1 2006-09-15 Jim Wilson <wilson@specifix.com>
3 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4 Handle symbol offsets same as they are handled in ia64_expand_move
7 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
9 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
10 Add forgotten parameter to the fprintf call.
12 2006-09-15 Steve Ellcey <sje@cup.hp.com>
14 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
16 2006-09-15 Uros Bizjak <uros@kss-loka.si>
18 * doc/contrib.texi: Add my entry.
20 2006-09-15 Nick Clifton <nickc@redhat.com>
22 * doc/md.texi (Processor pipeline description): Fix typo in
23 example of how to use the absence_set directive and reword the
24 description to make it slightly easier to read.
26 2005-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
28 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
29 * loop-doloop.c (doloop_optimize): Use it to limit costs of
30 expanding the number of iterations.
31 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
33 * cfgrtl.c (emit_insn_at_entry): New function.
34 * rtl.h (emit_insn_at_entry): Declare it.
35 * integrate.c (emit_initial_value_sets): Use it.
37 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
39 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
41 (struct loop_work and related VEC declarations): Delete.
42 (bfin_dump_loops): Print out new member bad.
43 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
44 (bfin_scan_loop): Don't recurse.
45 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
46 loops. No longer need to update outer loops if the current one is
47 found bad. Move some validitiy checks to bfin_discover_loop.
48 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
49 but changed not to check for nesting. Also changed to use the new bad
51 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
52 time. Use bitmap based test to discover loop nesting.
54 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
56 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
59 2006-09-14 Richard Guenther <rguenther@suse.de>
60 Kazu Hirata <kazu@codesourcery.com>
63 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
64 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
65 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
66 with TARGET_FUNCTION_VALUE.
68 2006-09-14 Anatoly Sokolov <aesok@post.ru>
71 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
73 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
75 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
78 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
81 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
84 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
86 * basic_block.h (bb_has_eh_pred): Fix comment.
88 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
90 * flow.c (calculate_global_regs_live): Invalidate eh registers
91 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
92 (propagate_block): Handle eh registers as if they were set at basic
94 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
96 * global.c (global_conflicts): Make eh registers to conflict with
97 pseudos live at basic block begin.
98 * basic_block.h (bb_has_eh_pred): New function.
100 2006-09-13 Richard Sandiford <richard@codesourcery.com>
102 PR rtl-optimization/28982
103 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
104 index of a PRE_MODIFY or POST_MODIFY address.
105 * reload1.c (inc_for_reload): Use find_replacement on the original
106 base and index registers.
108 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
110 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
111 for -Os. Update __m128 alignment requirement.
113 2006-09-13 Jan Hubicka <jh@suse.cz>
115 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
117 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
119 PR rtl-optimization/28243
120 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
121 the insn to which the note was originally attached.
123 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
124 Roger Sayle <roger@eyesopen.com>
126 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
127 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
128 on platforms that don't use dwarf for debug info.
130 2006-09-12 Jason Merrill <jason@redhat.com>
133 * builtins.c (expand_builtin_setjmp_receiver): Clobber
134 hard_frame_pointer_rtx after using it to update the frame pointer.
136 2006-09-12 Roger Sayle <roger@eyesopen.com>
138 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
139 (TARGET_ASM_CLOSE_PAREN): Likewise.
140 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
141 (TARGET_ASM_CLOSE_PAREN): Likewise.
143 2006-09-12 Roger Sayle <roger@eyesopen.com>
146 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
147 frame information for frames larger than 512 Kbytes on Tru64 when
148 using the native assembler.
150 2006-09-12 Roger Sayle <roger@eyesopen.com>
154 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
155 and symbols. Instead use the implementation from cse.c's hash_rtx.
157 2006-09-12 Jan Hubicka <jh@suse.cz>
159 PR rtl-optimization/28071
160 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
161 (vect_transform_loop): Likewise.
162 * tree-vectorizer.c (new_loop_vec_info): Likewise.
163 (new_loop_vec_info): Likewise.
164 (destroy_loop_vec_info): Likewise.
165 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
166 (create_stmt_ann): Likewise.
167 (create_tree_ann): Rename to ...
168 (create_tree_common_ann): ... this one; allocate only the common part
170 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
171 (get_value_handle): Likewise.
172 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
174 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
175 (vinfo_for_stmt): Use stmt annotations.
176 * tree-flow.h (tree_ann_common_t): New type.
177 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
178 (tree_ann, get_tree_ann, create_tree_ann): New.
179 * tree-flow-inline.h (get_function_ann): Do more type checking.
180 (stmt_ann): Likewise.
181 (tree_ann): Rename to ...
182 (tree_common_ann): ... this one; return ony common_ann
183 (get_tree_ann): Rename to ...
184 (tree_common_ann): This one; return only common_ann.
185 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
188 2006-09-11 Geoffrey Keating <geoffk@apple.com>
190 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
193 * dwarf2out.c (dwarf_file_data): New.
194 (enum dw_val_class): Add dw_val_class_file.
195 (struct dw_val_struct): Add val_file.
196 (file_table): Change to a hash table.
197 (file_table_emitted): Delete.
198 (file_table_last_lookup_index): Delete.
200 (last_emitted_file): New.
201 (lookup_filename): Change prototype to return a struct dwarf_file_data.
202 (init_file_table): Delete.
203 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
204 (AT_addr): Add comment.
208 (print_die): Handle dw_val_class_file.
209 (print_dwarf_line_table): Update for new file table structure.
210 (attr_checksum): Do checksum a filename.
211 (same_dw_val_p, same_attr_p): Do compare a filename.
212 (size_of_die): Handle dw_val_class_file.
213 (value_format): Likewise.
214 (output_die): Likewise. Also, call maybe_emit_file here.
215 (struct file_info): Constify filenames. Make file_idx a pointer
216 to a struct dwarf_file_data.
217 (struct dir_info): Constify directory names. Remove 'used' field.
218 (struct file_name_acquire_data): New.
219 (file_name_acquire): New.
220 (output_file_names): Modify to handle new file data structures.
221 (add_src_coords_attributes): Use add_AT_file.
222 (add_call_src_coords_attributes): Likewise.
223 (dwarf2out_imported_module_or_decl): Likewise.
224 (gen_subprogram_die): Modify for new file data structures.
225 (gen_variable_die): Likewise.
226 (file_table_eq): New.
227 (file_table_hash): New.
228 (file_table_last_lookup): New.
229 (lookup_filename): Rewrite to handle new file data structures.
230 (maybe_emit_file): Rewrite to handle new file data structures.
231 (dwarf2out_source_line): Always call lookup_filename and
233 (dwarf2out_init): Create file_table here.
234 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
235 (file_table_relative_p): New.
236 (dwarf2out_finish): Change detection of relative filenames
237 to work with new file data structures. Move output_line_info call
238 after debug_info output.
240 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
245 * config/i386/i386.c (override_options): Always default to 16
248 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
251 * var-tracking.c (dump_dataflow_set): Start dumping at
253 (clobber_variable_part): Kill only the variable part in
254 registers holding it, leaving other variables alone.
256 2006-09-11 Josh Triplett <josh@freedesktop.org>
258 * doc/extend.texi (Other Builtins): Actually use the macro
259 argument in the documentation example for
260 __builtin_types_compatible_p.
262 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
264 PR rtl-optimization/28726
265 * sched-deps.c (sched_analyze_reg): New function extracted from...
266 (sched_analyze_1): ...here. Call it to analyze references to
267 registers. Treat again writes to a stack register as writing to the
269 (sched_analyze_2): ...and here. Call it to analyze references to
270 registers. Treat again reads of a stack register as reading the
273 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
274 David Edelsohn <edelsohn@gnu.org>
277 * config/rs6000/spe.md (frob_df_di): Remove %H.
278 (frob_di_df): Remove %H. Change evmergelo to mr.
279 (frob_di_df_2): Remove %H. Change evldd to two loads.
281 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
283 * doc/cpp.texi: Fix names of charset options.
285 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
288 * config/i386/i386.c (override_options): Use 128-bit
289 stack boundary always for 64bits.
291 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
293 PR rtl-optimization/28636
294 * combine.c (force_to_mode): Test for side-effects before
295 substituting by zero.
296 (simplify_shift_const): Likewise for zero or other constants.
298 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
301 * builtins.c (expand_builtin_setjmp): Force next_lab to be
304 2006-09-10 Richard Sandiford <richard@codesourcery.com>
307 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
308 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
309 returned by mode_for_size, rather than the mode of src itself,
310 to choose between 32-bit and 64-bit patterns.
311 (mips_mem_fits_mode_p): New function.
312 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
313 that the size of the source matches the size of the destination.
314 (mov_<store>l, mov_<store>r): Likewise.
316 2006-09-10 Eric Christopher <echristo@apple.com>
318 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
321 2006-09-09 Eric Christopher <echristo@apple.com>
324 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
327 2006-09-09 Roger Sayle <roger@eyesopen.com>
328 Nicolas Setton <setton@adacore.com>
330 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
332 2006-09-10 Andreas Schwab <schwab@suse.de>
334 * config/m68k/m68k.md (bungt_rev): New pattern.
336 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
337 Dale Johannesen <dalej@apple.com>
340 * regclass.c (struct reg_pref): Update documentation.
341 (regclass): Set prefclass to NO_REGS if memory is the best option.
342 (record_reg_classes): Cope with a prefclass set to NO_REGS.
344 2006-09-08 Eric Christopher <echristo@apple.com>
346 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
347 * config/t-slibgcc-darwin: Support x86_64 multilib.
348 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
349 Return 1 for x86_64-darwin.
350 * config/i386/t-darwin: Add m64 multilib.
351 (LIB2_SIDITI_CONV_FUNCS): Use.
352 (LIB2FUNCS_EXTRA): Ditto.
353 * config/i386/darwin.h: Support x86_64.
354 * config/i386/i386.c (override_options): Turn on flag_pic
355 for x86_64-darwin. Disable flag_omit_pointer.
356 (get_pc_thunk_name): Assert !TARGET_64BIT.
357 (legitimate_address_p): Disable machopic addressing for
359 (legitimize_pic_address): Ditto.
360 (ix86_expand_move): Ditto.
361 (ix86_expand_call): Ditto.
362 (machopic_output_stub): Ditto.
363 * config/darwin.c (machopic_select_section): Support literal16.
364 (machopic_select_rtx_section): Ditto.
365 * config/darwin-sections.def: Ditto.
366 * config/darwin-64.c: New.
368 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
371 * c-tree.h (struct c_arg_info): Add pending_sizes.
372 * c-parser.c (c_parser_parms_declarator,
373 c_parser_parms_list_declarator): Initialize pending_sizes.
374 * c-decl.c (get_parm_info): Initialize pending_sizes.
375 (get_parm_info): Set pending_sizes.
376 (grokdeclarator): Call put_pending_sizes for parameters for
377 function definition only.
379 2006-09-07 Jason Merrill <jason@redhat.com>
382 * varasm.c (output_constant): Only strip actual no-op conversions.
385 * config/i386/i386.c (override_options): Use 128-bit
386 stack boundary if -msse.
388 2006-09-07 Eric Christopher <echristo@apple.com>
390 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
392 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
395 2006-09-07 Geoffrey Keating <geoffk@apple.com>
397 * dwarf2out.c: Remove strange characters from comment above
398 dwarf2out_frame_debug_expr.
400 2006-09-07 Eric Christopher <echristo@apple.com>
402 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
403 * config/darwin.h: ... to here.
405 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
407 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
409 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
410 (TARGET_PARTIAL_FLAG_REG_STALL): New.
412 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
413 TARGET_PARTIAL_FLAG_REG_STALL.
414 (*ashldi3_cconly_rex64): Likewise.
415 (*ashlsi3_cmp): Likewise.
416 (*ashlsi3_cconly): Likewise.
417 (*ashlsi3_cmp_zext): Likewise.
418 (*ashlhi3_cmp): Likewise.
419 (*ashlhi3_cconly): Likewise.
420 (*ashlqi3_cmp): Likewise.
421 (*ashlqi3_cconly): Likewise.
422 (*ashrdi3_cmp_rex64): Likewise.
423 (*ashrdi3_cconly_rex64): Likewise.
424 (*ashrsi3_cmp): Likewise.
425 (*ashrsi3_cconly): Likewise.
426 (*ashrsi3_cmp_zext): Likewise.
427 (*ashrhi3_cmp): Likewise.
428 (*ashrhi3_cconly): Likewise.
429 (*ashrqi3_cmp): Likewise.
430 (*ashrqi3_cconly): Likewise.
431 (*lshrdi3_cmp_rex64): Likewise.
432 (*lshrdi3_cconly_rex64): Likewise.
433 (*lshrsi3_cmp): Likewise.
434 (*lshrsi3_cconly): Likewise.
435 (*lshrsi3_cmp_zext): Likewise.
436 (*lshrhi3_cmp): Likewise.
437 (*lshrhi3_cconly): Likewise.
438 (*lshrqi2_cmp): Likewise.
439 (*lshrqi2_cconly): Likewise.
441 2006-09-07 Uros Bizjak <uros@kss-loka.si>
444 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
445 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
446 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
447 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
448 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
449 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
450 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
451 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
452 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
453 implement only CC setting effects of shift instructions.
455 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
457 * doc/contrib.texi: Add myself.
459 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
462 * stor-layout.c (relayout_decl): Don't zero the alignment if it
465 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
468 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
469 (divsi_inv_m1): Use them.
470 (UNSPEC_DIV_INV_TABLE): New constant.
472 2006-09-06 James E Wilson <wilson@specifix.com>
475 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
476 then call count_or_remove_death_notes.
478 2006-09-06 Jason Merrill <jason@redhat.com>
481 * tree-inline.c (copy_result_decl_to_var): New fn.
482 (declare_return_variable): Use it. Call declare_inline_vars here.
483 (expand_call_inline): Not here.
485 2006-09-06 Diego Novillo <dnovillo@redhat.com>
487 * doc/contrib.texi: Update my entry.
489 2006-09-06 Nick Clifton <nickc@redhat.com>
491 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
493 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
496 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
497 (canonicalize_induction_variables): Likewise.
498 (tree_unroll_loops_completely): Likewise.
499 (tree_ssa_prefetch_arrays): Likewise.
500 (remove_empty_loops): Likewise.
501 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
502 TODO_cleanup_cfg instead of directly calling
503 cleanup_tree_cfg_loop.
504 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
506 (tree_unroll_loops_completely): Likewise.
507 (remove_empty_loops): Likewise.
508 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
509 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
510 of tree_ssa_unswitch_loops.
511 (tree_ssa_loop_ivcanon): Use the return value of
512 canonicalize_induction_variables.
513 (tree_ssa_empty_loop): Use the return value of
515 (tree_complete_unroll): Use the return value of
516 tree_unroll_loops_completely.
517 (tree_ssa_loop_prefetch): Use the return value of
518 tree_ssa_prefetch_arrays.
519 * passes.c (execute_todo): Before Cleanup CFG, set
520 updating_used_alone and after cleanup CFG, call
521 recalculate_used_alone.
523 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
526 * tree-vect-transform.c (vectorizable_condition): Move the check
527 for the type after the check for simple condition.
529 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
530 Kaz Kojima <kkojima@gcc.gnu.org>
533 * mode-switching.c (optimize_mode_switching): Make the destination
534 block of an abnormal edge have no anticipatable mode. Don't
535 insert mode switching code at the end of the source block of
538 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
540 PR rtl-optimization/26847
541 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
542 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
543 (simplify_plus_minus): Count n_constants while filling ops. Replace
544 qsort with insertion sort. Before going through the array to simplify
545 pairs, sort it. Delay early exit until after the first sort, exiting
546 only if no swaps occurred. Simplify pairs in reversed order, without
547 special-casing the first iteration. Pack ops after simplifying pairs.
549 2006-09-05 Anatoly Sokolov <aesok@post.ru>
551 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
552 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
553 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
554 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
556 2006-09-05 Richard Guenther <rguenther@suse.de>
558 PR tree-optimization/28900
559 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
560 compound conditional before creating COND_EXPR condition.
562 2006-09-05 Richard Guenther <rguenther@suse.de>
564 PR tree-optimization/28905
565 * tree-vrp.c (fix_equivalence_set): Manually implement
566 !value_ranges_intersect_p to also handle symbolic ranges.
568 2006-09-05 Richard Guenther <rguenther@suse.de>
571 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
574 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
576 PR rtl-optimization/27616
577 * cse.c (table_size): New static variable.
578 (new_basic_block): Initialize it to 0.
579 (remove_from_table): Decrement it.
580 (insert): Increment it.
581 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
582 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
583 fold_rtx_mem_1 if under the cap.
584 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
585 the lookup of the equivalent expression and test for equality of the
586 first operand of the equivalent expression before in turn looking up
587 an equivalent constant for the second operand.
589 2006-09-02 Geoffrey Keating <geoffk@apple.com>
592 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
593 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
594 pointer, instead of assuming it is possible to derive the
595 correct args size from a call insn.
597 2006-09-02 Jakub Jelinek <jakub@redhat.com>
600 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
601 (fold_builtin_mempcpy): Rename to...
602 (fold_builtin_memory_op): ... this. Optimize one element copy
604 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
606 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
607 (expand_builtin_memcpy, expand_builtin_mempcpy,
608 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
609 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
610 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
611 BUILT_IN_MEM{CPY,PCPY,MOVE}.
613 2006-09-01 DJ Delorie <dj@redhat.com>
615 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
617 ("stzx_24_<mode>"): Likewise.
618 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
619 ("cmp<mode>_op"): New.
620 (cmp<mode>): Change to expander; just save operands.
622 (b<code>): Change to expander, emit compare here.
623 (s<code>_op): Change to use split and expander.
624 (s<code>_24_op): Likewise.
625 (s<code>_<mode>): New.
626 (s<code>_<mode>_24): New.
627 (movqicc_<code>_<mode): New.
628 (movhicc_<code>_<mode>): New.
631 * config/m32c/m32c.c (compare_op0, compare_op1): New.
632 (m32c_pend_compare): New.
633 (m32c_unpend_compare): New.
634 (m32c_expand_scc): New.
635 (m32c_expand_movcc): Emit the compare also.
636 * config/m32c/predicates.md (mra_nopp_operand): New.
638 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
639 Richard Guenther <rguenther@suse.de>
640 Adam Nemet <anemet@caviumnetworks.com>
643 * builtins.c (get_pointer_alignment): Handle more forms
644 of base addresses that can be used to derive more precise
645 information about alignment.
647 2006-09-01 Jason Merrill <jason@redhat.com>
650 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
653 * gimplify.c (voidify_wrapper_expr): Handle null type.
655 2006-09-01 Josh Conner <jconner@apple.com>
658 * tree-nrv.c (dest_safe_for_nrv_p): New function.
659 (execute_return_slot_opt): Use it.
661 2006-08-31 Josh Conner <jconner@apple.com>
664 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
665 returning aggregates.
667 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
669 PR tree-optimization/28839
670 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
671 blocks in that phi arguments appear.
673 2006-08-31 Roger Sayle <roger@eyesopen.com>
676 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
677 NULL, otherwise use an advance_loc4 to adjust relative to the
679 (output_cfi) <DW_CFA_set_loc>: Update the current label.
680 (dwarf2out_switch_text_section): Reset the current label to avoid
681 using advance_loc4 over section boundaries.
683 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
686 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
687 r12 + SYMBOLIC_CONST.
689 2006-08-30 Richard Guenther <rguenther@suse.de>
691 * Makefile.in (see.o): Add $(EXPR_H) dependency.
693 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
695 PR rtl-optimization/27735
696 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
697 Add new argument to keep track of whether an irreducible region
698 was affected. All callers changed.
699 (fix_irreducible_loops): Removed.
700 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
701 flags were invalidated.
703 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
705 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
706 instead of SF operands.
707 (*fop_df_comm_sse): Likewise.
708 (*fop_df_comm_i387): Likewise.
709 (*fop_df_1_mixed): Likewise.
710 (*fop_df_1_sse): Likewise.
712 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
713 J"orn Rennecke <joern.rennecke@st.com>
715 PR tree-optimization/17506
716 * tree-ssa.c (warn_uninit): If warning about a location outside of
717 the current function, note where the variable was declared.
719 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
721 PR tree-optimization/28411
722 * double-int.c (double_int_div): Use double_int_divmod.
723 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
724 double_int_mod, double_int_smod, double_int_umod): New functions.
725 * double-int.h (double_int_divmod, double_int_sdivmod,
726 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
728 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
730 (get_computation_aff, get_computation_cost_at): Handle double_int
731 return type of constant_multiple_of.
733 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
736 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
737 an implicit conversion.
739 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
741 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
743 2006-08-27 Roger Sayle <roger@eyesopen.com>
745 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
748 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
750 * config/i386/crtfastmath.c: Fix a comment typo.
752 2006-08-26 Roger Sayle <roger@eyesopen.com>
754 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
755 temporary visit flags on CASE_LABEL_EXPRs.
756 * c-common.c (match_case_to_enum): Add function comment. Avoid
757 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
758 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
759 CASE_HIGH_SEEN for enumerated types. If the switch expression is
760 a constant, only warn if that constant value isn't handled.
762 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
765 * input.h (restore_input_file_stack): Declare.
766 (INPUT_FILE_STACK_BITS): Define.
767 * toplev.c (fs_p, input_file_stack_history,
768 input_file_stack_restored, restore_input_file_stack): New.
769 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
770 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
771 (pop_srcloc): Don't free old state of stack.
773 2006-08-26 David Edelsohn <edelsohn@gnu.org>
776 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
777 (PowerPC Type Attributes): New.
779 2006-08-26 Bob Wilson <bob.wilson@acm.org>
781 * config/xtensa/xtensa.c (function_arg_boundary): New.
782 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
784 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
785 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
787 2006-08-26 Jakub Jelinek <jakub@redhat.com>
790 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
793 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
795 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
796 (verify_local_live_at_start): Likewise.
798 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
801 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
802 omp_add_variable): Treat sizes as variable whenever not
805 2006-08-26 Richard Guenther <rguenther@suse.de>
808 * fold-const.c (fold_binary): Fold temporary to correct
809 type before constructing new comparison.
811 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
814 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
815 variable again if DECL_SEEN_IN_BIND_EXPR_P.
817 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
820 * c-decl.c (start_function): Don't try to process prototype
821 information from old declaration that isn't a function.
823 2006-08-25 Jan Hubicka <jh@suse.cz>
826 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
828 2006-08-25 Alan Modra <amodra@bigpond.net.au>
831 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
834 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
836 PR tree-optimization/16876
837 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
838 exit if PARM doesn't match VALUE.
840 2006-08-25 Bob Wilson <bob.wilson@acm.org>
842 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
843 literal_prefix directive.
844 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
845 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
846 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
848 2006-08-25 David Edelsohn <edelsohn@gnu.org>
851 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
852 predicate to general_operand. Add 0->y and I->r alternatives.
854 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
856 * doc/tm.texi: Fix a typo.
857 * predict.c: Fix comment typos.
859 2006-08-25 Nick Clifton <nickc@redhat.com>
861 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
862 assertions of "cpu" and "machine".
864 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
867 * tree-ssa-operands.c (access_can_touch_variable): Don't say
868 the access through a base which has an alias set of 0 cannot
871 2006-08-24 Bill Wendling <wendling@apple.com>
873 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
875 2006-08-24 Jan Hubicka <jh@suse.cz>
877 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
879 2006-08-24 Jan Hubicka <jh@suse.cz>
882 * cgraph.c: Fix comments.
883 (cgraph_varpool_mark_needed_node): Mark only variables not already
885 * cgraphunit.c: Update comments; include gt-cgraphunit.h
886 (cgraph_varpool_assembled_nodes_queue): New static variable.
887 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
888 (cgraph_varpool_output_debug_info): New function.
889 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
890 * Makefile.in: Add gt-cgraphunit.h
892 2006-08-24 Jan Hubicka <jh@suse.cz>
894 * predict.c (probability_reliable_p): New predicate.
895 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
896 (predict_loops): Do not predict loop exit with less than 2%
898 * basic-block.h (edge_probability_reliable_p,
899 br_prob_note_reliable_p): Declare.
900 * ia64.h (ia64_print_operand): Do not disable on-chip branch
901 prediction when static predictor is not reliable.
902 * rs6000.c (output_cbranch): Likewise.
904 2006-08-23 Stuart Hastings <stuart@apple.com>
907 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
908 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
910 2006-08-21 Geoffrey Keating <geoffk@apple.com>
913 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
914 complex values, nor for generic vector values.
916 2006-08-22 Richard Guenther <rguenther@suse.de>
919 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
920 parameter. Convert arguments to arithmetic expression to the
922 (analyze_scalar_evolution_1): Adjust caller.
924 2006-08-22 Jan Hubicka <jh@suse.cz>
926 Patch by Paolo Bonzini
927 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
930 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
932 PR tree-optimization/28003
933 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
934 before grouping aliases.
936 2006-08-22 Roger Sayle <roger@eyesopen.com>
938 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
939 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
941 2006-08-21 Jason Merrill <jason@redhat.com>
944 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
945 wrapper. Loop to handle nested wrappers.
946 (gimplify_bind_expr): Remove temp parameter.
947 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
948 and STATEMENT_LIST on the rhs.
949 (gimplify_statement_list): Voidify the STATEMENT_LIST.
950 (gimplify_expr): Pass pre_p to gimplify_statement_list.
951 (gimplify_target_expr): Remove special BIND_EXPR handling.
953 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
955 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
958 2006-08-21 Olivier Hainque <hainque@adacore.com>
960 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
961 Arrange for the temporary captures of components overlapping the lhs
962 to happen before the lhs is possibly cleared.
964 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
966 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
967 necessary places to pass the correct "number of registers" values
970 2006-08-20 Jan Hubicka <jh@suse.cz>
972 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
973 (create_name_tags): Instead of quadratic checking use hashtable.
974 * bitmap.h: Include hashtab.h.
975 (bitmap_hash): Declare.
976 * bitmap.c (bitmap_hash): New function.
978 2006-08-20 Jan Hubicka <jh@suse.cz>
980 PR rtl-optimization/28071
981 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
983 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
984 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
985 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
986 cgraph_decide_inlining_incrementally): Update use of
987 cgraph_check_inline_limits.
988 * cgraph.c (edge_hash, edge_eq): New function.
989 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
990 cgraph_edge_remove_caller, cgraph_node_remove_callees,
991 cgraph_remove_node): Maintain call site hash.
992 * cgraph.h (struct cgraph_node): Add call_site_hash.
993 (cgraph_set_call_stmt): New function.
995 2006-08-20 Jan Hubicka <jh@suse.cz>
997 PR rtl-optimization/28071
998 * reload1.c (reg_has_output_reload): Turn into regset.
999 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1000 choose_reload_regs, emit_reload_insns): Update to new
1001 reg_has_output_reload.
1003 2006-08-20 Jan Hubicka <jh@suse.cz>
1006 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1007 function body sizes.
1008 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1010 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1013 * tree.c (handle_dll_attribute): Return early if not a
1014 var or function decl.
1016 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1019 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1020 alignment of SPE vector types.
1022 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1024 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1026 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1029 * cgraph.h (struct cgraph_node): Remove externally_visible
1031 * cgraphunit.c (process_function_and_variable_attributes): Set
1032 local.externally_visible rather than externally_visible.
1035 * c-common.c (handle_externally_visible_attribute): First look
1036 at TREE_CODE and only if it is function or var decl, check for
1037 non-public objects. Don't warn for DECL_EXTERNAL.
1038 * cgraphunit.c (process_function_and_variable_attributes): Warn
1039 if externally_visible attribute is used on non-public object.
1041 2006-08-17 Jan Hubicka <jh@suse.cz>
1043 PR tree-optimization/27865
1044 * reload1.c (forget_marked_reloads): New function.
1045 (forget_old_reloads_1): When data are passed, just mark the registers
1047 (reload_as_needed): Use the new mechanizm.
1049 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1052 * reload.h (reg_equiv_alt_mem_list): New declaration.
1053 * reload1.c (reg_equiv_alt_mem_list): New definition.
1054 (reload): Initialize it and release it.
1055 (delete_output_reload): Use it.
1056 * reload.c (push_reg_equiv_alt_mem): New function.
1057 (find_reloads_toplev): Call it.
1058 (find_reloads_address, find_reloads_address_1): Likewise.
1059 (find_reloads_subreg_address): Likewise.
1061 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1063 PR rtl-optimization/28489
1064 * sched-ebb.c (begin_schedule_ready): Create basic block
1066 (advance_target_bb): Skip empty blocks.
1067 * haifa-sched.c (bb_note): Make global.
1068 * sched-int.h (bb_note): Add prototype.
1070 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1072 PR tree-optimization/27865
1073 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1075 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1076 fold_used_pointer, pointer_used_p): New functions.
1077 (analyze_scalar_evolution_1): Use fold_used_pointer.
1078 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1079 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1082 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1085 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1086 or the INTEGER_CST. Fail on a CALL_EXPR.
1087 (fold_offsetof): Pass new argument to fold_offsetof_1.
1088 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1089 operand into an INDIRECT_REF.
