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11306 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11307 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11309 2006-02-03 Jason Merrill <jason@redhat.com>
11312 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11314 PR middle-end/25977
11315 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11316 on the return slot if it's an NRV.
11318 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11320 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11321 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11322 rewrite_use): Do not handle USE_OUTER.
11323 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11324 add_iv_outer_candidates, may_replace_final_value,
11325 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11326 (find_interesting_uses_op): Functionality of
11327 find_interesting_uses_outer_or_nonlin moved here.
11328 (find_interesting_uses_outside): Use find_interesting_uses_op.
11330 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11333 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11335 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11336 Ulrich Weigand <uweigand@de.ibm.com>
11339 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11340 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11341 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11342 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11344 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11345 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11346 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11347 Define secondary reloads for TFmode moves.
11348 (constant_modes): Add TFmode.
11349 (NR_C_MODES): Set to 8.
11350 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11352 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11353 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11354 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11355 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11356 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11357 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11358 (FPR mode macro): Add TFmode.
11359 (DSF mode macro): New.
11360 (<de>, <dee> mode attributes): Removed.
11361 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11362 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11363 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11364 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11365 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11366 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11367 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11368 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11369 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11370 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11371 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11372 "*negabs<mode>2", "sqrt<mode>2"):
11373 Changed <de> to <xde>. R constraint replaced by <Rf>.
11374 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11376 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11377 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11378 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11380 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11381 "extenddftf2", "extendsftf2"): New expanders.
11382 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11383 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11384 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11385 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11387 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11388 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11389 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11390 __floatditf): Add a GCC_4.1.0 symbol version tag.
11391 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11394 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11397 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11398 Use targetm.binds_local_p instead of TREE_PUBLIC.
11400 2006-02-02 Roger Sayle <roger@eyesopen.com>
11402 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11403 on INTEGER_TYPEs to indicate that it denotes a character type.
11404 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11405 signed_char_type_node, unsigned_char_type_node and char_type_node.
11406 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11407 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11408 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11410 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11411 Daniel Berlin <dberlin@dberlin.org>
11413 * tree-tailcall.c (arg_needs_copy_p): New function.
11414 (eliminate_tail_call): Use arg_needs_copy_p.
11415 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11416 (add_virtual_phis): New function.
11418 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11420 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11421 #ignore instead of #scratch for %g7 .register directive.
11423 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11425 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11428 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11430 * flow.c (calculate_global_regs_live): Assert that there aren't any
11433 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11435 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11436 what its name says.
11437 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11438 bsi_after_labels iterator.
11439 * tree-if-conv.c (find_phi_replacement_condition,
11440 replace_phi_with_cond_modify_expr): Likewise.
11441 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11442 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11444 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11446 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11448 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11451 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11452 array after growing it.
11454 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11456 PR middle-end/24901
11457 * fold-const.c (fold_checksum_tree): Change type of buf.
11459 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11461 * reload.c (push_secondary_reload): Initialize t_icode.
11463 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11465 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11466 -msoft-float -mlong-double-128 only issue a warning, but don't
11467 swich to DFmode long double.
11469 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11471 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11472 has a constant equivalent, iterate over equivalents for arg0,
11473 calling simplify_relational_operation and if there's a result
11474 cheaper than X, apply fold_rtx and return the result.
11476 2006-02-01 Jan Hubicka <jh@suse.cz>
11478 * opts.c (no_unit_at_a_time_default): New global variable.
11479 (decode_options): Use it.
11480 * opts.h (no_unit_at_a_time_default): Declare.
11482 2006-02-01 Paul Brook <paul@codesourcery.com>
11484 * function.c (assign_parm_setup_reg): Use function argument promotion
11486 * expr.c (expand_expr_real_1): Use function argument promotion rules
11489 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11491 * gcc.c (process_command): Change j to 'unsigned int'.
11493 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11495 PR middle-end/26001
11496 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11497 Use the corrected index for the character
11498 out of the string constant.
11500 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11502 * mode-switching.c (optimize_mode_switching): Fix size
11503 allocated for bb_info[n_entities].
11505 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11507 * gcc.c (main): Correct type that is allocated for
11508 explicit_link_files.
11510 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11512 * config/s390/s390.c (init_alignment_context): Set
11513 ALIAS_SET_MEMORY_BARRIER on the MEM.
11514 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11516 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11518 PR middle-end/25933
11519 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11521 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11524 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11526 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11527 * regrename.c: Ditto.
11528 * tree-ssa-loop-im.c: Ditto.
11529 * tree-dump.c: Ditto.
11530 * tree-complex.c: Ditto.
11531 * genrecog.c: Ditto.
11532 * tree-ssa-threadupdate.c: Ditto.
11534 * java/class.c: Ditto.
11535 * java/jcf-parse.c: Ditto.
11536 * java/resource.c: Ditto.
11537 * java/except.c: Ditto.
11538 * java/jvspec.c: Ditto.
11539 * java/jcf-write.c: Ditto.
11540 * java/jcf-path.c: Ditto.
11541 * java/gjavah.c: Ditto.
11542 * java/zextract.c: Ditto.
11543 * java/jcf-io.c: Ditto.
11544 * java/jcf.h: Ditto.
11545 * java/buffer.c: Ditto.
11546 * java/lang.c: Ditto.
11547 * java/parse-scan.y: Ditto.
11548 * java/lex.c: Ditto.
11549 * java/lex.h: Ditto.
11550 * cfgloopmanip.c: Ditto.
11551 * postreload-gcse.c: Ditto.
11552 * tree-ssa-loop-manip.c: Ditto.
11553 * postreload.c: Ditto.
11554 * tree-ssa-loop-ch.c: Ditto.
11557 * cppspec.c: Ditto.
11558 * diagnostic.c: Ditto.
11560 * genoutput.c: Ditto.
11562 * cfghooks.c: Ditto.
11563 * cfgloopanal.c: Ditto.
11564 * objc/objc-act.c: Ditto.
11566 * genextract.c: Ditto.
11567 * genautomata.c: Ditto.
11568 * pretty-print.c: Ditto.
11569 * genemit.c: Ditto.
11570 * cgraphunit.c: Ditto.
11572 * df-scan.c: Ditto.
11573 * haifa-sched.c: Ditto.
11574 * dominance.c: Ditto.
11576 * tree-ssa-loop-ivopts.c: Ditto.
11577 * df-core.c: Ditto.
11578 * mode-switching.c: Ditto.
11579 * modulo-sched.c: Ditto.
11581 * ipa-pure-const.c: Ditto.
11583 * fix-header.c: Ditto.
11585 * tree-stdarg.c: Ditto.
11586 * ipa-utils.c: Ditto.
11587 * loop-init.c: Ditto.
11588 * ipa-inline.c: Ditto.
11589 * cfganal.c: Ditto.
11591 * alloc-pool.c: Ditto.
11592 * dwarf2out.c: Ditto.
11594 * genattrtab.c: Ditto.
11595 * tree-ssa-loop-ivcanon.c: Ditto.
11596 * predict.c: Ditto.
11597 * timevar.c: Ditto.
11599 * fortran/gfortranspec.c: Ditto.
11600 * regmove.c: Ditto.
11601 * local-alloc.c: Ditto.
11602 * langhooks.c: Ditto.
11603 * function.c: Ditto.
11604 * tree-vectorizer.c: Ditto.
11606 * ipa-type-escape.c: Ditto.
11608 * tree-if-conv.c: Ditto.
11609 * profile.c: Ditto.
11611 * tree-data-ref.c: Ditto.
11612 * loop-unroll.c: Ditto.
11613 * treelang/treetree.c: Ditto.
11615 * bt-load.c: Ditto.
11616 * ggc-common.c: Ditto.
11618 * coverage.c: Ditto.
11620 * tree-cfgcleanup.c: Ditto.
11621 * tree-ssa-pre.c: Ditto.
11622 * cfgcleanup.c: Ditto.
11623 * loop-invariant.c: Ditto.
11624 * loop-iv.c: Ditto.
11625 * ipa-prop.c: Ditto.
11626 * print-tree.c: Ditto.
11627 * conflict.c: Ditto.
11628 * ggc-page.c: Ditto.
11629 * sched-deps.c: Ditto.
11630 * regclass.c: Ditto.
11631 * tree-object-size.c: Ditto.
11632 * combine.c: Ditto.
11633 * bb-reorder.c: Ditto.
11634 * resource.c: Ditto.
11635 * var-tracking.c: Ditto.
11636 * cfgloop.c: Ditto.
11637 * df-problems.c: Ditto.
11638 * reg-stack.c: Ditto.
11640 * gccspec.c: Ditto.
11641 * sched-rgn.c: Ditto.
11642 * tree-ssa-structalias.c: Ditto.
11643 * tree-ssa-reassoc.c: Ditto.
11644 * config/darwin-c.c: Ditto.
11645 * config/darwin.c: Ditto.
11646 * config/arm/arm.c: Ditto.
11648 * collect2.c: Ditto.
11649 * reload1.c: Ditto.
11651 2006-01-31 Nicolas Pitre <nico@cam.org>
11653 * arm.md (smaxsi3): Make aware of smax_m1.
11656 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11658 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11660 2006-01-31 Richard Guenther <rguenther@suse.de>
11662 * doc/invoke.texi (-msselibm): Document.
11663 * target.h (expand_library_builtin): New target hook.
11664 * builtins.c (expand_builtin): Use expand_library_builtin.
11665 (default_expand_library_builtin): New function.
11666 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11667 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11668 (link_gcc_math_spec): Declare.
11669 (static_specs): Add link_gcc_math_spec.
11670 * expr.h (default_expand_library_builtin): Declare.
11671 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11672 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11673 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11674 * config/i386/i386.opt (msselibm): New target option.
11675 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11676 (ix86_init_sse_abi_builtins): New function.
11677 (ix86_expand_library_builtin): Likewise.
11678 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11679 (override_options): Handle error conditions wrt -msselibm.
11680 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11681 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11682 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11685 2006-01-31 Richard Guenther <rguenther@suse.de>
11686 Paolo Bonzini <bonzini@gnu.org>
11688 * doc/install.texi (--disable-libgcc-math): Document.
11690 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11692 * expr.h (expand_normal): new inline function.
11693 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11694 * dojump.c: use it.
11695 * dwarf2out.c: use it.
11698 * expmed.c: use it.
11699 * except.c: use it.
11700 * config/sparc/sparc.c: use it.
11701 * config/i386/i386.c: use it.
11702 * config/rs6000/rs6000.c: use it.
11703 * config/arm/arm.c: use it.
11704 * config/mips/mips.c: use it.
11705 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11707 2006-01-30 Roger Sayle <roger@eyesopen.com>
11709 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11710 argv to the appropriate type.
11712 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11714 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11717 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11720 * config/s390/s390.c (struct machine_function): New flag
11721 decomposed_literal_pool_addresses_ok_p.
11722 (s390_reorg): Set it before final stage of literal pool transforms.
11723 (s390_decompose_address): Only accept displacements of the form
11724 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11726 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11728 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11729 the comparison routine return.
11731 2006-01-30 Michael Matz <matz@suse.de>
11733 * global.c (find_reg): Only evict for global regs.
11734 Take n_refs into account and dump more info.
11736 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11739 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11740 (pragma_trap, pragma_nosave_low_regs): Likewise.
11741 (current_function_anonymous_args): Likewise.
11742 (sh_deferred_function_attributes): New variable.
11743 (sh_deferred_function_attributes_tail): Likewise.
11744 (print_operand): For '@', look up trap_exit attribute.
11745 (calc_live_regs): Look up trapa_handler attribute. For trapa
11746 handlers, save/restore fpscr, but don't do any other
11747 interrupt-specific saves.
11748 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11749 Fix check for partially saved registers to check for SHmedia.
11750 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11751 (sh_output_function_epilogue): Don't clear any of the removed
11753 (sh_insert_attributes): Don't check pragma_interrupt.
11754 Insert deferred attributes. Check that interrupt attribute is
11755 present for other attributes that require its presence.
11756 (sh_attribute_table): Add new attributes trapa_handler and
11758 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11759 Don't check for pragma_interrupt. Don't store argument.
11760 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11761 (sh_deferred_function_attributes): Declare.
11762 (sh_deferred_function_attributes_tail): Likewise.
11763 * sh.md (sp_switch_1): Add operand. Change generator caller.
11764 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11765 (*return_i): Don't use when trap_exit attribute is in effect.
11766 (*return_trapa): New insn pattern.
11767 * sh-c.c: New file.
11768 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11769 setting c_target_objs and cxx_target_objs.
11770 * t-sh: Add rule for sh-c.o.
11772 2006-01-30 Richard Guenther <rguenther@suse.de>
11775 * gimplify.c (gimplify_target_expr): Handle easy cases
11776 without creating a temporary.
11778 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11780 * vec.h (safe_grow): Remove duplicated line.
11782 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11785 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11786 (expand_omp): ... here.
11787 (expand_omp_parallel): Only remove barriers for combined
11788 parallel+workshare constructs.
11790 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11794 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11795 * tree.c (build_qualified_type): Chain the new type to the original
11796 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11797 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11798 (build_pointer_type_for_mode): Only return unqualified types.
11799 (build_reference_type_for_mode): Likewise.
11801 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11803 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11804 * Makefile.in (CXX_COMPAT_WARN): Define.
11805 * configure: Regenerate.
11807 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11810 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11813 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11815 * toplev.c: Fix thinko.
11817 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11818 Marcin Dalecki <martin@dalecki.de>
11820 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11821 (push_srcloc): Use XNEW.
11822 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11824 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11826 * df-core.c (df_set_blocks): Deleted all variable.
11828 2006-01-28 Ian Lance Taylor <ian@airs.com>
11830 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11831 cgraph_output_pending_asms.
11833 2006-01-28 Zack Weinberg <zackw@panix.com>
11835 * c.opt: Add -W(no-)overlength-strings.
11836 * doc/invoke.texi: Document it.
11837 * c-opts.c (c_common_handle_option): -pedantic implies
11838 -Woverlength-strings, if not explicitly disabled already.
11839 (c_common_post_options): -Woverlength-strings defaults to off, and
11840 is always off for C++.