1090 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1092 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1094 PR gcov/profile/26570
1095 * value-prof.c (static_values): Removed.
1096 (tree_find_values_to_profile): Do not set static_values.
1097 (find_values_to_profile): Do not free static_values.
1098 * profile.c (instrument_values): Do not free the values.
1099 (branch_prob): Free the values.
1101 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1103 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1105 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1108 * c-typeck.c (build_component_ref): Combine qualifiers of
1109 structure or union and field.
1111 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1113 PR rtl-optimization/28071
1114 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1115 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1116 * tree-into-ssa.c (struct dom_dfsnum): New.
1117 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1119 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1120 compute_global_livein.
1121 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1122 in phi nodes in the correct blocks.
1124 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1126 PR tree-optimization/28364
1127 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1129 (fold_affine_expr): New function.
1130 (may_eliminate_iv): Use fold_affine_expr.
1132 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1135 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1138 2006-08-16 Mike Stump <mrs@apple.com>
1140 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1141 * doc/cppopts.texi (-MD): Likewise.
1143 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1146 * c-common.c (handle_weak_attribute): Ignore and warn if
1147 not a FUNCTION_ or VAR_DECL.
1149 2006-07-15 Mike Stump <mrs@apple.com>
1152 * c-parser.c (c_parser_typeof_specifier): Don't use
1153 c_finish_expr_stmt, open code desired semantics instead.
1155 2006-08-15 Nick Clifton <nickc@redhat.com>
1157 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1158 fragment to tmake_file only if threads are enabled.
1159 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1160 * config/i386/t-gthr-win32: New file. ... here.
1162 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1165 * c-parser.c (c_parser_compound_statement_nostart): Reset
1166 parser->error after each statement.
1168 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1171 * omp-low.c (lower_omp_parallel): Convert t to
1172 receiver_decl's type.
1173 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1174 source before comparison.
1177 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1178 to itype in assignment to oldival2.
1180 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1184 * c-typeck.c (build_compound_expr): If the second expression
1185 is an error mark, then just return an error mark instead of
1186 creating a COMPOUND_EXPR.
1188 2006-07-14 Mike Stump <mrs@apple.com>
1190 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1192 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1194 * c-decl.c, var-tracking.c: Fix comment typos.
1196 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1198 PR rtl-optimization/28634
1199 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1200 for floating-point modes unless flag_unsafe_math_optimizations.
1202 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1203 Andrew Pinski <pinskia@physics.uc.edu>
1206 * tree.c (build_array_type): Unify array types with
1207 unspecified index_type.
1208 * c-decl.c (grokdeclarator): Make sure we do not modify a
1209 unified incomplete array type.
1210 * c-typeck.c (store_init_value): Create distinct type before
1211 filling in the index type in an initializer from a compound
1214 * c-decl.c (grokdeclarator): Remove code where we copy the
1217 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1219 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1220 into account for TODO_dump_cgraph.
1221 (TODO_update_ssa_no_phi): Likewise.
1222 (TODO_update_ssa_full_phi): Likewise.
1223 (TODO_update_ssa_only_virtuals): Likewise.
1224 (TODO_remove_unused_locals): Likewise.
1225 (TODO_set_props): Likewise.
1226 (TODO_update_stmt_usage): Likewise.
1228 2006-08-13 Dirk Mueller <dmueller@suse.de>
1230 * c-common.c (strict_aliasing_warning): Fix formatting.
1232 2006-08-13 Matthias Klose <doko@debian.org>
1234 * doc/invoke.texi: Fix spelling errors.
1236 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1238 PR rtl-optimization/23454
1239 * reorg.c (relax_delay_slots): Update comment.
1241 2006-08-11 Richard Guenther <rguenther@suse.de>
1244 * simplify-rtx.c (simplify_const_relational_operation):
1245 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1248 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1250 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1251 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1253 2006-08-10 Paul Brook <paul@codesourcery.com>
1255 * final.c (final_scan_insn): Clear current_insn_predicate before
1256 outputting inline asm.
1258 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1260 PR tree-optimization/26197
1261 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1262 get_ref_base_and_extent and overlap_subvar to add only relevant
1263 subvars as may-aliases.
1264 (add_may_alias_for_new_tag): New function, factored out of
1266 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1267 with additional argument.
1268 * tree-flow.h (new_type_alias): Takes additional argument.
1270 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1272 * gcov.c (no_data_file): New flag.
1273 (read_count_file): Set it if data file not present. Assume counts
1275 (output_lines): Don't name the data file, if there wasn't one.
1277 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1279 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1280 (rs6000_generate_compare): Tweak comments.
1281 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1283 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1285 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1286 (var_debug_decl): New function.
1287 (var_reg_set): Follow debug decl link. Add location even if
1288 reg is already known to hold some other variable.
1289 (var_mem_set): Follow debug decl link.
1290 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1291 decl link. Delete other known locations of the variable part
1293 (var_reg_delete, var_mem_delete): Delete other known locations
1294 of the variable part if requested.
1295 (same_variable_part_p): New function.
1296 (add_stores): Select MO_COPY when appropriate.
1297 (vt_initialize): Handle it.
1298 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1299 known locations for MO_SET and MO_CLOBBER.
1300 (find_variable_location_part): New function.
1301 (set_variable_part, delete_variable_part): Use it.
1302 (clobber_variable_part): New function.
1303 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1306 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1308 PR tree-optimization/26969
1309 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1310 with an empty list of PHIs.
1312 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1316 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1319 2006-08-06 Andreas Schwab <schwab@suse.de>
1321 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1322 string. Whitespace and comment fixup.
1324 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1327 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1331 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1334 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1336 2006-08-04 Jan Hubicka <jh@suse.cz>
1340 * reload.c (push_reload): Patch out the mismatching instruction;
1342 (find_reload): Bail out if the instruction was patched out.
1344 2006-08-04 Jan Hubicka <jh@suse.cz>
1346 PR tree-optimization/24888
1347 * tree-inline.c (expand_call_inline): Do not re-record variables.
1348 (declare_inline_vars): Add variable to unexpanded_var_list.
1350 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1351 Roger Sayle <roger@eyesopen.com>
1353 PR rtl-optimization/26244
1354 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1355 inner_const are negative or greater than or equal to the bitsize of
1356 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1357 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1358 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1359 CONST0_RTX (mode) when the new shift count is greater than or equal to
1360 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1363 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1365 * tree-cfg.c: Fix a comment typo.
1367 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1370 * varasm.c (output_constant): Give the front end another chance to
1371 expand constants, after stripping NOPs.
1373 2006-08-03 Jan Hubicka <jh@suse.cz>
1375 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1378 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1380 PR tree-optimization/27770
1381 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1382 declaration removed (moved to tree-flow.h).
1383 (vect_can_force_dr_alignment_p): Likewise.
1384 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1385 (moved from tree-vectorizer.h).
1386 (vect_can_force_dr_alignment_p): Likewise.
1387 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1388 from outside the vectorizer - in particular from cgraph stage.
1389 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1390 the alignment of global arrays when -fsection-anchors is enabled.
1391 * cgraphunit.c (cgraph_increase_alignment): New function.
1392 (cgraph_optimize): Call cgraph_increase_alignment.
1394 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1397 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1398 not reload a SPE symbol_ref into a lo_sum address.
1400 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1403 * dwarf2out.c (prune_unused_types_prune): Move call to
1404 prune_unused_types_update_strings to cover the parent DIE also.
1406 2006-08-02 Jan Hubicka <jh@suse.cz>
1408 PR gcov/profile/28480
1409 * tree-cfg.c (change_bb_for_stmt): New function.
1410 (tree_merge_blocks, tree_split_blocks): Use it.
1412 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1418 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1419 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1420 (cgraph_optimize): Likewise.
1422 2006-08-01 Stuart Hastings <stuart@apple.com>
1424 * rtl.h (UINTVAL) New.
1425 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1426 * testsuite/gcc.dg/20060801-1.c: New.
1428 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1431 * c-typeck.c (build_external_type): Mark used enum types.
1432 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1434 (gen_subprogram_die): Whitespace fix.
1436 2006-08-01 Jan Hubicka <jh@suse.cz>
1438 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1439 bitmap when not needed.
1440 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1443 2006-08-01 Dirk Mueller <dmueller@suse.de>
1445 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1447 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1449 * Makefile.in: Revert part of previous patch:
1450 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1453 2006-07-30 Eric Christopher <echristo@apple.com>
1456 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1457 (PowerPC Variable Attributes): New section.
1459 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1461 PR target/28126 (partial fix)
1462 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1464 2006-07-28 Jan Hubicka <jh@suse.cz>
1466 PR rtl-optimization/28071
1467 * cfgrtl.c (rtl_delete_block): Free regsets.
1468 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1470 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1472 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1473 and variables used in dependencies.
1475 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1477 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1478 %fs for -mcmodel=kernel.
1479 (stack_tls_protect_test_di): Likewise.
1481 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1483 * Makefile.in: Use mkinstalldirs.
1485 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1488 * opts-common.c (prune_options): Skip joined switches.
1490 2006-07-27 Jan Hubicka <jh@suse.cz>
1492 PR rtl-optimization/28071
1493 * cselib.c (cselib_process_insn): Don't remove useless values too
1494 often for very large hashtables.
1496 2006-07-27 Jan Hubicka <jh@suse.cz>
1498 PR rtl-optimization/28071
1499 * global.c (greg_obstack): New obstack.
1500 (allocate_bb_info): Use it.
1501 (free_bb_info): Likewise.
1502 (modify_reg_pav): Likewise.
1504 2006-07-27 Roger Sayle <roger@eyesopen.com>
1506 * builtins.c (fold_fixed_mathfn): When long and long long are the
1507 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1508 functions to their lceil*, lfloor*, lround* and lrint* forms.
1510 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1513 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1515 (rev_branch_insn): Likewise.
1517 2006-07-27 Jan Hubicka <jh@suse.cz>
1519 PR rtl-optimization/28071
1520 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1521 (reg_set_in_bb, max_reg_computed): New static variables.
1522 (regmove_optimize): Free the new array.
1523 (fixup_match_1): Update call of reg_is_remote_constant_p.
1525 2006-07-26 Jan Hubicka <jh@suse.cz>
1527 PR tree-optimization/27882
1528 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1530 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1532 (cgraph_analyze_compilation_unit): Likewise.
1533 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1534 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1535 (cgraph_early_inlinine): Make order garbage collected.
1536 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1538 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1540 * dbxout.c (output_types_sort): Add a comment.
1541 (output_used_types): Free the VEC.
1543 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1545 * function.c (reorder_fix_fragments): Delete.
1546 (reorder_blocks): Don't call it.
1547 (reorder_blocks_1): Put all subblocks under the origin block.
1549 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1551 PR rtl-optimization/27907
1552 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1555 2006-07-25 Roger Sayle <roger@eyesopen.com>
1558 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1559 bar(x) check that bar's result type can represent all the values of T.
1561 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1563 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1565 2006-07-25 Nick Clifton <nickc@redhat.com>
1567 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1568 size_lookup[] array.
1569 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1570 (ggc_pch_count_object): Likewise.
1571 (ggc_pch_alloc_object): Likewise.
1572 (ggc_pch_write_object): Likewise.
1573 (init_ggc): Do not attempt to initialize entries in the
1574 size_lookup[] array for objects whose size is greater than than
1575 the length of the array.
1577 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1579 * dbxout.c (output_used_types_helper): Push queued types
1581 (output_types_sort): New.
1582 (output_used_types): Collect used types on a VEC and sort them
1585 2006-07-24 Richard Guenther <rguenther@suse.de>
1588 * cgraph.c (cgraph_remove_node): Do not check if dumps
1590 * cgraphunit.c (cgraph_optimize): Likewise.
1592 2006-07-24 Jan Hubicka <jh@suse.cz>
1594 PR rtl-optimization/28071
1595 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1596 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1597 splitting before first stmt.
1599 2006-07-24 Jan Hubicka <jh@suse.cz>
1601 PR rtl-optimization/28071
1602 * ipa-inline.c (update_caller_keys): Remove edges that
1603 are no longer inline candidates.
1605 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1608 * dbxout.c (output_used_types_helper, output_used_types): New.
1609 (dbxout_symbol): Call output_used_types.
1611 2006-07-23 Jan Hubicka <jh@suse.cz>
1615 * cgraph.c (cgraph_varpool_nodes): Export.
1616 (decide_is_variable_needed): Ignored "used" attribute in
1617 unit-at-a-time mode.
1618 * cgraph.h (cgraph_varpool_nodes): Declare.
1619 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1620 unit-at-a-time mode.
1622 2006-07-23 Roger Sayle <roger@eyesopen.com>
1625 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1626 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1627 the __gthrw form of thr_keycreate.
1628 (__gthread_key_delete): Silence the unused argument warning.
1630 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1633 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1634 Cache the last found '\0' marker to avoid quadratic behavior.
1636 2006-07-23 Jan Hubicka <jh@suse.cz>
1638 * i386.md (subsi_3_zext): Fix output template.
1640 2006-07-21 Mike Stump <mrs@apple.com>
1642 * doc/invoke.texi (C++ Dialect Options): Note that
1643 -fvisibility-inlines-hidden doesn't affect explicitly
1644 instantiationed inline methods.
1646 2006-07-20 Roger Sayle <roger@eyesopen.com>
1648 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1649 if the target assembler is GNU binutils' gas.
1650 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1651 whether to pass GNU gas or native as command line options.
1653 2006-07-20 Jason Merrill <jason@redhat.com>
1655 * tree.c (remove_attribute): New fn.
1656 * tree.h: Declare it.
1658 2006-07-20 Paul Brook <paul@codesourcery.com>
1661 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1662 they are invalidated by this instruction.
1664 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1667 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1669 2006-07-20 Eric Christopher <echristo@apple.com>
1672 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1674 2006-07-19 Eric Christopher <echristo@apple.com>
1676 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1677 Rewrite dependencies for libgcc_s.1.dylib.
1679 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1681 * except.c (duplicate_eh_regions_1): Clear next_peer.
1683 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1685 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1686 -mlongcall does not guarantee all calls will be long.
1687 * doc/extend.texi (long_call/short_call): Document that longcall
1688 does not guarantee a long call will be used.
1689 (longcall/shortcall): Likewise.
1691 2006-07-18 Roger Sayle <roger@eyesopen.com>
1694 * expmed.c (expand_shift): Additionally check that the shift_cost
1695 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1696 before implementing a LSHIFT_EXPR as a sequence of additions.
1697 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1698 middle-end that DImode shifts need to be synthesized by expand.
1700 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1703 * tree-ssa-operands.c (access_can_touch_variable): Update
1705 Return true if ALIAS is .GLOBAL_VAR.
1707 2006-07-18 David Daney <ddaney@avtrex.com>
1709 * gcc.c (display_help): Fix typo in help text.
1711 2006-07-18 Olivier Hainque <hainque@adacore.com>
1713 * tree.h (categorize_ctor_elements): Adjust prototype and add
1714 descriptive comment, both in accordance with the interface change
1716 * varasm.c (constructor_static_from_elts_p): New function.
1717 Whether a constructor node is a valid static constant initializer
1718 if all its elements are.
1719 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1720 * output.h: Declare it.
1721 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1722 is a valid constant initializer instead of computing the number of
1723 non-constant elements. Use constructor_static_from_elts_p for this
1724 purpose. Replace the head comment with an indication that this is a
1725 helper for categorize_ctor_elements.
1726 (categorize_ctor_elements): Same interface change as for the _1
1727 helper. Former head comment from this helper moved here, adjusted to
1728 account for the interface changes.
1729 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1730 (all_zeros_p): Likewise.
1731 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1732 static versions of the constructor from the categorize_ctor_elements
1733 return value instead of the formerly computed number of non-constant
1736 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1738 * configure: Regenerate.
1739 * Makefile.in (build_libsubdir): New configure substitution
1740 (build_libobjdir): New variable.
1741 (BUILD_LIBIBERTY): Use it.
1743 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1746 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1748 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1751 * c-common.c (handle_weakref_attribute): Ignore attribute in
1752 the same conditions the alias attribute is ignored.
1754 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1756 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1757 (dbxout_begin_prologue): Increment scope_labelno.
1759 2006-07-17 Richard Henderson <rth@redhat.com>
1762 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1765 2006-07-17 Roger Sayle <roger@eyesopen.com>
1766 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1768 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1769 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1770 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1771 functions such as sbrk, write, etc.. Add function prototypes.
1772 Convert function declarations from K&R to ISO C. Cast pointers
1773 to "long" and "unsigned long" instead of "int" and "unsigned int".
1774 Convert tokens following #endif into comments.
1776 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1778 * invoke.texi: Remove mention of f77; Reformat table for
1779 inline parameter options correctly; mention that -malign-double
1780 is default on x86-64 targets.
1782 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1784 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1785 (convert_affine_scev, chrec_convert_aggressive): Use
1786 avoid_arithmetics_in_type_p. Do not check for the subtypes
1789 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1792 * optabs.c (expand_doubleword_shift): Wrap the call to
1793 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1795 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1798 * optabs.c (expand_binop): Pass next_methods rather than methods
1799 to expand_doubleword_shift.
1801 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1804 * tree.h (dump_addr): Declare.
1805 * print-tree.c (dump_addr): New function.
1806 (print_node_brief, print_node): Use it.
1807 * print-rtl.c (print_rtx): Likewise.
1808 * common.opt (-fdump-noaddr): New option.
1809 * doc/invoke.texi (-fdump-noaddr): Document.
1810 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1811 (ve_info_hash): Likewise.
1813 2006-07-13 Andrew Haley <aph@redhat.com>
1815 PR tree-optimization/19505
1816 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1817 edge leaving this block, make sure that the destination of this
1818 block has only one predecessor.
1820 2006-07-17 Richard Guenther <rguenther@suse.de>
1822 PR tree-optimization/28238
1823 * tree-inline.c (copy_bb): Check if we produced valid
1824 gimple copying and substituting a stmt. If not, gimplify
1827 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1829 * optabs.c (maybe_encapsulate_block): New function extracted from...
1830 (emit_libcall_block): ...here. Invoke it on the block of insns to
1831 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1832 (emit_no_conflict_block): Likewise.
1834 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1836 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1838 2006-07-15 Roger Sayle <roger@eyesopen.com>
1840 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1841 a new NOP_EXPR case of the switch statement.
1843 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1846 * stor-layout.c (place_field): Take the bit field with
1847 an excessive size into account in the ms-bitfiled case.
1850 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1851 the previous bit field.
1853 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1856 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1858 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1860 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1861 signal frames correctly even when the signal was installed with
1864 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1866 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1867 (dbxout_function_end): Use local label LFBB. Remove hook
1869 (dbxout_source_line): Use local label LFBB.
1870 (dbxout_block): Likewise.
1871 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1872 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1873 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1874 and DBX_OUTPUT_NFUN.
1876 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1878 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1880 2006-07-13 Jan Hubicka <jh@suse.cz>
1882 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1884 * output.h (align_variable): Declare.
1885 * varasm.c (align_variable): Export.
1886 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1887 when basic block changed.
1889 2006-07-13 Nick Clifton <nickc@redhat.com>
1891 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1892 walking the LOG_LINKS chain.
1894 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1896 * doc/invoke.texi (C++ Dialect Options): Explain difference
1897 between -fvisibility-inlines-hidden and setting hidden
1898 visibility explicitly.
1900 2006-07-12 Eric Christopher <echristo@apple.com>
1902 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1903 (stmp-lipo): Depend on libgcc.a.
1905 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1907 * tree.c: Fix a comment typo.
1909 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1911 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1913 (umulhisi3_r): Likewise.
1915 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1918 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1919 x < 19, vs wchar_t support.
1921 2006-07-12 Nick Clifton <nickc@redhat.com>
1923 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1924 instead of -isa=sh4.
1926 2006-07-12 Mike Stump <mrs@apple.com>
1928 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1930 2006-07-10 Eric Christopher <echristo@apple.com>
1932 * config/t-slibgcc-darwin: Rewrite.
1934 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1937 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1940 2006-07-08 Matthias Klose <doko@debian.org>
1942 * doc/sourcebuild.texi: Fix typo.
1944 2006-07-07 Mike Stump <mrs@apple.com>
1946 * toplev.c (process_options): Don't give -ffunction-sections may
1947 affect debugging warning for Mach-O.
1949 2006-07-07 James E Wilson <wilson@specifix.com>
1951 * config/mips/mips.md (cpu): Add sb1a.
1952 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1953 addition to sb1. Adjust comments to clarify SB-1A differences from
1955 (ir_sb1a_load): New. Modify bypasses to use it.
1956 (ir_sb1a_simple_alu): Likewise.
1957 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1958 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1959 (mips_issue_rate): Add PROCESSOR_SB1A.
1960 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1961 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1962 (TARGET_SB1): Add PROCESSOR_SB1A check.
1963 (TUNE_SB1): Likewise.
1965 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1966 * config/mips/mips.c (mips_store_data_bypass_p): New.
1967 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1968 store_data_bypass_p.
1970 2006-07-08 Paul Brook <paul@codesourcery.com>
1973 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1975 2006-07-07 Richard Guenther <rguenther@suse.de>
1978 * tree.h (build_one_cst): Declare.
1979 * tree.c (build_one_cst): New function.
1980 * tree-ssa-math-opts.c (get_constant_one): Remove.
1981 (insert_reciprocals): Use build_one_cst.
1982 * fold-const.c (fold_plusminus_mult): Likewise.
1984 2006-07-07 Roger Sayle <roger@eyesopen.com>
1986 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1987 * cfgloopanal.c (dump_graph): Likewise.
1988 * dojump.c (discard_pending_stack_adjust): Likewise.
1989 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1991 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1992 * function.c (finalize_block_changes): Likewise.
1993 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1994 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1995 * rtl.c (dump_rtx_statistics): Likewise.
1996 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1998 * varray.c (dump_varray_statistics): Likewise.
1999 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2000 decode_decimal64, encode_decimal128, decode_decimal128,
2001 decimal_real_to_decimal): Likewise.
2003 2006-07-07 Richard Guenther <rguenther@suse.de>
2005 PR tree-optimization/28187
2006 * tree-vrp.c (vrp_operand_equal_p): New function.
2007 (vrp_bitmap_equal_p): Likewise.
2008 (update_value_range): Use them to compare old and new
2011 2006-07-06 Roger Sayle <roger@eyesopen.com>
2013 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2014 a default case to switch statement to silence compiler warnings.
2016 2006-07-06 Roger Sayle <roger@eyesopen.com>
2019 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2020 the configured assembler supports the x87's ffreep mnemonic.
2021 * configure: Regenerate.
2022 * config.in: Regenerate.
2024 * config/i386/i386.c (output_387_ffreep): New function.
2025 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2026 (output_387_reg_move): Likewise.
2028 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2030 Port to hosts whose 'sort' and 'tail' implementations
2031 treat operands with leading '+' as file names, as POSIX
2032 has required since 2001. However, make sure the code still
2033 works on pre-POSIX hosts.
2034 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2035 which says you should use "tail -c +N" rather than "tail +Nc".
2036 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2038 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2040 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2043 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2046 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2047 PRE_{INC,DEC} of TFmode.
2049 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2050 Alan Modra <amodra@bigpond.net.au>
2053 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2056 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2059 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2060 Remove duplicate gtu.
2062 2006-07-05 Jason Merrill <jason@redhat.com>
2066 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2067 * c-common.c (handle_packed_attribute): So don't copy it here.
2068 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2070 2006-07-05 Mike Stump <mrs@apple.com>
2072 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2074 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2077 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2079 2006-07-05 Richard Guenther <rguenther@suse.de>
2082 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2083 TARGET_SSE2 targets if using SSE math.
2084 (*absdf2_1): Likewise.
2086 2006-07-05 Richard Guenther <rguenther@suse.de>
2088 PR tree-optimization/28162
2089 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2090 make sure to convert the operands to the correct type.
2092 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2094 PR tree-optimization/28218
2096 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2097 to calculate and free the dominator information.
2099 2006-07-04 Peter O'Gorman <peter@pogma.com>
2101 * mklibgcc.in: chmod 644 before ranlib during install.
2103 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2104 J"orn Rennecke <joern.rennecke@st.com>
2106 * configure.ac (.eh_frame data check): Use diff -b.
2108 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2111 * Makefile.in (BUILD_RTL): Add build/vec.o.
2112 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2113 (build/genextract): Delete.
2114 (build/genautomata): Likewise.
2116 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2119 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2120 128-bit IBM long doubles for ABI_V4.
2122 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2124 * tree.c (range_in_array_bounds_p): New predicate.
2125 * tree.h (range_in_array_bounds_p): Declare it.
2126 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2127 return a less conservative answer.
2128 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2129 and flag 'is_group'.
2130 (IS_ELEMENT_FOR_GROUP): New macro.
2131 (FOR_EACH_ACTUAL_CHILD): Likewise.
2132 (next_child_for_group): New helper function.
2133 (can_completely_scalarize_p): Take into account groups.
2134 (sra_hash_tree): Handle RANGE_EXPR.
2135 (sra_elt_eq): Likewise.
2136 (lookup_element): Be prepared for handling groups.
2137 (is_valid_const_index): Delete.
2138 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2139 instead of is_valid_const_index.
2140 <ARRAY_RANGE_REF>: New case.
2141 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2142 is_valid_const_index.
2143 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2144 (scan_dump): Dump info for groups too.
2145 (decide_instantiation_1): Likewise.
2146 (decide_block_copy): Assert that the element is not a group.
2147 Propagate decision to groups.
2148 (generate_one_element_ref): Handle RANGE_EXPR.
2149 (mark_no_warning): Iterate over actual childs.
2150 (generate_copy_inout): Likewise.
2151 (generate_element_copy): Likewise.
2152 (generate_element_zero): Likewise.
2153 (generate_element_init_1): Likewise.
2154 (dump_sra_elt_name): Handle RANGE_EXPR.
2156 2006-07-03 Roger Sayle <roger@eyesopen.com>
2158 PR tree-optimization/26251
2159 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2160 (thread_block): When optimizing for size refuse to thread jumps
2161 that would require duplication of blocks other than redirection
2164 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2166 * configure.ac: Fix thinko in previous check-in.
2167 * configure: Regenerate.
2169 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2172 * configure.ac (for lang...): Simplify nesting of conditionals.
2173 Test subdir_requires for non-enabled languages. Move processing
2174 of lang_opt_files and lang_tree_fiels below that test.
2175 * configure: Regenerate.
2176 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2178 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2180 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2182 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2184 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2187 2006-06-29 Jason Merrill <jason@redhat.com>
2194 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2195 * c-common.c (c_determine_visibility): Handle it here.
2196 * c-decl.c (finish_decl): Call c_determine_visibility for
2198 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2200 * varasm.c (default_assemble_visibility): Likewise.
2201 * c-common.c (handle_visibility_attribute): Complain about trying
2202 to give visibility to an already defined class, or trying to change
2203 declared visibility. Always attach the attribute.
2208 * attribs.c (decl_attributes): Ignore type-in-place attributes
2209 once the type has been defined.
2211 2006-06-29 Roger Sayle <roger@eyesopen.com>
2214 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2215 to indicate the cpplib has issued an error message for us.
2217 2006-06-29 Asher Langton <langton2@llnl.gov>
2220 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2221 insert a label at the end of an function under Mach-O.
2223 2006-06-29 Eric Christopher <echristo@apple.com>
2224 Evan Cheng <evan.cheng@apple.com>
2226 * predicates.md (vector_all_ones_operand): New.
2227 (nonimmediate_or_sse_const_operand): Ditto.
2228 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2229 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2230 (standard_sse_mode_p): Ditto.
2231 (standard_sse_constant_p): Add case for -1 vector.
2232 (ix86_expand_vector_move): Try to use.
2233 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2234 Call standard_sse_constant_opcode.
2235 (*movv4sf_internal): Ditto.
2236 (*movv2df_internal): Ditto.
2238 2006-06-29 Roger Sayle <roger@eyesopen.com>
2240 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2241 of XEXP to extract the operands of a MATCH_CODE rtx.
2243 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2245 * tree.c (tree_size): Do not waste tail padding in
2246 struct tree_string and make the size be the same as
2247 build_string will generate.
2249 2006-06-28 Jason Merrill <jason@redhat.com>
2252 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2253 may_aliases already in the tag's annotations to the bitmap.
2255 2006-06-28 Roger Sayle <roger@eyesopen.com>
2257 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2259 2006-06-28 Roger Sayle <roger@eyesopen.com>
2261 * genpreds.c (generate_switch_p): New function.
2262 (add_mode_tests): Push the new mode test down inside an AND expr
2263 if this allows the switch-suitable MATCH_CODE to be near the root.
2264 (write_match_code_switch): New function to write a MATCH_CODE as
2266 (write_predicate_stmts): New function to write a predicate RTX
2267 expression as a sequence of statements.
2268 (write_one_predicate_function): Use write_predicate_stmts.
2269 (write_tm_constrs_h): Likewise.
2271 2006-06-26 Fred Fish <fnf@specifix.com>
2273 * config/mips/t-sb1: New file.