11841 * c-common.c (fix_string_type): Issue warning about strings longer
11842 than is portable only if warn_overlength_strings. Rearrange code
11843 a little for clarity.
11844 * configure.in: Check for -Wno-overlength-strings as well before
11845 enabling -pedantic in stage 1.
11846 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11847 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11849 * genconditions.c (write_header, write_one_condition)
11850 (write_conditions, write_writer): Consolidate very long strings
11851 that were broken up to fit in C89 portable limit. Don't use
11852 printf when fputs will do.
11854 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11856 * combine.c (simplify_comparison <AND>): Check
11857 TRULY_NOOP_TRUNCATION before start using a subreg.
11859 * config/mips/mips.md (*branch_zero<mode>,
11860 *branch_zero<mode>_inverted, *branch_equality<mode>,
11861 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11862 Remove mode check from comparisons.
11864 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11866 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11868 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11870 * expmed.c (const_mult_add_overflow_p): Remove.
11871 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11873 * recog.c (validate_replace_rtx_subexp): Remove.
11874 * recog.h: Remove the prototype for
11875 validate_replace_rtx_subexp.
11877 * integrate.h: Remove the prototype for
11878 copy_decl_for_inlining.
11879 * rtl.h: Remove the prototype for mark_constant_function.
11880 * tree-vectorizer.h: Remove the prototype for
11881 vect_strip_conversion.
11883 * modulo-sched.c (create_partial_schedule,
11884 free_partial_schedule, reset_partial_schedule): Make them
11887 * hooks.c (hook_bool_rtx_int_false): Remove.
11888 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11890 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11892 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11893 and -mlong-double-128 are incompatible.
11894 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11895 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11896 (TARGET_LIBGCC2_CFLAGS): Define.
11897 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11898 (TARGET_LIBGCC2_CFLAGS): Same.
11899 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11901 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11904 * c-typeck.c (build_binary_op): Perform implicit casts of
11905 operands before shortening them.
11907 * cfgloopmanip.c (split_loop_bb): Remove.
11908 * cfgloop.h: Remove the prototype for split_loop_bb.
11910 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11911 * cfgloop.h: Remove the prototype for
11912 flow_loop_outside_edge_p.
11914 * emit-rtl.c (init_virtual_regs): Make it static.
11915 * function.h: Remove the prototype for init_virtual_regs.
11917 * recog.c (peephole2_optimize): Make it static.
11918 * recog.h: Remove the prototype for peephole2_optimize.
11920 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11922 * df-scan.c (df_record_entry_block_defs): Check if
11923 INCOMING_RETURN_ADDR_RTX is defined.
11925 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11926 Kenneth Zadeck <zadeck@naturalbridge.com>
11928 PR rtl-optimization/24762
11929 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11930 * targhooks.c (hook_void_bitmap): New hook prototype.
11931 * targhoohs.h (hook_void_bitmap): Ditto.
11932 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11933 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11934 * target.h (live_on_entry): New function pointer.
11935 * df-scan.c (df_all_hard_regs): Removed.
11936 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11937 (df_scan_free_internal): Added df->entry_block_defs.
11938 (df_scan_alloc): Ditto.
11939 (df_scan_dump): Ditto.
11940 (df_uses_record): Plumbed flag field properly thru calls.
11941 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11942 This part fixes PR24762.
11943 (df_bb_refs_record): Added code to make the frame and arg
11944 pointers live in EH blocks.
11945 (df_refs_record): Added call to df_record_entry_block_defs.
11946 (df_record_entry_block_defs): New function.
11947 * df-core.c: Added comments to describe new artifical defs.
11948 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11949 (entry_block_defs): New field in struct df.
11950 (df_all_hard_regs): Deleted.
11951 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11952 * df-problems.c (df_ru_bb_local_compute_process_def):
11953 Added code to handle artifical defs in the entry to a function.
11954 (df_ru_bb_local_compute): Ditto.
11955 (df_rd_bb_local_compute_process_def): Ditto.
11956 (df_rd_bb_local_compute): Ditto.
11957 (df_lr_bb_local_compute): Ditto.
11958 (df_ur_bb_local_compute): Ditto.
11959 (df_urec_bb_local_compute): Ditto.
11960 (df_chain_create_bb): Ditto.
11961 (df_ur_local_finalize): Removed entry.
11962 (df_urec_init): Ditto.
11963 (df_urec_local_finalize): Ditto.
11964 (df_ri_bb_compute): Added detection of last use of pseudos.
11965 * Makefile.in (df-scan.o): Updated dependencies.
11966 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11967 * config/mips/mips.c (mips_set_live_on_entry): Added.
11968 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11970 * dce.c (marked_insn_p): Added code to handle artifical defs.
11972 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11974 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11976 (_mm_cvtsi128_si64): Likewise.
11977 (_mm_cvtsd_si64): Likewise.
11978 (_mm_cvttsd_si64): Likewise.
11979 (_mm_cvtsi64_sd): Likewise.
11980 (_mm_cvtsi64_si128): Likewise.
11981 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11982 (_mm_cvtsi64_m64): Likewise.
11983 (_m_to_int64): Likewise.
11984 (_mm_cvtm64_si64): Likewise.
11985 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11986 (_mm_cvttss_si64): Likewise.
11987 (_mm_cvtsi64_ss): Likewise.
11988 (_mm_cvtss_f32): Likewise.
11990 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11992 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11993 for pragma redefine_extname.
11995 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11998 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11999 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12000 -mno-minimal-toc to previous content.
12001 (bispecs): Remove goal.
12002 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12003 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12004 compatibility aliases on powerpc-*-*gnu*.
12005 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12006 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12007 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12008 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12009 (ldblspecs): New goal.
12010 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12011 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12013 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12014 L_sf_to_tf or L_df_to_tf is defined.
12016 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12017 Alan Modra <amodra@bigpond.net.au>
12020 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12021 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12022 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12023 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12024 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12025 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12026 (rs6000_override_options): Initialize rs6000_ieeequad.
12027 Initialize TFmode format to ibm_extended_format if not
12029 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12031 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12032 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12033 (function_arg_advance): IBM long double passed in two FPRs, not
12035 (function_arg): IBM long double passed in FPRs.
12036 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12037 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12038 Only multireg GPR aligned.
12039 (rs6000_init_libfuncs): Enable IBM long double functions if not
12041 (rs6000_generate_compare): Use IBM long double compare if not
12043 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12044 (TARGET_IEEEQUAD): Define.
12045 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12046 not TARGET_IEEEQUAD.
12047 * config/rs6000/rs6000.md: Enable TFmode patterns if
12049 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12050 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12051 and -mlong-double-128 are incompatible.
12052 * doc/invoke.texi (-mabi): Collect options together. Add
12053 ibmlongdouble and ieeelongdouble.
12055 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12057 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12059 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12060 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12061 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12062 * rtl.h (rtunion_def): Remove rt_ptr.
12064 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12065 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12066 * config/i386/winnt.c (i386_pe_mark_dllexport)
12067 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12069 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12071 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12073 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12077 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12078 pthread_key_delete. From John David Anglin. gthrw-ify
12079 pthread_getunique_np only if it it's not a macro. Delete
12081 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12082 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12083 __gthread_objc_condition_signal, __gthread_key_delete): Add
12084 "__attribute__ ((__unused__))" to unused arguments.
12085 (__gthread_recursive_mutex_init_function): Add missing return.
12086 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12087 gthr-posix95.h: Use macro-based approach for name redirection
12088 on targets missing weakref.
12090 2006-01-26 Zack Weinberg <zackw@panix.com>
12092 * genconditions.c (write_header): In generated code, #ifdef out
12093 all includes and fake declarations, except includes of bconfig.h
12094 and system.h, unless GCC_VERSION >= 3001. Do not include
12095 gensupport.h in any case.
12096 (write_conditions): Generate a definition of struct c_test. Add
12097 a comment to the generated #endif.
12098 (write_one_condition): Escape backslashes in string too.
12099 (write_writer): Generated code must escape backslashes and quote
12100 marks (but not newlines) in the strings it writes.
12101 * Makefile.in (build/gencondmd.o): Update dependencies.
12103 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12106 * Makefile.in (insn-automata.o): Add header file dependencies.
12107 * genautomata.c: Add includes.
12109 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12112 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12114 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12116 * configure.ac: Expect target tools paths to be passed from the toplevel
12117 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12119 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12121 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12124 * c.opt (Wpointer-sign): Init to -1.
12125 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12126 OPT_pedantic, to 0 otherwise.
12127 * doc/invoke.texi: Update.
12129 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12131 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12132 constants provided by 80387 instructions in the destination mode.
12134 2006-01-26 Richard Guenther <rguenther@suse.de>
12135 Andrew Pinski <pinskia@physics.uc.edu>
12138 partial PR tree-opt/17064
12139 * tree-ssa-structalias.c (intra_create_variable_infos):
12140 Create heap variables for incoming parameters if
12141 flag_argument_noalias > 1.
12142 (find_what_p_points_to): Look through default defs of
12145 2006-01-26 Jeff Law <law@redhat.com>
12148 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12149 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12150 within the VR_RANGE, use the VR_RANGE as the result, not the
12152 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12153 bounds for the type.
12155 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12157 * tree-ssa-alias.c (maybe_create_global_var): Change
12158 subvar walking to an assertion that we don't have subvar'd variables.
12160 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12163 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12164 Use a new variable, inner. PARM_DECLs are always non-weak.
12166 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12168 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12169 --disable-checking.
12171 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12173 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12175 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12177 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12178 (smax_insn, smin_insn, smax_0, smin_0): New.
12180 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12183 * config/cris/cris.c (cris_order_for_addsi3): New function.
12184 * config/cris/cris-protos.h: Prototype it.
12185 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12186 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12187 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12188 (split for "op.S1 [rx=rx+i],ry (swapped)")
12189 (split for "op(s|u).S1 [rx=rx+i],ry")
12190 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12191 Apply cris_order_for_addsi3 when generating addsi3 insns.
12193 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12195 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12196 (TREE_BLOCK): Add call to EXPR_CHECK.
12198 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12201 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12202 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12203 (dump_omp_clauses): ... here.
12204 (dump_generic_node): Handle OMP_CLAUSE.
12205 * tree.c (omp_clause_num_ops): New.
12206 (omp_clause_code_name): New.
12207 (tree_code_size): Handle OMP_CLAUSE.
12208 (tree_size): Likewise.
12209 (make_node): Document handling of OMP_CLAUSE.
12210 (tree_node_structure): Handle OMP_CLAUSE.
12211 (omp_clause_check_failed): New.
12212 (omp_clause_range_check_failed): New.
12213 (omp_clause_operand_check_failed): New.
12214 (build_omp_clause): New.
12215 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12216 * tree.h (enum omp_clause_code): Declare.
12217 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12218 (OMP_CLAUSE_RANGE_CHECK): Define.
12219 (OMP_CLAUSE_ELT_CHECK): Define.
12220 (omp_clause_check_failed): Declare.
12221 (omp_clause_operand_check_failed): Declare.
12222 (omp_clause_range_check_failed): Declare.
12223 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12224 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12225 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12226 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12227 (OMP_CLAUSE_IF_EXPR): Likewise.
12228 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12229 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12230 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12231 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12232 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12233 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12234 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12235 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12236 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12237 (OMP_CLAUSE_CODE): Define.
12238 (OMP_CLAUSE_SET_CODE): Define.
12239 (OMP_CLAUSE_CODE): Define.
12240 (OMP_CLAUSE_OPERAND): Define.
12241 (struct tree_omp_clause): Declare.
12242 (union tree_node): Add field 'omp_clause'.
12243 * treestruct.def (TS_OMP_CLAUSE): Define.
12244 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12245 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12246 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12247 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12248 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12249 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12250 (OMP_CLAUSE): Define.
12251 * print-tree.c (print_node): Handle OMP_CLAUSE.
12252 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12253 * c-typeck.c: Likewise.
12254 * gimplify.c: Likewise.
12255 * c-omp.c: Likewise.
12256 * tree-nested.c: Likewise.
12257 * tree-inline.c: Likewise.
12258 * c-parser.c: Likewise.
12259 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12262 2006-01-25 Roger Sayle <roger@eyesopen.com>
12264 PR rtl-optimization/25703
12265 * combine.c (try_combine): Handle zero_extract and strict_low_part
12266 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12268 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12270 * global.c: Fix comment typos.
12272 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12275 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12276 Use output_addr_const instead of assemble_name.
12278 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12280 * Makefile.in (sched-vis.o): Update dependencies.
12281 * haifa-sched.c (sched_finish): Clear current_sched_info.
12282 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12283 (dump_flow_info): Call it.
12284 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12286 * basic-block.h (dump_bb_info): Declare.
12287 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12288 option, and apply options only for dump files whose TDF_RTL,
12289 TDF_TREE, or TDF_IPA bits match.
12290 * rtl.h: Declare new functions exported from sched-vis.c.
12291 * sched-vis.c: Enable also if scheduling is not used.
12292 (print_value): Print the mode of registers if not inside scheduling.
12293 (print_insn): Make it work outside the scheduler. Beautify the output
12295 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12297 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12299 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12300 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12301 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12302 depending on the value of CONSTANT_POOL_ADDRESS_P.
12303 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12305 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12306 rather than SYMBOL_REF_DECL.
12307 (rtx_constant_pool): Remove const_rtx_sym_htab.
12308 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12309 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12310 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12311 Remove handling of const_rtx_sym_htab.
12312 (find_pool_constant): Delete.
12313 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12314 rather than find_pool_constant.
12315 (get_pool_constant_for_function): Delete.
12316 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12317 find_pool_constant.
12318 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12319 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12320 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12321 (SYMBOL_REF_CONSTANT): New macro.
12322 (get_pool_constant_for_function): Delete.
12323 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12324 rather than SYMBOL_REF_DECL.
12325 (i386_pe_mark_dllimport): Likewise.
12326 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12327 rather than SYMBOL_REF_DECL.
12328 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12329 (machopic_indirect_call_target): Likewise.
12331 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12333 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12335 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12337 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12339 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12341 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12343 2006-01-24 David Daney <ddaney@avtrex.com>
12346 * configure.ac (enable_tls): New enable option.