2274 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2277 2006-06-26 DJ Delorie <dj@redhat.com>
2279 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2281 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2282 Jayant Sonar <jayants@kpitcummins.com>
2283 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2285 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2286 (subsi3, subsi3_1, subsi3_2): New.
2287 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2288 * config/m32c/mov.md (SI mov peephole): New.
2289 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2290 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2292 2006-06-26 Olivier Hainque <hainque@adacore.com>
2294 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2295 a CALL_EXPR target function declaration.
2297 2006-06-26 Richard Guenther <rguenther@suse.de>
2299 * tree.c (build_string): Do not waste tail padding in
2302 2006-06-26 Richard Guenther <rguenther@suse.de>
2304 * ggc-page.c (init_ggc): Add missing element to size_lookup
2308 2006-06-23 Richard Guenther <rguenther@suse.de>
2310 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2311 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2312 alignment requests instead. Add verification code.
2313 Add struct tree_function_decl and struct tree_binfo size to
2314 extra_order_size_table. Add missing element to size_lookup
2317 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2320 * fold-const.c (const_binop): Be prepared for self returning zero.
2321 Simplify code handling complex values.
2323 2006-06-24 Olivier Hainque <hainque@adacore.com>
2325 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2326 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2329 2006-06-24 Olivier Hainque <hainque@adacore.com>
2331 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2332 ARRAY_REF, so have the callback called for the low bound expression.
2334 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2336 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2337 * c-typeck.c (c_common_type): Disallow operations on decimal float
2338 types and other float types.
2339 * convert.c (convert_to_real): Don't ignore conversions involving
2340 decimal float types.
2342 2006-06-23 Olivier Hainque <hainque@adacore.com>
2344 * tree.c (max_int_size_in_bytes): New function, inspired from
2345 code in function.c:assign_temp.
2346 * tree.h (max_int_size_in_bytes): Declare.
2347 * function.c (assign_temp): Use it.
2348 * gimplify.c (create_tmp_var): Relax the assertions on the type
2349 properties, not mandating constant size any more.
2350 (force_constant_size): New static function.
2351 (gimple_add_tmp_var): Use it, forcing variable size to a
2352 constant upper bound if it is not constant on entry.
2354 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2357 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2358 for initialization and setting of one_only flag to ...
2359 (i386_pe_encode_section_info): ...here.
2360 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2361 Recheck that the symbol has not been defined.
2363 2006-06-23 Richard Guenther <rguenther@suse.de>
2365 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2366 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2367 alignment requests instead. Add verification code.
2368 Add struct tree_function_decl and struct tree_binfo size to
2369 extra_order_size_table. Add missing element to size_lookup
2372 2006-06-22 Roger Sayle <roger@eyesopen.com>
2373 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2376 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2377 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2379 2006-06-23 Ben Elliston <bje@au.ibm.com>
2381 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2382 negate dn -- manipulate it directly.
2384 2006-06-22 Roger Sayle <roger@eyesopen.com>
2385 Steven Bosscher <stevenb.gcc@gmail.com>
2388 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2389 generated by gen_move_insn to add REG_LABEL notes if necessary.
2391 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2393 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2394 (leaf_entry): Remove use of MIN_ESA.
2396 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2398 PR rtl-optimization/28121
2399 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2402 2006-06-21 DJ Delorie <dj@redhat.com>
2404 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2406 (mulhisi3_r): Likewise.
2408 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2411 * coverage.c (coverage_counter_alloc): Leave the index type
2413 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2416 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2418 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2419 section from the "Options for Code Generation Conventions".
2421 2006-06-21 Richard Henderson <rth@redhat.com>
2425 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2427 (global_symbolic_operand): Allow weak symbols, even if local_p.
2429 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2431 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2432 (find_interesting_uses_address): Punt if above function returns true.
2434 2006-06-21 Richard Guenther <rguenther@suse.de>
2436 * configure: Regenerated.
2438 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2440 * config/mips/mips.c (function_arg): Where one part of a
2441 complex argument is in registers and the other part in the stack,
2442 return a REG not a PARALLEL.
2444 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2446 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2447 when cross-compiling. Do not substitute libstdcxx_incdir.
2448 * configure: Regenerated.
2450 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2452 * varasm.c (mergeable_string_section): Check for embedded NULs and
2453 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2454 rather than TREE_STRING_LENGTH bytes.
2456 2006-06-21 Richard Guenther <rguenther@suse.de>
2458 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2459 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2462 2006-06-21 Richrad Guenther <rguenther@suse.de>
2464 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2465 Limit iteration over the dominators.
2467 2006-06-20 Roger Sayle <roger@eyesopen.com>
2469 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2470 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2472 2006-06-20 Richard Guenther <rguenther@suse.de>
2473 Michael Matz <matz@suse.de>
2475 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2477 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2478 * et-forest.h (et_free_pools): Prototype new function.
2479 * et-forest.c (et_free_tree_force): Free parent occurrence.
2480 (et_free_pools): New function.
2481 * dominance.c (free_dominance_info): Free et-forest alloc
2484 2006-06-20 Roger Sayle <roger@eyesopen.com>
2486 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2487 integer modes, attempt to directly construct an integer constant.
2489 * fold-const.c (native_encode_vector): Determine the size of each
2490 element from the vector type instead of the first vector element.
2492 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2493 if all of its elements/components are constant.
2494 (build_constructor_from_list): Likewise.
2496 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2498 PR tree-optimization/27331
2499 * tree-data-ref.c (free_data_ref): New function.
2500 (create_data_ref): Fail if the data reference has unknown access
2502 (free_data_refs): Use free_data_ref.
2504 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2507 * tree-inline.c (setup_one_parameter): Strip useless
2508 type conversion before adding it to the IR.
2509 (declare_return_variable): Likewise.
2511 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2514 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2516 2006-06-19 Mike Stump <mrs@apple.com>
2518 * tree.c (variably_modified_type_p): VM arguments don't make the
2521 2006-06-19 Richard Guenther <rguenther@suse.de>
2523 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2524 type conversions after folding.
2526 2006-06-19 Richard Guenther <rguenther@suse.de>
2528 * ggc-page.c (extra_order_size_tab): Add entries with
2529 size of struct function and basic_block.
2530 (size_lookup): Extend to cover sizes up to 511.
2531 (ggc_alloc_stat): Adjust user.
2532 (ggc_pch_count_object): Likewise.
2533 (ggc_pch_alloc_object): Likewise.
2534 (ggc_pch_write_object): Likewise.
2536 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2538 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2539 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2542 2006-06-19 Denis Chertykov <denisc@overta.ru>
2544 * config/avr/libgcc.S : Correct my wrong previous commit.
2546 2006-06-19 Roger Sayle <roger@eyesopen.com>
2549 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2550 have stripped a SUBREG from the shift count, so we may need to
2551 convert_to_mode back to the type's mode before calling make_tree.
2552 Use new_amount instead of amount to avoid expanding a tree twice.
2554 2006-06-19 Richard Guenther <rguenther@suse.de>
2557 * fold-const.c (operand_equal_p): Check if the argument types
2558 have the same precision before stripping NOPs.
2560 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2562 Fix PR tree-optimization/27341
2563 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2565 * tree-complex.c (pass_lower_complex): Update SMT usage.
2567 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2569 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2570 Add a new alternative to the constraint strings. Add move of
2571 operand 1 to 3 to the splitter definition.
2572 ("doloop_si_long"): Second contraint alternative removed.
2574 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2576 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2577 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2579 (AVR_HAVE_MOVW) Define.
2580 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2581 (ASM_SPEC): Add avr25.
2582 (LINK_SPEC): Add avr25.
2583 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2584 (base_arch_s): Add new member 'have_movw_lpmx'.
2585 (avr_arch_types): Init 'have_movw_lpmx'.
2586 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2587 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2588 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2589 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2590 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2592 (avr_file_start): Do not output '.arh' derective.
2593 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2594 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2595 * config/avr/avr.md (mcu_enhanced): Delete.
2596 (mcu_have_movw): Define.
2597 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2598 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2599 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2600 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2601 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2602 attiny861 and at86rf401 devices.
2604 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2606 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2609 2006-06-17 Karl Berry <karl@gnu.org>
2611 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2612 doc/gccint.texi, doc/install.texi (@dircategory): Use
2613 "Software development" instead of "Programming", following
2614 the Free Software Directory.
2616 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2618 * config/i386/i386.c (legitimate_tls_address)
2619 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2620 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2621 (*tls_dynamic_gnu2_combine_64): Likewise.
2623 2006-06-16 Richard Guenther <rguenther@suse.de>
2626 * fold-const.c (negate_expr_p): Do not introduce undefined
2627 overflow in negating INTEGER_CSTs.
2628 (fold_negate_expr): Rename from negate_expr. Revert last
2629 change for folding BIT_NOT_EXPR. Change semantics to
2630 return NULL_TREE for non-simplified negations. Do not
2631 strip type conversions and unify type handling.
2632 (negate_expr): New function, wrap around fold_negate_expr
2633 but ensure building a tree always. Strip type conversions
2634 here, fold to result type.
2635 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2637 2006-06-16 Roger Sayle <roger@eyesopen.com>
2640 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2641 that (would) return their results in stack registers.
2643 2006-06-16 Michael Matz <matz@suse.de>
2644 Richard Guenther <rguenther@suse.de>
2646 * fold-const.c (fold_truthop): Only return new tree node if
2647 we canonicalized something.
2649 2006-06-16 Richard Guenther <rguenther@suse.de>
2651 * function.h (enum function_frequency): Move declaration
2652 out of struct function.
2653 (struct function): Move bool fields and the enum to the bitfield
2654 section. Reorder elements to avoid padding. Remove unused
2655 fields left over from the RTL inliner removal.
2656 * function.c (free_after_compilation): Do not zero removed fields.
2657 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2658 (ipa-type-escape.o): Likewise.
2660 2006-06-16 Richard Guenther <rguenther@suse.de>
2662 * cgraph.h (struct cgraph_local_info): Turn bool elements
2664 (struct cgraph_node): Likewise.
2665 (struct cgraph_varpool_node): Likewise.
2667 2006-06-15 Richard Guenther <rguenther@suse.de>
2669 * fold-const.c (fold_truth_not_expr): Rename from
2670 invert_truthvalue. Give it fold_* semantics to avoid
2672 (invert_truthvalue): New function. Wrapper around
2673 fold_truth_not_expr.
2674 (optimize_minmax_comparison): Avoid creating garbage.
2675 (fold_unary): Use fold_truth_not_expr for folding
2677 (fold_ternary): Replace uses of invert_truthvalue with
2678 fold_truth_not_expr where applicable.
2679 * tree.h (fold_truth_not_expr): Prototype.
2681 2006-06-16 Richard Guenther <rguenther@suse.de>
2683 PR tree-optimization/27781
2684 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2685 * ipa-pure-const.c (target.h): Include.
2686 (analyze_function): Do not analyze functions that do not
2689 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2692 * tree-dfa.c (referenced_vars_dup_list): Remove.
2693 (find_referenced_vars): Remove assert.
2694 (referenced_var_check_and_insert): Replace dup list with assert.
2695 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2696 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2698 2006-06-15 Richard Guenther <rguenther@suse.de>
2700 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2701 extra unused identifiers if not dumping.
2702 (create_variable_info_for): Likewise.
2704 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2706 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2707 (derive_constant_upper_bound): Derive more precise upper bound in
2708 common cases. Return type changed to double_int.
2709 (record_estimate): Reflect the changed return type of
2710 derive_constant_upper_bound.
2711 * double-int.c (double_int_zext, double_int_sext): Fix.
2713 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2715 * configure.ac (CFLAGS): Get them from the toplevel or from the
2716 configure invocation.
2717 * configure: Regenerate.
2718 * Makefile.in (CFLAGS): Substitute value provided by configure.
2720 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2723 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2724 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2725 rather than calling add_stmt on it.
2726 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2728 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2731 * reload1.c (reload): Remove registers returned by update_eliminables
2732 from used_spill_regs.
2734 2006-06-13 DJ Delorie <dj@redhat.com>
2736 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2738 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2740 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2741 html__strip_dir, html__mkdir_p. Enhance install-html target.
2742 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2743 * configure: Regenerate.
2745 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2747 * fold-const.c (fold_cond_expr_with_comparison): Check for
2748 Objective-C++ as language in deciding COND_EXPR transformation.
2750 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2753 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2754 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2755 * config/sh/lib1funcs.h (SL, SL1): Define.
2756 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2757 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2758 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2759 (OBJS_Os_4_200): New variable.
2760 ($(T)libgcc-Os-4-200.a): Use it.
2761 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2762 when dividing 1 and/or by 0.
2764 2006-06-13 Roger Sayle <roger@eyesopen.com>
2766 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2767 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2768 * configure: Regenerate.
2770 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2772 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2773 for real instruction.
2775 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2778 * haifa-sched.c (check_cfg): Handle special case.
2780 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2783 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2784 Add debug_info parameter. Chain the vars to the BLOCK instead
2785 of the BIND_EXPR if debug info are requested for them.
2786 (pop_gimplify_context): Adjust for above change.
2787 (gimple_add_tmp_var): Likewise.
2788 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2790 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2791 (convert_local_reference): Likewise.
2792 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2793 (finalize_nesting_tree_1): Request that debug info be emitted
2794 for debug_var_chain.
2796 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2798 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2799 for PR target/27863.
2801 2006-06-13 Richard Guenther <rguenther@suse.de>
2804 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2806 2006-06-13 Richard Guenther <rguenther@suse.de>
2808 PR tree-optimization/27830
2809 * tree-inline.c (copy_body_r): For copying the operand
2810 of an ADDR_EXPR make sure to fold &* afterwards.
2812 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2814 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2815 lvalues in the fb_none case with side-effects.
2817 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2819 * tree-flow.h: Remove the prototype for
2820 compute_phi_arg_on_exit.
2821 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2822 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2825 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2827 * builtins.c (expand_builtin_return_addr): Only use
2828 frame_pointer_rtx when count == 0 and we are expanding
2829 __builtin_return_address.
2831 2006-06-12 Fred Fish <fnf@specifix.com>
2833 * config/mips/mips.c (mips_file_start): Create special section
2834 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2836 2006-06-11 Eric Christopher <echristo@apple.com>
2839 * stor-layout.c (place_field): Remove check for
2840 remaining_in_alignment when aligning at the end of a run.
2842 2006-06-11 Eric Christopher <echristo@apple.com>
2845 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2848 2006-06-11 Roger Sayle <roger@eyesopen.com>
2851 Revert incorrect fix for PR target/27158
2852 2006-05-08 Roger Sayle <roger@eyesopen.com>
2853 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2854 of a reg_equiv_constant if the result is a legitimate constant.
2856 2006-06-11 Roger Sayle <roger@eyesopen.com>
2859 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2860 extract a CONST_VECTOR element and interpret it as an integer.
2861 (vspltis_constant): Use const_vector_elt_as_int instead of the
2862 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2863 * config/rs6000/predicates.md (easy_vector_const): Consider
2864 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2866 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2869 * stor-layout.c (update_alignment_for_field): Don't add extra
2870 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2873 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2875 * config/mips/t-rtems: Add EL/EB multilib variants.
2877 2006-06-09 Mike Stump <mrs@apple.com>
2879 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2881 2006-06-09 David Daney <ddaney@avtrex.com>
2883 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2885 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2887 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2889 2006-06-09 Richard Guenther <rguenther@suse.de>
2891 PR tree-optimization/26998
2892 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2893 of signed types, only TYPE_MIN_VALUE is special, but for both,
2894 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2895 in this case, as is -fwrapv.
2897 2006-06-08 Mike Stump <mrs@apple.com>
2900 * config/darwin.c (darwin_asm_output_anchor): Disable
2901 -fsection-anchors on darwin for now.
2902 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2903 * rs6000/rs6000.c (optimization_options): Likewise.
2905 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2908 * config/i386/i386.c (classify_argument): Skip fields with invalid
2911 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2913 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2914 (cse_insn): Likewise for the stack_pointer_rtx.
2916 2006-06-08 Roger Sayle <roger@eyesopen.com>
2918 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2919 conditions from floating point comparisons.
2921 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2924 * expmed.c (struct alg_hash_entry): Fix type of field T
2925 to match synth_mult argument.
2926 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2928 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2931 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2934 2006-06-08 Richard Guenther <rguenther@suse.de>
2937 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2938 only, if overflow is defined and not trapping.
2939 (negate_expr): Likewise.
2941 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2943 PR tree-optimization/27872
2944 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2945 flag on the new exit edge of the unrolled loop.
2947 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2949 PR rtl-optimization/26449
2950 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2952 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2955 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2956 referenced_variables with matching DECL_UID's.
2957 (find_referenced_vars): Make sure duplicate list is empty to start.
2958 (referenced_var_p): Remove.
2959 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2960 Check if var is in the list, and add if needed. Update the duplicate
2961 list if a different var is in the list with the same DECL_UID.
2962 (add_referenced_var): Call routine to check and insert.
2963 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2964 * tree-flow.h (referenced_vars_dup_list): External declaration.
2966 2006-06-07 Fred Fish <fnf@specifix.com>
2968 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2971 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2974 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2975 the imaginary and real parts of a clobbered register.
2976 Emit insn to set the imaginary part.
2978 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2980 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2981 in lieu of unwind-dw2-fde.c.
2983 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2985 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2987 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2990 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2991 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2992 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2993 V4SImode temporaries and operations instead.
2995 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2997 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3000 2006-06-06 Mike Stump <mrs@apple.com>
3002 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3003 installing during build.
3005 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3007 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3009 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3010 * config/ia64/ia64.c (params.h): New header.
3011 (ia64_optimization_options): New function to adjust parameters.
3012 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3013 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3014 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3016 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3018 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3020 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3023 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3025 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3026 Victor Kaplansky <victork@il.ibm.com>
3028 PR tree-optimization/26360
3029 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3032 2006-06-04 Roger Sayle <roger@eyesopen.com>
3033 Andrew Pinski <pinskia@physics.uc.edu>
3036 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3037 for LABEL_DECL before calling DECL_WEAK.
3040 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3041 LABEL_DECL and PARM_DECL.
3043 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3047 * c-decl.c (grokdeclarator): Disallow variably modified types at
3048 file scope. Avoid marking shared array type of constant size as
3051 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3054 * c-common.c (fold_offsetof_1): Handle static members.
3056 2006-06-04 Eric Christopher <echristo@apple.com>
3058 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3059 (debug_rli): Output value for remaining_in_alignment.
3060 (update_alignment_for_field): Unconditionalize
3061 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3062 extra alignment code.
3063 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3064 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3065 * tree.h (record_layout_info_s): Remove prev_packed.
3066 * doc/extend.texi (ms_struct): Add documentation of format.
3068 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3070 * tree.h: Declare folding_initializer.
3071 * builtins.c (fold_builtin_constant_p): Give definite answer
3072 if folding inside an initializer.
3073 * fold-const.c: Define folding_initializer.
3074 (START_FOLD_INIT): Save and then set folding_initializer.
3075 (END_FOLD_INIT): Restore folding_initializer.
3077 2006-06-04 Richard Guenther <rguenther@suse.de>
3079 PR tree-optimization/27039
3080 * fold-const.c (fold_comparison): Handle pointer comparison
3081 again for all comparison codes. Compare offsets in signed
3083 (fold_binary): Move code from here.
3085 2006-06-03 Roger Sayle <roger@eyesopen.com>
3088 * config/i386/i386.c (construct_container): Split static issued_error
3089 flag into issued_sse_arg_error, issued_sse_ret_error and
3090 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3091 requires the use of x87 registers and the user explicitly
3092 specified the -mno-80387 command line option.
3094 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3096 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3097 HAVE_DECL_SIGALTSTACK.
3099 (segv_handler): Use MC_FLD.
3100 * configure.ac: Check for a sigaltstack declaration.
3101 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3102 * configure: Regenerate.
3103 * config.in: Regenerate.
3105 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3108 * Makefile.in (stmp-fixinc): Fix typo.
3110 2006-06-02 Roger Sayle <roger@eyesopen.com>
3112 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3113 are type correct. Clean-up.
3114 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3115 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3117 2006-06-01 DJ Delorie <dj@redhat.com>
3119 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3120 shift, as we've disabled the "switch" insn that needs it.
3122 2006-06-01 Per Bothner <bothner@bothner.com>
3124 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3125 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3126 * c-ppoutput.c (cb_define): Don't increment line 0.
3128 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3130 * doc/invoke.texi: Add cpu_type power6.
3131 * config.gcc: Add cpu_type power6.
3132 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3133 to power5+ with Altivec.
3134 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3135 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3137 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3139 * config/avr/avr.h (SET_ASM_OP): Define.
3141 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3143 * config/bfin/bfin.c: Fix comment typos.
3145 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3148 * doc/install.texi: Document --enable-bootstrap and
3149 --disable-bootstrap.
3151 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3153 * doc/install.texi: Document that InfoZIP can replace jar.
3155 2006-05-31 Roger Sayle <roger@eyesopen.com>
3157 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3158 isn't available, directly generate the simpler x87 patterns without
3159 the (use (const_int 0)).
3160 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3161 implementation isn't available.
3162 (*negdf2_1): Likewise.
3163 (*negxf2_1): XF mode negation is always done using the x87.
3164 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3166 2006-05-31 Roger Sayle <roger@eyesopen.com>
3168 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3169 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3171 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3173 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3175 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3176 * config/bfin/bfin.c (basic-block.h): Include.
3177 (struct machine_function): New.
3178 (bfin_init_machine_status): New.
3179 (override_options): Initialize init_machine_status.
3180 (bfin_hardware_loop): New.
3181 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3182 (DEF_VEC_P (loop_info)): New.
3183 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3184 (struct loop_info): New.
3185 (loop_info): New typedef.
3186 (struct loop_work): New.
3187 (loop_work): New typedef.
3188 (DEF_VEC_O (loop_work)): New.
3189 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3190 (bfin_dump_loops): New.
3191 (bfin_bb_in_loop): New.
3192 (bfin_scan_loop): New.
3193 (bfin_optimize_loop): New.
3194 (bfin_reorg_loops): New.
3195 (bfin_reorg): Use bfin_reorg_loops.
3196 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3198 (I_REGNO_P): Simplify.
3199 (DP_REGNO_P, DPREG_P): New macros.
3200 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3201 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3202 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3203 Add LT_REGS, LC_REGS, LB_REGS.
3204 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3206 (REGNO_REG_CLASS): Deal with loop registers.
3207 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3209 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3210 New constants for loop registers.
3211 (UNSPEC_LSETUP_END): New.
3212 (seq_insns): New define_attr. Set it for appropriate insns.
3213 (movsi_insn): Add alternatives for move from/to
3214 loop count registers.
3215 (doloop_end): New define_expand.
3216 (loop_end): New define_insn.
3217 (define_split for bad doloop_end): New.
3218 (lsetup_with_autoinit): New define_insn.
3219 (lsetup_without_autoinit): New define_insn.
3220 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3221 * config/bfin/predicates.md (lc_register_operand): New.
3222 (lt_register_operand): New.
3223 (lb_register_operand): New.
3224 (nondp_register_operand): New.
3225 (nondp_reg_or_memory_operand): New.
3226 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3228 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3230 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3231 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3233 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3235 * Makefile.in (CATALOGS): Add po/ prefix.
3236 * configure: Regenerated.
3238 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3241 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3242 a shift operand before calling shift_op. Avoid redundant call of
3245 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3246 DJ Delorie <dj@redhat.com>
3248 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3249 we're inserting is a singlt-bit constant.
3251 2006-05-30 Roger Sayle <roger@eyesopen.com>
3253 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3254 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3256 2006-05-30 Roger Sayle <roger@eyesopen.com>
3258 PR tree-optimization/23452
3259 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3260 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3261 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3262 complex values and with -ffast-math for FP complex values.
3264 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3266 * c-common.h: Remove the prototype for yyparse.
3267 * rtl.h: Remove the prototype for init_loop.
3269 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3271 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3274 2006-05-30 Roger Sayle <roger@eyesopen.com>
3276 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3278 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3279 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3281 2006-05-30 Dirk Mueller <dmueller@suse.de>
3284 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3285 for CONSTANT_CLASS_P expresisons.
3287 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3290 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3292 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3294 PR tree-optimization/27779
3295 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3296 initial_condition instead of CHREC_LEFT.
3298 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3300 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3301 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3302 Make prototypes ISO C90.
3304 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3305 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3307 * see.c (see_analyze_one_def): Correct check.
3308 (see_get_extension_data): Check if extension is parallel.
3309 (see_get_extension_reg): Likewise.
3311 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3314 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3315 into register for (code == GTU).
3317 2006-05-29 Roger Sayle <roger@eyesopen.com>
3319 PR tree-optimization/24964
3320 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3321 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3322 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3323 abs(x)*abs(x) as x*x for scalar floating point modes.
3325 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3328 * lambda-code.c (perfect_nestify): Don't copy statements
3329 in the inner loop: move them to the inner loop header.
3331 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3334 * c-tree.texi: Document OpenMP directives and clauses.
3336 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3338 * varasm.c (globalize_decl): Fix indentation.
3340 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3343 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3344 pass_fre, pass_store_ccp, pass_copy_prop,
3345 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3346 pass_return_slot, pass_object_size, pass_lim,
3347 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3348 pass_loop_prefetch and pass_stdarg.
3350 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3352 * config/bfin/bfin.opt (mfdpic): New option.
3353 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3354 (EXTRA_MULTILIB_PARTS): Likewise.
3355 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3356 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3358 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3359 (CRT_CALL_STATIC_FUNCTION): New.
3360 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3362 (CRT_CALL_STATIC_FUNCTION): New.
3363 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3365 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3366 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3367 (initialize_trampoline): Changed to handle FD-PIC code generation.
3368 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3369 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3370 (override_options): Disallow -mid-shared-library -mfdpic combination.
3371 Can't do unaligned ops if FD-PIC.
3372 Turn off flag_pic if trying to generate non-id-shared-library
3373 non-fdpic code, since it's not supported.
3374 (bfin_assemble_integer): New function.
3375 (TARGET_ASM_INTEGER): Define.
3376 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3378 * config/bfin/crtn.s: Restore them.
3379 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3381 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3382 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3383 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3384 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3385 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3387 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3388 FDPIC_REGS and FDPIC_FPTR_REGS.
3389 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3390 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3391 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3392 (load_funcdescsi): New pattern.
3393 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3394 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3395 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3397 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3399 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3402 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3404 * tree-flow.h: Remove the prototype for add_type_alias.
3405 * tree-ssa-alias.c (add_type_alias): Remove.
3407 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3409 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3410 config/fr30/fr30.md, config/i386/i386-interix.h,
3411 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3412 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3413 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3414 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3415 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3416 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3417 Follow spelling conventions.
3418 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3419 Follow spelling conventions.
3421 2006-05-27 Richard Guenther <rguenther@suse.de>
3424 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3425 to produce a constant of value 1 of generic type.
3427 2006-05-27 Dirk Mueller <dmueller@suse.de>
3429 * cgraphunit.c (decide_is_function_needed): Fix wrong
3432 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3434 PR rtl-optimization/27661
3435 * reload.c (find_reloads): When reloading a VOIDmode constant
3436 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3437 use Pmode as mode of the reload register.
3439 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3441 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3442 is enabled at -O and above.
3444 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3447 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3450 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3453 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3454 for anonymous variables explicitly declared by front ends.
3456 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3458 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3459 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3460 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3461 ref-all pointers, run a finalization pass for them.
3462 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3463 (finalize_ref_all_pointers): New function.
3464 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3465 regular pointer type to a ref-all pointer type.
3466 (get_tmt_for): Return the special memory tag for ref-all pointers.
3468 2006-05-25 Richard Guenther <rguenther@suse.de>
3471 * fold-const.c (fold_binary): Do not look at the stripped
3472 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3474 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3476 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3477 for LT and GT if the computed range is effectively empty.
3479 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3482 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3483 mips_quad_format formats instead of ieee_single_format,
3484 ieee_double_format and ieee_quad_format formats, respectively.
3486 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3488 PR tree-optimization/27639
3489 PR tree-optimization/26719
3490 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3491 call to scev_probably_wraps_p.
3492 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3493 used_in_pointer_arithmetic_p, convert_step): Removed.
3494 (nowrap_type_p): New function.
3495 (scev_probably_wraps_p): Rewritten.
3496 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3497 chrec_convert if chrec_convert_aggressive might have been used.
3498 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3499 scev_direction): New functions.
3500 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3501 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3502 instead of convert_step.
3503 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3504 (convert_step): Declaration removed.
3505 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3507 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3509 * df-core.c: Added to header comments.
3510 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3511 df_ur_bb_info, df_urec_bb_info): Added comments.
3512 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3513 urec, ri problems): Fixed header comments.
3514 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3515 code from df_rd_transfer_function.
3517 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3519 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3520 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3521 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3523 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3525 * expr.c (undefined_operand_subword_p): New.
3526 (emit_move_multi_word): Do not generate move from undefined bits
3527 of a paradoxical subreg.
3529 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3531 PR rtl-optimization/27736
3532 * combine.c (replaced_rhs_value): New variable.
3533 (combine_instructions): Set it.
3534 (distribute_notes): When distributing a note in replaced_rhs_insn,
3535 check whether the value was used in replaced_rhs_value.
3537 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3540 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3541 add_referenced_var instead of add_referenced_tmp_var.
3542 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3543 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3545 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3546 tree_optimize_tail_calls_1): Use add_referenced_var.
3547 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3548 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3549 Use add_referenced_var.
3550 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3551 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3552 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3553 Use add_referenced_var.
3554 * tree-dfa.c (struct walk_state): Remove.
3555 (find_referenced_vars): Remove walk state and vars_found hash table.
3556 (make_rename_temp): Use add_referenced_var.
3557 (find_vars_r): Pass less parameters to add_referenced_var.
3558 (referenced_var_p): New. Is var in referenced_var hash table.
3559 (referenced_var_insert): Assert var isn't already in hash table.
3560 (add_referenced_var): Don't need walk_state parameter. Add var if it
3561 isn't already in the hash table.
3562 (add_referenced_tmp_var): Remove.
3563 (find_new_referenced_vars_1): Use add_referenced_var.
3564 * tree-ssa-pre.c (create_expression_by_pieces,
3565 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3566 Use add_referenced_var.
3567 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3568 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3569 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3571 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3572 vect_create_data_ref_ptr, vect_create_destination_var,
3573 vect_init_vector, vect_build_loop_niters,
3574 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3575 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3576 Use add_referenced_var.
3577 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3578 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3579 (add_referenced_var): Add prototype.
3580 * tree-ssa-structalias.c (get_constraint_for,
3581 intra_create_variable_infos): Use add_referenced_var.
3583 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3585 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3586 big-endian paradoxical subregs.
3587 * var-tracking.c (struct micro_operation_def): Document that,
3588 for modify micro operations, insn is the subsequent instruction.
3589 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3590 (var_reg_set, var_mem_set): ... new functions.
3591 (add_stores): Record subsequent insn.
3592 (compute_bb_dataflow): Use new functions for MO_USE.
3593 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3594 notes after the insn, and modify notes before the insn known
3595 to be the subsequent one.
3596 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3598 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3601 * config/i386/i386.c (ix86_expand_builtin): Use
3602 gen_sse3_monitor64 for TARGET_64BIT.
3604 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3606 PR rtl-optimization/26375
3607 PR rtl-optimization/26855
3608 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3610 (df_ru_bb_local_compute): Reversed statements and removed bogus
3611 comment explaining why they should be in wrong order.
3612 (df_ru_dump, df_rd_dump): Enhanced debug info.
3613 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3615 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3616 reaching uses and fixed space problem.
3618 2006-05-23 Jan Hubicka <jh@suse.cz>
3620 * cgraphunit.c (decide_is_function_needed): Also nested functions
3621 and functions declared inline can be optimized out at -O0.
3623 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3625 * doc/install.texi (Configuration): Remove reference to CrossGCC
3629 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3632 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3633 ix86_compare_emitted is non-NULL.
3635 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3638 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3641 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3643 PR rtl-optimization/25514
3644 * combine.c (replaced_rhs_insn): New variable.
3645 (combine_instructions): Set replaced_rhs_insn when trying to replace
3646 a SET_SRC with a REG_EQUAL note.
3647 (distribute_notes): Use replaced_rhs_insn when determining the live
3648 range of a REG_DEAD register.
3650 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3651 Anatoly Sokolov <aesok@post.ru>
3653 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3654 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3655 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3656 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3657 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3658 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3659 at90usb647, at90usb1286 and at90usb1287 devices.
3660 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3661 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3663 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3665 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3667 2006-05-22 Richard Guenther <rguenther@suse.de>
3670 2006-01-31 Richard Guenther <rguenther@suse.de>
3671 Paolo Bonzini <bonzini@gnu.org>
3673 * doc/install.texi (--disable-libgcc-math): Document.
3675 2006-05-22 Richard Guenther <rguenther@suse.de>
3678 2006-01-31 Richard Guenther <rguenther@suse.de>
3680 * doc/invoke.texi (-msselibm): Document.
3681 * target.h (expand_library_builtin): New target hook.
3682 * builtins.c (expand_builtin): Use expand_library_builtin.
3683 (default_expand_library_builtin): New function.
3684 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3685 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3686 (link_gcc_math_spec): Declare.
3687 (static_specs): Add link_gcc_math_spec.
3688 * expr.h (default_expand_library_builtin): Declare.
3689 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3690 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3691 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3692 * config/i386/i386.opt (msselibm): New target option.
3693 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3694 (ix86_init_sse_abi_builtins): New function.
3695 (ix86_expand_library_builtin): Likewise.
3696 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3697 (override_options): Handle error conditions wrt -msselibm.
3698 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3699 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3700 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3703 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3706 * c-common.c (self_promoting_args_p): Skip erroneous args.
3709 * c-decl.c (finish_struct): Skip erroneous fields.
3711 2006-05-22 Nick Clifton <nickc@redhat.com>
3713 * config/cris/cris.opt (march): Remove VarExists attribute.
3714 (max-stackframe=): Likewise.
3716 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3718 * doc/rtl.texi: Fix a typo.
3719 * see.c: Fix comment typos.
3721 * tree-ssa-structalias.h (alias_info): Remove num_references.
3723 2006-05-21 Mike Stump <mrs@apple.com>
3725 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3727 (darwin_pragma_options): Use BAD instead.
3728 (darwin_pragma_unused): Likewise.
3729 (darwin_pragma_ms_struct): Likewise.
3731 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3733 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3735 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3737 PR rtl-optimization/27671
3738 * simplify-rtx.c (simplify_relational_operation_1): Fix
3739 simplifications of (eq/ne (xor x y) y) and
3740 (eq/ne (xor x y) x).
3742 PR tree-optimization/26622.
3743 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3746 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3748 * tree-cfg.c: Prune whitespace.
3749 (debug_tree_cfg): Point to correct header containing the
3752 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3755 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3757 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3760 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3761 or sorry count is non zero.
3763 2006-05-20 Andreas Schwab <schwab@suse.de>
3765 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3767 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3768 Kenneth Zadeck <zadeck@naturalbridge.com>
3770 PR rtl-optimization/26855
3772 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3774 (df_scan_alloc): Added code to properly handle multiword hard
3775 registers and add all_blocks parameter.
3776 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3777 code to properly handle multiword hard registers.
3778 (df_rescan_blocks): Added code to remove deleted blocks from
3780 (df_ref_create_structure, df_ref_record): Added code to properly
3782 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3783 and set DF_REF_PARTIAL.
3784 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3785 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3786 (df_scan_add_problem): Added flags parameter.
3787 (df_ref_create_structure): Changed switching structure.
3788 (df_bb_refs_record): Fixed case where duplicate artificial refs
3789 were created. Changed location of flags.
3790 (df_record_entry_block_defs): Added code to make stack pointer
3791 live in entry block. Refined cases where frame pointer is needed.
3792 Changed location of flags.
3793 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3794 (df_set_state): Removed function.
3795 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3796 df_insn_create_insn_record, df_insn_refs_delete,
3797 df_ref_create_structure): Formatting changes.
3798 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3799 df_delete_basic_block): New function.
3800 (df_init): Changed location of flags.
3801 (df_add_problem): Added flags parameter and the way flags are
3803 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3804 debug_df_chain): Improved debugging output.
3805 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3806 (df_refs_chain_dump): Removed df parameter.
3807 (df_iterative_dataflow): Added consistency check.
3808 (df_prune_to_subcfg): Made public.
3809 (df_analyze_problem): Added blocks_to_init parameter and made
3811 (df_ref_record, df_bb_refs_record, df_mark_reg,
3812 df_record_exit_block_uses): Whitespace changes.
3813 (df_dump): Whitespace changes.
3814 * df.h: Some reordering to remove forward references.
3815 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3816 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3817 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3818 (dataflow.flags): New field.
3819 (df.flag): Deleted field.
3820 (df_alloc_function): Added additional bitmap parameter.
3821 (df_dependent_problem_function): New type.
3822 (df_problem.changeable_flags): New field.
3823 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3824 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3825 (df_mw_hardreg): New struct.
3826 (DF_INSN_UID_MWS): New macro.
3827 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3829 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3830 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3831 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3832 (df_set_state): Removed function.
3833 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3834 * df-problems.c (df_chain_dump): Removed df parameter.
3835 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3836 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3838 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3839 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3840 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3841 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3842 DF_REF_MUST_CLOBBER cases.
3843 (df_ru_bb_local_compute_process_def,
3844 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3845 df_lr_bb_local_compute, df_ur_bb_local_compute,
3846 df_chain_create_bb): Made subreg aware.
3847 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3848 df_lr_bb_local_compute, df_lr_bb_local_compute,
3849 df_chain_create_bb): Cleanup to use proper macros.
3850 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3851 code to fixup bitvectors.
3852 (df_ri_alloc): Cleared lifetime.
3853 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3854 df_create_unused_note): New function.
3855 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3856 REG_DEAD and REG_UNUSED notes as well as register information.
3857 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3858 df_chains_dump): Fixed crash if problem was never run.
3859 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3860 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3861 df_ri_add_problem): Processes flags in uniform manner.
3862 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3863 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3864 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3865 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3866 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3867 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3868 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3869 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3870 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3871 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3872 * see.c (see_initialize_data): Ditto.
3873 * final.c (rest_of_clean_state) Added regstack_completed.
3874 * rtl.h (regstack_completed): Ditto.
3875 * reg-stack.c (regstack_completed): Ditto.
3877 2006-05-19 Mike Stump <mrs@apple.com>
3879 * c-tree.h (default_conversion): Remove.
3880 * c-common.h (default_conversion): Add.
3882 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3884 * tree-vrp.c (valid_value_p): New function.
3885 (adjust_range_with_scev): Fail if the value of bound is not
3888 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3890 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3891 (mips_fallback_frame_state): Use syscall numbers to determine
3892 the appropriate li instruction for the current ABI. Only use
3893 __NR_sigreturn for o32.
3895 2006-05-19 Nicolas Setton <setton@adacore.com>
3897 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3898 * langhooks.c (lhd_dwarf_name): New function.
3899 * langhooks-def.h (lhd_dwarf_name): Declare.
3900 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3901 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3902 * ada/misc.c (gnat_dwarf_name): New function.
3903 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3905 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3907 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3909 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3910 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3911 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3912 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3913 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3914 determine the size of Wtype, etc.
3915 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3916 (swfloatfuncs): New variable.
3917 (dwfloatfuncs): Likewise.
3918 (lib2funcs): Remove floating-point conversion functions from
3919 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3920 the set of conversion routines needed. Allow entries to specify
3921 an object name, filename and word size. Update users accordingly.
3922 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3923 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3927 2006-02-08 Roger Sayle <roger@eyesopen.com>
3930 * config/fixtfdi.c: New libgcc source file.
3931 * config/fixunstfdi.c: New source file.
3932 * config/floatditf.c: New source file.
3933 * config/floatunditf.c: New souce file.
3934 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3935 files above instead of config/mips/_tilib.c.
3936 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3938 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3940 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3941 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3943 2006-05-18 Mike Stump <mrs@apple.com>
3945 Fix up vla, vm and [*] sematics.
3951 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3952 (c_vla_unspec_p): Add.
3953 (c_vla_type_p): Add.
3954 * c-decl.c (struct c_scope): Add had_vla_unspec.
3955 (build_array_declarator): Add support for [*].
3956 (grokdeclarator): Likewise.
3957 (grokparms): Likewise.
3958 (get_parm_info): Likewise.
3959 * c-objc-common.c (c_vla_unspec_p): Likewise.
3960 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3961 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3962 typeof when argument is a variably modified type not inside sizeof or alignof.
3963 (c_parser_direct_declarator_inner): Propagate errors.
3964 (c_parser_sizeof_expression): Add support for [*].
3965 (c_parser_parms_declarator): Initialize had_vla_unspec.
3966 (c_parser_parms_list_declarator): Likewise.
3967 * c-typeck.c (c_vla_type_p): Add.
3968 (composite_type): Add support for vla compositing.
3969 (comptypes_internal): Add support for vla compatibility.
3970 (c_expr_sizeof_expr): Evaluate vla arguments.
3971 * tree.c (variably_modified_type_p): Update comment for [*].
3973 2006-05-18 Michael Matz <matz@suse.de>
3976 * config.host: Make assignments to host_xmake_file cumulative.
3977 * config.host (*-darwin*): Test $host, not $target.
3979 2006-05-12 Stuart Hastings <stuart@apple.com>
3981 * config/i386/i386.opt (-mstackrealign): New flag.
3982 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3983 (ix86_handle_cconv_attribute): Emit error when
3984 force_align_arg_pointer attribute collides with too many regparms.
3985 (ix86_function_regparm): Limit regparms when used with
3986 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3987 Support stack-realigning prologue in non-main functions. Emit
3988 warning for nested functions under -mstackrealign, emit error for
3989 nested functions with force_align_arg_pointer attribute.
3990 * doc/extend.texi (force_align_arg_pointer): Document it.
3991 * doc/invoke.texi (-mstackrealign): Document it.
3993 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3995 PR rtl-optimization/27477
3996 * combine.c (try_combine): Don't split a parallel consisting
3997 of two sets into two individual sets if both sets reference
4000 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4002 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4003 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4005 * doc/options.texi (VarExists): Updated.
4007 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4009 * unwind-dw2.c: Add declarations for uw_update_context and
4011 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4012 detected, advance frame state and context once to skip over stub.
4014 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4018 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4019 Call rewrite_into_loop_closed_ssa only when something changed.
4020 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4021 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4022 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4023 Test for perfect_nest_p here. Fix formating.
4024 (replace_uses_equiv_to_x_with_y): Fix formating.
4025 (stmt_uses_op): Removed.
4026 (can_convert_to_perfect_nest): Removed loopivs parameter.
4027 Complete the test by checking the scalar dependences.
4028 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4031 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4034 From Dan Kegel <dank@kegel.com>:
4035 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4037 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4039 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4040 if the element type is variably modified without recursing.
4042 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4045 * tree-loop-linear.c (try_interchange_loops): Test for
4046 no data dependences.
4048 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4050 PR tree-optimization/27548
4051 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4052 range of ssa names that appear on abnormal edges.
4053 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4054 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4056 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4059 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4061 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4064 * tree.h (OMP_PARALLEL_COMBINED): Define.
4065 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4066 (new_omp_context): Add is_combined_parallel argument.
4067 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4068 new_omp_context caller.
4069 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4070 Adjust gimplify_scan_omp_clauses callers.
4071 (omp_is_private): Issue errors if iteration variable is firstprivate
4072 or reduction in the current context.
4073 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4074 on combined parallel workshare constructs.
4076 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4078 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4079 (gcc-options.o): New rule.
4081 * optc-gen.awk: Protect variables for gcc-options.o with
4082 #ifdef GCC_DRIVER/#endif.
4084 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4086 Fix PR tree-optimization/27373
4087 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4088 (forward_propagate_addr_expr): Update call.
4090 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4092 * doc/options.texi: Move the Negative option.
4094 2006-05-16 Richard Guenther <rguenther@suse.de>
4096 PR tree-optimization/22303
4097 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4099 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4100 ccp_fold did not simplify the statement.
4102 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4105 * Makefile.in (GCC_OBJS): New.
4106 (OBJS-common): Add opts-common.o.
4107 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4108 (cpp$(exeext)): Likewise.
4109 (gcc.o): Also depend on opts.h.
4110 (opts-common.o): New.
4112 * common.opt (gcoff): Add Negative(gdwarf-2).
4113 (gdwarf-2): Add Negative(gstabs).
4114 (gstabs): Add Negative(gstabs+).
4115 (gstabs+): Add Negative(gvms).
4116 (gvms): Add Negative(gxcoff).
4117 (gxcoff): Add Negative(gxcoff+).
4118 (gxcoff+): Add Negative(gcoff).
4119 * config/i386/i386.opt (m32): Add Negative(m64).
4120 (m64): Add Negative(m32).
4122 * doc/options.texi: Document the Negative option.
4124 * gcc.c: Include "opts.h".
4125 (main): Call prune_options after expandargv.
4127 * optc-gen.awk: Generate common declarations for all flag
4128 variables in options.c. Output the neg_index field.
4130 * opts.c (find_opt): Moved to ...
4131 * opts-common.c: Here. New file.
4133 * opts.h (cl_option): Add a neg_index field.
4135 (prune_options): Likewise.
4137 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4140 * omp-low.c (expand_omp_parallel): Don't assert
4141 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4142 instead search for it.
4145 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4148 2006-05-16 Andreas Schwab <schwab@suse.de>
4150 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4153 2006-05-15 Roger Sayle <roger@eyesopen.com>
4156 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4157 integer constants other than zero are only legitimate on TARGET_64BIT.
4158 <CONST_VECTOR> Only zero vectors are legitimate.
4159 (ix86_cannot_force_const_mem): Integral and vector constants can
4160 always be put in the constant pool.
4162 2006-05-16 DJ Delorie <dj@redhat.com>
4164 * crtstuff.c (__dso_handle): Set section from
4165 TARGET_LBIGCC_SDATA_SECTION if defined.
4166 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4167 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4169 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4172 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4175 2006-05-16 Ben Elliston <bje@au.ibm.com>
4177 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4179 2006-05-15 Per Bothner <per@bothner.com>
4181 * tree.c: (last_annotated_node): Use source_locus typedef.
4182 This permits bootstrapping with --enable-mapped-location.
4184 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4186 PR tree-optimization/26830
4187 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4188 (info_for_ssa_name, current_info_for_ssa_name_age,
4189 blocks_to_update): New variables.
4190 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4191 (clear_ssa_name_info, initialize_flags_in_bb,
4192 mark_block_for_update): New functions.
4193 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4194 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4195 prepare_def_site_for): Use mark_block_for_update.
4196 (mark_def_interesting): Assert that the processed block is marked in
4197 blocks_to_update. Do not take blocks argument.
4198 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4200 (rewrite_update_init_block, rewrite_update_stmt): Only process
4201 blocks with statements to rewrite.
4202 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4203 (update_ssa): Initialize and free blocks_to_update. Do not
4204 clear flags on statements. Do not use blocks bitmap.
4205 * tree.h (SSA_NAME_AUX): Removed.
4206 (struct tree_ssa_name): Removed aux field.
4207 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4209 2006-05-15 Richard Guenther <rguenther@suse.de>
4211 PR tree-optimization/27603
4212 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4213 Do computations in original type.
4215 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4217 * see.c: Code style changes such as redundant paranthesis,
4218 redundant intialization of local variables etc.
4219 (see_main): Declared now as static.
4220 * doc/invoke.texi: Update that -fsee is not enabled by
4223 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4225 * omp-low.c (check_omp_nesting_restrictions): New function.
4226 (scan_omp_1): Call it.
4229 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4230 construct, return *VAR.
4232 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4234 PR rtl-optimization/27406
4235 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4238 2006-05-14 Roger Sayle <roger@eyesopen.com>
4240 PR rtl-optimization/27538
4241 * combine.c (expand_compound_operation): Call gen_lowpart
4242 before calling simplify_shift_const.
4244 2006-05-14 Roger Sayle <roger@eyesopen.com>
4246 PR rtl-optimization/22563
4247 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4248 a fixed width bitfield, always force the intermediates into psuedos.
4250 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4253 * mkconfig.sh: Use operator = instead of == for test.
4255 2006-05-13 Nick Clifton <nickc@redhat.com>
4257 * dwarf2out.c (dbx_reg_number): Check return value from
4258 LEAF_REG_REMAP and only use it if it is valid.
4259 (multiple_reg_loc_descriptor): Likewise.
4261 2006-05-13 Richard Guenther <rguenther@suse.de>
4263 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4266 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4268 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4269 information attached to non-INSNs such as NOTEs.
4270 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4272 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4274 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4276 * config/s390/s390.md: Adjust comment describing On constraint.
4278 2006-05-11 Jan Hubicka <jh@suse.cz>
4280 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4281 to be output at -O0.
4283 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4286 * fold-const.c (size_binop): Move sanity check for arguments to
4287 the beginning of the function.
4290 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4293 2006-05-11 Richard Guenther <rguenther@suse.de>
4296 * fold-const.c (fold_unary): Handle intermediate conversion
4297 to a pointer type like intermediate conversion to an integer
4298 type in folding of (T1)(T2)var to var.
4299 Match the code to the comment in the final conversion for
4300 (T1)(T2)var to (T1)var regarding to type precision. Rather
4301 than disallow T1 being of pointer type, assert that both T1
4302 and var are of pointer type or not. Make sure not to fall
4303 over the frontends lazyness wrt array to pointer decay though.
4305 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4307 * arm.c (arm_struct_value_rtx): Delete.
4308 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4309 (arm_init_cumulative_args): Always initialize nregs to zero.
4311 2006-05-10 Richard Guenther <rguenther@suse.de>
4313 PR tree-optimization/27532
4314 * tree-object-size.c (plus_expr_object_size): Fix typo.
4316 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4319 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4320 ashrdi_const, ashrdi3): Use a scratch register.
4322 2006-05-10 Richard Guenther <rguenther@suse.de>
4324 PR tree-optimization/27302
4325 * fold-const.c (operand_equal_p): For two comparisons,
4326 try comparison of one comparison code swapped if that yields
4329 2006-05-10 Ben Elliston <bje@au.ibm.com>
4331 * tree-pretty-print.c (pretty_print_string): No need to handle
4332 '\0' as a special character.
4334 * tree.h: Include "hashtab.h".
4335 (iterative_hash_expr): Use hashval_t in its prototype.
4336 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4338 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4341 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4342 (hppa*64*-*-hpux11*): Ditto.
4343 (hppa[12]*-*-hpux11*): Ditto.
4345 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4348 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4350 2006-05-09 Michael Matz <matz@suse.de>
4352 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4353 host_extra_gcc_objs and host_xmake_file.
4354 (<*-*-linux*>): Don't overwrite host_xmake_file.
4355 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4356 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4357 (host_detect_local_cpu): Declare.
4358 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4359 * config/i386/i386.c (override_options): Handle -mtune=native
4361 * config/i386/x-i386: New file.
4362 * config/i386/driver-i386.c: New file.
4363 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4366 2006-05-09 Dirk Mueller <dmueller@suse.de>
4367 Richard Guenther <rguenther@suse.de>
4370 * fold-const.c (fold_read_from_constant_string): Relax check
4371 for matching types to matching modes.
4373 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4375 PR rtl-optimization/27335
4376 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4379 2006-05-08 Chao-ying Fu <fu@mips.com>
4380 Richard Sandiford <richard@codesourcery.com>
4382 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4383 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4384 * config/mips/mips.md (UNSPEC_SCC): New constant.
4385 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4386 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4387 (mips_emit_compare): Use it.
4388 (mips_expand_vcondv2sf): New function.
4390 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4392 Fix PR tree-optimization/27093
4393 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4394 renaming when they become not-used_alone.
4396 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4398 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4399 relocation and relocation stubs.
4401 2006-05-08 Eric Christopher <echristo@apple.com>
4403 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4406 2006-05-08 Jan Hubicka <jh@suse.cz>
4409 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4410 unused static functions are needed.
4412 2006-05-08 Roger Sayle <roger@eyesopen.com>
4415 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4416 of a reg_equiv_constant if the result is a legitimate constant.
4418 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4421 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4422 standard 80387 constants, raise the cost to prevent
4423 compress_float_constant() to generate load from memory.
4425 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4427 * config/arm/constraints.md (c): Fix a typo.
4429 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4432 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4435 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4437 (_mm_mwait): Likewise.
4439 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4441 (sse3_monitor): Make it 32bit only.
4442 (sse3_monitor64): New. 64bit monitor.
4444 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4447 * config/i386/i386.c (classify_argument): Skip fields with invalid
4450 2006-05-07 Richard Guenther <rguenther@suse.de>
4452 PR tree-optimization/27409
4453 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4454 Do not try to find zero-sized subvars.
4456 2006-05-07 Richard Guenther <rguenther@suse.de>
4458 PR tree-optimization/27136
4459 * tree-ssa-loop-niter.c (get_val_for): Correct function
4460 comment, assert requirements.
4461 (loop_niter_by_eval): Stop processing if the iterated
4462 value did not simplify.
4464 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4466 * opts.c (flag_see): remove its setting at -O3.
4468 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4470 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4471 * arm/constraints.md: New file.
4472 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4473 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4474 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4475 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4476 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4477 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4478 * arm.md: Include constraints.md.
4479 (thumb_movsi_insn): Use satisfies_constraint_J.
4480 (movhi, movqi): Use satisfies_constraint_I.
4482 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4484 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4485 for atmeg a645 device.
4487 2006-05-06 Richard Guenther <rguenther@suse.de>
4489 PR tree-optimization/27151
4490 * tree-vect-transform.c (vectorizable_condition): Punt on
4491 values that have a different type than the condition.
4493 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4496 * c-parser.c (c_parser_cast_expression): Only insert casts into
4497 hash table if pointer.
4498 * function.c (used_types_insert_helper): Rename from
4500 (used_types_insert): Call used_types_insert_helper.
4501 * function.h (used_types_insert): Accept only one argument.
4503 2006-05-05 David Edelsohn <edesohn@gnu.org>
4505 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4506 scratch with output modifier.
4508 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4511 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4512 with output modifier.
4514 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4517 * config/mips/mips.c (mips_symbolic_address_p): Return true
4518 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4519 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4521 2006-05-04 Richard Guenther <rguenther@suse.de>
4523 PR tree-optimization/14287
4524 PR tree-optimization/14844
4525 PR tree-optimization/19792
4526 PR tree-optimization/21608
4527 PR tree-optimization/27090
4528 * tree-ssa-pre.c (try_combine_conversion): New function.
4529 (compute_avail): After constructing the value-handle
4530 expression, use try_combine_conversion to combine NOP_EXPRs
4531 with previous value-handle expressions and use the result if it
4534 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4536 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4538 2006-05-04 Jan Hubicka <jh@suse.cz>
4541 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4543 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4545 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4546 that this only matches CONST_INTs. All users changed to VOIDmode
4549 * config/bfin/bfin.c: Include "optabs.h".
4550 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4552 (enum bfin_builtins): Add a number of fractional and vector builtins.
4553 (bfin_init_builtins): Likewise.
4554 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4555 (safe_vector_operand, bfin_expand_binop_builtin,
4556 bfin_expand_unop_builtin): New functions.
4557 (bfin_expand_builtin): Handle the new builtins.
4558 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4561 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4564 * Makefile.in (OBJS-common): Add see.o.
4565 (see.o): Add dependencies.
4566 * common.opt (fsee): New flag for the see optimization was added.
4567 * opts.c (flag_see): Initialized.
4568 * passes.c (init_optimization_passes, pass_see): New pass.
4569 * rtl.h (see_main): Declaration as extern.
4570 * timevar.def (TV_SEE): New.
4571 * tree-pass.h (pass_see): Declaration as extern.
4572 * invoke.texi (-fsee): Document.
4573 * recog.c (validate_simplify_insn): New function.
4574 * recog.h (validate_simplify_insn): Declaration as extern.
4575 * df-problems.c (df_chain_dump): Check for NULL.
4577 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4578 Daniel Berlin <dberlin@dberlin.org>
4580 * cfgrtl.c (insert_insn_bb_end_new): New function.
4581 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4583 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4585 * df.h (struct web_entry): Moved from web.c.
4586 (union_defs): Declaration as extern.
4587 (unionfind_root): Likewise.
4588 (unionfind_union): Likewise.
4589 * web.c (struct web_entry): Moved to df.h.
4590 (unionfind_root): Remove static declaration.
4591 (unionfind_union): Likewise.
4592 (union_defs): Likewise and generalize to use callback function.
4593 (web_main): Update arguments for union_defs function call.
4595 2006-05-04 Richard Guenther <rguenther@suse.de>
4597 PR tree-optimization/26447
4598 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4599 produce SSA_NAME copies before the store stmt to avoid
4600 breaking exception handling.
4602 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4605 * gimplify.c (omp_is_private): If var is shared in some outer context,
4606 return false instead of true. Stop searching on parallel context
4609 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4612 * coverage.c: Use get_gcov_unsigned_t() instead of
4613 unsigned_type_node all over.
4615 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4617 PR tree-optimization/27381
4618 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4619 maintain the same immediate_use links.
4620 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4621 node rather than segfaulting.
4623 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4626 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4627 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4628 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4630 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4632 Fix PR tree-optimization/26626
4633 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4635 * tree-ssa-operands.c (access_can_touch_variable): Allow
4636 typecasting through union pointers.
4638 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4641 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4642 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4643 to find if var will be a global variable even in the nested context.
4644 (omp_copy_decl): Only check for global variable at the end, it might
4645 be overridden in outer contexts.
4646 (scan_sharing_clauses): For global variables don't create a field.
4647 (lower_rec_input_clauses): Do nothing for global shared variables.
4648 Emit a barrier at the end of ILIST if there were any decls in both
4649 firstprivate and lastprivate clauses.
4650 (lower_send_clauses): Do nothing for global variables except for
4653 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4655 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4656 of the correct signedness is returned.
4658 2006-05-02 Jeff Law <law@redhat.com>
4660 PR tree-optimization/27364
4661 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4662 multiply expressions.