12347 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12348 * configure: Regenerate.
12349 * doc/install.texi (--enable-tls): Document new option.
12350 (--disable-tls): Ditto.
12352 2006-01-24 Richard Henderson <rth@redehat.com>
12354 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12355 * alias.c (true_dependence): Respect it.
12356 (canon_true_dependence, write_dependence_p): Likewise.
12357 * builtins.c (get_builtin_sync_mem): Set it.
12359 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12361 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12364 2006-01-24 DJ Delorie <dj@redhat.com>
12366 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12367 for storing constants in single-bit bitfields.
12369 2006-01-25 Ben Elliston <bje@au.ibm.com>
12371 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12373 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12376 * tree-ssa-pre.c (phi_translate): Return NULL
12377 for AGGREGATE_TYPE's.
12379 2006-01-24 Zack Weinberg <zackw@panix.com>
12381 * genautomata.c (process_state_for_insn_equiv_partition):
12382 Use xcalloc for insn_arcs_array.
12383 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12384 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12386 2006-01-24 Richard Henderson <rth@redhat.com>
12388 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12389 update all callers.
12391 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12393 PR rtl-optimization/25890
12394 PR rtl-optimization/25905
12395 * combine.c (expand_compound_operation, expand_field_assignment):
12396 Fail if the bitfield's final position is out of bounds.
12398 2006-01-24 Ian Lance Taylor <ian@airs.com>
12400 PR middle-end/25930
12401 * cgraphunit.c (cgraph_output_in_order): Don't clear
12402 cgraph_asm_nodes until after asm strings have been output.
12404 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12406 * fix-header.c (read_scan_file): Add new parameter imultilib when
12407 calling register_include_chains.
12409 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12411 * omp-low.c: Update documentation.
12413 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12414 Daniel Berlin <dberlin@dberlin.org>
12418 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12419 return from the function.
12421 2006-01-22 Zack Weinberg <zackw@panix.com>
12423 * rtl.def (match_code): Add second argument.
12424 * genpreds.c (write_extract_subexp): New function.
12425 (write_match_code): Add path argument. Use write_extract_subexp.
12426 (write_predicate_expr): Pass path to write_match_code.
12427 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12428 not perform a mode test.
12429 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12430 a subexpression does not constrain the top-level code set.
12431 * read-rtl.c (read_rtx_variadic): New function.
12432 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12433 * doc/md.texi: Document new notation.
12434 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12435 (cmpsi_operand): ... here, using new notation.
12437 2006-01-22 Zack Weinberg <zackw@panix.com>
12439 * varray.c: Remove GENERATOR_FILE #ifdefs.
12441 2006-01-22 Zack Weinberg <zackw@panix.com>
12443 * genautomata.c (output_reserved_units_table): Emit nothing if
12444 description->query_units_num is zero. Remove extra blank line.
12445 (output_cpu_unit_reservation_p): Short circuit
12446 if description->query_units_num is zero.
12448 2006-01-22 Zack Weinberg <zackw@panix.com>
12450 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12451 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12452 nor any of the random handful of variables that used to be necessary
12453 when this program was linked with rtlanal.o. Prune set of forward
12454 function declarations.
12455 (struct attr_desc): Remove static_p field.
12456 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12457 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12458 (attr_string): Do not read the character one past the length of
12460 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12461 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12462 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12463 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12464 (make_automaton_attrs): New.
12465 (main): Do not call into genautomata. Call local gen_bypass
12466 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12467 Remove special case for insn_alts.
12468 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12469 varray.h (leftover from previous change). Prune set of forward
12470 function declarations. Remove state_alts fields from all
12471 structures. Remove state_alts_table from struct automaton.
12472 Make everything except main static. Do not maintain num_dfa_decls.
12473 Do not maintain state_alts fields of various structures.
12474 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12475 (add_arc): Remove state_alts argument. All callers updated.
12476 (output_reserved_units_table): Emit #ifdef here...
12477 (output_tables): ...not here. Don't generate state_alts tables.
12478 (expand_automata): Don't generate attributes.
12479 (write_automata): Don't generate state_alts functions.
12480 (main): New function.
12481 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12482 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12483 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12484 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12485 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12486 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12487 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12488 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12490 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12491 * genattrtab.h: Delete file.
12492 * Makefile.in (OBJS-common): Add insn-automata.o.
12493 (insn-automata.o): New rule.
12494 (simple_generated_c): Add insn-automata.c.
12495 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12496 (genprogmd): Add automata.
12497 (build/genattrtab): Needs no extra objects nor libraries.
12498 (build/genautomata): Needs build/vec.o and -lm.
12500 2006-01-22 Zack Weinberg <zackw@panix.com>
12502 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12503 (output_dfa_max_issue_rate, locked_states_num): Delete.
12504 (struct automaton): Add locked_states field.
12505 (output_dead_lock_vect): Save number of locked states in
12506 automaton->locked_states. If it is zero, don't print anything.
12507 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12508 (output_internal_dead_lock_func): Only test the dead_lock_vect
12509 for automata that have locked states.
12510 (output_statistics): Always print the number of locked states for
12511 each automaton. Calculate total number of locked states here.
12512 (write_automata): Don't call output_dfa_max_issue_rate.
12513 * genattrtab.c: Define length_unit_log as a const variable.
12514 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12515 max_insn_queue_index const.
12516 * final.c (length_unit_log): Declare const.
12517 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12519 2006-01-22 Zack Weinberg <zackw@panix.com>
12521 * genautomata.c: Include vec.h, not varray.h.
12522 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12523 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12524 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12525 VEC_* macros operating on appropriately typed vectors, or to
12526 malloced arrays when the size is known in advance. Const-ify
12527 many char* variables and function arguments. No functional changes.
12528 * Makefile.in (build/varray.o): Delete rule.
12529 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12530 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12532 2006-01-22 Zack Weinberg <zackw@panix.com>
12534 * gensupport.c: Define get_insn_name and record_insn_name here.
12535 (read_md_rtx): Call record_insn_name as appropriate.
12536 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12537 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12538 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12540 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12541 (BUILD_VARRAY): Delete.
12542 (genprognormal): Rename genprogmd. Fold in all programs from
12543 genprognoprint; also attrtab.
12544 (build/genattrtab): Just mention genautomata.o and varray.o.
12545 Reorganize a bit, add comments to make the categories clearer.
12547 2006-01-22 Zack Weinberg <zackw@panix.com>
12549 * genconditions.c (condition_table, add_condition): Delete.
12550 (write_conditions): Don't emit n_insn_conditions nor
12551 insn_elision_unavailable. Issue the gcc version #ifdef here,
12552 inside the table, with no #else clause ...
12553 (write_header): ...not here.
12554 (write_writer): New function.
12555 (main): Don't initialize condition_table. Use add_c_test.
12557 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12558 files on the command line.
12559 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12560 Return -1 if there is no entry in the table, don't abort.
12561 (add_c_test, traverse_c_tests): New functions.
12562 * gensupport.h (insn_elision_unavailable, insn_conditions)
12563 (n_insn_conditions): Delete declarations.
12564 (add_c_test, traverse_c_tests): Declare.
12565 * read-rtl.c: Include gensupport.h.
12566 (read_conditions): New function.
12567 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12568 (read_rtx_1): If we get EOF when we were looking for an initial
12569 open paren, return 0. Call read_conditions when appropriate.
12570 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12571 dummy-conditions.o. Eliminate references to insn-conditions.o,
12572 or change them to build/gencondmd.o, as appropriate. Remove
12573 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12574 from $(simple_generated_c). For all files remaining in those
12575 two lists, add insn-conditions.md to the generator command line.
12576 Give insn-constants.h/s-constants their own rules. Add rules
12577 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12578 (build/read-rtl.o): Depend on gensupport.h.
12579 (genprognormal): Include preds.
12580 (genprogearly): Rename genprognoprint; only difference is now that
12581 they don't link with $(BUILD_PRINT).
12582 * dummy-conditions.c: Delete.
12584 2006-01-22 Zack Weinberg <zackw@panix.com>
12586 * genextract.c: Don't include insn-config.h. Do include vec.h.
12587 Declare vectors of int, char, and locstr.
12588 (locstr): New typedef.
12589 (struct extraction): Make all array fields into bare pointers.
12590 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12591 (insn_code_number): Delete.
12592 (accum_extract): New struct.
12593 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12594 (gen_insn): Take insn_code_number as an argument. Use an
12595 accum_extract structure instead of loading data directly into
12596 a struct extraction, and having to know how big it might get.
12597 (walk_rtx): Operate entirely on an accum_extract structure.
12598 (print_path): Avoid unnecessary use of printf.
12599 (print_header): New function, split out of main. Distinguish
12600 more carefully between an unrecognizable insn and an insn that
12601 has the code number of a define_expand.
12602 (main): Pass insn_code_number to gen_insn. Call print_header
12603 only after parsing. Avoid unnecessary use of printf.
12604 * Makefile.in (build/vec.o): New rule.
12605 (build/genextract): Depend on build/vec.o.
12606 (build/genextract.o): Don't depend on insn-config.h.
12608 2006-01-22 Zack Weinberg <zackw@panix.com>
12610 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12611 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12612 practical. Eliminate per-generator-program link rules.
12614 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12616 PR middle-end/24437
12617 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12618 with a call expr to ...
12619 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12621 2006-01-23 Richard Guenther <rguenther@suse.de>
12623 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12624 before make_edge with conditional EDGE_TRUE_VALUE.
12626 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12627 Jan Hubicka <jh@suse.cz>
12628 Richard Guenther <rguenther@suse.de>
12630 PR rtl-optimization/25654
12631 * cfgexpand.c (aggregate_contains_union_type): New function.
12632 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12633 for structure variables that contain a union type.
12635 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12637 * gengtype.c (new_structure): Return the structure.
12638 (create_option): Add an extra "next" argument.
12639 (create_field): New function.
12640 (adjust_field_rtx_def): Use create_option and create_field.
12641 Remove a now-unnecessary call to find_structure.
12642 (adjust_field_tree_def): Likewise.
12643 (note_yacc_type): Remove an unnecessary call to find_structure.
12644 * gengtype.h (new_structure): Return the structure.
12645 (create_option): Add an extra argument.
12646 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12647 (option): Adjust calls to create_option.
12649 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12651 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12653 2006-01-22 Paul Brook <paul@codesourcery.com>
12654 Peter Barada <peter@the-baradas.com>
12656 * config/m68k/m68k.md: Add Coldfire FPU support.
12657 Define FP mode macro and associated attributes.
12658 Use it for float mode patterns.
12659 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12660 (LIBCALL_VALUE): Use m68k_libcall_value.
12661 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12662 (m68k_function_value): Ditto.
12663 (emit_move_sequence): Ditto.
12664 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12665 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12666 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12667 (MULTILIB_EXCEPTIONS): Ditto.
12668 * config/m68k/m68k.opt: Add mcfv4e.
12669 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12670 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12671 (m68k_output_function_prologue): Save ColdFire FPU registers.
12672 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12673 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12674 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12675 ColdFire FPU registers.
12676 (m68k_libcall_value, m68k_function_value): New functions.
12677 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12678 (LIBCALL_VALUE): Use m68k_libcall_value.
12679 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12680 (MASK_COLDFIRE): Add MASK_CFV4E.
12681 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12682 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12683 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12684 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12685 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12686 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12687 * doc/invoke.tex: Document -mcfv4e on m68k.
12689 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12691 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12694 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12697 * c-opts.c (c_common_handle_option): Don't include
12698 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12699 * doc/invoke.texi (C++ Dialect Options): Document that
12700 -Wnon-virtual-dtor is no longer included in -Wall.
12702 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12704 * gcov.c (print_version), gcov-dump.c (print_version),
12705 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12708 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12710 * df-scan.c (problem_SCAN): Added NULL reset function.
12711 (df_scan_reset_blocks): Added code to call reset block function
12712 (df_bb_refs_delete) Fixed comment.
12713 (df_insn_refs_delete): Made tolerant of deleting non existent info
12714 for dataflow problems that need to be reset.
12715 * df-core.c (df_set_blocks): Ditto.
12716 * df.h (struct df_problem): Added reset_fun.
12717 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12718 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12719 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12720 functions to clear out all references to def-use or use-def chains.
12722 2006-01-21 Ben Elliston <bje@au.ibm.com>
12724 * varasm.c (assemble_real): Initialise data array.
12726 2006-01-20 Paul Brook <paul@codesourcery.com>
12728 Merge from csl-arm-branch.
12729 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12730 * config/arm/arm.md (movdi): Force operands[1] to a register
12731 if we have a non-register source.
12732 (*arm_movdi, *movdf_soft_insn): Require that one of the
12733 operands be a register.
12734 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12735 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12737 2006-01-20 DJ Delorie <dj@redhat.com>
12739 * varasm.c (initializer_constant_valid_p): Allow pointers
12740 initialized from integer constants of lesser precision.
12741 (output_constant): Allow non-int-sized pointer modes to be
12742 initialized from integer constants.
12744 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12747 * cppdefault.h (struct default_include): Add multilib flag.
12748 * cppdefault.c (cpp_include_defaults): Set it.
12749 * c.opt (-imultilib): New option.
12750 * c-opts.c (imultilib): New.
12751 (c_common_handle_option): Handle -imultilib.
12752 (c_common_post_options): Likewise.
12753 * c-incpath.c (add_standard_paths, register_include_chains):
12755 * c-incpath.h (register_include_chains): Add extra parameter.
12756 * gcc.c (do_spec_1): Generate -imultilib option.
12757 (The Specs Language): Update %I description.
12758 (process_command): Update copyright notice.
12759 * doc/cppopts.texi (-imultilib): Document.
12760 * doc/invoke.texi (-imultilib): Include in option summary.
12761 (%I): Update specs documentation.
12763 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12765 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12767 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12769 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12772 2006-01-20 Richard Guenther <rguenther@suse.de>
12773 Steven Bosscher <stevenb.gcc@gmail.com>
12775 PR rtl-optimization/24626
12776 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12777 EDGE_TRUE_VALUE if in RTL mode.
12780 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12781 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12783 2006-01-20 Dirk Mueller <dmueller@suse.com>
12786 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12787 instead of a special NOP marker.
12788 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12789 NOP marker handling.
12790 * c-common.h (empty_body_warning): Add forward declaration.
12791 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12792 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12794 2006-01-20 Paul Brook <paul@codesourcery.com>
12796 * Makefile.in (lang_checks): Keep going if mkdir fails.
12798 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12800 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12801 be able to clean out basic block when not necessary.
12802 (df_scan_free): Fixed to properly delete information if df is
12803 unused before calling df_finish.
12804 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12805 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12807 (df_bb_refs_delete): New function.
12808 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12809 * df-core.c (df_set_blocks): Added code to properly clean out
12810 unused blocks if they are not part of the blocks to consider.
12811 Added additional null check.
12812 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12813 be able to clean out basic block when not necessary
12814 * df.h (df_free_bb_function): Ditto.
12815 (df_bb_refs_delete): New function.
12816 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12817 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12818 basic block parameter to be able to clean out basic block when not
12820 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12821 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12822 Fixed to properly delete information if df is unused before
12825 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12827 PR rtl-optimization/25799
12828 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12829 Corrected confluence operator to remove bits from op2 before oring
12830 with op1 rather than removing bits from op1.
12831 (df_ru_transfer_function): Corrected test on wrong bitmap which
12832 caused infinite loop. Both of these problems were introduced in
12833 the dataflow rewrite.
12835 2006-01-19 DJ Delorie <dj@redhat.com>
12837 * reload1.c (find_reload_regs): Note the details of reload
12838 failures in the dump file.
12839 (spill_failure): Likewise.
12841 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12843 * loop-iv.c: Include df.h and hashtab.h.
12844 (enum iv_grd_result): New enum.
12845 (DF_REF_IV, DF_REF_IV_SET): New macros.
12846 (struct biv_entry): New.
12847 (df, bivs): New global variables.
12848 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12849 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12851 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12852 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12853 analyzed_for_bivness_p, record_biv): New functions.
12854 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12855 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12856 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12858 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12860 (iv_number_of_iterations): Use new interface to iv analysis.
12861 * loop-unroll.c: Do not include varray.h.
12862 (analyze_iv_to_split_insn): Use new interface to iv
12864 * loop-unswitch.c (may_unswitch_on): Ditto.
12865 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12867 (df_bb_modify): Realloc tables to the new index.
12868 (df_find_use): New function.
12869 * df.h (df_find_use): Declare.
12870 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12872 * cfgloop.h (struct rtx_iv): Remove analysed field.
12873 (iv_get_reaching_def): Removed.
12874 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12875 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12876 (loop-iv.o): Add df.h and hashtab.h dependency.
12877 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12879 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12882 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12884 (__floatundisf, __floatundidf): Likewise.
12885 * libgcc2.h (IS_IBM_EXTENDED): Define.
12887 2006-01-19 DJ Delorie <dj@redhat.com>
12889 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12891 2006-01-19 Paul Brook <paul@codesourcery.com>
12893 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12894 as nothrow when unwinding tables are disabled.
12896 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12899 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12900 of bit-field" when in system header.
12902 2006-01-19 DJ Delorie <dj@redhat.com>
12904 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12905 the 16 bit shift limit of the m16c.
12907 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12910 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12911 * config/i386/i386.c (output_set_got): Output the label if we have one
12912 for the TARGET_DEEP_BRANCH_PREDICTION case.
12914 2006-01-19 Jan Hubicka <jh@suse.cz>
12915 H.J. Lu <hongjiu.lu@intel.com>
12916 Evandro Menezes <evandro.menezes@amd.com>
12918 * invoke.texi (generic): Document
12920 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12921 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12922 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12923 (x86_use_incdec, x86_pad_returns): New variables
12924 (TARGET_CPU_DEFAULT_generic): New constant
12925 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12926 (enum processor_type): Add generic32 and generic64.
12927 * i386.md (cpu attribute): Add generic32/generic64
12928 (movhi splitter): Behave sanely when both partial_reg_dependency and
12929 partial_reg_stall are set.
12930 (K8 splitters): Enable for generic as well.
12931 * predicates.md (incdec_operand): Use TARGET_INCDEC
12932 (aligned_operand): Avoid memory mismatch stalls.
12933 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12934 * ppro.md: Enable for generic32
12935 * i386.c (generic64_cost, generic32_cost): New.
12936 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12937 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12938 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12939 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12940 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12941 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12942 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12943 x86_accumulate_outgoing_args, x86_prologue_using_move,
12944 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12945 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12946 Enable for generic.
12947 (x86_use_incdec, x86_pad_returns): New.
12948 (override_options): Add generic32 and generic64, translate "generic"
12949 to generic32/generic64 and "i686" to "generic32", refuse
12950 "generic32"/"generic64" as arch target.
12951 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12952 (ix86_reorg): Honor PAD_RETURNS.
12954 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12956 * tree-pretty-print.c (dump_generic_node): Handle
12957 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12958 * cgraph.c (cgraph_expand_queue): Rename from
12959 cgraph_analyze_queue. Update all users.
12960 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12961 cgraph_expand_queue.
12962 (cgraph_expand_all_functions): Likewise.
12963 (cgraph_finalize_pending_functions): Remove. Update callers.
12965 * tree.h (OMP_DIRECTIVE_P): Define.
12966 (OMP_PARALLEL_FN): Define.
12967 (OMP_PARALLEL_DATA_ARG): Define.
12968 (OMP_SECTIONS_SECTIONS): Define.
12969 * tree-pass.h (pass_expand_omp): Declare.
12970 * omp-low.c (struct omp_region): Declare.
12971 (struct omp_context): Remove fields 'parallel_type',
12972 'parallel_start_ix' and 'parallel_start_additional_args'.
12974 (struct omp_for_data): Rename from struct expand_omp_for_data.
12975 (omp_regions): New static variable.
12976 (root_omp_region): New static variable.
12977 (find_omp_clause): Make static.
12978 (is_in_combined_parallel_ctx): Remove.
12979 (is_combined_parallel): New.
12980 (extract_omp_for_data): Move earlier in the file.
12981 (workshare_safe_to_combine_p): New.
12982 (get_ws_args_for): New.
12983 (determine_parallel_type): Move earlier in the file.
12984 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12986 (omp_copy_decl): Likewise.
12987 (create_omp_child_function): Likewise.
12988 (lookup_omp_region): New.
12989 (dump_omp_region): New.
12990 (debug_omp_region): New.
12991 (debug_all_omp_regions): New.
12992 (new_omp_region): New.
12993 (scan_omp_parallel): If parallel_nesting_level > 1, the
12994 directive is nested within another parallel directive.
12995 Set OMP_PARALLEL_FN.
12996 (scan_omp_for): Do not try to handle combined parallel+for
12998 Remove FIXME comment.
12999 (scan_omp_nested): Remove.
13000 (scan_omp_1): Do not call scan_omp_nested when
13001 parallel_nesting_level is > 1.
13002 Do not change the DECL_CONTEXT of local variables found.
13003 (lookup_decl_in_outer_ctx): New.
13004 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13005 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13006 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13007 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13008 If CTX is nested, lookup VAR in the outer context when
13009 building copy assignment.
13010 (lower_send_clauses): Rename from expand_send_clauses.
13011 If CTX is nested, lookup VAR in the outer context when
13012 building copy assignments.
13013 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13014 If CTX is nested, lookup VAR in the outer context when
13015 building copy assignments.
13016 (expand_parallel_call): Rename from build_parallel_call.
13017 Handle combined parallel+workshare cases.
13018 Re-implement to emit code into the CFG.
13020 (expand_omp_parallel): Re-implement to emit code into the CFG.
13021 Call move_sese_region_to_fn to outline the sub-graph
13022 containing the parallel region.
13023 (expand_omp_for_1): Remove.
13024 (expand_omp_for_generic): Re-implement to emit code into the
13026 (expand_omp_for_static_nochunk): Likewise.
13027 (expand_omp_for_static_chunk): Likewise.
13028 (expand_omp_for): Likewise.
13029 (expand_omp_sections): Likewise.
13030 (remove_exit_barriers): New.
13031 (expand_omp_synch): New.
13033 (build_omp_regions_1): New.
13034 (build_omp_regions): New.
13035 (execute_expand_omp): New.
13036 (gate_expand_omp): New.
13037 (pass_expand_omp): Define.
13038 (lower_omp_sections): Rename from expand_omp_sections.
13039 Set OMP_SECTIONS_SECTIONS.
13040 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13041 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13042 (lower_omp_single): Rename from expand_omp_simple.
13043 (lower_omp_master): Rename from expand_omp_master.
13044 (lower_omp_ordered): Rename from expand_omp_ordered.
13045 (lower_omp_critical): Rename from expand_omp_critical.
13046 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13047 (lower_omp_for): Re-implement.
13048 (lower_omp_parallel): Re-implement.
13049 (lower_regimplify): Rename from expand_regimplify.
13050 (lower_omp_1): Rename from expand_omp_1.
13051 If there are syntax errors in the program, replace every
13052 OpenMP directive with NOP.
13053 Call lower_omp_* instead of expand_omp_*.
13054 (lower_omp): Rename from expand_omp.
13056 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13057 * tree-gimple.h (enum omp_parallel_type): Remove.
13058 (gimple_boolify): Declare extern.
13059 (find_omp_clause, determine_parallel_type): Remove.
13061 * gimple-low.c (lower_omp_directive): New.
13062 (lower_stmt): Call it.
13063 (record_vars_into): Move from ...
13064 (record_vars): ... here.
13065 Call record_vars_into with current_function_decl.
13067 * gimplify.c (struct gimplify_ctx): Remove fields
13068 combined_pre_p and combined_ctxp. Update users.
13069 (get_formal_tmp_var): Add documentation.
13070 (gimple_boolify): Make extern.
13071 (gimplify_expr_in_ctx): Remove. Update callers.
13072 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13073 will always be a BIND_EXPR.
13074 (gimplify_expr): Handle OMP_RETURN_EXPR.
13075 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13076 (OMP_PARALLEL): Add 3 operands.
13077 (OMP_SECTIONS): Add 1 operand.
13078 (OMP_RETURN_EXPR): Define.
13080 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13081 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13082 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13083 creating a circular free list.
13084 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13086 * tree-flow.h (move_sese_region_to_fn): Declare.
13087 (record_vars_into): Declare.
13088 * tree-cfg.c (make_omp_sections_edges): New.
13089 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13090 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13091 OMP_SECTIONS and OMP_SECTION.
13092 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13093 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13094 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13095 (gather_blocks_in_sese_region): New.
13096 (struct move_stmt_d): Declare.
13097 (move_stmt_r): New.
13098 (move_block_to_fn): New.
13099 (move_sese_region_to_fn): New.
13101 * passes.c (init_optimization_passes): Schedule
13102 pass_expand_omp after pass_init_datastructures.
13104 * tree-ssa-operands.c (get_expr_operands): Handle
13105 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13106 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13108 2006-01-19 Jeff Law <law@redhat.com>
13110 * tree-vrp.c (extract_range_from_assert): Refine the result range
13111 if the variable referenced by the ASSERT_EXPR has a range and
13112 either the tentative result range or the previous range is a
13115 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13117 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13119 2006-01-19 Jan Hubicka <jh@suse.cz>
13121 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13123 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13125 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13126 (expand_compound_operation, expand_field_assignment): Fail if the
13127 bit lengths of an extract operation are out of range.
13128 (make_extraction): Compute wanted_inner_mode based on the position
13129 and length of the extraction. Make it extraction_mode for non-constant
13130 positions, and do not modify offset in that case. When generating a
13131 new MEM, use a mode that can hold the extraction while keeping correct
13132 alignment. Remove code that supported MEMs wrapped by USEs.
13133 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13135 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13137 * config/s390/s390.md ("Y", "y"): New mode attribute.
13138 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13139 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13140 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13141 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13142 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13143 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13144 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13145 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13146 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13147 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13148 "addsi3", "subsi3"): Insn patterns removed.
13149 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13150 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13151 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13152 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13153 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13154 "*sub<mode>3_cconly2"): New insn patterns.
13155 ("addsi3", "subsi3"): New expanders.
13157 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13159 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13160 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13161 existing STMT_VINFO_VECTYPE if available.
13162 (vect_mark_relevant): Add special handling for stmts that are
13163 marked as STMT_VINFO_IN_PATTERN_P.
13164 (vect_analyze_loop): Call vect_pattern_recog.
13165 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13166 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13168 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13169 (vect_recog_func_ptr): New function-pointer type.
13170 * tree-vect-patterns.c: New file.
13171 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13172 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13173 (vect_pattern_recog_1): New functions.
13174 (vect_pattern_recog_funcs): New array of function pointers.
13176 * tree-vectorizer.h (ternary_op): New enum value.
13177 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13178 declaration. Revised documentation. Removed redundant dump prints.
13179 Removed redundant argument. Added support for reduction patterns.
13180 (vectorizable_reduction): Added support for reduction patterns.
13181 (vect_transform_stmt): Added support for patterns.
13183 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13184 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13185 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13186 (expand_widen_pattern_expr): New function.
13187 (init_optabs): Initialize new optabs udot_prod_optab,
13189 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13190 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13191 (expand_widen_pattern_expr): New function declaration.
13192 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13194 * tree-inline.c (estimate_num_insns_1): Added cases for new
13195 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13196 * tree-pretty-print.c (dump_generic_node): Likewise.
13197 (op_prio): Likewise.
13198 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13199 * tree-ssa-operands.c (get_expr_operands): Added case for
13201 * tree-vect-patterns.c (widened_name_p): New function.
13202 (vect_recog_dot_prod_pattern): Added function implementation.
13203 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13204 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13205 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13206 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13208 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13209 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13210 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13211 (init_optabs): Initialize new optabs widen_ssum_optab,
13213 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13214 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13215 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13216 use instead of type of def.
13217 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13218 function implementation.
13219 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13220 widen_ssumv8hi): New.
13222 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13225 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13228 * c-decl.c (add_flexible_array_elts_to_size): New function.
13229 (finish_decl): Use it.
13231 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13233 * diagnostic.h: Include options.h.
13234 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13235 dependancies for diagnostic.h.