4664 2006-05-02 Tom Tromey <tromey@redhat.com>
4666 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4668 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4671 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4672 -mthumb -fPIC are used.
4674 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4675 Joshua Kinard <kumba@gentoo.org>
4678 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4679 with 64-bit pointers.
4681 2006-05-02 Paul Brook <paul@codesourcery.com>
4683 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4685 (create_fix_barrier): Check that a suitable barrier location is
4687 (arm_reorg): Include ftmp->address in allowable range of addresses.
4689 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4692 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4695 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4698 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4699 around RESULT_DECL for result passed by reference.
4700 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4701 * omp-low.c (use_pointer_for_field): Don't look at
4702 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4703 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4704 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4705 time or var for passing by reference for
4706 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4707 TREE_ADDRESSABLE variables when passing by reference.
4709 * omp-low.c (dump_omp_region): Fix output formatting.
4712 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4713 (expand_omp_parallel): Likewise.
4714 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4717 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4718 on statement list containing also constructors and destructors.
4719 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4722 * except.c (duplicate_eh_regions): Fix clearing of
4723 cfun->eh->region_array entries.
4725 2006-05-01 DJ Delorie <dj@redhat.com>
4727 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4729 (gcc_cv_objdump): Likewise.
4730 * configure: Regenerated.
4732 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4735 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4736 templates for case 3 and 4.
4738 2006-05-01 DJ Delorie <dj@redhat.com>
4740 * vec.c: Include bconfig.h when appropriate.
4741 * Makefile.in (build/vec.o): Adjust dependencies.
4742 * mkconfig.sh: Make sure config.h isn't used for build machine
4745 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4747 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4749 (mark_phi_for_rewrite): New function.
4750 (insert_phi_nodes_for, mark_use_interesting): Call
4751 mark_phi_for_rewrite.
4752 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4753 (update_ssa): Initialize and free phis_to_rewrite.
4755 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4757 PR rtl-optimization/27291
4758 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4759 folded to a constant.
4761 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4763 PR tree-optimization/27283
4764 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4765 not whole # of iteration descriptions.
4766 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4767 uses abnormal ssa name.
4768 (niter_for_single_dom_exit): Ditto.
4769 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4770 return just the number of iterations.
4772 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4774 PR tree-optimization/27144
4775 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4776 (record_estimate): Only record constant upper bound.
4777 (infer_loop_bounds_from_undefined): Call
4778 compute_estimated_nb_iterations just once.
4779 (proved_non_wrapping_p): Renamed to ...
4780 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4781 (convert_step_widening, scev_probably_wraps_p): Call
4782 n_of_executions_at_most instead of proved_non_wrapping_p.
4783 (substitute_in_loop_info): Do not replace values in bounds.
4784 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4787 2006-05-01 Richard Henderson <rth@redhat.com>
4790 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4791 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4794 2006-05-01 Roger Sayle <roger@eyesopen.com>
4796 * c-typeck.c (parser_build_binary_op): Don't call the function
4797 unsigned_conversion_warning to spot operand/result type overflow.
4798 (build_binary_op): Instead, call convert_and_check instead of
4799 convert to report the problem when the operands are promoted.
4800 * c-common.c (unsigned_conversion_warning): Make static.
4801 * c-common.h (unsigned_conversion_warning): Delete prototype.
4803 2006-05-01 Richard Guenther <rguenther@suse.de>
4805 PR tree-optimization/26726
4806 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4808 (find_interesting_uses_address): ... we work around here
4809 by folding INDIRECT_REFs in the substituted base.
4811 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4813 * omp-low.c (dump_omp_region): Add newlines.
4815 2006-04-30 Roger Sayle <roger@eyesopen.com>
4817 * common.opt (Woverflow): New command line option.
4818 * c-common.c (constant_expression_warning): Check warn_overflow.
4819 (overflow_waring): Pass OPT_Woverflow to warning.
4820 (unsigned_conversion_warning): Likewise.
4821 (convert_and_check): Likewise.
4822 * doc/invoke.texi: Document new command line option.
4824 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4826 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4827 TARGET_NO_FP_IN_TOC for section anchors.
4828 (optimization_options): Enable section anchors for all
4829 non-"Objective" languages.
4831 2006-04-28 Eric Christopher <echristo@apple.com>
4833 * config/darwin-c.c (darwin_ms_struct): Move this
4834 (darwin_set_default_type_attributes): and this...
4835 * config/darwin.c: ... here.
4836 * config/darwin.h (darwin_ms_struct): Declare.
4838 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4840 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4842 2006-04-28 Roger Sayle <roger@eyesopen.com>
4845 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4846 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4847 an unsigned HOST_WIDE_INT.
4848 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4850 (really_start_incremental_init): No need to call convert because
4851 bitsize_zero_node is already of type bitsizetype.
4852 (push_init_level): Extract the value of constructor_index as an
4853 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4854 (process_init_element): Likewise.
4856 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4858 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4859 value before passing to make_relative_prefix.
4861 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4864 * builtins.c (expand_builtin_memset): Expand val in original mode.
4866 2006-04-27 Eric Christopher <echristo@apple.com>
4868 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4869 with #ifndef/#endif.
4870 * config/darwin-c.c (darwin_ms_struct): New.
4871 (darwin_pragma_ms_struct): Ditto.
4872 (darwin_set_default_type_attributes): Ditto.
4873 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4874 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4875 Register ms_struct pragma.
4876 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4877 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4878 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4879 darwin_set_default_type_attributes if TARGET_MACHO.
4881 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4883 PR tree-optimization/26854
4884 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4885 * doc/tree-ssa.texi: Update immuse iterator documentation.
4886 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4887 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4888 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4889 first_safe_imm_use, next_safe_imm_use): Remove.
4890 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4891 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4892 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4893 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4894 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4895 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4896 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4897 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4898 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4899 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4900 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4901 (perfect_nestify): Use new iterator.
4902 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4904 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4905 (next_imm_name): New field in struct immediate_use_iterator_d.
4906 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4907 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4908 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4909 * tree-cfg.c (replace_uses_by): Use new iterator.
4910 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4911 * tree-ssa-operands.c (correct_use_link): Remove.
4912 (finalize_ssa_use_ops): No longer call correct_use_link.
4914 2006-04-27 Stuart Hastings <stuart@apple.com>
4916 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4917 * config/t-darwin (crt3.o): Use it.
4918 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4919 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4920 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4921 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4922 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4925 2006-04-27 Roger Sayle <roger@eyesopen.com>
4927 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4928 size, force the intermediate into a new pseudo rather instead of
4929 performing both a bitwise AND and a bitwise IOR in memory.
4931 2006-04-27 Richard Guenther <rguenther@suse.de>
4933 PR rtl-optimization/26685
4934 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4935 this one "max-flow-memory-locations".
4937 2006-04-27 Richard Guenther <rguenther@suse.de>
4939 PR tree-optimization/25148
4940 * tree-vrp.c (compare_values): Remove code dealing with
4941 comparisons against type min/max value. Honour overflow
4942 and negative constants in code dealing with comparisons
4943 of plus and minus expressions.
4944 (value_inside_range): Use fold_binary with LE_EXPR and
4945 GE_EXPR rather than compare_values.
4947 2006-04-27 Dirk Mueller <dmueller@suse.de>
4949 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4952 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4954 * basic-block.h (safe_insert_insn_on_edge): Removed.
4955 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4957 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4958 Paolo Bonzini <bonzini@gnu.org>
4961 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4962 (simplify_and_const_int): Same.
4964 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4966 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4968 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4971 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4972 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4973 cgraph_global_info_ready.
4976 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4979 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4980 either decl or init is error_mark_node.
4983 * tree-flow.h (struct omp_region): Add sched_kind.
4984 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4985 instead of extracting omp for data.
4986 (expand_omp_for): Save extracted sched_kind.
4988 2006-04-25 Roger Sayle <roger@eyesopen.com>
4990 * expmed.c (store_bit_field): Also check whether the bitsize is
4991 valid for the machine's "insv" instruction before moving the
4992 target into a pseudo for use with the insv.
4993 * config/i386/predicates.md (const8_operand): New predicate.
4994 * config/i386/i386.md (extv, extzv, insv): Use the new
4995 const8_operand predicate where appropriate.
4997 2006-04-25 DJ Delorie <dj@redhat.com>
4999 * doc/install.texi (Specific): Clarify that this is not a list of
5000 supported hosts or targets.
5002 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5004 PR rtl-optimization/26725
5005 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5006 block's BB_DIRTY flag.
5008 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5010 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5013 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5014 to print an integer.
5016 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5018 * varasm.c (align_variable): New function.
5019 (get_block_for_decl): Apply align_variable to DECL before
5020 calculating section information.
5021 (assemble_variable): Split out alignment computation.
5023 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5025 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5028 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5030 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5031 MODE_PARTIAL_INT mode.
5032 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5033 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5035 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5036 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5038 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5040 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5042 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5043 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5044 MACFLAG_IH): Likewise.
5045 (movstricthi_1): Renamed from "*movstricthi".
5046 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5047 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5048 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5049 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5050 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5051 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5052 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5053 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5054 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5055 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5056 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5057 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5058 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5059 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5060 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5062 * doc/rtl.texi (ss_ashift): Improve wording.
5064 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5066 * dwarf2out.c (verify_marks_clear): New.
5067 (prune_unused_types): Call verify_marks_clear initially, not
5070 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5072 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5073 * doc/rtl.texi: Document them.
5074 * simplify-rtx.c (simplify_unary_operation,
5075 simplify_binary_operation_1): Don't abort when we see them.
5077 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5080 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5081 * configure.ac: Completely disregard languages that are not
5083 * configure: Regenerated.
5085 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5086 Richard Guenther <rguenther@suse.de>
5088 PR tree-optimization/27236
5089 * tree-inline.c (copy_body_r): Make sure to copy
5090 TREE_THIS_VOLATILE flag.
5092 2006-04-24 Richard Guenther <rguenther@suse.de>
5095 * tree-complex.c (update_parameter_components): Don't handle
5096 unused parameters which have no default def.
5098 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5099 Richard Guenther <rguenther@suse.de>
5101 PR tree-optimization/27218
5102 * tree-inline.c (expand_call_inline): Strip useless type
5103 conversions for the return slot address.
5105 2006-04-24 Richard Guenther <rguenther@suse.de>
5107 * cfgloop.h (struct loops): Remove unused field array. Reorder
5109 (LOOP_PREFETCH): Remove.
5111 2006-04-24 Richard Guenther <rguenther@suse.de>
5113 PR tree-optimization/22525
5114 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5115 variable, adjust types of generated expressions.
5117 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5119 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5120 (tree-vect-patterns.o): Likewise.
5122 (cselib.o): Likewise.
5123 (loop-doloop.o): Likewise.
5124 (regclass.o): Likewise.
5125 (reload1.o): Likewise.
5126 (explow.o): Replace target.h with $(TARGET_H).
5127 (ipa-prop.o): Likewise.
5128 (ipa-cp.o): Likewise.
5129 (ipa-inline.o): Likewise.
5130 (reorg.o): Likewise.
5131 (reg-stack.o): Likewise.
5133 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5135 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5137 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5139 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5141 * configure.ac: Completely disregard languages that are not
5143 * configure: Regenerated.
5146 * c-common.h (c_build_bitfield_integer_type): Declare.
5147 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5148 * c-common.c (c_build_bitfield_integer_type): ... here.
5150 2006-04-23 Roger Sayle <roger@eyesopen.com>
5153 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5154 a SImode SUBREG of a floating point register after no_new_pseudos.
5156 2006-04-23 Roger Sayle <roger@eyesopen.com>
5158 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5159 identify potentially eliminable registers to additionally catch
5160 VIRTUAL_INCOMING_ARGS_REGNUM.
5161 (addsi3): Update the conditions on when to use addsi_small_int.
5163 2006-04-23 Roger Sayle <roger@eyesopen.com>
5166 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5167 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5168 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5170 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5172 * fold-const.c (range_predecessor): Use operand_equal_p
5173 as the predicate for equality.
5174 (range_successor): Likewise.
5176 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5179 * config/soft-fp/op-common.h: Fix a typo.
5181 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5184 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5185 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5187 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5189 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5191 * doc/tm.texi: Fix a typo.
5193 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5195 * dwarf2out.c (struct die_struct): Document that die_sib makes
5196 a circular linked list.
5197 (FOR_EACH_CHILD): New.
5198 (reverse_die_lists): Delete.
5199 (reverse_all_dies): Delete.
5200 (add_dwarf_attr): Correct documentation.
5201 (remove_child_with_prev): New.
5202 (remove_child_TAG): Update for change to die_struct, use
5203 remove_child_with_prev.
5204 (add_child_die): Update for change to die_struct.
5205 (splice_child_die): Use remove_child_with_prev and add_child_die.
5206 (print_die): Use FOR_EACH_CHILD.
5207 (die_checksum): Likewise.
5208 (assign_symbol_names): Likewise.
5209 (output_location_lists): Likewise.
5210 (build_abbrev_table): Likewise.
5211 (calc_die_sizes): Likewise.
5212 (mark_dies): Likewise.
5213 (unmark_dies): Likewise.
5214 (unmark_all_dies): Likewise.
5215 (output_die): Likewise.
5216 (prune_unused_types_mark): Likewise.
5217 (prune_unused_types_walk): Likewise.
5218 (same_die_p): Update for change to die_struct.
5219 (break_out_includes): Likewise.
5220 (prune_unused_types_prune): Likewise.
5221 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5222 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5224 (dwarf2out_finish): Don't call reverse_all_dies.
5226 2006-04-21 Eric Christopher <echristo@apple.com>
5228 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5229 in comments and function names.
5231 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5234 * c-typeck.c (digest_init): Robustify.
5236 * c-typeck.c (pop_init_level): Simplify.
5238 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5240 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5242 2006-04-21 Paul Brook <paul@codesourcery.com>
5244 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5245 hardware floating point.
5247 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5249 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5252 2006-04-21 Nick Clifton <nickc@redhat.com>
5254 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5257 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5260 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5261 C++ lang type in traceback table for Objective-C++.
5263 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5265 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5267 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5269 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5272 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5273 were errors. Remove check for erroneous objects.
5275 2006-04-20 Jeff Law <law@redhat.com>
5277 PR tree-optimization/26854
5278 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5279 checking for zero or one use.
5280 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5281 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5282 * tree-ssa-reassoc.c (negate_value): Similarly.
5283 (reassociate_bb): Similarly.
5285 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5287 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5288 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5289 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5291 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5293 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5294 fp regs if the last fp arg doesn't fit in regs.
5296 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5299 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5300 that the last insn has the REG_INC note.
5302 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5303 Nathan Sidwell <nathan@codesourcery.com>
5306 * stor-layout.c (update_alignment_for_field): Do not align
5308 (place_union_field): Place union field at the start of the union.
5309 (place_field): Move ERROR_MARK check later, and use the current
5310 allocation position to maintain monotonicity.
5312 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5314 * dominance.c: Include timevar.h.
5315 (calculate_dominance_info): Use TV_DOMINANCE.
5316 * timevar.def (TV_DOMINANCE): New timevar.
5317 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5319 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5321 PR rtl-optimization/14261
5322 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5323 move would be an INSV insn.
5324 (noce_process_if_block): Don't optimize if the destination is a
5325 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5327 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5329 * config/s390/s390.md: Add comments with the instructions emitted
5330 by an insn pattern if macros are used.
5332 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5334 PR rtl-optimization/26026
5335 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5336 is a known power of two shifted left a variable amount.
5338 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5340 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5341 to hash table twice when the debug_str section has SECTION_MERGE.
5343 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5345 * config/soft-fp: New directory. From glibc.
5346 * config/soft-fp/t-softfp: New.
5347 * config/soft-fp/README: New.
5348 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5349 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5350 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5351 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5352 * config.gcc: Use rs6000/t-fprules-fpbit or
5353 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5355 * config/rs6000/sfp-machine.h: New. Based on glibc.
5356 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5358 * config/rs6000/t-fprules: Remove fp-bit rules.
5359 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5360 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5361 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5362 (softfp_wrap_start, softfp_wrap_end): New.
5364 2006-04-18 DJ Delorie <dj@redhat.com>
5366 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5368 2006-04-18 Devang Patel <dpatel@apple.com>
5370 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5372 2006-04-18 Nick Clifton <nickc@redhat.com>
5374 * config/sh/t-symbian: Add rule to build sh-c.o
5375 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5376 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5377 (sh_symbian_encode_section_info): Likewise.
5379 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5381 * builtins.c (expand_builtin_strcmp): Cover label definition of
5382 do_libcall with HAVE_cmpstrnsi.
5384 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5386 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5388 * function.h (temp_slot_p): New.
5389 (function): Change the type of x_used_temp_slots to
5390 VEC(temp_slot_p,gc) *.
5392 2006-04-18 Nick Clifton <nickc@redhat.com>
5394 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5395 flag_strength_reduce.
5397 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5399 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5403 Partial revert of revision 112637
5404 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5405 Dale Johannesen <dalej@apple.com>
5408 * regclass.c (struct reg_pref): Update documentation.
5409 (regclass): Set prefclass to NO_REGS if memory is the best option.
5410 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5412 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5414 PR tree-optimization/26821
5415 * tree-ssa-math-opts.c (get_constant_one): New.
5416 (insert_reciprocals): Use it.
5418 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5420 * dwarf2out.c (free_AT): Delete.
5421 (remove_AT): Update string ref counts.
5422 (remove_child_TAG): Don't call free_die.
5424 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5425 or DW_TAG_GNU_EINCL.
5426 (prune_unused_types_walk_attribs): Reset string refcounts.
5427 (prune_unused_types_update_strings): New.
5428 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5429 call free_die. Do call prune_unused_types_update_strings.
5430 (prune_unused_types): Empty debug_str_hash.
5432 2006-04-17 Roger Sayle <roger@eyesopen.com>
5434 * expr.c (expand_assignment): Optimize away no-op moves where the
5435 source and destination are equal and have no side-effects.
5437 2006-04-17 Richard Guenther <rguenther@suse.de>
5440 * reload.c (push_reload): Guard calls to get_secondary_mem
5443 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5445 * alias.c (reg_base_value, old_reg_base_value): Change the
5446 type to VEC(rtx,gc) *.
5447 (REG_BASE_VALUE, find_base_value, record_set,
5448 init_alias_analysis): Use VEC instead of VARRAY.
5450 * alias.c (alias_sets): Change the type to
5451 VEC(alias_set_entry,gc) *.
5452 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5453 VEC instead of VARRAY.
5454 (last_alias_set): Remove.
5456 * cgraph.h (cgraph_edge_p): New.
5457 Update the prototype of cgraph_function_versioning.
5458 * cgraphunit.c (cgraph_copy_node_for_versioning,
5459 cgraph_function_versioning): Use VEC instead of VARRAY.
5460 * ipa-cp.c (ipcp_insert_stage): Likewise.
5462 2006-04-16 Roger Sayle <roger@eyesopen.com>
5465 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5466 "A op B" or "A op C", we may need to convert A to the type of B and C.
5468 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5470 * target.h (struct gcc_target): Add mode_rep_extended.
5471 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5472 (init_num_sign_bit_copies_in_rep): Initialize it using
5474 (truncate_to_mode): Use it.
5475 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5476 * targhooks.h (default_mode_rep_extended): Declare it.
5477 * targhooks.c (default_mode_rep_extended): Define it.
5478 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5479 default_mode_rep_extended.
5480 (TARGET_INITIALIZER): Include it.
5481 * doc/tm.texi (Misc): Document it.
5482 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5483 (mips_truncated_to_mode): New function.
5485 2006-04-16 Roger Sayle <roger@eyesopen.com>
5488 * expr.c (compress_float_constant): Copy the narrow constant into
5489 a new pseudo before extending it to its final width.
5491 2006-04-16 Roger Sayle <roger@eyesopen.com>
5492 Andrew Pinski <pinskia@gcc.gnu.org>
5493 Dale Johannesen <dalej@apple.com>
5496 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5497 special case code to implement V8HImode and V16QImode with SSE2.
5499 2006-04-15 Roger Sayle <roger@eyesopen.com>
5501 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5502 trees are constructed with a suitable tree type.
5504 2006-04-15 Roger Sayle <roger@eyesopen.com>
5506 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5507 (integer_onep): Likewise.
5508 (integer_all_onesp): Likewise.
5509 (integer_pow2p): Likewise.
5510 (integer_nonzerop): Likewise.
5511 (real_zerop): Likewise.
5512 (real_onep): Likewise.
5513 (real_twop): Likewise.
5514 (real_minus_onep): Likewise.
5515 (int_size_in_bytes): Likewise.
5516 (host_integerp): Likewise.
5518 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5520 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5521 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5522 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5524 * tree-ssa-structalias.h (alias_info): Remove num_references.
5526 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5528 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5529 (output_bvb patterns): Likewise.
5530 * pa.c (output_bb): Use 'bb' insn for long branch case.
5531 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5532 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5533 1. Correct length operand for alternatives 1 and 2.
5534 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5535 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5537 2006-04-14 Roger Sayle <roger@eyesopen.com>
5539 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5540 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5541 were accidentally reverted by r112959.
5543 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5546 * except.h (eh_region_outermost): New prototype.
5547 * except.c (eh_region_outermost): New function.
5548 * tree-cfg.c (find_outermost_region_in_block): Use it.
5550 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5552 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5554 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5555 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5556 (init_reload, reload): Use VEC instead of VARRAY.
5557 * reload.h: Update the prototype for
5558 reg_equiv_memory_loc_varray.
5560 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5561 Eric Botcazou <ebotcazou@libertysurf.fr>
5563 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5566 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5569 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5570 to expand fallback builtin function call.
5572 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5575 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5576 and emit libcall here in case the builtin fails.
5577 (expand_builtin_strcmp): Always emit the libcall here on failure.
5579 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5581 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5582 * flow.c (reg_n_info): Change the type to
5583 VEC(reg_info_p,heap) *.
5584 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5586 * regs.h (reg_info_p): New.
5587 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5588 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5589 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5592 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5594 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5596 * params.h (MAX_SCHED_READY_INSNS): New macro.
5597 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5598 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5599 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5600 the ready list for 1 cycle during the first scheduling pass.
5601 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5603 2006-04-13 Richard Henderson <rth@redhat.com>
5606 * gimple-low.c (lower_omp_directive): Remove dead code.
5607 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5608 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5609 * omp-low.c (struct omp_region): Move to tree-flow.h.
5610 (root_omp_region): Export.
5611 (omp_regions, lookup_omp_region): Remove.
5612 (determine_parallel_type): Update for struct omp_region changes.
5613 (dump_omp_region): Dump regions with block numbers.
5614 (new_omp_region): Take type and block instead of stmt; malloc
5616 (free_omp_region_1, free_omp_regions): New.
5617 (expand_parallel_call): Take entry_stmt as argument; update for
5618 changes to omp_region.
5619 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5620 (remove_exit_barriers): New.
5621 (expand_omp_parallel): Update for struct omp_region changes.
5622 (expand_omp_synch): Likewise.
5623 (expand_omp): Likewise.
5624 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5625 (expand_omp_for_static_chunk): Likewise.
5626 (expand_omp_for): Likewise.
5627 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5628 (expand_omp_sections): Similarly, with GOMP_sections_end.
5629 (expand_omp_single): New.
5630 (build_omp_regions_1): Update for OMP_CONTINUE.
5631 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5632 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5633 OMP_SECTIONS_SECTIONS.
5634 (lower_omp_single_simple): Don't emit barrier here.
5635 (lower_omp_single_copy): Likewise.
5636 (lower_omp_single): Fix bindings, and lower to straightline now.
5637 (lower_omp_master, lower_omp_ordered): Likewise.
5638 (lower_omp_critical): Likewise.
5639 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5640 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5641 omp edges, free it afterward.
5642 (make_omp_sections_edges): Remove.
5643 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5644 (move_stmt_r): Handle OMP_CONTINUE.
5645 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5646 statement pointers to basic blocks. Add type member.
5647 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5648 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5649 * tree-inline.c (estimate_num_insns_1): Likewise.
5650 * tree-pretty-print.c (dump_generic_node): Likewise.
5651 * tree-ssa-operands.c (get_expr_operands): Likewise.
5652 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5653 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5654 (OMP_CONTINUE): New.
5655 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5656 (OMP_SECTIONS_SECTIONS): Remove.
5657 (OMP_SECTION_LAST): New.
5658 (OMP_RETURN_NOWAIT): New.
5660 2006-04-13 Roger Sayle <roger@eyesopen.com>
5662 * fold-const.c (native_encode_vector, native_interpret_real):
5663 Correct obvious mistakes in the previous check-in.
5665 2006-04-13 Roger Sayle <roger@eyesopen.com>
5667 * fold-const.c (native_encode_expr): New function to encode
5668 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5669 or VECTOR_CST into a specified buffer.
5670 (native_encode_int): New function.
5671 (native_encode_real): New function.
5672 (native_encode_complex): New function.
5673 (native_encode_vector): New function.
5674 (native_interpret_expr): Inverse of native_encode_expr to convert
5675 a target representation into an INTEGER_CST, REAL_CST etc...
5676 (native_interpret_int): New function.
5677 (native_interpret_real): New function.
5678 (native_interpret_complex): New function.
5679 (native_interpret_vector): New function.
5680 (fold_view_convert_expr): New function to constant fold/evaluate
5681 a VIEW_CONVERT_EXPR of a suitable constant expression.
5682 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5683 Change call of build1 to fold_build1 when constructing a
5686 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5687 Ulrich Weigand <uweigand@de.ibm.com>
5690 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5693 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5696 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5697 optimize to lo_sum for DFmode if !TARGET_FPRS.
5699 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5701 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5702 delete_alias_info, compute_flow_sensitive_aliasing,
5703 group_aliases): Use VEC instead of VARRAY.
5704 * tree-ssa-structalias.c (update_alias_info): Likewise.
5705 * tree-ssa-structalias.h (alias_info): Change the type of
5706 processed_ptrs to VEC(tree,heap) *.
5708 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5711 * config/sh/lib1funcs.h: New file, broken out of:
5712 * config/sh/lib1funcs.asm.
5713 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5715 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5716 * config/sh/lib1funcs-Os-4-200.asm: New file.
5717 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5718 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5719 (EXTRA_MULTILIB_PARTS): Include it.
5720 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5721 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5722 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5723 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5726 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5728 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5729 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5730 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5732 * tree-ssa-live.h: Include vecprim.h.
5733 (tree_partition_associator_d): Change the type of
5734 first_partition to VEC(int,heap) *.
5735 (tpa_first_partition): Use VEC instead of VARRAY.
5737 * Makefile.in (GTFILES): Move functions.h after tree.h.
5738 * function.c (reset_block_changes, record_block_change,
5739 check_block_change, free_block_changes): Use VEC instead of
5741 * function.h (function): Change the type of
5742 ib_boundaries_block to VEC(tree,gc) *.
5743 * tree-inline.c (copy_cfg_body): Initialize
5744 ib_boundaries_block to NULL instead of (varray_type) 0.
5746 2006-04-12 Roger Sayle <roger@eyesopen.com>
5748 * expr.c (emit_group_store): Correct operand order in call to
5749 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5750 a SUBREG_BYTE of zero.
5752 2006-04-12 Richard Guenther <rguenther@suse.de>
5754 * profile.c (compute_branch_probabilities): Remove code
5755 encapsulated in !ir_type (), which are remanents of the
5756 removed RTL profiling code.
5757 * rtl-profile.c: Remove.
5759 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5761 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5762 magic NULL_RTX comment.
5763 (function_arg): Store entire fp arg to mem if any part should go
5765 (rs6000_arg_partial_bytes): Adjust for above change.
5767 2006-04-11 Roger Sayle <roger@eyesopen.com>
5769 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5770 if it hasn't been initialized by dwarf2out_init.
5772 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5774 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5775 symbolic constants in branch patterns.
5777 2006-04-11 Roger Sayle <roger@eyesopen.com>
5779 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5781 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5783 PR rtl-optimization/27073
5784 * gcse.c (try_replace_reg): Revert last change. Continue to search
5785 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5788 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5790 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5791 aggregate types other than record and union types.
5792 (function_arg): Likewise.
5793 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5795 (function_value): In 64-bit mode, return objects that require it
5798 2006-04-11 Roger Sayle <roger@eyesopen.com>
5800 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5802 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5804 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5806 2006-04-03 Jeff Law <law@redhat.com>
5809 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5810 alias information too.
5812 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5814 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5816 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5819 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5820 (premark_used_types_helper): New.
5821 (premark_used_types): New.
5822 (gen_subprogram_die): Call premark_used_types.
5823 (prune_unused_types_walk): Do not prune perennial dies.
5824 * function.c (used_types_insert): New.
5825 * function.h (struct function): Add used_types_hash field.
5826 (used_types_insert): Add prototype.
5827 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5828 * c-parser.c (c_parser_cast_expression): Save casted types in used
5831 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5834 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5835 rs6000_explicit_options.float_gprs.