13236 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13238 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13240 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13241 (ssa_ro_call_cache_valid): Ditto.
13242 * tree-ssa-alias.c (sort_tags_by_id): New function.
13243 (init_transitive_clobber_worklist): Ditto.
13244 (add_to_worklist): Ditto.
13245 (mark_aliases_call_clobbered): Ditto.
13246 (compute_tag_properties): Ditto.
13247 (set_initial_properties): Ditto.
13248 (compute_call_clobbered): Ditto.
13249 (compute_may_aliases): Call compute_call_clobbered and grouping.
13250 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13251 (compute_flow_insensitive_aliasing): Grouping now happens in our
13253 (setup_pointers_and_addressables): Remove clobbering related code.
13254 (add_may_alias): Ditto.
13255 (replace_may_alias): Ditto.
13256 (get_nmt_for): Ditto.
13257 (create_global_var):
13258 (is_escape_site): Return an escape_type enumeration.
13259 * tree-flow-inline.h (is_call_clobbered): Global var does not
13260 imply call clobbered.
13261 (mark_call_clobbered): Take a reason for marking this. Remove
13262 marking of globalness, and cache invalidation.
13263 (clear_call_clobbered): Remove cache invalidation code.
13264 * tree-dfa.c (dump_variable): If details is on, dump the reason
13266 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13268 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13269 (struct var_ann_d): Ditto.
13270 (enum escape_type): New.
13271 (mark_call_clobbered): Adjust prototype.
13272 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13273 are never call clobbered.
13274 Record reasons for escaping.
13275 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13276 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13277 (ssa_ro_call_cache_valid): Ditto.
13278 (clobbered_v_may_defs): Ditto.
13279 (clobbered_vuses): Ditto.
13280 (ro_call_vuses): Ditto.
13281 (clobber_stats): New.
13282 (init_ssa_operands): Zero out clobber stats.
13283 (fini_ssa_operands): Print out clobber stats.
13284 (get_call_expr_operands): Pass callee fndecl to
13285 add_call_read_ops).
13286 (add_call_clobber_ops): Remove use of cache.
13287 Add use of PURE_CONST information.
13288 (add_call_read_ops): Remove use of cache.
13289 Add use of static not_read information.
13291 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13293 Introduce TLS descriptors for i386 and x86_64.
13294 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13295 (TARGET_ANY_GNU_TLS): New macro.
13296 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13297 (struct machine_function): Add tls_descriptor_call_expanded_p.
13298 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13299 (ix86_current_function_calls_tls_descriptor): Likewise.
13300 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13301 (override_options): Introduce gnu2 tls dialect.
13302 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13304 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13306 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13307 (ix86_init_machine_status): Initialize new field.
13308 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13309 (ix86_tls_module_base): New.
13310 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13311 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13312 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13313 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13314 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13315 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13316 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13317 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13318 * config/i386/predicates.md (tls_modbase_operand): New.
13319 (tp_or_register_operand): New.
13321 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13323 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13324 (look_for_address_of): Ditto.
13325 (ipa_init): Walk the function decls.
13326 (static_execute): Don't set readonly on FUNCTION_DECL's.
13328 2006-01-18 Roger Sayle <roger@eyesopen.com>
13330 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13331 for shifts where the source and destination registers are different.
13333 2006-01-18 Paul Brook <paul@codesourcery.com>
13335 Merge from csl-arm-branch.
13336 2005-03-14 Julian Brown <julian@codesourcery.com>
13337 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13338 (aeabi_llsl): Likewise.
13339 (ashrdi3): Likewise.
13340 (aeabi_lasr): Likewise.
13341 (lshrdi3): Likewise.
13342 (aeabi_llsr): Likewise.
13343 2005-03-10 Julian Brown <julian@codesourcery.com>
13344 * config.gcc: Disable shared libgcc for SymbianOS.
13345 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13347 2006-01-18 DJ Delorie <dj@redhat.com>
13349 * c-pragma.c (handle_pragma_diagnostic): New.
13350 (init_pragma): Register it.
13351 * doc/extend.texi: Document it.
13353 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13354 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13355 (diagnostic_context): Add classify_diagnostic[].
13356 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13357 as errors if they're overridden to DK_WARNING.
13358 (diagnostic_initialize): Initialize classify_diagnostic[].
13359 (diagnostic_set_kind_override): New.
13360 (diagnostic_report_diagnostic): Check for kind changes.
13361 * opts.c (common_handle_option): Take lang_mask. Update callers.
13362 Handle OPT_Werror_.
13363 * common.opt (Werror=): New.
13364 * doc/invoke.texi: Document -Werror=*
13366 2006-01-18 Jeff Law <law@redhat.com>
13368 * tree-vrp.c (test_for_singularity): Correct test for new
13369 min limit. Use operand_equal_p rather than pointer equality
13370 for testing if new min/max values are equal.
13372 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13373 using range information until after propagation and folding.
13375 2006-01-18 Richard Henderson <rth@redhat.com>
13376 Aldy Hernandez <aldyh@redhat.com>
13377 Jakub Jelinek <jakub@redhat.com>
13378 Diego Novillo <dnovillo@redhat.com>
13380 * omp-low.c: New file.
13381 * c-omp.c: New file.
13383 2006-01-18 Richard Henderson <rth@redhat.com>
13384 Jakub Jelinek <jakub@redhat.com>
13385 Diego Novillo <dnovillo@redhat.com>
13387 * doc/invoke.texi: Document -fopenmp.
13388 * tree-dump.h (debug_function): Declare.
13389 * hooks.c (hook_bool_tree_bool_false): New function.
13390 (hook_tree_tree_null): Remove.
13391 (hook_tree_tree_tree_null): New.
13392 * hooks.h: Update to match.
13393 * tree-pretty-print.c (debug_tree_chain): New.
13394 (print_generic_expr): Handle TDF_CHAIN.
13395 (dump_generic_node): Handle BLOCK.
13396 Do not abort with incomplete SWITCH_EXPRs.
13397 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13398 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13399 print space after directive name.
13400 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13401 Handle OMP_MASTER and OMP_ORDERED.
13402 Handle printing of OMP_BODY just in one place, goto
13403 dump_omp_body in the rest of OMP_* nodes that have
13405 Don't handle clause nodes here. Update omp statements to
13406 use dump_omp_clauses.
13407 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13408 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13409 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13410 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13411 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13412 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13413 Adjust output for GOMP_PARALLEL.
13414 (dump_omp_clauses): New.
13415 (print_declaration): Dump DECL_VALUE_EXPR.
13416 (op_symbol_1): Split out of op_symbol.
13417 (dumping_stmts): Remove. Update all users.
13418 * cgraph.c (cgraph_analyze_queue): New.
13419 (cgraph_add_new_function): New.
13420 * cgraph.h (cgraph_analyze_queue): Declare.
13421 (cgraph_add_new_function): Declare.
13422 (cgraph_lower_function): Remove.
13423 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13424 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13425 and TYPE_P nodes in its default clause.
13426 (empty_body_p): New.
13427 (tree_range_check_failed): New.
13428 (build5_stat): New.
13429 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13430 OMP_CLAUSE_REDUCTION_MERGE,
13431 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13432 OMP_CLAUSE_PRIVATE_DEBUG,
13433 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13434 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13435 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13436 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13437 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13438 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13439 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13440 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13441 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13442 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13443 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13444 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13445 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13446 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13447 (TREE_RANGE_CHECK): New.
13448 (empty_body_p): Declare.
13449 (enum omp_clause_default_kind): New.
13450 (build_string_literal): Declare.
13451 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13452 (build5_stat, build5): Declare.
13453 * tree-pass.h (TDF_CHAIN): Define.
13454 * tree-pass.h (PROP_gimple_lomp): Define.
13455 (pass_lower_omp): Declare.
13456 * diagnostic.h (debug_tree_chain): Declare.
13457 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13459 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13460 * builtins.c (build_string_literal): Make extern.
13461 * gcc.c (include_spec_function): New.
13462 (static_spec_functions): Add it.
13463 (main): Move load of libgomp.spec ...
13464 (LINK_COMMAND_SPEC): ... here.
13465 (link_gomp_spec): New.
13466 (static_specs): Include it.
13467 (LINK_COMMAND_SPEC): Add link_gomp.
13468 (GOMP_SELF_SPECS): New.
13469 (driver_self_specs): Include it.
13470 (switch_matches): Don't mark inline.
13471 (main): Load libgomp.spec.
13472 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13473 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13474 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13475 * tree-gimple.h (enum omp_parallel): Declare.
13476 (determine_parallel_type): Declare.
13477 (omp_firstprivatize_variable): Declare.
13478 (omp_reduction_init): Declare.
13479 (diagnose_omp_structured_block_errors): Declare.
13480 (struct walk_stmt_info): Add want_return_expr.
13481 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13482 (find_omp_clause): Declare.
13483 (insert_field_into_struct): Declare.
13484 (struct walk_stmt_info): Move from tree-nested.c
13485 (walk_stmts): Declare.
13486 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13488 * cgraphunit.c (cgraph_lower_function): Make static.
13489 (cgraph_finalize_pending_functions): New.
13490 (cgraph_finalize_function): Call it.
13491 (cgraph_finalize_compilation_unit): Likewise.
13492 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13493 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13494 (BT_FN_UINT_UINT): New.
13495 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13496 DEF_FUNCTION_TYPE_VAR_4): Document.
13497 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13498 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13499 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13500 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13501 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13502 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13503 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13504 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13505 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13506 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13507 into separate files.
13508 (DEF_GOMP_BUILTIN): New.
13509 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13510 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13511 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13512 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13513 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13514 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13515 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13516 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13517 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13518 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13519 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13520 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13521 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13522 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13523 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13524 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13525 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13526 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13527 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13528 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13529 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13530 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13531 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13532 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13533 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13534 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13535 * sync-builtins.def: New file, moved from builtins.def.
13536 * omp-builtins.def: New file, moved from builtins.def.
13537 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13538 * gimple-low.c (lower_function_body): Clear data.
13539 (lower_stmt): Do not handle COMPOUND_EXPR.
13540 Remove call to print_node_brief.
13541 * c-tree.h (c_finish_omp_clauses): New prototype.
13542 (C_DECL_THREADPRIVATE_P): Define.
13543 (lookup_name_no_remap, c_omp_remap_private): Remove
13544 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13545 (check_for_loop_decls): Update decl.
13546 (lookup_name_no_remap, c_omp_remap_private): Declare.
13547 (build_indirect_ref, build_modify_expr, pushdecl,
13548 pushdecl_top_level): Move to c-common.h.
13549 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13550 before the switch, but just in the 2 places that need it.
13551 * c-decl.c (diagnose_mismatched_decls): Do not check for
13552 mismatched thread-local attributes when OLDDECL is marked
13553 threadprivate and NEWDECL has no thread-local attributes.
13554 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13555 (c_gimple_diagnostics_recursively): Rename from
13556 c_warn_unused_result_recursively. Invoke
13557 diagnose_omp_structured_block_errors.
13558 (check_for_loop_decls): Return a singular decl found.
13559 * langhooks.c (lhd_omp_predetermined_sharing): Return
13560 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13561 (lhd_omp_firstprivatize_type_sizes): New.
13562 (lhd_omp_assignment): New.
13563 (lhd_omp_predetermined_sharing): New.
13564 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13565 (struct lang_hooks_for_types): Add
13566 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13567 omp_predetermined_sharing, omp_disregard_value_expr,
13568 omp_private_debug_clause, omp_clause_default_ctor,
13569 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13570 (c_finish_omp_clauses): New.
13571 (c_finish_bc_stmt): Diagnose break within omp for.
13572 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13573 (build_unary_op): Return error_mark after reporting
13575 (build_modify_expr): Likewise.
13576 * gimplify.c: Include optabs.h and pointer-set.h.
13577 (enum gimplify_omp_var_data): Declare.
13578 (struct gimplify_omp_ctx): Declare.
13579 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13581 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13582 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13583 (splay_tree_compare_decl_uid): New.
13584 (new_omp_context): New.
13585 (delete_omp_context): New.
13586 (gimple_add_tmp_var): Call omp_add_variable.
13587 (gimplify_bind_expr): Likewise.
13588 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13589 true, disregard DECL_VALUE_EXPR on the decl if any.
13590 (gimplify_expr_in_ctx): New.
13591 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13592 omp_add_variable, omp_notice_variable, omp_is_private
13593 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13594 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13595 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13596 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13597 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13598 gimplify_omp_atomic): New.
13599 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13600 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13601 OMP_CRITICAL and OMP_ATOMIC.
13602 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13603 * c-pragma.h (enum pragma_kind): Add
13604 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13605 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13606 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13607 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13608 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13609 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13610 PRAGMA_OMP_THREADPRIVATE.
13611 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13612 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13613 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13614 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13615 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13616 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13617 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13618 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13619 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13620 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13621 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13622 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13623 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13625 (struct nesting_info): Add field_map,
13626 suppress_expansion, debug_var_chain.
13627 (create_nesting_tree): Initialize them.
13628 (lookup_field_for_decl): Use field_map.
13629 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13630 (convert_local_omp_clauses): New.
13631 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13632 (walk_body): Split out of walk_function.
13633 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13634 (convert_nonlocal_reference): Handle omp statements.
13635 (convert_local_reference): Likewise.
13636 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13637 (unnest_nesting_tree): New.
13638 (lower_nested_functions): Call it.
13639 (insert_field_into_struct): Make extern.
13640 (struct walk_stmt_info): Move to tree-gimple.h.
13641 (walk_stmts): Make extern.
13642 * omp-builtins.def: New file.
13643 * tree-iterator.c (expr_only): Clarify comment.
13644 * c-common.h (pushdecl_top_level, pushdecl,
13645 build_modify_expr, build_indirect_ref,
13646 c_finish_omp_master, c_finish_omp_critical,
13647 c_finish_omp_ordered, c_finish_omp_barrier,
13648 c_finish_omp_atomic, c_finish_omp_flush,
13649 c_finish_omp_for, c_split_parallel_clauses,
13650 omp_clause_default_kind, c_omp_sharing_predetermined,
13651 c_omp_remap_decl): Declare.