5837 2006-04-10 Roger Sayle <roger@eyesopen.com>
5839 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5840 from ix86_expand_vector_init_low_nonzero. Take an additional
5841 one_var argument indicating which element is non-zero. Support
5842 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5843 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5844 with one_var instead of ix86_expand_vector_init_low_nonzero.
5846 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5848 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5849 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5850 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5851 build/genextract.o): Depend on vecprim.h.
5852 * cfglayout.c, df-problems.c, function.c, genextract.c,
5853 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5854 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5858 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5860 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5861 Declare VECs of this type.
5862 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5863 (remove_children): Delete.
5864 (add_dwarf_attr): Use VEC routines.
5865 (add_AT_flag): Update for changes to add_dwarf_attr.
5866 (add_AT_int): Likewise.
5867 (add_AT_unsigned): Likewise.
5868 (add_AT_long_long): Likewise.
5869 (add_AT_vec): Likewise.
5870 (add_AT_string): Likewise.
5871 (add_AT_die_ref): Likewise.
5872 (add_AT_fde_ref): Likewise.
5873 (add_AT_loc): Likewise.
5874 (add_AT_loc_list): Likewise.
5875 (add_AT_addr): Likewise.
5876 (add_AT_lbl_id): Likewise.
5877 (add_AT_lineptr): Likewise.
5878 (add_AT_macptr): Likewise.
5879 (add_AT_offset): Likewise.
5880 (add_AT_range_list): Likewise.
5881 (get_AT): Use VEC_iterate.
5882 (remove_AT): Use VEC_ordered_remove.
5883 (free_die): Fold remove_children into here; have it use VEC_iterate.
5884 (print_die): Use VEC_iterate on attrs.
5885 (reverse_die_lists): Don't reverse attr lists.
5886 (die_checksum): Use VEC_iterate on attrs.
5887 (same_die_p): Likewise.
5888 (output_location_lists): Likewise.
5889 (build_abbrev_table): Likewise.
5890 (size_of_die): Likewise.
5891 (unmark_all_dies): Likewise.
5892 (output_abbrev_section): Likewise.
5893 (output_die): Likewise.
5894 (prune_unused_types_walk_attribs): Likewise.
5896 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5898 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5900 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5903 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5905 2006-04-09 Roger Sayle <roger@eyesopen.com>
5907 * expr.c (store_constructor): Don't bother clearing target if
5908 we're about to assign a vector to it using vec_init_optab.
5910 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5912 * tree-ssa-alias.c (lhs_may_store_to): New function.
5913 (recalculate_used_alone): Handle LHS of calls.
5915 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5919 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5920 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5921 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5922 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5923 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5924 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5925 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5926 stubs. Add ".align 8" directives before all ".dword" directives.
5927 (GTHREAD_USE_WEAK): Revise comment.
5928 (TARGET_ATTRIBUTE_WEAK): Define.
5929 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5930 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5931 * stublib.c: New file.
5936 * pa.md (cbranch patterns): Revise arguments used in calls to
5937 output_cbranch, output_bb and output_bvd. Add long branch length
5939 (fbranch patterns): Handle long branches.
5940 (jump): Revise length check. Revise arguments for output_lbranch call.
5941 Add long branch length attributes.
5942 (decrement_and_branch_until_zero): Add long branch length attributes.
5943 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5944 Likewise. Revise arguments for output_parallel_addb and
5945 output_parallel_movb calls.
5946 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5947 output_parallel_movb and output_parallel_addb): Update prototypes.
5948 * pa.c (output_cbranch): Revise arguments. Correct handling of
5949 nullification in long branches.
5950 (output_lbranch): Add new argument to control extraction of delay
5952 (output_bb): Handle long branches.
5953 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5954 output_parallel_addb): Likewise.
5956 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5958 PR rtl-optimization/27073
5959 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5962 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5964 * tree.h (tree_memory_tag): Add old_used_alone.
5965 (SMT_OLD_USED_ALONE): New macro.
5966 * tree-ssa-alias.c (recalculate_used_alone): Stop
5967 marking things for renaming unnecessarily.
5969 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5971 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5972 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5973 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5974 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5975 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5976 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5977 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5978 spelling convensions.
5979 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5980 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5981 typos. Follow spelling conventions.
5983 2006-04-07 DJ Delorie <dj@redhat.com>
5985 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5986 passed on the stack.
5987 (m32c_init_cumulative_args): When a function returns a structure,
5988 always pass the pointer to that return area on the stack.
5989 (m32c_function_arg_advance): Don't increment the parameter number
5990 if we're processing the returned structure pointer.
5991 (pushm_info): Reverse order of registers.
5993 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5995 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5996 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5997 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5998 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6000 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6001 chrec_fold_multiply): Same.
6002 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6003 force_expr_to_var_cost): Same.
6004 * tree-mudflap.c (mf_xform_derefs_1): Same.
6005 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6007 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6009 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6010 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6013 2006-04-07 Jan Hubicka <jh@suse.cz>
6015 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6017 2006-04-07 Richard Guenther <rguenther@suse.de>
6019 PR tree-optimization/26135
6020 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6021 loads for store copy-prop.
6022 (copy_prop_visit_stmt): Likewise.
6024 2006-04-05 Robert Millan <robertmh@gnu.org>
6026 * config/i386/linux.h: Add a comment to mark macros that are
6027 being overriden in config/k*bsd-gnu.h.
6028 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6030 * config/knetbsd-gnu.h: Ditto.
6032 2006-04-06 Jan Hubicka <jh@suse.cz>
6036 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6039 2006-04-06 Mike Stump <mrs@apple.com>
6041 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6042 for HAVE_nonlocal_goto to be consistent.
6043 (expand_builtin_nonlocal_goto): Likewise.
6044 (expand_builtin_strcmp): Use #ifdef instead of #if
6045 for HAVE_cmpstrnsi to be consistent.
6047 2006-04-05 DJ Delorie <dj@redhat.com>
6049 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6052 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6054 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6055 got-relative addressing for anything but SImode.
6057 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6058 even if the calling function doesn't modify them.
6060 2006-04-05 Richard Guenther <rguenther@suse.de>
6062 PR tree-optimization/26919
6063 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6064 to cgraph_estimate_size_after_inlining.
6066 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6068 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6070 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6072 PR tree-optimization/26996
6073 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6074 VECTOR_TYPE variables.
6076 2006-04-05 Richard Guenther <rguenther@suse.de>
6078 PR tree-optimization/26763
6079 * fold-const.c (fold_comparison): Move folding of
6080 PTR + CST CMP PTR + CST ...
6081 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6083 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6085 * doc/install.texi (Prerequisites): Refine some wording on
6086 bootstrapping and ksh.
6087 Move the version numbers of DejaGnu here from the testing section
6088 and fix casing of names.
6089 Fix markup and clarify wording for autogen requirements.
6090 Refer to GCJ instead of just java.
6091 Refer to SVN instead of CVS.
6092 Describe diffutils as useful instead of necessary.
6093 (Downloading the source): Refer to SVN instead of CVS.
6094 Adjust a link to our web site accordingly.
6095 (Configuration): Fix casing of Bison.
6096 (Building): Refer to SVN instead of CVS.
6097 Fix a sentence on the use of Bison and remove duplicate (and
6098 incorrect) version number of Bison requirement.
6099 Remove one redundant list of packages needed for building.
6100 (Specific): Avoid reference to CVS.
6102 2006-04-04 Eric Christopher <echristo@apple.com>
6104 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6105 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6106 (rs6000_handle_struct_attribute): New.
6107 (rs6000_ms_bitfield_layout_p): Ditto.
6109 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6111 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6112 NULL for dso parameter to atexit_common.
6114 2006-04-04 Eric Christopher <echristo@apple.com>
6116 * config/i386/i386.c (machopic_output_stub): Output \t
6117 between instructions and operands.
6119 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6121 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6122 satisfies_constraint_[IL] to explicit tests on value.
6124 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6126 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6127 set_nb_iterations_in_loop): Use build_int_cst instead of
6129 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6130 build_int_cst instead of convert.
6132 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6134 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6135 new value 2 for incoming.
6136 * function.c (expand_function_start): Call struct_value_rtx
6138 * config/sparc/sparc.md: Comment updated_return.
6139 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6140 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6141 struct return if sparc_std_struct_return and incoming is 2.
6142 (print_operand): Do not adjust return if
6143 sparc_std_struct_return.
6145 2006-04-04 Roger Sayle <roger@eyesopen.com>
6147 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6148 convert in the middle-end.
6149 * expr.c (store_expr, store_constructor, get_inner_reference,
6150 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6152 * tree.c (build_range_type): Likewise.
6154 2006-04-04 Tom Tromey <tromey@redhat.com>
6156 * doc/install.texi (Prerequisites): Mention jar.
6158 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6160 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6163 2006-04-04 Matthias Klose <doko@debian.org>
6165 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6166 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6169 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6171 * doc/extend.texi (Function Attributes): Rewrite visibility
6172 attribute documentation.
6173 * doc/invoke.texi (C++ Dialect Options): Rewrite
6174 -fvisibility-inlines-hidden documentation to describe something
6175 entirely different, although in practise compatible.
6176 (Code Gen Options): Warn about system headers in -fvisibility=
6179 * doc/extend.texi (Other Builtins): Document that
6180 __builtin_nan is a compile-time constant only when its argument
6183 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6185 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6186 trying to remove TRUNCATE check if all bits outside the new mode
6187 are identical to the sign bit.
6189 2006-04-03 Jeff Law <law@redhat.com>
6191 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6192 and operand scanning in some common cases.
6194 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6195 Dale Johannesen <dalej@apple.com>
6198 * regclass.c (struct reg_pref): Update documentation.
6199 (regclass): Set prefclass to NO_REGS if memory is the best option.
6200 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6201 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6202 into account. For non-registers, equate an empty preferred
6203 reload class to a `!' in the constraint; move the if clause to
6204 do so after those that reject the insn.
6205 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6207 (find_dummy_reload): Likewise.
6208 * doc/tm.texi (Register Classes): Document what it means
6209 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6210 * config/i386/i386.c (ix86_preferred_reload_class): Force
6211 using SSE registers (and return NO_REGS for floating-point
6212 constants) if math is done with SSE.
6213 (ix86_preferred_output_reload_class): New.
6214 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6215 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6216 * config/i386/i386.md: Remove # register preferences.
6218 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6221 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6222 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6223 the type of nb_iter.
6224 (instantiate_parameters_1): Convert the operands before calling
6225 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6226 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6228 2006-04-02 Roger Sayle <roger@eyesopen.com>
6230 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6231 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6233 * dojump.c (do_jump): Likewise.
6234 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6235 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6236 gimplify_boolean_expr): Likewise.
6237 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6238 * varasm.c (array_size_for_constructor): Likewise.
6239 * tree-object-size.c (compute_object_offset): Likewise.
6241 2006-04-02 Roger Sayle <roger@eyesopen.com>
6244 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6245 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6247 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6249 PR tree-optimization/26939
6250 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6252 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6254 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6255 at_stmt. Convert the type of operands before calling
6256 build_polynomial_chrec.
6257 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6259 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6260 (instantiate_parameters_1): Convert the type of operands before calling
6261 build_polynomial_chrec.
6262 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6263 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6264 reset_evolution_in_loop): Insert asserts to check the types of the
6266 (chrec_type): Moved...
6267 (eq_evolutions_p): Use operand_equal_p.
6268 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6269 the types of the operands.
6270 (chrec_type): ...here.
6271 * tree-data-ref.c (create_data_ref): Convert the operands before
6272 calling chrec_replace_initial_condition.
6273 (same_access_functions, analyze_subscript_affine_affine,
6274 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6275 (compute_subscript_distance, analyze_ziv_subscript,
6276 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6277 analyze_miv_subscript): Convert the operands before calling
6278 chrec_fold_minus or chrec_fold_plus.
6280 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6282 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6283 the dependence_relations vector.
6284 (compute_data_dependences_for_loop): Adjust call to
6285 compute_all_dependences.
6287 2006-04-01 Roger Sayle <roger@eyesopen.com>
6288 Richard Henderson <rth@redhat.com>
6290 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6291 gimple_boolify on the condition before calling gimplify_expr.
6293 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6295 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6296 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6297 the frame size. Update to use the new macros.
6298 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6299 * config/xtensa/ieee754-df.S: Likewise.
6301 2006-03-31 Richard Henderson <rth@redhat.com>
6303 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6304 (make_edges): ... here. Control fallthru creation with a local
6305 variable. Do not play with fake edges.
6306 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6307 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6310 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6312 * dwarf2.h (DW64_CIE_ID): Define.
6313 * dwarf2out.c (DWARF_CIE_ID): Define.
6314 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6315 length header. Use DWARF_CIE_ID.
6316 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6317 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6319 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6321 * config/sh/linux-atomic.asm: New file.
6322 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6324 2006-03-31 DJ Delorie <dj@redhat.com>
6326 * config/m32c/cond.md: Set condition flags properly throughout.
6327 * config/m32c/minmax.md: Likewise.
6328 * config/m32c/prologue.md: Likewise.
6329 * config/m32c/bitops.md: Likewise.
6330 * config/m32c/muldiv.md: Likewise.
6331 * config/m32c/mov.md: Likewise.
6332 * config/m32c/addsub.md: Likewise.
6333 * config/m32c/m32c.md: Likewise.
6334 * config/m32c/jump.md: Likewise.
6335 * config/m32c/shift.md: Likewise.
6337 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6338 conditionally output the pattern for this.
6339 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6340 (m32c_compare_redundant): New.
6341 (m32c_output_compare): New.
6342 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6344 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6345 dest, not src. Allow other 4-byte modes.
6347 2006-03-30 Denis Chertykov <denisc@overta.ru>
6349 * doc/md.texi: Refer to avr/constraints.md instead of
6352 2006-03-30 Roger Sayle <roger@eyesopen.com>
6354 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6355 signed vs. unsigned comparison failures on some hosts.
6357 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6360 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6361 change to FLOAT_REGS.
6363 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6364 (rs6000_override_options): Use it.
6365 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6366 only for -mabi=spe/no-spe and -mabi=altivec.
6368 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6370 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6373 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6375 * Makefile.in: Rename docdir to gcc_docdir.
6377 2006-03-30 Roger Sayle <roger@eyesopen.com>
6380 * expr.c (emit_group_store): Optimize group stores into a pseudo
6381 register by using a paradoxical subreg to initialize the destination
6382 if the first or last member of the group specifies a "low part".
6384 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6387 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6388 * target.h (struct gcc_target.speculate_insn): Change type of the
6389 second parameter to 'int'.
6390 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6391 the second operand of the DEPS_LIST.
6392 (copy_DEPS_LIST_list): Update reference to the second operand of the
6394 * rtl.h (alloc_DEPS_LIST): Update signature.
6395 * sched-int.h (ds_t): Change typedef to 'int'.
6396 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6398 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6400 * haifa-sched.c (try_ready): Change condition to restore
6401 non-speculative pattern of the instruction.
6402 (process_insn_depend_be_in_spec): Code to keep probability of the
6403 speculative dependence non-decreasing.
6405 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6407 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6408 (single_move_for_movmem): ... this. Also change all uses.
6409 (bfin_expand_strmov): Renamed to...
6410 (bfin_expand_movmem): ... this. Also change all uses.
6411 * config/bfin/bfin.md (movstrsi): Renamed to...
6412 (movstrsi): ...this.
6414 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6416 PR tree-optimization/26830
6418 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6419 (copy_prop_visit_stmt): Remove write-only variable ann.
6420 (init_copy_prop): Check variable loop depth here. Do not simulate
6421 memory-tag and virtual operand PHIs except for store copy prop.
6423 2006-03-30 Richard Guenther <rguenther@suse.de>
6425 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6426 variants with double arguments.
6428 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6430 * genpreds.c (write_tm_constrs_h): Delete variable p.
6431 * genconditions.c (write_header): Add tm-constrs.h to included
6433 * genpeep.c (main): Add toplev.h to included headers.
6434 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6435 (build/genpeep.o): Add toplev.h dependency.
6436 * config/rs6000/constraints.md: Add "W" constraint.
6438 2006-03-29 Roger Sayle <roger@eyesopen.com>
6440 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6441 sizes by correctly testing whether the size fits a host integer.
6442 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6443 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6444 SImode range for the default sizetype and bitsizetype.
6446 2006-03-29 Roger Sayle <roger@eyesopen.com>
6448 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6449 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6450 quickly if the argument is already of the correct type.
6451 Call fold_build1 instead of build1. Tidy up blank lines.
6453 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6455 * genemit.c (main): Add tm-constrs.h to included headers.
6456 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6457 * genpeep.c (main): Add tm-constrs.h to included headers.
6458 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6459 (write_tm_constrs_h): this and write complete file.
6460 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6461 (write_insn_preds_c): Add tm-constrs.h to included headers.
6462 (gen_constrs): New variable.
6463 (parse_option): Parse "-c".
6464 (main): Invoke write_tm_constrs_h.
6465 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6466 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6467 (object_out_file): Add tm-constrs.h dependency.
6468 (insn-emit.o): Same.
6469 (insn-output.o): Same.
6470 (insn-peep.o): Same.
6471 (insn-preds.o): Same.
6472 (insn-recog.o): Same.
6473 (tm-constsr.h): New target.
6474 (s-constrs-h): New target.
6476 * config/rs6000/constraints.md: New file.
6477 * config/rs6000/rs6000.c: Include tm-constrs.h.
6478 (num_insn_constant_wide): Convert to satisfies_constraint.
6479 (rs6000_rtx_costs): Convert to satisfies_constraint.
6480 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6481 (CONST_OK_FOR_LETTER_P): Delete.
6482 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6483 (EXTRA_CONSTRAINT): Delete.
6484 (EXTRA_MEMORY_CONSTRAINT): Delete.
6485 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6486 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6487 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6488 satisfies_constraint.
6490 * config/i386/i386.c: Include tm-constrs.h.
6492 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6494 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6495 * tree-data-ref.c (find_data_references_in_loop,
6496 compute_data_dependences_for_loop): Use pointers to VEC.
6497 (analyze_all_data_dependences): Adjust calls.
6498 * tree-data-ref.h (find_data_references_in_loop,
6499 compute_data_dependences_for_loop): Adjust declarations.
6500 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6501 compute_data_dependences_for_loop.
6503 2006-03-29 Paul Brook <paul@codesourcery.com>
6505 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6508 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6510 PR tree-optimization/26859
6511 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6513 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6514 for the step after fold_convert.
6516 2006-03-29 Paul Brook <paul@codesourcery.com>
6518 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6519 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6521 2006-03-29 Paul Brook <paul@codesourcery.com>
6524 * targhooks.c (default_narrow_bitfield): New fuction.
6525 * targhooks.h (default_narrow_bitfield): add prototype.
6526 * target.h (gcc_target): Add narrow_volatile_bitfield.
6527 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6528 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6529 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6530 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6532 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6534 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6536 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6537 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6538 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6539 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6540 (s390_function_arg_float): Allow SDmode and DDmode values to be
6541 passed in floating point registers.
6542 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6543 check with SCALAR_FLOAT_MODE_P.
6544 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6546 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6548 PR tree-optimization/25985
6549 * tree-ssa-loop-niter.c (number_of_iterations_le,
6550 number_of_iterations_ne): Make comments more precise.
6551 (number_of_iterations_cond): Add only_exit argument. Use the
6552 fact that signed variables do not overflow only when only_exit
6554 (loop_only_exit_p): New.
6555 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6556 number_of_iterations_cond.
6558 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6560 PR tree-optimization/26643
6561 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6564 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6566 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6567 (divsi3_i4_int): Likewise.
6569 2006-03-28 Roger Sayle <roger@eyesopen.com>
6571 * expr.c (emit_group_store): Only create a new pseudo reg if the
6572 quantity it needs to hold isn't already a suitable pseudo.
6574 2006-03-28 Jeff Law <law@redhat.com>
6576 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6577 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6579 2006-03-28 Roger Sayle <roger@eyesopen.com>
6581 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6582 the equivalent ~X & Y, and the symmetry related transformations.
6583 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6584 ~X & Y, and symmetry related transforms.
6586 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6588 Revert my 2006-03-27 patches.
6590 2006-03-28 Roger Sayle <roger@eyesopen.com>
6592 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6593 ~(T1)X, when T1 and T2 are integer types of the same precision
6594 and (T2)X isn't an extension.
6596 2006-03-28 Jeff Law <law@redhat.com>
6598 PR tree-optimization/26796
6599 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6600 need EH edge cleanups rather than purging them immediately.
6601 (eliminate_degenerate_phis): Handle queued EH cleanups.
6603 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6605 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6608 2006-03-27 Roger Sayle <roger@eyesopen.com>
6611 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6612 cast BIT_NOT_EXPR operand to the correct type.
6614 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6616 * tree-loop-linear.c: Don't include varray.h.
6617 (gather_interchange_stats, try_interchange_loops,
6618 linear_transform_loops): Use VEC instead of VARRAY.
6619 * lambda-mat.c: Don't include varray.h.
6620 * tree-chrec.c: Same.
6621 * lambda-trans.c: Same.
6622 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6623 VEC instead of VARRAY.
6624 * tree-vectorizer.h: Idem.
6625 * tree-data-ref.c (dump_data_references,
6626 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6627 initialize_data_dependence_relation, finalize_ddr_dependent,
6628 compute_all_dependences, find_data_references_in_loop,
6629 compute_data_dependences_for_loop, analyze_all_data_dependences,
6630 free_dependence_relation, free_dependence_relations,
6631 free_data_refs): Idem.
6632 * tree-data-ref.h (data_reference_p, subscript_p): New.
6633 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6634 VEC instead of VARRAY.
6635 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6636 (find_data_references_in_loop, compute_data_dependences_for_loop,
6637 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6638 dump_data_dependence_relations, free_dependence_relations,
6639 free_data_refs): Adjust declaration.
6640 (lambda_transform_legal_p): Move declaration here...
6641 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6642 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6643 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6644 vect_analyze_data_refs): Use VEC instead of VARRAY.
6645 * lambda.h (lambda_transform_legal_p): ...from here.
6646 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6647 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6648 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6649 tree-chrec.o): Don't depend on VARRAY_H.
6651 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6653 * rtl.def (Copyright): Update date.
6654 (DEPS_LIST): Change type of the second operand to 'int'.
6655 * target.h (Copyright): Update date.
6656 (struct gcc_target.speculate_insn): Change type of the second parameter
6658 * lists.c (Copyright): Update date.
6659 (alloc_DEPS_LIST): Change signature. Update reference to the second
6660 operand of the DEPS_LIST.
6661 (copy_DEPS_LIST_list): Update reference to the second operand of the
6663 * rtl.h (Copyright): Update date.
6664 (alloc_DEPS_LIST): Update signature.
6665 * sched-int.h (Copyright): Update date.
6666 (ds_t): Change typedef to 'int'.
6667 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6669 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6671 * haifa-sched.c (Copyright): Update date.
6672 (try_ready): Change condition to restore non-speculative pattern
6674 (process_insn_depend_be_in_spec): Code to keep probability of the
6675 speculative dependence non-decreasing.
6677 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6679 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6680 shut up the compiler.
6682 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6684 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6685 to use lib prefix for target.
6686 ($(T)libic_invalidate_array_4-200.a): Likewise.
6687 ($(T)libic_invalidate_array_4a.a): Likewise.
6689 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6690 J"orn Rennecke <joern.rennecke@st.com>
6692 * superh.opt: New file.
6693 * sh.c (boardtype, osruntime): Remove.
6694 * superh.h (SUBTARGET_OPTIONS): Remove.
6695 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6697 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6698 arguments with ^ and/or [].
6700 * config.gcc (sh-*-*): Add quoting to account for quirk of
6702 Replace == with = in enable_incomplete_targets test.
6704 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6705 with MASK_LITTLE_ENDIAN.
6707 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6708 * config/sh/sh.opt: Added to some comments.
6709 * config/sh/superh.h: Removed some chaff.
6711 * config/sh/sh.opt: Add m4-[1234]00* options.
6712 * config/sh/sh.c (sh_handle_option): Likewise.
6713 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6714 (ic_invalidate_array_4-100.o): New rule.
6715 ($(T)libic_invalidate_array_4-100.a): Likewise.
6716 (ic_invalidate_array_4-200.o): Likewise.
6717 ($(T)libic_invalidate_array_4-200.a): Likewise.
6718 (ic_invalidate_array_4a.o): Likewise.
6719 ($(T)libic_invalidate_array_4a.a): Likewise.
6720 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6721 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6723 * config/sh/crt1.asm: Merged in profiling code.
6724 * config/sh/superh.h (STARTFILE_SPEC): Override.
6725 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6726 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6727 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6729 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6730 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6731 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6733 * sh.opt (mpretend-cmove): New option.
6734 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6735 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6736 (movsicc): Add TARGET_PRETEND_CMOVE code.
6738 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6740 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6741 s390_class_max_nregs): New function prototypes.
6742 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6743 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6744 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6745 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6747 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6749 * dwarf2out.c (add_location_or_const_value_attribute): Call
6750 tree_add_const_value_attribute if nothing else works.
6751 (reference_to_unused): New.
6752 (rtl_for_decl_init): Use reference_to_unused to decide whether
6753 to output an initializer.
6755 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6758 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6759 peephole removing spe frob_di_df_2.
6761 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6763 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6764 (subscript_dependence_tester_1): Declared.
6765 (print_dir_vectors, print_dist_vectors): New.
6766 (debug_data_dependence_relation): New.
6767 (dump_data_dependence_relation): Print more details.
6768 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6769 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6770 (save_dist_v, save_dir_v, add_outer_distances,
6771 build_classic_dist_vector_1): New.
6772 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6773 Don't test for lambda_vector_lexico_pos.
6774 (same_access_functions, add_multivariate_self_dist,
6775 add_other_self_distances, dir_from_dist): New.
6776 (build_classic_dir_vector): Replace implementation almost identical to
6777 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6779 (subscript_dependence_tester_1): New.
6780 (subscript_dependence_tester): Handle the lexicographically negative
6781 distance vectors by recomputing the dependence relation.
6782 (compute_affine_dependence): Remove parameter loop_nest_depth.
6783 (compute_self_dependence): Don't call compute_subscript_distance.
6784 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6785 Add a parameter for the loop_nest.
6786 (find_loop_nest_1, find_loop_nest): New.
6787 (compute_data_dependences_for_loop): Compute the loop nest, and give
6788 up if the nest is not well formed.
6789 * tree-data-ref.h (loop_p): New.
6790 (struct data_dependence_relation): Replace size_vect field with
6791 loop_nest, a vec of loops.
6792 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6793 (DDR_LOOP_NEST): New.
6794 (print_dir_vectors, print_dist_vectors,
6795 debug_data_dependence_relation): Declared.
6796 (index_in_loop_nest): New.
6797 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6798 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6801 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6803 * simplify-rtx.c (simplify_relational_operation): Call
6804 simplify_relational_operation_1 even if mode is VOIDmode.
6806 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6808 PR tree-optimization/26804
6809 * tree.h (DECL_CALL_CLOBBERED): New macro.
6810 (tree_decl_common): Add call_clobbered_flag.
6811 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6812 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6813 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6814 (mark_non_addressable): Ditto.
6815 * tree-ssa.c (verify_call_clobbered): New function.
6816 (verify_alias_info): Use it.
6817 * tree-pass.h (pass_reset_cc_flags): New prototype.
6818 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6819 (reset_cc_flags): New function.
6820 * passes.c (init_optimization_passes): Call reset_cc_flags after
6821 initializing referenced_vars.
6823 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6824 Roger Sayle <roger@eyesopen.com>
6827 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6828 to 1.0 for non-real operands. Implement A / A optimization for
6831 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6833 * config/i386/i386.c (size_cost): Correct the comment for
6834 cost of storing fp registers.
6835 (i386_cost): Likewise.
6836 (i486_cost): Likewise.
6837 (pentium_cost): Likewise.
6838 (pentiumpro_cost): Likewise.
6839 (k6_cost): Likewise.
6840 (athlon_cost): Likewise.
6841 (k8_cost): Likewise.
6842 (pentium4_cost): Likewise.
6843 (nocona_cost): Likewise.
6844 (generic64_cost): Likewise.
6845 (generic32_cost): Likewise.
6847 2006-03-24 Denis Chertykov <denisc@overta.ru>
6849 * config/avr/avr-protos.h (extra_constraint): Delete.
6850 (extra_constraint_Q): New declaration.
6851 * config/avr/constraints.md: New file.
6852 * config/avr/avr.md: Include it.
6853 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6854 (TMP_REGNO, ZERO_REGNO): Likewise.
6855 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6856 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6857 (extra_constraint): Delete.
6858 (extra_constraint_Q): Test for memory constraint 'Q'.
6859 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6860 (REG_CLASS_FROM_LETTER): Delete.
6861 (CONST_OK_FOR_LETTER_P): Delete.
6862 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6863 (EXTRA_CONSTRAINT): Delete.
6864 (TMP_REGNO): Delete.
6865 (ZERO_REGNO): Delete.
6867 2006-03-24 Jeff Law <law@redhat.com>
6869 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6870 directly. Call mark_new_vars_to_rename slightly earlier.
6872 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6874 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6876 (gen_compile_unit_die): Use new language types for Objective-C and
6878 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6879 DW_LANG_C_plus_plus.