13652 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13653 (OBJS-common): Add omp-low.o.
13654 (c-omp.o, omp-low.o): Add.
13655 (gimplify.o): Add dependency on $(OPTABS_H).
13656 (GTFILES): Add omp-low.c.
13657 (gt-stringpool.h): Add.
13658 * tree-cfg.c (set_bb_for_stmt): Do not update the
13659 block-to-labels map if we are currently expanding to RTL.
13660 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13662 Handle IDENTIFIER_NODE.
13663 (tree_verify_flow_info): Do not ICE when emitting error
13664 messages about invalid labels.
13665 (dump_function_to_file): Reset CFUN before emitting the body
13667 (debug_function): New.
13668 * passes.c (init_optimization_passes): Schedule
13670 * langhooks-def.h (lhd_omp_predetermined_sharing,
13671 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13673 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13674 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13675 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13676 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13677 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13678 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13679 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13680 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13681 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13682 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13683 (LANG_HOOK_DECLS): Use them.
13685 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13686 Richard Henderson <rth@redhat.com>
13687 Jakub Jelinek <jakub@redhat.com>
13688 Diego Novillo <dnovillo@redhat.com>
13690 * c-parser.c (pragma_omp_clause): Define.
13691 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13692 (c_parser_compound_statement): Likewise.
13693 (c_parser_statement): Likewise.
13694 (c_parser_pragma): Handle omp pragmas.
13695 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13696 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13697 (c_parser_omp_clause_name, check_no_duplicate_clause,
13698 c_parser_omp_variable_list,
13699 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13700 c_parser_omp_clause_copyprivate,
13701 c_parser_omp_clause_default,
13702 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13703 c_parser_omp_clause_lastprivate,
13704 c_parser_omp_clause_nowait,
13705 c_parser_omp_clause_num_threads,
13706 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13707 c_parser_omp_clause_reduction,
13708 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13709 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13710 c_parser_omp_atomic, c_parser_omp_barrier,
13711 c_parser_omp_critical, c_parser_omp_flush,
13712 c_parser_omp_for_loop, c_parser_omp_for,
13713 c_parser_omp_master, c_parser_omp_ordered,
13714 c_parser_omp_sections_scope, c_parser_omp_sections,
13715 c_parser_omp_parallel, c_parser_omp_single,
13716 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13717 * c-pragma.c (init_pragma): Do omp pragma registration here.
13718 * c.opt (fopenmp): New flag.
13720 2006-01-18 Eric Christopher <echristo@apple.com>
13722 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13723 * config/darwin.h (GOMP_SELF_SPECS): Define.
13725 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13727 * rtl.h: Remove the prototype for reg_alloc.
13729 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13732 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13733 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13734 sjlj and dwarf2 exception handling.
13735 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13736 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13737 * pa/pa.c (function_value): Treat complex and vector types as
13739 (function_arg): Likewise. Only pass scalar floats in the floating
13740 point argument registers.
13741 * pa/t-slibgcc-dwarf-ver: New file.
13742 * pa/t-slibgcc-sjlj-ver: New file.
13743 * pa/t-slibgcc-elf-ver: Delete file.
13745 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13747 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13748 unlikely_test_section_p test.
13750 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13752 * mode-switching.c (optimize_mode_switching): Make it static.
13753 * basic-block.h: Remove the prototype for
13754 optimize_mode_switching.
13756 * modulo-sched.c (sms_schedule): Make it static.
13757 * rtl.h: Remove the prototype for sms_schedule.
13759 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13760 * rtl.h: Remove the prototype for gcse_after_reload_main.
13762 * reg-stack.c (reg_to_stack): Make it static.
13763 * rtl.h: Remove the prototype for reg_to_stack.
13765 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13767 * rtl.h: Remove the prototypes for regrename_optimize and
13768 copyprop_hardreg_forward.
13770 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13772 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13773 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13774 Test against the appropriate null constant for the mode.
13775 If 'fixup_overlap' is true, swap the operands if they overlap.
13776 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13777 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13778 alpha_split_tmode_pair and adjust for above change.
13779 * config/alpha/alpha.md (movtf_internal): Adjust call to
13780 alpha_split_tfmode_pair and rely on it to swap the operands.
13781 (movti_internal): New insn and post-reload splitter.
13782 (movti): New expander.
13784 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13786 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13789 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13791 * rtlanal.c (global_reg_mentioned_p_1,
13792 global_reg_mentioned_p): Remove.
13793 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13795 * flow.c (initialize_uninitialized_subregs): Make it static.
13796 * rtl.h: Remove the prototype for
13797 initialize_uninitialized_subregs.
13799 * function.c (instantiate_virtual_regs): Make it static.
13800 * function.h: Remove the prototype for
13801 instantiate_virtual_regs.
13803 * regmove.c (regmove_optimize, combine_stack_adjustments):
13805 * rtl.h: Remove the prototypes for regmove_optimize and
13806 combine_stack_adjustments.
13808 2006-01-17 Roger Sayle <roger@eyesopen.com>
13810 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13811 (size_cost): Encode costs in bytes so that a reg-reg addition is
13812 equivalent to COSTS_N_INSNS(1).
13813 (override_options): Use the size_cost.branch_cost as the default
13814 ix86_branch_cost when optimizing for size.
13816 2006-01-18 Ben Elliston <bje@au.ibm.com>
13818 * Makefile.in (D32PBIT_FUNCS): New.
13819 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13820 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13821 D64PBIT_FUNCS and D128PBIT_FUNCS.
13822 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13823 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13825 (decnumber_dep): Define.
13826 * doc/libgcc.texi (Decimal float library routines): New node.
13827 * config/dfp-bit.h, config/dfp-bit.c: New files.
13829 2006-01-18 Ben Elliston <bje@au.ibm.com>
13831 * expr.c (emit_move_change_mode): Always adjust addresses, not
13832 just during reload. Copy replacements only during reload.
13833 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13834 emit_move_via_integer.
13836 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13838 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13839 instead of $(srcdir) and ${srcdir}.
13841 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13844 PR middle-end/11135
13845 * arm.h (struct machine_function): Add pic_reg.
13846 * arm.c (arm_pic_register): Make unsigned.
13847 (arm_override_options): Only set arm_pic_register if
13848 TARGET_SINGLE_PIC_BASE.
13849 (use_return_insn): Only test for a pic register if it is fixed.
13850 (arm_compute_save_reg0_reg12_mask): Likewise.
13851 (thumb_compute_save_reg_mask): Likewise.
13852 (legitimate_pic_operand): Factor out some known invariants.
13853 (legitimize_pic_address): If we don't have a fixed pic register,
13854 then set up a pseudo in the function entry sequence. Handle the
13855 pic base being in a pseudo.
13856 (arm_load_pic_register): Handle the pic register being in a pseudo.
13857 (arm_expand_prologue): Only set up the pic register if it is fixed.
13858 (thumb_expand_prologue): Likewise.
13859 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13860 (pic_load_addr_based_insn): Likewise.
13861 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13864 2006-01-18 Ben Elliston <bje@au.ibm.com>
13866 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13867 decimal float modes for all floating point registers.
13869 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13870 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13872 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13875 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13876 even when the pointer is not NULL.
13878 2006-01-16 Ian Lance Taylor <ian@airs.com>
13880 * common.opt (ftoplevel-reorder): New option.
13881 * cgraph.c (cgraph_asm_nodes): New global variable.
13882 (cgraph_asm_last_node): New static variable.
13883 (cgraph_order): New global variable.
13884 (cgraph_create_node): Set new order field.
13885 (cgraph_varpool_node): Likewise.
13886 (decide_is_variable_needed): Return true if not
13887 flag_toplevel_reorder.
13888 (cgraph_add_asm_node): New function.
13889 * cgraph.h (struct cgraph_node): Add order field.
13890 (struct cgraph_varpool_node): Add order field.
13891 (struct cgraph_asm_node): Define.
13892 (cgraph_asm_nodes, cgraph_order): Declare.
13893 (cgraph_add_asm_node): Declare.
13894 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13896 (cgraph_varpool_assemble_pending_decls): Call it.
13897 (cgraph_output_pending_asms): New static function.
13898 (cgraph_finalize_compilation_unit): Call it.
13899 (struct cgraph_order_sort): Define.
13900 (cgraph_output_in_order): New static function.
13901 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13902 !flag_toplevel_reorder case.
13903 * c-parser.c: Include "cgraph.h".
13904 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13906 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13907 than -fno-unit-at-a-time.
13908 * doc/invoke.texi (Option Summary): Mention
13909 -fno-toplevel-reorder.
13910 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13911 -funit-at-a-time documentation.
13913 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13914 Kazu Hirata <kazu@codesourcery.com>
13916 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13918 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13920 * Makefile.in (FUNCTION_H): New. Use it instead of
13921 function.h throughout the file.
13922 * function.h: Include tree.h.
13924 2006-01-17 Ben Elliston <bje@au.ibm.com>
13926 * recog.c: Separate some functions with whitespace.
13928 2006-01-16 Richard Henderson <rth@redhat.com>
13930 Merge from gomp branch:
13931 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13932 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13933 and rename from struct inline_data. Rename callee* to dst*;
13934 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13935 transform_new_cfg, transform_return_to_modify, and
13936 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13938 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13939 (copy_decl_for_dup): Remove.
13940 * tree-inline.c (struct inline_data): Move to header.
13941 (insert_decl_map): Export.
13942 (remap_decl): Update for member name changes. Use copy_decl hook.
13943 Allow for replacement to be a non-decl. Remove dead code.
13944 (remap_type_1): Check for existing mapping.
13945 (remap_type): Export.
13946 (remap_decls): Update for member name changes.
13947 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13948 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13949 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13950 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13951 (tree_function_versioning, build_duplicate_type): Likewise.
13952 (copy_body_r): Likewise. Export.
13953 (copy_decl_for_dup): Split into ...
13954 (copy_decl_for_dup_finish, copy_decl_to_var,
13955 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13956 (replace_ref_tree, inlining_p): Remove.
13958 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13960 * ifcvt.c (if_convert): Make it static.
13961 * rtl.h: Remove the prototype for if_convert.
13963 * local-alloc.c (local_alloc): Make it static.
13964 * rtl.h: Remove the prototype for local_alloc.
13966 * loop.c (loop_optimize): Make it static.
13967 * cfgloop.h: Remove the prototype for loop_optimize.
13970 2006-01-16 DJ Delorie <dj@redhat.com>
13972 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13975 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13977 * pa.md: Disparage copies between general and floating-point registers
13978 in 32-bit move patterns.
13980 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13983 * Makefile.in (check-%): Depend on site.exp instead of
13984 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13987 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13989 * global.c (global_alloc): Make it static.
13990 * rtl.h: Remove the prototype for global_alloc.
13992 2006-01-16 Richard Guenther <rguenther@suse.de>
13994 * tree-ssa-alias.c (struct used_part): Add write_only field.
13995 (get_or_create_used_part_for): Initialize it to true.
13996 (create_overlap_variables_for): Don't create structure variables
13997 for structures that only are written to.
13998 (find_used_portions): Handle MODIFY_EXPR to track whether a
13999 structure is only written to.
14001 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14003 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14005 * basic-block.h: Remove the prototype for
14006 partition_hot_cold_basic_blocks.
14008 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14010 * cppspec.c (lang_specific_spec_functions): Remove.
14011 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14012 * gcc.h (lang_specific_spec_functions): Remove.
14013 * gccspec.c (lang_specific_spec_functions): Remove.
14015 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14017 * combine.c (record_value_for_reg): Invalidate registers
14019 (record_dead_and_set_regs_1): Likewise, by passing them to
14020 record_value_for_reg.
14021 (record_dead_and_set_regs): Invalidate stores made by a
14022 call. We do not combine across a call, but we still
14023 relied on equivalences.
14025 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14027 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14028 vrp_int_const_binop returning non-constant nodes.
14030 2006-01-16 Paul Brook <paul@codesourcery.com>
14032 * config/m68k/m68k.c (output_move_const_into_data_reg):
14033 Output correct mnemonic for mvz and mvs.
14035 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14037 * rtl-factoring.c: Add sequence abstraction algorithm.
14038 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14039 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14041 (block_has_preserve_label): New function.
14042 * common.opt: Register new pass.
14043 * Makefile.in: Ditto.
14045 * timevar.def: Ditto.
14046 * tree-pass.h: Ditto.
14047 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14048 * rtl.h (make_jump_insn_raw): Add forward decl.
14049 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14051 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14052 Roger Sayle <roger@eyesopen.com>
14054 * fold-const.c (fold_minmax): New static function.
14055 (fold_binary) <MIN_EXPR>: Call it.
14056 <MAX_EXPR>: Likewise.
14057 * stor-layout.c (place_field): Use DECL_SIZE consistently
14058 in the computation of the new record size.
14060 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14062 * cse.c (cse_condition_code_reg): Make it static.
14063 * rtl.h: Remove the prototype for cse_condition_code_reg.
14065 * combine.c (combine_instructions): Make it static.
14066 * rtl.h: Remove the prototype for combine_instructions.
14068 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14071 * tree.c (get_file_function_name_long): Concatenate the first global
14072 object name with a string derived from the input filename of the object
14075 2006-01-16 Ben Elliston <bje@au.ibm.com>
14077 * config/i386/winnt-stubs.c: Update FSF address.
14078 * config/xtensa/ieee754-df.S: Ditto.
14079 * config/xtensa/ieee754-sf.S: Ditto.
14081 2006-01-14 Ian Lance Taylor <ian@airs.com>
14083 * ifcvt.c (noce_init_if_info): New static function, broken out of
14084 noce_process_if_block.
14085 (noce_process_if_block): Call noce_init_if_info.
14086 (check_cond_move_block): New static function.
14087 (cond_move_process_if_block): New static function.
14088 (process_if_block): Call cond_move_process_if_block.
14090 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14092 * cselib.c (hash_table): Rename to cselib_hash_table.
14093 (cselib_clear_table, discard_useless_values,
14094 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14095 cselib_init, cselib_finish): Adjust uses of hash_table.
14097 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14099 PR tree-optimization/25485
14100 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14101 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14102 is known to be false and true, respectively.
14104 2006-01-14 Richard Guenther <rguenther@suse.de>
14106 PR tree-optimization/22548
14107 PR tree-optimization/22555
14108 PR tree-optimization/22501
14109 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14110 * params.def (salias-max-array-elements): New parameter.
14111 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14112 * doc/invoke.texi (salias-max-array-elements): Document.
14113 * tree-flow-inline.h (var_can_have_subvars): We also handle
14115 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14117 * tree-ssa-structalias.c (params.h): Include.
14118 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14119 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14120 (get_constraint_for): For ADDR_EXPR operating on something
14121 containing an ARRAY_REF, add all subvars to the solution.
14122 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14123 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14124 for creating MUST_DEFs.
14125 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14127 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14129 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14131 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14132 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14133 number_of_iterations_le): New functions.
14134 (number_of_iterations_special): Removed.
14135 (number_of_iterations_exit): Do not use number_of_iterations_special.
14136 * tree.c (unsigned_type_for): Always return integer type.
14138 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14139 Richard Guenther <rguenther@suse.de>
14141 PR rtl-optimization/24257
14142 * gcse.c (find_moveable_store): Only consider a store movable
14143 when the SET_SRC of the insn can be assigned to a register.
14145 2006-01-14 Ian Lance Taylor <ian@airs.com>
14147 * tree.c (tree_not_class_check_failed): New function.
14148 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14149 (tree_not_class_check_failed): Declare.
14151 2006-01-13 Ian Lance Taylor <ian@airs.com>
14153 * reload1.c (do_output_reload): Add assertion rejecting a
14156 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14158 * combine.c (struct reg_stat): Add new fields truncation_label and
14160 (record_value_for_reg): Reset truncated_to_mode.
14161 (record_truncated_value): New function.
14162 (check_promoted_subreg): Call it. Rename to check_conversions.
14163 (combine_instructions): Rename check_promoted_subreg to
14165 (reg_truncated_to_mode): New function.
14166 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14167 (gen_lowpart_or_truncate): New function.
14168 (force_to_mode): Use it instead of gen_lowpart.
14170 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14172 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14173 VAR is a tag, not its type tag.
14175 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14177 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14178 alternatives to match style of other entries.
14179 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14181 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14183 PR tree-optimization/25771
14184 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14187 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14190 * tree-inline.c (declare_return_variable): If the return variable
14191 was marked as a non gimple complex, set the return slot variable
14192 to be a non gimple comple variable.
14194 2006-01-13 Richard Guenther <rguenther@suse.de>
14196 * builtins.c (expand_builtin_sincos): New function.
14197 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14199 (expand_builtin): Expand sincos using expand_builtin_sincos.
14201 2006-01-12 DJ Delorie <dj@redhat.com>
14203 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14204 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14205 so that constant shifts can be split.
14206 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14207 (m32c_valid_pointer_mode): Make static.
14208 (shift_gen_func_for): New.
14209 (m32c_prepare_shift): Use it. Split large const shifts into
14211 * config/m32c/predicates.md (shiftcount_operand): Allow more
14213 (longshiftcount_operand): New.
14214 * doc/md.texi (Machine Constraints): Document In6.
14216 2006-01-13 Ben Elliston <bje@au.ibm.com>
14218 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14219 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14222 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14224 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14225 to try to avoid clobbering pieces of structures when we know
14226 something about the whole structure.
14227 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14229 2006-01-13 Ben Elliston <bje@au.ibm.com>
14231 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14232 return in memory, as this is no limitation is no longer present.
14234 2006-01-12 DJ Delorie <dj@redhat.com>
14236 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14237 mova with fb, and for fb+0 -> An.
14239 * config/m32c/mov.md (peephole2): Fix enabling logic.
14241 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14242 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14243 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14244 FINI_ARRAY_SECTION_ASM_OP): Define.
14246 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14248 (m32c_legitimize_reload_address): New logic to reload FB to An.
14249 (m32c_output_reg_push): Add newline.
14250 (m32c_output_reg_pop): Likewise.
14252 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14254 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14256 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14258 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14260 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14262 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14265 2006-01-11 Ben Elliston <bje@au.ibm.com>
14267 * rtlanal.c (find_reg_note): Assert insn is not null.
14269 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14271 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14274 2006-01-11 Jeff Law <law@redhat.com>
14276 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14278 (mark_threaded_blocks, register_jump_thread): New functions.
14279 (thread_through_all_blocks): Remove unwanted argument. No
14280 longer rely on e->aux to communicate thread target info.
14281 Call mark_threaded_blocks. Release the threaded_blocks
14282 bitmap and threaded_edges vector when complete.
14283 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14284 (threaded_blocks): Remove.
14285 (tree_ssa_dominator_optimize): Remove initialization and
14286 finalization of threaded_blocks. Simplify call to
14287 thread_through_all_blocks.
14288 (thread_across_edge): Call register_jump_thread rather than
14289 storing thread information into e->aux.
14290 (free_all_edge_infos): Simplify now that e->aux is no longer
14291 used to communicate with thread_through_all_blocks.
14292 * tree-flow.h (thread_through_all_blocks): Update prototype.
14293 (register_jump_thread): Prototype.
14295 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14297 * df-core.c (df_compact_blocks, df_bb_replace): Use
14298 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14300 2006-01-11 Richard Guenther <rguenther@suse.de>
14302 PR tree-optimization/25734
14303 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14304 stop propagation after successful propagation to the LHS.
14306 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14308 * basic-block.h (control_flow_graph): Change the type of
14309 x_basic_block_info to VEC(basic_block,gc) *.
14310 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14312 (SET_BASIC_BLOCK): New.
14313 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14314 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14315 * cfgbuild.c (find_basic_blocks): Likewise.
14316 * cfglayout.c (fixup_reorder_chain): Likewise.
14317 * cfgrtl.c (create_basic_block_structure,
14318 rtl_create_basic_block): Likewise.
14319 * ifcvt.c (find_if_case_1): Likewise.
14320 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14323 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14325 * Makefile.in: Removed rotted odf.c entry.
14327 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14330 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14331 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14332 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14333 output pattern modifier, not %e.
14334 * config/cris/cris.c (cris_op_str): Update comment about pattern
14336 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14337 before falling through into...
14338 <case 'E'>: Redefined from old 'e' case.
14340 2006-01-11 Jan Hubicka <jh@suse.cz>
14343 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14345 2006-01-11 Jan Hubicka <jh@suse.cz>
14347 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14348 * i386.c (x86_decompose_lea): Kill.
14349 (ix86_rtx_costs): Kill.
14351 2006-01-11 Jan Hubicka <jh@suse.cz>
14353 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14354 * cgraph.h (cgraph_node): Add inline_decl.
14355 (cgraph_insert_node_to_hashtable): Declare.
14356 (save_inline_function_body): Declare.
14357 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14359 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14360 (cgraph_function_versioning): Update call of tree_function_versioning.
14361 (save_inline_function_body): New function.
14362 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14363 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14364 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14365 (cgraph_default_inline_p): Likewise.
14366 (cgraph_decide_inlining_incrementally): Likewise.
14367 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14368 (copy_bb): Kill saving; do updating of clones.
14369 (copy_cfg_body): Kill saving.
14370 (initialize_inlined-parameters): Likewise.
14371 (expand_call_inline): Likewise.
14373 (tree_function_versioning): New parameter "update_clones".
14374 (inlining_p): Kill saving.
14375 * tree-inline.h (tree_function_versioning): Update prototype.
14376 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14379 2006-01-11 Ian Lance Taylor <ian@airs.com>
14381 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14382 Allow undoing set of machine mode.
14383 (do_SUBST): Use enums instead of is_int.
14384 (do_SUBST_MODE): New function.
14385 (SUBST_MODE): New macro.
14386 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14387 reg and trying to replace reg_regno_rtx with a new register.
14388 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14389 (simplify_set): Use SUBST_MODE.
14390 (distribute_notes): Remove code that tried to update reg notes
14391 for regno_reg_rtx changes.
14393 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14395 PR tree-optimization/23109
14396 PR tree-optimization/23948
14397 PR tree-optimization/24123
14399 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14400 * tree-cfg.c (single_noncomplex_succ): New.
14401 * tree-flow.h (single_noncomplex_succ): Declare it.
14402 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14403 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14404 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14405 insert_bb, register_division_in, insert_reciprocals,
14406 replace_reciprocal, free_bb): New.
14407 (execute_cse_reciprocals_1): Rewritten.
14408 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14409 Do not commit any edge insertion. Always compute dominators and
14410 create the allocation pool.
14411 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14412 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14413 * targhooks.c (default_min_divistions_for_recip_mul): New.
14414 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14415 * passes.c (init_optimization_passes): Run recip after tree loop
14417 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14419 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14420 Kenneth Zadeck <zadeck@naturalbridge.com>
14422 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14423 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14424 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14425 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14426 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14427 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14428 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14429 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14430 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14431 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14432 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14433 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14434 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14435 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14436 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14437 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14438 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14439 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14440 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14441 DF_SCAN_POST_ALLOC): New macros.
14442 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14443 df_free_bb_function, df_local_compute_function, df_init_function,
14444 df_dataflow_function, df_confluence_function_0,
14445 df_confluence_function_n, df_transfer_function,
14446 df_finalizer_function, df_free_function, df_dump_problem_function,
14447 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14448 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14449 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14450 df_urec_bb_info, ) New types.
14451 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14453 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14454 df_analyze_simple_change_some_blocks,
14455 df_analyze_simple_change_one_block, df_compact_blocks,
14456 df_bb_replace, df_bb_regno_last_use_find,
14457 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14458 df_insn_regno_def_p, df_find_def, df_find_use,
14459 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14460 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14461 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14462 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14463 debug_df_chain, df_get_dependent_problem, df_chain_create,
14464 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14465 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14466 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14467 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14468 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14469 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14470 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14471 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14472 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14473 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14474 df_reorganize_refs, df_set_state, df_hard_reg_init,
14475 df_read_modify_subreg_p) New public functions.
14476 * df-core.c: The core dataflow solver and glue routines for rtl
14478 (df_init, df_add_problem, df_set_blocks, df_finish,
14479 df_hybrid_search_forward, df_hybrid_search_backward,
14480 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14481 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14482 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14483 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14484 df_reg_defined, df_find_use, df_reg_used, df_dump,
14485 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14486 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14487 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14488 debug_df_useno, reset_df_after_reload): New functions.
14489 * df-scan.c: The scanning fuctions, once in df.c, completely
14490 rewritten so that they now fully model the functionality of
14491 register usage at the backend.
14492 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14493 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14494 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14495 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14496 df_get_artificial_defs, df_get_artificial_uses,
14497 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14498 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14499 df_refs_delete, df_reorganize_refs, df_set_state,
14500 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14501 df_def_record_1, df_defs_record, df_uses_record,
14502 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14503 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14504 df_record_exit_block_uses, df_hard_reg_init): New functions.
14506 * df-problems.c: Seven concrete dataflow problems that use the
14507 scanning in df-scan.c and are solved by the engine in df-core.c.
14508 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14509 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14510 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14511 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14512 df_ru_free_bb_info, df_ru_alloc,
14513 df_ru_bb_local_compute_process_def,
14514 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14515 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14516 df_ru_transfer_function, df_ru_free, df_ru_dump,
14517 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14518 df_rd_free_bb_info, df_rd_alloc,
14519 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14520 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14521 df_rd_transfer_function, df_rd_free, df_rd_dump,
14522 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14523 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14524 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14525 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14526 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14527 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14528 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14529 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14530 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14531 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14532 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14533 df_urec_mark_reg_use_for_earlyclobber,
14534 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14535 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14536 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14537 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14538 df_chain_create_bb_process_use, df_chain_create_bb,
14539 df_chain_finalize, df_chain_free, df_chains_dump,
14540 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14541 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14542 df_reg_lifetime): New functions.
14543 * df.c: Deleted file.
14544 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14545 consistent with new df api.
14546 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14547 rest_of_handle_sms): Ditto.
14548 * web.c (unionfind_union, union_defs, entry_register, web_main):
14550 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14551 invariant_expr_equal_p, find_defs, check_dependencies,
14552 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14553 free_inv_motion_data, move_loop_invariants): Ditto.
14554 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14555 Update dependencies.
14556 (odf.c): Added defective entry that was deleted later in day.
14557 * sched-deps.c (sched_analyze_1): Ditto.
14559 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14561 * tree-ssa-operands.c (get_expr_operands): Record addressable
14562 variables directly. Do not call add_stmt_operands for CONST_DECLs
14564 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14565 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14567 2006-01-11 Ben Elliston <bje@au.ibm.com>
14569 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14570 function returns true in the positive case.
14572 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14575 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14576 for SI, DI, SF and DF modes. Add alternatives to copy between
14577 general and floating point registers to the 32-bit patterns.
14578 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14579 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14580 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14581 generating 64-bit code.
14582 * config/pa/pa.c (output_move_double): Handle copies between general
14583 and floating registers.
14585 2006-01-10 Stuart Hastings <stuart@apple.com>
14587 * config/i386/i386.md (set_got): Update.
14588 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14589 (builtin_setjmp_receiver): Mach-O support.
14590 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14591 (GOT_SYMBOL_NAME): Define.
14592 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14593 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14594 * config/i386/i386.c (override_options): Revise for Darwin.
14595 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14596 support. (darwin_x86_file_end): New. (output_set_got): Add label
14597 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14598 * config/i386/i386-protos.h (output_set_got): Likewise.
14599 * config/darwin.c (machopic_legitimize_pic_address): Update
14602 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14604 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14605 when MODE isn't BLKmode.
14607 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14609 PR rtl-optimization/25367
14610 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14612 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14615 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14616 for a negative bound.
14618 2006-01-10 Richard Guenther <rguenther@suse.de>
14620 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14621 Never override with anything constraint.
14623 2006-01-10 Jan Beulich <jbeulich@novell.com>
14625 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14626 256 bits when optimize_size.
14628 2006-01-10 Jan Beulich <jbeulich@novell.com>
14630 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14632 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14633 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14636 2006-01-10 Ben Elliston <bje@au.ibm.com>
14638 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14640 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14641 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14642 (USE_FP_FOR_ARG): Reject decimal float modes.