6882 * config/t-darwin (crt3.o): Work around bug 26840.
6883 * config/darwin-crt3.c: Rewrite.
6884 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6886 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6888 * doc/invoke.texi: Document -femit-class-debug-always
6889 * common.opt: Add -femit-class-debug-always.
6891 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6893 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6894 index and base register.
6895 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6896 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6897 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6898 REGNO_OK_FOR_INDEX_P.
6899 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6901 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6902 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6903 REG_OK_FOR_BASE_P): Definitions removed.
6905 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6908 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6909 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6910 set yet or weren't marked as local yet.
6912 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6914 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6917 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6919 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6920 (rs6000_legitimate_small_data_p): Delete.
6921 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6922 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6923 and make static. Add forward declaration. Update uses.
6924 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6925 of offsettable_memref_p.
6926 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6927 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6929 2006-03-24 Jeff Law <law@redhat.com>
6931 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6932 around bug in immediate-use iterator.
6934 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6937 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6938 or __LITTLE_ENDIAN__.
6940 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6942 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6943 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6944 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6945 * config/sh/sh.opt (mdiv=): Amend description.
6946 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6947 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6948 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6949 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6950 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6951 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6952 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6953 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6954 TARGET_DIVIDE_CALL_FP.
6956 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6958 * haifa-sched.c (choose_ready): Fix type of the local variable.
6959 Move local variables. Add comment.
6960 (check_reg_live): Change signature. Make callable from debugger.
6961 * sched-int.h (check_reg_live): Update signature.
6962 * sched-ebb.c (check_reg_live): Update parameters.
6963 * sched-rgn.c (check_reg_live): Ditto.
6964 (region_head_or_leaf_p): Check pointer before dereferencing.
6965 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6966 before reload on optimization levels below 1.
6968 2006-03-23 Richard Henderson <rth@redhat.com>
6970 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6974 * config/alpha/predicates.md (local_symbolic_operand): Reject
6977 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6980 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6981 expressions which have overflowed constants.
6983 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6985 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6987 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6989 * cfgloopmanip.c (create_loop_notes): Removed.
6990 * final.c (final_scan_insn): Do not handle loop notes.
6991 * jump.c (squeeze_notes): Ditto.
6992 * cfglayout.c (skip_insns_after_block,
6993 duplicate_insn_chain): Ditto.
6994 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6996 * cfgloop.h (create_loop_notes): Declaration removed.
6998 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7000 * varasm.c (output_constant_pool): Restore fnname and fndecl
7002 (assemble_start_function): Adjust call accordingly.
7003 (assemble_end_function): Likewise.
7005 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7008 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7011 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7013 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7016 * system.h (ICE_EXIT_CODE): New macro.
7017 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7018 (diagnostic_action_after_output): Likewise.
7019 * gcc.c (fatal_ice): New function.
7020 (execute): Use it instead of fatal.
7021 (fancy_abort): Likewise.
7022 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7024 2006-03-22 Jeff Law <law@redhat.com>
7026 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7027 iv_analyze_result returning false.
7029 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7031 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7033 2006-03-22 Richard Henderson <rth@redhat.com>
7036 * except.c (duplicate_eh_regions_0): New.
7037 (duplicate_eh_region_1): Duplicate the children of the node as
7038 well as the node itself. Link them up properly.
7039 (duplicate_eh_region_2): Merge into ...
7040 (duplicate_eh_regions): ... here. Take copy_region argument, and
7041 copy only a sub-tree if asked. Simplify copying and fixup.
7042 (eh_region_outer_p): New.
7043 * except.h (duplicate_eh_regions): Update decl.
7044 (eh_region_outer_p): Declare.
7045 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7046 (lower_omp_master): Likewise.
7047 (lower_omp_ordered): Likewise.
7048 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7049 (move_stmt_r): Use it to remap labels. Handle recursion vs
7050 remap_decls_p properly.
7051 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7052 (find_outermost_region_in_block): New.
7053 (new_label_mapper): New.
7054 (move_sese_region_to_fn): Copy eh information to the new function
7056 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7058 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7061 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7063 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7064 into shared libraries.
7066 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7068 * doc/md.texi: Refer to i386/constraints.md instead of
7070 * config/i386/constraints.md: New file, extracted from...
7071 * config/i386/predicates.md: ...here.
7072 * config/i386/i386.md: Include constraints.md.
7074 2006-03-21 Jason Merrill <jason@redhat.com>
7076 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7079 * expr.c (init_block_move_fn): Force default visibility.
7080 (init_block_clear_fn): Likewise.
7081 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7082 * targhooks.c (default_external_stack_protect_fail): Likewise.
7084 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7086 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7087 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7088 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7089 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7090 (loadgp): Use mips_current_loadgp_style.
7091 (loadgp_noshared): New pattern.
7092 (sibcall_internal): Use MIPS_CALL.
7093 (sibcall_value_internal): Likewise.
7094 (sibcall_value_multiple_internal): Likewise.
7095 (call_internal): Likewise.
7096 (call_value_internal): Likewise.
7097 (call_value_multiple_internal): Likewise.
7098 (call_split): Use MIPS_CALL and add an 'S' constraint.
7099 (call_value_split): Likewise.
7100 (call_value_multiple_split): Likewise.
7101 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7102 (-mshared): New option.
7103 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7104 (mips_current_loadgp_style): Declare.
7105 * config/mips/mips.c (mips_classify_symbol): Avoid using
7106 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7107 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7108 TARGET_ABSOLUTE_ABICALLS.
7109 (override_options): Adjust comments. Improve the warning that is
7110 issued when -mabicalls and -G are used together.
7111 (mips_file_start): Remove comment.
7112 (mips_current_loadgp_style): New function.
7113 (mips_gnu_local_gp): New variable.
7114 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7116 (mips_output_function_prologue): Use mips_current_laodgp_style.
7117 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7118 the cprestore instruction.
7119 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7120 live for TARGET_ABSOLUTE_ABICALLS.
7121 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7122 (ASM_SPEC): Pass down -mshared and -mno-shared.
7123 (MIPS_CALL): New macro.
7124 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7126 * doc/invoke.texi (-mabicalls): Update documentation.
7127 (-mshared): Document.
7129 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7131 * config/ia64/unwind-hpux.c: New file.
7132 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7134 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7137 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7139 2006-03-21 Jeff Law <law@redhat.com>
7141 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7142 type conversions of a VR_VARYING source to a wider type.
7144 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7146 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7147 tm_file on Solaris 10 and later.
7148 (sparc64-*-solaris2*): Likewise.
7149 (sparc-*-solaris2*): Likewise.
7150 * config/sol26.h: Rename to config/sol2-6.h.
7151 * config/sol2-10.h: New file.
7153 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7156 * tree-ssa-pre.c (create_component_ref_by_pieces):
7159 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7162 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7163 return it immediately.
7165 2006-03-21 Michael Matz <matz@suse.de>
7167 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7169 (remove_arc, add_arc): Update num_out_arcs member.
7170 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7172 (cache_presence): New function.
7173 (compare_states_for_equiv): New function.
7174 (state_is_differed): Don't take number of outargs, adjust callers.
7175 Use new invariant for speeding up.
7176 (init_equiv_class): Create initial classes based on sorted
7178 (partition_equiv_class): Don't track out_arcs_num.
7179 (evaluate_equiv_classes): Call cache_presence on all states and
7182 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7184 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7185 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7186 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7187 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7189 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7190 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7191 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7192 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7193 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7195 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7196 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7197 (REGNO_REG_CLASS): ARGP is in PREGS.
7198 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7200 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7201 to deal with those addresses.
7202 * addresses.h: New file.
7203 * caller-save.c: Include "addresses.h".
7204 (init_caller_save): Use new base_reg_class function.
7205 * rtl-factoring.c: Include "addresses.h".
7206 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7207 * recog.c: Include "addresses.h".
7208 (preprocess_constraints): Use new base_reg_class function.
7209 * regrename.c: Include "addresses.h".
7210 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7211 functions. Keep track of a new var INDEX_CODE to compute valid
7213 (replace_oldest_value_addr): Likewise.
7214 (replace_oldest_value_mem): Use base_reg_class.
7215 * reload.c: Include "addresses.h".
7216 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7217 (find_reloads): Use new base_reg_class function.
7218 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7219 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7220 all callers and prototype changed.
7221 * reload1.c: Include "addresses.h".
7222 (maybe_fix_stack_asms): Use base_reg_class.
7223 * regclass.c: Include "addresses.h".
7224 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7225 (init_reg_autoinc): Use new base_reg_class function.
7226 (record_reg_classes): Likewise.
7227 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7228 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7229 Use new args to compute necessary class.
7231 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7232 regrename.o, rtl-factoring.o): Update dependencies.
7233 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7234 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7235 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7236 REG_OK_FOR_INDEX_P): Delete documentation.
7238 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7240 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7241 from V7 to V9 for Solaris 7 and above.
7243 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7245 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7246 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7247 argument pointers may not alias any other storage.
7248 * common.opt: Define option -fargument-noalias-anything.
7249 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7250 alias semantics is specified by flag_argument_noalias > 2.
7252 2006-03-20 Jeff Law <law@redhat.com>
7254 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7255 (pass_phi_only_cprop): Declare.
7256 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7258 * tree-ssa-dom.c (degenerate_phi_result): New function.
7259 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7260 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7261 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7262 (eliminate_degenerate_phis): Likewise.
7263 (pass_phi_only_cprop): New pass descriptor.
7264 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7265 support code. Callers updated.
7266 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7267 (store_copy_prop): Likewise.
7268 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7270 2006-03-20 Jason Merrill <jason@redhat.com>
7273 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7274 (push_visibility, pop_visibility): Likewise.
7275 * c-pragma.h: Declare them.
7277 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7279 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7281 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7282 parameter and use get_ebb_head_tail.
7283 (sh_md_init_global): Adjust uses of find_regmode_weight.
7285 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7287 * function.h (struct function) <x_tail_recursion_reentry>:
7288 Rename to x_stack_check_probe_note.
7289 (tail_recursion_reentry): Rename to stack_check_probe_note.
7290 * function.c: Replace tail_recursion_reentry with
7291 stack_check_probe_note everywhere.
7292 (expand_function_start): Only emit a note for
7293 stack_check_probe_note with -fstack-protect.
7294 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7296 * emit-rtl.c (remove_unnecessary_notes): Remove.
7297 (pass_remove_unnecessary_notes): Remove.
7298 * rtl.h (remove_unnecessary_notes): Remove prototype.
7299 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7300 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7301 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7303 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7306 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7307 (valid_in_set): Handle ARRAY_REF.
7308 Change "if min_variant or VH" to asserts.
7309 (create_component_ref_by_pieces): Handle ARRAY_REF.
7310 (create_expression_by_pieces): Likewise.
7311 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7313 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7315 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7316 is operand of switch, not str[0].
7318 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7320 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7321 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7323 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7325 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7326 end of insn_extra_address_constraint declaration.
7328 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7330 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7331 (no-sum-in-toc): Same.
7332 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7334 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7335 NO_FP_IN_TOC for -fPIC instead of mask.
7337 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7338 (BOOT_LDFLAGS): Delete.
7340 * config/rs6000/t-aix52: Same.
7342 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7343 (stmsi[345678]_power): New.
7345 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7347 * config/ia64/ia64.opt: Add empty line to end of file.
7349 2006-03-17 Richard Guenther <rguenther@suse.de>
7352 * builtins.c (get_pointer_alignment): For component style references
7353 adjust alignment to the component type alignment. Make sure
7354 to adjust alignment for component access of constants.
7356 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7358 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7361 2006-03-17 Paul Brook <paul@codesourcery.com>
7363 * doc/install.texi: Docuemnt --with-mode.
7364 * config.gcc: Add --with-mode for arm*-*-*.
7365 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7367 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7369 * sh.c (max_labelno_before_reorg): New variable.
7370 (sh_reorg): Initialize it.
7371 (find_barrier): Check max_labelno_before_reorg before using
7372 label_to_alignment. Take length of explicit alignment insns
7373 into account. When seeing a UNSPECV_CONST_END, return it.
7375 * sh.c (fixup_mova): Set mode of affected label to QImode.
7376 (untangle_mova): New function.
7377 (find_barrier): Use it. Check mode of label before decrementing
7379 (sh_reorg): Likewise.
7380 Set mode of all insns back to VOIDmode.
7382 * sh.c (MOVA_LABELREF): New macro.
7383 (mova_p, fixup_mova, sh_reorg): Use it.
7384 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7385 ADDR_DIFF_VEC matches mova.
7387 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7389 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7390 with ATTRIBUTE_UNUSED.
7392 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7394 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7395 pointer, instead of assuming it is possible to derive the
7396 correct args size from a call insn.
7398 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7400 * rtl.h (CONST_INT_P): Define.
7401 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7402 instead of GET_CODE(x) == CONST_INT.
7403 (vax_rtx_costs): Likewise.
7404 (vax_output_int_move): Likewise.
7405 (vax_output_int_add): Likewise.
7406 (legitimate_constant_address_p): Likewise.
7407 (index_term_p): Likewise.
7408 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7409 * config/vax/vax.md (and<mode>3): Likewise.
7410 (ashrsi3): Likewise.
7412 (movstricthi): Likewise.
7413 (movstrictqi): Likewise.
7414 (rotrsi3): Likewise.
7415 (five unnamed insns): Likewise.
7417 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7419 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7420 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7421 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7422 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7423 Pass to ASM_OUTPUT_DWARF_OFFSET.
7424 * dwarf2out.c (debug_frame_section): New.
7425 (output_call_frame_info): Use debug_frame_section. Pass it to
7426 dw2_asm_output_offset.
7427 (output_die): Pass appropriate section to dw2_asm_output_offset.
7428 (output_compilation_unit_header): Likewise.
7429 (output_pubnames): Likewise.
7430 (output_aranges): Likewise.
7431 (enum dw_val_class): Break dw_val_class_lbl_offset into
7432 dw_val_class_lineptr and dw_val_class_macptr.
7433 (add_AT_lbl_offset): Delete.
7434 (add_AT_lineptr): New.
7435 (add_AT_macptr): New.
7436 (AT_lbl): Expect a lineptr or macptr.
7437 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7438 (attr_checksum): Likewise.
7439 (same_dw_val_p): Likewise.
7440 (size_of_die): Likewise.
7441 (value_format): Likewise.
7442 (output_die): Likewise.
7443 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7445 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7446 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7447 * config/darwin-protos.h (darwin_file_start): New.
7448 (darwin_asm_output_dwarf_offset): New.
7449 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7450 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7452 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7453 if not EH section; simplify.
7454 (darwin_file_start): New.
7455 (darwin_asm_output_dwarf_offset): New.
7456 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7458 (DEBUG_INFO_SECTION): Likewise.
7459 (DEBUG_ABBREV_SECTION): Likewise.
7460 (DEBUG_ARANGES_SECTION): Likewise.
7461 (DEBUG_MACINFO_SECTION): Likewise.
7462 (DEBUG_LINE_SECTION): Likewise.
7463 (DEBUG_LOC_SECTION): Likewise.
7464 (DEBUG_PUBNAMES_SECTION): Likewise.
7465 (DEBUG_STR_SECTION): Likewise.
7466 (DEBUG_RANGES_SECTION): Likewise.
7467 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7468 (ASM_OUTPUT_DWARF_OFFSET): New.
7470 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7472 * config.gcc (tm_defines): Always add to previous value rather
7475 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7477 * config/mips/predicates.md (splittable_const_int_operand): New,
7478 split from move_operand.
7479 (splittable_symbolic_operand): New.
7480 (move_operand): Add commentary. Use splittable_const_int_operand.
7481 Inline mips_atomic_symbolic_constant_p.
7482 * config/mips/mips.md: Add combine splitters for handling moves
7483 of splittable_const_int_operands and splittable_symbolic_operands.
7484 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7485 (mips_split_symbol): Declare.
7486 (mips_move_integer): Declare.
7487 * config/mips/mips.c (mips_split_p): Make global.
7488 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7489 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7490 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7491 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7492 (mips_offset_within_object_p): Handle block symbols.
7493 (mips_atomic_symbolic_constant_p): Delete.
7494 (mips_cannot_force_const_mem): Return false for constants that
7495 mips_legitimize_move can handle.
7496 (mips_use_blocks_for_constant_p): New function.
7497 (mips_split_symbol): Make global.
7498 (mips_move_integer): Likewise. Add a temporary register argument.
7499 (mips_legitimize_const_move): Use splittable_const_int_operand and
7500 splittable_symbolic_operand.
7501 (mips_use_anchors_for_symbol_p): New function.
7502 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7503 (mips_split_p): Declare.
7505 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7507 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7508 (mips*-*-linux*): Likewise.
7510 2006-03-16 Roger Sayle <roger@eyesopen.com>
7511 Daniel Speyer <dspeyer@wam.umd.edu>
7514 * tree-dump.c (dump_real): New function.
7515 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7516 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7517 (tree-dump.o): Add $(REAL_H) to the dependencies.
7519 2006-03-16 Roger Sayle <roger@eyesopen.com>
7522 * real.c (real_from_string): If the mantissa is zero, don't bother
7523 parsing the exponent as the result should always be zero.
7525 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7527 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7529 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7531 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7532 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7533 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7534 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7535 ia64_sched_finish_global): New static functions to implement
7536 hooks from gcc_target.sched.
7537 (spec_check_no, max_uid, pending_data_specs): New static variables.
7538 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7539 ia64_spec_check_src_p): New static functions.
7540 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7541 (TARGET_SCHED_ADJUST_COST): Removed.
7542 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7543 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7544 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7545 TARGET_SCHED_GEN_CHECK,
7546 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7547 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7548 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7549 Fixed to handle speculation checks.
7550 (rtx_needs_barrier): Fixed to handle speculative loads and
7552 (ia64_variable_issue): Added code to count speculative loads and their
7554 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7556 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7558 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7560 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7561 (ia64_reorg): Reset stops_p to NULL after it is freed.
7562 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7563 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7564 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7566 (data_speculative, control_speculative, check_load): New attributes.
7567 (mov<mode>_advanced, mov<mode>_speculative,
7568 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7569 zero_extend<mode>di2_speculative,
7570 zero_extend<mode>di2_speculative_advanced): New patterns for
7571 data and control speculative loads.
7572 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7574 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7575 New pattern for data and control speculation checks.
7576 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7577 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7578 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7579 Auxiliary definitions for the patterns.
7580 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7581 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7583 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7585 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7586 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7587 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7588 New resource constraints.
7589 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7591 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7592 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7593 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7594 msched-in-control-spec, msched-ldc, msched-control-ldc,
7595 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7596 msched-prefer-non-control-spec-insns,
7597 msched-count-spec-in-critical-path): New flags to tune speculative
7599 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7600 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7601 msched-in-control-spec, msched-ldc, msched-control-ldc,
7602 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7603 msched-prefer-non-control-spec-insns,
7604 msched-count-spec-in-critical-path): Document new flags.
7606 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7608 * target.h (struct spec_info_def): New opaque declaration.
7609 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7610 speculate_insn, needs_block_p, gen_check,
7611 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7612 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7613 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7614 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7615 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7616 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7618 (TARGET_SCHED): Use new macros.
7619 * rtl.h (copy_DEPS_LIST_list): New prototype.
7620 * sched-int.h (struct sched_info): Change signature of new_ready field,
7621 adjust all initializations. New fields: add_remove_insn,
7622 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7623 region_head_or_leaf_p.
7624 (struct spec_info_def): New structure declaration.
7625 (spec_info_t): New typedef.
7626 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7627 recovery_block, orig_pat.
7628 (glat_start, glat_end): New variables declaraions.
7629 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7631 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7632 DETACH_LIFE_INFO, USE_GLAT.
7633 (enum SPEC_SCHED_FLAGS): New enumeration.
7634 (NOTE_NOTE_BB_P): New macro.
7635 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7636 attach_life_info, debug_spec_status, check_reg_live): New functions.
7637 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7638 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7640 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7641 * ddg.c (get_block_head_tail): Adjust all uses.
7642 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7643 (sms_sched_info): Initialize new fields.
7644 (contributes_to_priority): Removed.
7645 * haifa-sched.c (params.h): New include.
7646 (get_block_head_tail): Adjust all uses.
7647 (ISSUE_POINTS): New macro.
7648 (glat_start, glat_end): New global variables.
7649 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7650 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7651 old_last_basic_block, before_recovery, current_sched_info_var,
7652 rgn_n_insns, luid): New static variables.
7653 (insn_cost1): New function. Move logic from insn_cost to here.
7654 (find_insn_reg_weight1): New function. Move logic from
7655 find_insn_reg_weight to here.
7656 (reemit_notes, move_insn, max_issue): Change signature.
7657 (move_insn1): Removed.
7658 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7659 extend_bb): New static functions to support extension of scheduler's
7661 (generate_recovery_code, process_insn_depend_be_in_spec,
7662 begin_speculative_block, add_to_speculative_block,
7663 init_before_recovery, create_recovery_block, create_check_block_twin,
7664 fix_recovery_deps): New static functions to support
7665 generation of recovery code.
7666 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7667 restore_bb_notes, move_block_after_check, move_succs): New static
7668 functions to support ebb scheduling.
7669 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7670 functions to support handling of register live information.
7671 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7672 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7673 add_jump_dependencies): New static functions.
7674 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7675 consistancy checking.
7676 (debug_spec_status): New function to call from debugger.
7677 (priority): Added code to handle speculation checks.
7678 (rank_for_schedule): Added code to distinguish speculative instructions.
7679 (schedule_insn): Added code to handle speculation checks.
7680 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7681 Fixed to handle ebbs.
7682 (move_insn): Added code to handle ebb scheduling.
7683 (max_issue): Added code to use ISSUE_POINTS of instructions.
7684 (choose_ready): Added code to choose between speculative and
7685 non-speculative instructions.
7686 (schedule_block): Added code to handle ebb scheduling and scheduling of
7687 speculative instructions.
7688 (sched_init): Initialize new variables.
7689 (sched_finish): Free new variables. Print statistics.
7690 (try_ready): Added code to handle speculative instructions.
7691 * lists.c (copy_DEPS_LIST_list): New function.
7692 * sched-deps.c (extend_dependency_caches): New function. Move logic
7693 from create_dependency_caches to here.
7694 (get_dep_weak, ds_merge): Make global.
7695 * genattr.c (main): Code to output prototype for
7696 dfa_clear_single_insn_cache.
7697 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7698 (output_dfa_clean_insn_cache_func): Code to output
7699 dfa_clear_single_insn_cache function.
7700 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7702 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7704 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7705 New static variables.
7706 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7707 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7709 (ebb_sched_info): Initialize new fields.
7710 (get_block_head_tail): Adjust all uses.
7711 (compute_jump_reg_dependencies): Fixed to use glat_start.
7712 (schedule_ebb): Code to remove unreachable last block.
7713 (schedule_ebbs): Added code to update register live information.
7714 * sched-rgn.c (region_sched_info): Initialize new fields.
7715 (get_block_head_tail): Adjust all uses.
7716 (last_was_jump): Removed. Adjust users.
7717 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7718 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7719 Implement new hooks.
7720 (check_dead_notes1): New static function.
7721 (struct region): New fields: dont_calc_deps, has_real_ebb.
7722 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7723 (BB_TO_BLOCK): Fixed to handle EBBs.
7724 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7725 (ebb_head): New static variable.
7726 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7727 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7729 (compute_dom_prob_ps): New assertion.
7730 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7731 global_live_at_start.
7732 (init_ready_list): New assertions.
7733 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7734 (new_ready): Add support for BEGIN_CONTROL speculation.
7735 (schedule_insns): Fixed code that updates register live information
7737 (schedule_region): Fixed to handle EBBs.
7738 (init_regions): Use extend_regions and check_dead_notes1.
7739 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7740 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7741 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7742 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7743 TARGET_SCHED_GEN_CHECK,
7744 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7745 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7746 * doc/invoke.texi (max-sched-insn-conflict-delay,
7747 sched-spec-prob-cutoff): Document.
7749 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7751 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7752 inter_tick, queue_index.
7753 (struct sched_info): Change signature of init_ready_list field.
7754 Adjust all initializations.
7755 (RESOLVED_DEPS): New access macro.
7756 (ready_add): Remove prototype.
7757 (try_ready): Add prototype.
7758 * sched-rgn.c (init_ready_list): Use try_ready.
7759 (schedule_region): Initialize
7760 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7761 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7762 (init_ready_list): Use try_ready.
7763 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7764 * lists.c (remove_list_elem): Remove `static'.
7765 (remove_free_INSN_LIST_elem): New function.
7766 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7767 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7768 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7770 (readyp): New variable.
7771 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7772 change_queue_index, resolve_dep): New static functions.
7773 (try_ready): New function. Adjust callers in sched-rgn.c and
7774 sched-ebb.c to use it instead of ready_add.
7775 (clock_var): Move at the begining of file.
7776 (rank_for_schedule): Fix typo.
7777 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7778 (ready_lastpos): Enforce assertion.
7779 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7781 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7782 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7783 (queue_to_ready): Use free_INSN_LIST_list.
7784 (early_queue_to_ready): Fix typo.
7785 (schedule_block): Init readyp. Move init_ready_list call after the
7786 initialization of clock_var. Fix error in rejecting insn by
7787 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7788 that previously corrected INSN_TICKs. Add code for handling
7790 (set_priorities): Fix typo.
7791 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7792 Clarify comment and code that keeps current_sched_info->next_tail
7795 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7797 * sched-rgn.c (extend_rgns): New static function.
7798 (find_rgns): Use it.
7799 (gather_region_statistics, print_region_statistics): New static
7801 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7802 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7804 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7805 Andrey Belevantsev <abel@ispras.ru>
7807 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7808 * lists.c (unused_deps_list): New variable.
7809 (free_list): Add assertions to verify the proper distinguishing
7810 between INSN_LISTs and DEPS_LISTs.
7811 (find_list_elem, remove_list_elem, remove_list_node): New static
7813 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7814 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7815 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7816 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7818 (free_INSN_LIST_node): Likewise.
7819 * modulo-sched.c (current_sched_info): Initialize flags field.
7820 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7821 * rtl.def (DEPS_LIST): Define.
7822 * rtl.h: Declare new functions from lists.c.
7823 * sched-deps.c (spec_dependency_cache): New static variable.
7824 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7825 (add_dependence): Change return type to void. Move the logic to ...
7826 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7827 (delete_all_dependences): Add comment about forward_dependency_cache.
7828 Handle spec_dependency_cache. Handle DEPS_LISTs.
7829 (fixup_sched_groups): Clarify the change of priority of output
7830 and anti dependencies.
7831 (sched_analyze_2): Adjust add_dependence calls to create data
7832 speculative dependence.
7833 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7834 Adjust all callers. Handle DEPS_LISTS.
7835 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7836 presence of speculation.
7837 (init_dependency_caches, free_dependency_caches):
7838 Handle spec_dependency_cache.
7839 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7840 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7841 New static functions.
7842 (add_or_update_back_dep, add_or_update_back_forw_dep,
7843 add_back_forw_dep, delete_back_forw_dep): New functions.
7844 * sched-int.h (ds_t, dw_t): New typedefs.
7845 (struct sched_info): Add new field flags.
7846 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7847 Prototype new sched-deps.c functions.
7848 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7849 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7850 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7851 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7852 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7853 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7855 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7857 * sched-rgn.c (current_sched_info): Initialize flags field.
7858 (schedule_insns): Initialize current_sched_info before the sched_init
7860 * sched-ebb.c (current_sched_info): Initialize flags field.
7861 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7862 Call add_or_update_back_dep instead of add_dependence.
7863 Create control speculative dependencies.
7864 (schedule_insns): Initialize current_sched_info before the sched_init
7867 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7869 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7871 (sh_fallback_frame_state): Likewise.
7873 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7875 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7876 Do switch on default_use_cxa_atexit.
7877 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7878 * config/darwin-crt3.o: New.
7879 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7880 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7881 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7883 * config/rs6000/t-darwin: Move crt2.o building to here.
7884 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7885 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7888 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7890 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7891 from '! xxx' to '!xxx' for coding-style conformance.
7892 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7893 (EXTRA_CONSTRAINT): Likewise.
7894 * config/vax/vax.md (four unnamed insns): Likewise.
7896 2006-03-15 Paul Brook <paul@codesourcery.com>
7898 * config/arm/arm.c (minipool_pad): New.
7899 (add_minipool_forward_ref): Include pool alignment padding in address
7901 (push_minipool_fix): Set minipool_pad.
7902 (minipool_pad): Ditto.
7904 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7906 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7907 instead of GET_CODE() == MEM and REG_P() instead of
7909 (print_operand_address): Likewise.
7910 (vax_address_cost): Likewise.
7911 (vax_rtx_costs): Likewise.
7912 (vax_notice_update_cc): Likewise.
7913 (vax_output_int_add): Likewise.
7914 (INDEX_REGISTER_P): Likewise.
7915 (BASE_REGISTER_P): Likewise.
7916 (nonindexed_address_p): Likewise.
7917 (vax_mode_dependent_address_p): Likewise.