14643 (function_arg_advance): Likewise.
14644 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14645 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14646 point types in AltiVec vectors.
14647 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14648 (rs6000_libcall_value): Likewise.
14650 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14652 * config/xtensa/ieee754-df.S: New file.
14653 * config/xtensa/ieee754-sf.S: New file.
14654 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14655 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14656 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14658 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14660 * config/sh/predicates.md (binary_float_operator,
14661 binary_logical_operator, commutative_float_operator,
14662 equality_comparison_operator, greater_comparison_operator,
14663 less_comparison_operator, logical_operator,
14664 noncommutative_float_operator, shift_operator,
14665 symbol_ref_operand, unary_float_operator): Remove redundant
14668 2006-01-09 Jeff Law <law@redhat.com>
14670 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14671 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14672 now unused arguments. Callers updated.
14673 (eliminate_redundant_computations): Remove now unused arguments,
14675 (local_fold): Remove, no longer used.
14676 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14678 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14679 (simplify_cond): New function.
14680 (forward_propagate_into_cond): Call simplify_cond.
14682 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14684 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14685 (*vec_extractv2di_1_sse): New.
14687 2006-01-09 Ben Elliston <bje@au.ibm.com>
14689 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14691 2006-01-08 Richard Guenther <rguenther@suse.de>
14693 * tree-ssa-structalias.c (get_constraint_for): Remove
14694 anyoffset argument.
14695 (get_constraint_for_component_ref): Likewise.
14696 (do_deref): Likewise.
14697 (get_constraint_for): Likewise.
14698 (do_structure_copy): Likewise.
14699 (handle_ptr_arith): Likewise.
14700 (find_func_aliases): Likewise. Remove unused need_anyoffset
14703 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14704 Kaz Kojima <kkojima@gcc.gnu.org>
14706 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14707 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14708 (EXTRA_CONSTRAINT_C16): Remove.
14709 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14710 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14711 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14712 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14713 constants of SHmedia. Handle nested constant expressions of
14715 (andcosts): Fix the costs for SHmedia constants.
14716 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14717 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14718 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14719 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14720 (movv4hi_i, movv2si_i): Likewise.
14721 (movsi_const): Adjust the second operand of ior so to match with
14722 the Csu constraint.
14723 (movdi_const, movdi_const_32bit): Likewise.
14724 (movdi_const_16bit+1): Don't sign-extend LOW.
14725 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14727 (*double_shori): Fix the split condition. Use GEN_INT instead
14728 of get_int_mode calls. Mask lower 16-bit of the argument of
14730 (sym2GOTPLT): Remove.
14731 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14733 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14734 instead of EXTRA_CONSTRAINT_C16.
14736 2006-01-07 Ian Lance Taylor <ian@airs.com>
14737 David Edelsohn <edelsohn@gnu.org>
14739 PR rtl-optimization/25662
14740 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14741 for constant operands instead of simplify_gen_binary.
14742 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14743 after trying simplify_binary_operation
14745 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14747 * tree.c (iterative_hash_expr): Hash decls based on UID.
14749 2006-01-06 Eric Christopher <echristo@apple.com>
14751 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14752 (TARGET_UNWIND_EMIT): Fix spelling.
14753 * target.h (gcc_target): Add except_table_label.
14754 * except.c (output_function_exception_table): Use.
14755 * varasm.c (default_emit_except_table_label): New.
14756 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14758 (asm_out): Add here.
14759 * output.h (default_emit_except_table_label): Prototype.
14760 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14761 * config/darwin.c (darwin_emit_except_table_label): Define.
14762 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14764 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14766 PR tree-optimization/18527
14767 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14768 number_of_iterations_special, number_of_iterations_exit):
14769 Move base and step of an iv to a single structure. Add
14770 no_overflow flag, and use it in # of iterations analysis.
14771 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14772 folded_casts argument.
14773 (simple_iv): Pass base and step in a structure. Set no_overflow
14775 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14776 Evaluate expensiveness of computing # of iterations instead of
14777 the final expression.
14778 * tree-scalar-evolution.h (affine_iv): New structure.
14779 (simple_iv): Declaration changed.
14780 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14781 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14782 find_givs_in_stmt): Changed due to simple_iv change.
14784 2006-01-06 Jeff Law <law@redhat.com>
14787 * tree-cfg.c (bsi_replace): Rename final argument from
14788 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14789 change (stmt -> orig_stmt).
14790 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14791 (bsi_remove): Add new argument. Remove EH information
14793 (verify_eh_throw_table_statements): New function.
14794 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14796 * tree-optimize.c (execute_free_cfg_annotations): Verify
14797 the EH throw statement table after removing annotations.
14798 * except.h (verify_eh_throw_table_statements): Prototype.
14799 * tree-flow.h (bsi_remove): Update prototype.
14800 * tree-vrp.c (remove_range_assertions): Add new argument to
14802 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14803 * tree-complex.c (expand_complex_div_wide): Likewise.
14804 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14805 * tree-tailcall.c (eliminate_tailcall): Likewise.
14806 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14807 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14808 * tree-nrv.c (tree_nrv): Likewise.
14809 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14810 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14811 (combine_blocks): Likewise.
14812 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14813 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14814 (cleanup_control_flow): Likewise.
14815 (remove_forwarder_block): Likewise.
14816 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14817 * tree-sra.c (sra_replace): Likewise.
14818 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14819 (forward_propagate_single_use_vars): Likewise.
14820 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14821 * tree-inline.c (expand_call_inline): Likewise.
14822 * tree-vect-transform.c (vect_transform_loop): Likewise.
14823 * tree-outof-ssa.c (rewrite_trees): Likewise.
14824 * tree-cfg.c (make_goto_expr_edges): Likewise.
14825 (cleanup_dead_labels): Likewise.
14826 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14827 (bsi_move_before, bsi_move_after): Likewise.
14828 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14829 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14831 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14834 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14836 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14837 on non gimple variables. Also add checks at the top for decls and
14839 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14841 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14842 and IMAGPART_EXPR for creating MUST_DEFs.
14843 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14844 and NAME_MEMORY_TAG separately from the DECLs.
14846 2006-01-06 Richard Guenther <rguenther@suse.de>
14848 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14849 annotation, if necessary.
14850 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14851 redundant calls to update_stmt.
14852 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14855 2006-01-05 Richard Henderson <rth@redhat.com>
14857 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14859 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14861 * c-typeck.c: Update copyright date.
14863 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14865 * c-typeck.c (build_c_cast): Always warn when casting
14866 from a pointer to an integer of different size, even if
14867 the node was constant.
14869 2006-01-05 Richard Guenther <rguenther@suse.de>
14871 PR tree-optimization/22555
14872 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14873 if one structure field is an array.
14874 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14875 operands even if we found a subvar, but ignore VOPs in this
14877 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14879 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14881 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14883 PR middle-end/24998
14884 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14886 2006-01-05 Richard Guenther <rguenther@suse.de>
14887 Diego Novillo <dnovillo@redhat.com>
14889 * tree-pass.h (TODO_remove_unused_locals): Define.
14890 * gimple-low.c (expand_var_p, remove_useless_vars,
14891 pass_remove_useless_vars): Remove. Update all users.
14892 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14893 (remove_unused_locals): New function.
14894 * tree-flow.h (remove_unused_locals): Declare.
14895 * passes.c (execute_todo): Call remove_unused_locals if
14896 TODO_remove_unused_locals is set.
14897 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14898 * tree-ssa-dce.c (pass_dce): Likewise.
14899 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14901 2006-01-05 Richard Guenther <rguenther@suse.de>
14903 * tree-flow.h (struct fieldoff): Decompose field to
14904 type, size and decl.
14905 * tree-ssa-alias.c (create_sft): Take type as parameter.
14906 (create_overlap_variables_for): Store type, size and decl
14907 in the fieldoff structure.
14908 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14909 of struct fieldoff.
14910 (push_fields_onto_fieldstack): Likewise.
14911 (create_variable_info_for): Likewise. Use offset for the
14912 SFT name if the decl is not available.
14914 2006-01-04 Paul Brook <paul@codesourcery.com>
14916 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14918 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14920 * lambda-code.c (can_put_in_inner_loop): Relax
14922 (can_put_after_inner_loop): New function.
14923 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14924 (perfect_nestify): Change to make copies and modify uses.
14926 2006-01-04 Richard Henderson <rth@redhat.com>
14928 Merge from gomp branch:
14929 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14930 via integer constant.
14931 (pragma_lex): Remove.
14932 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14933 rather than parsing it.
14934 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14935 handle_pragma_extern_prefix): Add %< %> quotes.
14936 (registered_pragmas): New.
14937 (c_register_pragma_1): New.
14938 (c_register_pragma): Use it.
14939 (c_register_pragma_with_expansion): Likewise.
14940 (c_invoke_pragma_handler): New.
14941 (init_pragma): Use cpp_register_deferred_pragma directly for
14943 * c-pragma.h (enum pragma_kind): New.
14944 (pragma_handler): New.
14945 (c_invoke_pragma_handler): Declare.
14946 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14948 * c-common.h (c_common_pch_pragma): Update decl.
14949 * Makefile.in (c-parser.o): Update dependencies.
14950 (GTFILES): Add c-pragma.h.
14951 * c-parser.c (struct c_token): Add pragma_kind.
14952 (struct c_parser): Add in_pragma.
14953 (c_lex_one_token): Always initialize keyword and pragma_kind.
14954 Extract data for CPP_PRAGMA.
14955 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14956 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14957 Don't allow CPP_PRAGMA_EOL if in_pragma.
14958 (c_parser_consume_pragma): New.
14959 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14960 (c_parser_skip_to_end_of_parameter): Likewise.
14961 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14962 (c_parser_skip_to_pragma_eol): New.
14963 (c_parser_external_declaration): Handle CPP_PRAGMA.
14964 (c_parser_compound_statement_nostart): Likewise.
14965 (c_parser_statement_after_labels): Likewise.
14966 (c_parser_pragma): New.
14967 (pragma_lex): Likewise.
14968 (c_parser_pragma_pch_preprocess): New.
14969 (c_parser_new): Merge into ...
14970 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14972 2006-01-04 Jeff Law <law@redhat.com>
14975 * tree-cfg.c (bsi_replace): Remove the original statement
14976 from the EH throw statement table.
14978 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14980 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14981 make the prototype extern "C" and add throw ().
14984 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14985 and pos non-negative and pos + len <= 32.
14986 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14987 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14988 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14991 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14992 as well as sizes not multiple of component size.
14995 * function.c (instantiate_expr): New function.
14996 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14997 walk its DECL_VALUE_EXPR with instantiate_expr.
14999 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15000 DW_OP_deref{,_size} if address isn't going to be added.
15002 2006-01-04 Ben Elliston <bje@au.ibm.com>
15004 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15005 * config/fp-bit.c: Likewise.
15007 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15009 * dominance.c: Add comment about why we use DFS numbering
15012 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15013 Richard Henderson <rth@redhat.com>
15015 Merge from gomp-branch:
15016 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15017 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15019 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15021 PR rtl-optimization/25578
15022 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15023 pass a parameter to simplify_shift_const if changing ASHIFTRT
15026 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15028 * builtins.c (get_builtin_sync_mem): New function.
15029 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15030 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15031 Call get_builtin_sync_mem to generate mem rtx.
15033 2006-01-03 Richard Guenther <rguenther@suse.de>
15036 * stmt.c (add_case_node): Make sure to clear overflow flags
15039 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15041 Merge from gomp-branch.
15042 * config/sparc/sync.md: New file.
15043 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15044 UNSPECV_LDSTUB): New constants.
15045 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15046 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15047 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15050 2006-01-03 Roger Sayle <roger@eyesopen.com>
15052 * combine.c (reg_subword_p): New predicate to test whether the
15053 destination of a set refers to a subword/piece of a register.
15054 (try_combine): Generalize the code to merge the setting of a
15055 pseudo to a constant followed by a set of a subword of that
15056 register to a constant.
15058 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15060 * basic-block.h (control_flow_graph): Change the type of
15061 x_label_to_block_map to VEC(basic_block,gc) *.
15062 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15063 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15065 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15066 VEC(basic_block,heap) *.
15067 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15068 ssa_prop_fini): Adjust the uses of cfg_blocks.
15070 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15072 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15074 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15075 hashing trees instead of a pointer hash.
15076 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15077 compare for MEM_EXPR.
15079 PR rtl-optimization/25130
15080 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15081 when comparing MEMs for GCSE
15083 2006-01-03 Ben Elliston <bje@au.ibm.com>
15085 * targhooks.h (default_decimal_float_supported_p): Declare.
15086 * targhooks.c (default_decimal_float_supported_p): Define.
15087 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15088 `default_decimal_float_supported_p'.
15089 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15091 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15093 * combine.c (apply_distributive_law <SUBREG>): Check
15094 TRULY_NOOP_TRUNCATION.
15096 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15098 * dwarf2out.c (have_switched_text_section): Delete.
15099 (have_multiple_function_sections): New.
15100 (have_location_lists): Make 'bool'.
15101 (add_AT_loc_list): Use 'true' not '1'.
15102 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15103 (output_loc_list): Use have_multiple_function_sections.
15104 (output_ranges): Likewise.
15105 (dwarf2out_begin_function): Set have_multiple_function_sections if
15107 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15108 Check function_section rather than DECL_SECTION_NAME.
15109 (dwarf2out_finish): Use have_multiple_function_sections.
15110 Don't clear have_location_lists.
15112 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15113 Jan Hubicka <jh@suse.cz>
15115 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15116 case of conditional jump jumping to the next instruction.
15117 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15118 cases of conditional jump jumping to the next instruction.
15120 2006-01-02 Jan Hubicka <jh@suse.cz>
15122 * i386.c (*_cost): Add COSTS_N_INSNS.
15123 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15125 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15128 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15130 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15132 * config/arm/arm.c (all_fpus): Fix comment typo.
15133 * config/darwin.c: Likewise.
15134 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15135 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15136 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15138 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15140 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15141 (rs6000_split_compare_and_swapqhi): New.
15142 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15143 (sync_compare_and_swapqhi_internal): New.
15144 * config/rs6000/rs6000-protos.h: Declare.