7918 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7919 (PRINT_OPERAND): Likewise.
7920 * config/vax/vax.md (ashlsi3): Likewise.
7921 (ashlsi3): Likewise.
7922 (some more unnamed insns): Likewise.
7924 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7926 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7927 iterator-style macro.
7928 (mark_control_dependent_edges_necessary): Update the use of
7929 EXECUTE_IF_CONTROL_DEPENDENT.
7931 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7933 * config/sh/predicates.md (cache_address_operand): Special.
7934 (ua_address_operand): Likewise.
7936 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7938 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7940 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7942 2006-03-15 Andreas Schwab <schwab@suse.de>
7944 * gensupport.c (identify_predicable_attribute): Don't free p_false
7945 when it is still in use.
7947 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7949 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7950 the default setting here.
7952 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7954 * tree-pass.h (pass_cfg): Remove.
7955 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7956 * passes.c (pass_cfg): Don't run it.
7958 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7960 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7961 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7963 (stack_regs_mentioned): Update the uses of
7964 stack_regs_mentioned_data. Don't access the array beyond its
7966 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7967 Don't include gt-reg-stack.h.
7969 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7970 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7972 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7975 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7978 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7980 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7982 2006-03-14 Richard Guenther <rguenther@suse.de>
7984 PR tree-optimization/26672
7985 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7988 2006-03-14 Richard Guenther <rguenther@suse.de>
7990 PR tree-optimization/26667
7991 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7992 node for the callees. Always allow inlining if it will shrink
7995 2006-03-14 Richard Guenther <rguenther@suse.de>
7998 * builtins.c (get_pointer_alignment): Prefer alignment
7999 information from decls over that from types.
8001 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8004 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8006 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8008 * config/rs6000/rs6000.opt (mdlmzb): New option.
8009 (msched-prolog, msched-epilog): Use Var not Mask.
8010 * doc/invoke.texi (-mdlmzb): Document.
8011 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8013 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8014 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8016 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8018 PR rtl-optimization/25739
8019 * bt-load.c (augment_live_range): Free tos pointer.
8021 * gensupport.c (identify_predicable_attribute): Free
8023 * gcov.c (create_file_names): Free name pointer.
8025 2006-03-13 Roger Sayle <roger@eyesopen.com>
8028 * stmt.c (emit_case_nodes): Handle the case where the index is a
8029 CONST_INT, where the comparison mode is specified by the index type.
8031 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8033 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8036 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8038 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8039 (*branch_fp_inverted): Likewise.
8041 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8044 * omp-low.c (expand_omp_for_generic): Mark istart0
8045 and iend0 as addressable.
8047 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8049 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8051 2006-03-13 Jeff Law <law@redhat.com>
8053 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8054 virtual operands are interesting.
8055 (vrp_visit_stmt): Corresponding changes.
8057 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8059 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8061 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8062 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8063 * config/bfin/crti.S: Use it instead of __PIC__.
8064 * config/bfin/crtn.S: Likewise.
8066 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8067 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8069 Lose 'G' modifier for call operand.
8070 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8071 recognize 'G' modifier.
8073 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8076 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8077 * stmt.c (expand_case): Likewise.
8079 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8081 PR rtl-optimization/26254
8082 * loop-invariant.c (seq_insns_valid_p): New function.
8083 (move_invariant_reg): Only emit new code if it is valid.
8085 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8087 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8089 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8090 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8091 (commit_one_edge_insertion): Do not look for loop notes.
8093 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8095 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8096 flag_test_coverage out of loop.
8098 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8100 * final.c (shorten_branches): Remove outdated comment, and turn
8101 the if branch that guards it to continue.
8103 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8105 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8106 * cfgloop.h (struct loop): Remove unused fields.
8108 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8110 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8111 (-dL, -fdump-rtl-loop2): Update the dump file names
8113 * doc/invoke.texi: Update dump file names.
8115 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8117 * predict.c (estimate_probability): Remove.
8118 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8119 * basic-block.h (estimate_probability): Remove prototype.
8120 * passes.c (finish_optimization_passes): Dump branch prediction or
8121 profiling heuristics to the .profile tree dump.
8122 (init_optimization_passes): Unqueue pass_branch_prob.
8124 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8126 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8128 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8129 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8131 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8133 * function.h (frame_offset_overflow): Declare.
8134 * function.c (frame_offset_overflow): New function.
8135 (assign_stack_local_1): Call it to detect that the offset overflows.
8136 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8138 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8140 * config/sh/sh.c: Include alloc-pool.h.
8141 (label_ref_list_pool): New alloc pool.
8142 (label_ref_list_t): New type for lists of labels.
8143 (struct pool_node): Make wend a label_ref_list_t.
8144 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8146 (dump_table): Likewise.
8147 (sh_reorg): Set up the alloc pool before using add_constant and
8148 dump_table, and destroy it when finishing.
8150 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8152 * config/mips/mips.c: Remove redundant comment.
8154 2006-03-10 Jason Merrill <jason@redhat.com>
8157 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8158 the target was declared 'register'.
8160 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8162 * genpreds.c (write_insn_constraint_len): Change definition of
8163 insn_constraint_len to return size_t to match the declaration.
8165 2006-03-10 DJ Delorie <dj@redhat.com>
8167 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8169 (m32c_expand_insv): Fix test for an AND mask.
8171 2006-03-10 Richard Guenther <rguenther@suse.de>
8174 * builtins.c (get_pointer_alignment): Handle component
8175 references for field alignment.
8177 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8179 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8180 when building with libgloss.
8181 (sh*elf): Implement --without-fp option.
8182 (sh64-superh-linux*): Don't multilib.
8184 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8186 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8188 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8190 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8191 Set it when one of the replacement functions returned true.
8192 Return TODO_cleanup_cfg if cfgchanged is true.
8193 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8195 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8197 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8198 instead of gen_lowpart.
8200 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8202 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8204 (mips_output_order_conditional_branch): Declare.
8205 * config/mips/mips.h (MIPS_BRANCH): New macro.
8206 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8207 for the comparison. Use gen_condjump.
8208 (mips_output_conditional_branch): Rework interface to take the
8209 asm templates for a direct branch and the inverse of a direct branch.
8210 (mips_output_order_conditional_branch): New function.
8211 (mips_builtin_branch_and_move): New function.
8212 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8213 branch condition. Use gen_single_cc as the condition for
8214 __builtin_mips_upper_* or __builtin_mips_lower_*.
8215 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8216 Use VOIDmode for the branch condition.
8217 * config/mips/predicates.md (order_operator): New predicate.
8218 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8219 (branch_fp): Rename to...
8220 (*branch_fp): ...this. Remove mode from comparison operator.
8221 Use new mips_output_conditional_branch interface.
8222 (branch_fp_inverted): Rename to...
8223 (*branch_fp_inverted): ...this and update as for *branch_fp.
8224 (*branch_zero<mode>): Rename to...
8225 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8226 Use mips_output_order_conditional_branch. Only accept ordered
8228 (*branch_zero<mode>_inverted): Rename to...
8229 (*branch_order<mode>_inverted): ...this and update as for
8230 *branch_order<mode>.
8231 (*branch_equality<mode>): Accept zero as the second operand to
8232 the equality operator. Use the new mips_output_conditional_branch
8234 (*branch_equality<mode>_inverted): Likewise.
8235 (condjump): New expander.
8236 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8238 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8239 (bc1any2t, bc1any2f): Likewise.
8240 (single_cc): New expander.
8241 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8243 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8245 * doc/md.texi: Update documentation of MIPS constraints.
8246 * config/mips/constraints.md: New file.
8247 * config/mips/mips.md: Include it.
8248 * config/mips/mips.c (mips_char_to_class): Delete.
8249 (override_options): Don't initialize mips_char_to_class.
8250 * config/mips/mips.h (mips_char_to_class): Delete.
8251 (REG_CLASS_FROM_LETTER): Delete.
8252 (CONST_OK_FOR_LETTER_P): Delete.
8253 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8254 (EXTRA_CONSTRAINT_Y): Delete.
8255 (EXTRA_CONSTRAINT_STR): Delete.
8256 (CONSTRAINT_LEN): Delete.
8257 (EXTRA_MEMORY_CONSTRAINT): Delete.
8259 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8261 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8262 original fn's eh regions.
8264 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8266 * fold-const.c (build_range_check): Make sure to use a valid type to
8267 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8270 (range_predecessor): New static function.
8271 (range_successor): Likewise.
8272 (merge_ranges): Use them to compute predecessors and successors of
8275 2006-03-09 Roger Sayle <roger@eyesopen.com>
8278 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8279 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8281 2006-03-08 DJ Delorie <dj@redhat.com>
8283 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8284 (addpsi3): Expand to include memory operands. Remove
8285 reload-specific splits.
8286 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8287 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8288 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8289 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8290 (shift1_qi, shift1_hi, insv): New.
8291 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8292 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8293 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8295 * config/m32c/m32c-protos.h: Update as needed.
8296 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8297 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8298 Fail for unrecognized R* constraints.
8299 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8300 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8301 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8303 (m32c_init_libfuncs): New.
8304 (m32c_legitimate_address_p): Add debug wrapper.
8305 (m32c_rtx_costs): New.
8306 (m32c_address_cost): New.
8307 (conversions): Add 'B' prefix.
8308 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8309 operands, or word regnames for QI operands. 'B' prints bit
8311 (m32c_expand_setmemhi): New.
8312 (m32c_expand_movmemhi): New.
8313 (m32c_expand_movstr): New.
8314 (m32c_expand_cmpstr): New.
8315 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8316 (m32c_expand_neg_mulpsi3): Handle non-ints.
8317 (m32c_cmp_flg_0): New.
8318 (m32c_expand_movcc): New.
8319 (m32c_expand_insv): New.
8320 (m32c_scc_pattern): New.
8321 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8322 a0/a1 out of SIregs.
8323 (STORE_FLAG_VALUE): New.
8324 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8327 * config/m32c/mov.md: Make constraints more liberal.
8328 (zero_extendqihi2): Optimize r0/r1 case.
8329 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8330 * config/m32c/predicates.md (m32c_any_operand): New.
8331 (m32c_nonimmediate_operand): New.
8332 (m32c_hl_operand): New.
8333 (m32c_r3_operand): New.
8336 (memsym_operand): New.
8337 (memimmed_operand): New.
8338 (a_qi_operand): New.
8339 (m32c_eqne_operator): New.
8340 (m32c_1bit8_operand): New.
8341 (m32c_1bit16_operand): New.
8342 (m32c_1mask8_operand): New.
8343 (m32c_1mask16_operand): New.
8344 * config/m32c/blkmov.md: New file.
8345 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8347 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8349 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8350 unsigned to fix signed/unsigned comparison issue in
8351 DWARF2_FRAME_REG_OUT.
8352 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8353 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8355 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8356 of ptr into the ENABLE_CHECKING section.
8358 2006-03-08 Jeff Law <law@redhat.com>
8360 * tree-vrp.c (infer_value_range): Only count pointer uses
8361 and dereferences if -fdelete-null-pointer-checks is enabled.
8363 * tree-vrp.c (find_assert_locations): Infer value ranges for
8364 single use pointers, but do not create ASSERT_EXPRs for them.
8365 When a non-null range is inferred for a pointer, backwards
8366 propagate that range to other equivalent pointers through the
8369 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8372 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8373 language hook targets.
8374 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8375 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8376 if language hook targets were missing.
8378 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8380 * tree-ssa-opfinalize.h: Removed.
8381 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8383 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8384 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8385 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8386 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8387 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8388 finalize_ssa_v_must_def_ops): New.
8390 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8392 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8395 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8397 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8399 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8400 addresses with offsets; reorganize.
8402 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8403 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8404 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8406 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8409 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8411 2006-03-08 Ben Elliston <bje@au.ibm.com>
8413 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8415 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8418 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8421 2006-03-07 Richard Guenther <rguenther@suse.de>
8423 PR tree-optimization/26587
8424 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8426 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8428 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8430 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8432 * hooks.c (hook_bool_mode_rtx_true): New function.
8433 * hooks.h (hook_bool_mode_rtx_true): Declare.
8434 * toplev.c (compile_file): Call output_shared_constant_pool.
8435 * varasm.c (shared_constant_pool): New variable.
8436 (assemble_start_function, assemble_end_function): Remove arguments
8437 from call to output_constant_pool.
8438 (create_constant_pool): New function, split out from...
8439 (init_varasm_status): ...here.
8440 (force_const_mem): Choose between the shared and per-function constant
8441 pools. Set current_function_uses_const_pool when reusing old entries
8442 as well as when creating new ones.
8443 (mark_constant): Ignore data argument.
8444 (mark_constants): Remove pool argument.
8445 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8446 to decide whether the function uses a constant pool.
8447 (output_constant_pool_contents): New function, split out from...
8448 (output_constant_pool): ...here.
8449 (output_shared_constant_pool): New function.
8450 (init_varasm_once): Initialize shared_constant_pool.
8451 * output.h (output_constant_pool): Delete.
8452 (output_shared_constant_pool): Declare.
8453 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8454 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8456 2006-03-06 Nick Clifton <nickc@redhat.com>
8458 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8459 flag_strength_reduce.
8461 2006-03-06 Ben Elliston <bje@au.ibm.com>
8463 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8464 x86_64-*-linux* configurations.
8466 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8467 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8469 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8471 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8473 * basic-block.h: Remove the extern for
8474 rediscover_loops_after_threading.
8476 * cfgloop.c (cancel_loop): Make it static.
8477 * cfgloop.h: Remove the prototype for cancel_loop.
8479 * flow.c (recompute_reg_usage): Make it static.
8480 * rtl.h: Remove the prototype for recompute_reg_usage.
8482 * function.c (use_return_register): Make it static.
8483 * function.h: Remove the prototype.
8485 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8487 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8489 * recog.h: Remove the prototype for
8490 validate_change_maybe_volatile.
8492 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8494 * rtlanal.c (replace_reg): Remove.
8495 * rtl.h: Remove the prototype for replace_reg.
8497 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8499 * regclass.c (reg_scan_update): Remove.
8500 (reg_scan_mark_refs): Remove the last argument.
8501 * rtl.h: Remove the prototype for reg_scan_update.
8503 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8505 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8506 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8507 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8508 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8509 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8510 loop-invariant.c, omp-low.c, opts.c, passes.c,
8511 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8512 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8513 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8514 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8515 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8516 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8518 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8520 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8521 * dwarf2out.h: Remove the prototype for
8522 dwarf2out_add_library_unit_info.
8524 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8526 * tree.c (add_var_to_bind_expr): Remove.
8527 * tree.h: Remove the prototype for add_var_to_bind_expr.
8529 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8531 * regclass.c (n_non_fixed_regs): Remove.
8532 (init_reg_sets_1, globalize_reg): Remove all uses of
8534 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8536 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8538 * rtlanal.c (insns_safe_to_move_p): Remove.
8539 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8541 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8543 * expmed.c (expand_mult_add): Remove.
8544 * expr.h: Remove the prototype for expand_mult_add.
8546 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8548 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8549 and REG_SAVED_VAL_EXP constants.
8550 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8551 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8552 Handle regs stored by value.
8553 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8554 (execute_cfa_program): Handle DW_CFA_val_offset,
8555 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8556 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8557 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8558 (uw_install_context_1): Handle target regs stored by value.
8560 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8562 * tree-sra.c (tree_sra): Return todoflags;
8563 (generate_one_element): Set TODO_update_smt_usage if needed.
8564 (pass_sra): Remove TODO_update_smt_usage.
8565 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8567 (tree_ssa_forward_propagate_single_use_vars): Return
8568 TODO_update_smt_usage if we need to update SMT usage.
8569 (pass_forwprop): Remove TODO_update_smt_usage.
8571 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8573 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8574 (correct_use_link): Remove reference to get_stmt_operands.
8575 (update_stmt_operands): Likewise.
8576 (get_modify_expr_operands): New function factored out of
8577 parse_ssa_operands and get_expr_operands.
8578 Try to create V_MUST_DEFs for LHS by default.
8579 (get_expr_operands) <case MODIFY_EXPR>: Call
8580 get_modify_expr_operands.
8581 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8582 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8583 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8584 get_modify_expr_operands.
8586 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8588 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8589 * tree-flow.h: Remove the prototype for
8590 referenced_var_lookup_if_exists.
8592 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8594 PR rtl-optimization/26345
8596 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8598 2006-03-03 Roger Sayle <roger@eyesopen.com>
8600 PR tree-optimization/26524
8601 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8602 fold_convert to create a constant of the appropriate type.
8604 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8606 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8607 SYMBOL_REF_IN_BLOCK_P.
8608 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8609 of SYMBOL_FLAG_IN_BLOCK.
8610 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8611 instead of SYMBOL_REF_IN_BLOCK_P.
8612 * explow.c (use_anchored_address): Likewise.
8613 * rtl.c (rtx_size): Likewise.
8614 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8615 instead of SYMBOL_FLAG_IN_BLOCK.
8616 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8617 SYMBOL_REF_IN_BLOCK_P.
8618 (assemble_variable): Likewise.
8619 (output_constant_def_contents): Likewise.
8620 (output_constant_pool): Likewise.
8621 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8622 instead of SYMBOL_FLAG_IN_BLOCK.
8623 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8624 SYMBOL_REF_IN_BLOCK_P.
8625 (SYMBOL_REF_BLOCK): Likewise.
8626 (SYMBOL_REF_OFFSET): Likewise.
8627 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8628 SYMBOL_REF_IN_BLOCK_P.
8629 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8630 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8631 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8632 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8634 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8636 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8638 2006-03-02 Roger Sayle <roger@eyesopen.com>
8640 * simplify-rtx.c (simplify_unary_operation): When simplifying
8641 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8642 that we perform the right shift in the appropriate mode, and
8643 then extend or truncate the result to requested mode.
8645 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8647 * gengtype.c (main): Handle double_int type.
8648 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8649 * double-int.c: New file.
8650 * double-int.h: New file.
8651 * system.h: Include doubleint.h.
8652 * Makefile.in (SYSTEM_H): Include double-int.h.
8653 (double-int.o): Add.
8655 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8658 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8661 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8663 * tree-vrp.c (remove_range_assertions): Do not update statements
8666 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8668 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8670 * gcse.c (rest_of_handle_gcse): Ditto.
8671 * except.c (gate_handle_eh): Ditto.
8672 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8673 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8675 2006-03-02 Eric Christopher <echristo@apple.com>
8677 * config/i386/i386.c (machopic_output_stub): Add indirection to
8680 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8684 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8686 Sun Niagara specific optimizations.
8687 * config.gcc: Recognize niagara as target.
8688 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8689 (TARGET_CPU_niagara): Define.
8690 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8691 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8692 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8693 (ASM_CPU_SPEC): Likewise.
8694 (PROCESSOR_NIAGARA): New enum entry.
8695 (REGISTER_MOVE_COST): Handle Niagara.
8696 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8697 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8698 (sparc_override_options): Recognize "niagara", set appropriate
8699 default MASK_* values for it, and align functions to 32-bytes
8700 by default just like ULTRASPARC/ULTRASPARC3.
8701 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8702 (sparc64_initialize_trampoline): Likewise.
8703 (sparc_use_sched_lookahead): Use zero for niagara.
8704 (sparc_issue_rate): Use one for niagara.
8705 * config/sparc/niagara.md: New file.
8706 * config/sparc/sparc.md: Include it.
8707 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8708 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8709 when default cpu is niagara.
8710 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8711 (ASM_CPU_SPEC): Likewise.
8712 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8713 when default cpu is niagara.
8714 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8715 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8716 just like v9/ultrasparc/ultrasparc3.
8717 * doc/invoke.texi: Add documentation for "niagara" and improve
8718 existing documentation for ultrasparc variants.
8720 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8722 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8724 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8726 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8727 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8728 and say that only one is needed.
8729 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8730 * target.h (have_switchable_bss_sections): New hook.
8731 * explow.c (use_anchored_address): Check that the symbol is in a block.
8732 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8733 (bss_noswitch_section): New variables.
8734 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8735 (get_noswitch_section): New function.
8736 (get_block_for_section): Allow SECT to be null.
8737 (unlikely_text_section_p): Use SECTION_STYLE.
8738 (bss_initializer_p): New function.
8739 (get_variable_section): Move earlier in file. Take a new argument,
8740 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8741 Return one of the new *_sections in such cases.
8742 (get_block_for_decl): New function, extracting some logic from
8743 use_blocks_for_decl_p.
8744 (change_symbol_section): Remove in favor of...
8745 (change_symbol_block): ...this new function.
8746 (use_blocks_for_decl_p): Remove checks now performed by
8748 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8749 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8750 (emit_local, emit_bss, emit_common): ...these new functions.
8751 Return true if the alignment was honored.
8752 (emit_tls_common): New function.
8753 (asm_emit_uninitialised): Delete.
8754 (assemble_variable_noswitch): New function, split out from...
8755 (assemble_variable): ...here. Don't make decisions about common
8756 variables here. Globalize all public decls that go into non-common
8757 sections. Check whether SYMBOL_REF_BLOCK is null.
8758 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8759 (output_constant_pool): Likewise.
8760 (init_varasm_once): Initialize the new section variables.
8761 (have_global_bss_p): New function.
8762 (categorize_decl_for_section): Use bss_initializer_p.
8763 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8764 (place_block_symbol): Assert that the symbol must be in a block.
8765 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8766 (TARGET_INITIALIZER): Include it.
8767 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8768 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8769 (SECTION_MACH_DEP): Bump by two.
8770 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8771 (unnamed_section): Mention SECTION_UNNAMED in comment.
8772 (named_section): Likewise SECTION_NAMED.
8773 (noswitch_section_callback): New type.
8774 (noswitch_section): New structure.
8775 (section): Add a noswitch_section alternative.
8776 (SECTION_STYLE): New macro.
8777 (tls_comm_section, comm_section, lcomm_section): Declare.
8778 (bss_noswitch_section, have_global_bss_p): Declare.
8779 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8780 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8782 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8783 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8786 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8788 * tree-vrp.c (execute_vrp): Return value.
8789 * regrename.c (rest_of_handle_regrename): Ditto.
8790 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8791 * tree-complex.c (tree_lower_complex): Ditto.
8792 (tree_lower_complex_O0): Ditto.
8793 * tracer.c (rest_of_handle_tracer): Ditto.
8794 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8795 * postreload.c (rest_of_handle_postreload): Ditto.
8796 * tree-tailcall.c (execute_tail_recursion): Ditto.
8797 (execute_tail_calls): Ditto.
8798 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8799 * tree.h (init_function_for_compilation): Ditto.
8800 * ipa-cp.c (ipcp_driver): Ditto.
8801 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8802 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8803 * final.c (compute_alignments): Ditto.
8804 (rest_of_handle_final): Ditto.
8805 (rest_of_handle_shorten_branches): Ditto.
8806 (rest_of_clean_state): Ditto.
8807 * omp-low.c (execute_expand_omp): Ditto.
8808 (execute_lower_omp): Ditto.
8809 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8810 * ipa-reference.c (static_execute): Ditto.
8811 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8812 * reorg.c (rest_of_handle_delay_slots): Ditto.
8813 (rest_of_handle_machine_reorg): Ditto.
8814 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8815 * flow.c (recompute_reg_usage): Ditto.
8816 (rest_of_handle_remove_death_notes): Ditto.
8817 (rest_of_handle_life): Ditto.
8818 (rest_of_handle_flow2): Ditto.
8819 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8820 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8821 (do_ssa_store_ccp): Ditto.
8822 (execute_fold_all_builtins): Ditto.
8823 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8824 * modulo-sched.c (rest_of_handle_sms): Ditto.
8825 * ipa-pure-const.c (static_execute): Ditto.
8826 * cse.c (rest_of_handle_cse): Ditto.
8827 (rest_of_handle_cse2): Ditto.
8828 * web.c (rest_of_handle_web): Ditto.
8829 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8830 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8831 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8832 * tree-nrv.c (tree_nrv): Ditto.
8833 (execute_return_slot_opt): Ditto.
8834 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8835 (create_structure_vars): Ditto.
8836 * loop-init.c (rtl_loop_init): Ditto.
8837 (rtl_loop_done): Ditto.
8838 (rtl_move_loop_invariants): Ditto.
8839 (rtl_unswitch): Ditto.
8840 (rtl_unroll_and_peel_loops): Ditto.
8841 (rtl_doloop): Ditto.
8842 * gimple-low.c (lower_function_body): Ditto.
8843 (mark_used_blocks): Ditto.
8844 * tree-ssa-sink.c (execute_sink_code): Ditto.
8845 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8846 (cgraph_early_inlining): Ditto.
8847 * global.c (rest_of_handle_global_alloc): Ditto.
8848 * jump.c (cleanup_barriers): Ditto.
8849 (purge_line_number_notes): Ditto.
8850 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8851 (rest_of_handle_if_after_reload): Ditto.
8852 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8853 (tree_ssa_loop_im): Ditto.
8854 (tree_ssa_loop_unswitch): Ditto.
8855 (tree_vectorize): Ditto.
8856 (tree_linear_transform): Ditto.
8857 (tree_ssa_loop_ivcanon): Ditto.
8858 (tree_ssa_empty_loop): Ditto.
8859 (tree_ssa_loop_bounds): Ditto.
8860 (tree_complete_unroll): Ditto.
8861 (tree_ssa_loop_prefetch): Ditto.
8862 (tree_ssa_loop_ivopts): Ditto.
8863 (tree_ssa_loop_done): Ditto.
8864 * predict.c (tree_estimate_probability): Ditto.
8865 * recog.c (split_all_insns_noflow): Ditto.
8866 (rest_of_handle_peephole2): Ditto.
8867 (rest_of_handle_split_all_insns): Ditto.
8868 * tree-eh.c (lower_eh_constructs): Ditto.
8869 * regmove.c (rest_of_handle_regmove): Ditto.
8870 (rest_of_handle_stack_adjustments): Ditto.
8871 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8872 * function.c (instantiate_virtual_regs): Ditto.
8873 (init_function_for_compilation): Ditto.
8874 (rest_of_handle_check_leaf_regs): Ditto.
8875 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8876 (rest_of_handle_gcse): Ditto.
8877 * ipa-type-escape.c (type_escape_execute): Ditto.
8878 * alias.c (rest_of_handle_cfg): Ditto.
8879 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8880 * profile.c (rest_of_handle_branch_prob): Ditto.
8881 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8882 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8883 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8884 * tree-dfa.c (find_referenced_vars): Ditto.
8885 * except.c (set_nothrow_function_flags): Ditto.
8886 (convert_to_eh_region_ranges): Ditto.
8887 (rest_of_handle_eh): Ditto.
8888 * emit-rtl.c (unshare_all_rtl): Ditto.
8889 (remove_unnecessary_notes): Ditto.
8890 * except.h (set_nothrow_function_flags): Ditto.
8891 (convert_to_eh_region_ranges): Ditto.
8892 * cfgexpand.c (tree_expand_cfg): Ditto.
8893 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8894 * tree-ssa-pre.c (do_pre): Ditto.
8895 (execute_fre): Ditto.
8896 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8897 (rest_of_handle_jump2): Ditto.
8898 * tree-sra.c (tree_sra): Ditto.
8899 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8900 (execute_mudflap_function_decls): Ditto.
8901 * tree-ssa-copy.c (do_copy_prop): Ditto.
8902 (do_store_copy_prop): Ditto.
8903 * ipa-prop.h (ipcp_driver): Ditto.
8904 * cfglayout.c (insn_locators_initialize): Ditto.
8905 * tree-ssa-forwprop.c
8906 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8907 * cfglayout.h (insn_locators_initialize): Ditto.
8908 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8909 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8910 (execute_late_warn_uninitialized): Ditto.
8911 * rtl.h (cleanup_barriers): Ditto.
8912 (split_all_insns_noflow): Ditto.
8913 (purge_line_number_notes): Ditto.
8914 (unshare_all_rtl): Ditto.
8915 (remove_unnecessary_notes): Ditto.
8916 (recompute_reg_usage): Ditto.
8917 (variable_tracking_main): Ditto.
8918 * integrate.c (emit_initial_value_sets): Ditto.
8919 * integrate.h (emit_initial_value_sets): Ditto.
8920 * tree-optimize.c (execute_free_datastructures): Ditto
8921 (execute_free_cfg_annotations): Ditto.
8922 (execute_fixup_cfg): Ditto.
8923 (execute_cleanup_cfg_pre_ipa): Ditto.
8924 (execute_cleanup_cfg_post_optimizing): Ditto.
8925 (execute_init_datastructures): Ditto.
8926 * tree-object-size.c (compute_object_sizes): Ditto.
8927 * combine.c (rest_of_handle_combine): Ditto.
8928 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8929 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8930 (rest_of_handle_reorder_blocks): Ditto.
8931 (rest_of_handle_partition_blocks): Ditto.
8932 * var-tracking.c (variable_tracking_main): Ditto.
8933 * tree-profile.c (tree_profiling): Ditto.
8934 * tree-vect-generic.c (expand_vector_operations): Ditto.
8935 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8936 * sched-rgn.c (rest_of_handle_sched): Ditto.
8937 (rest_of_handle_sched2): Ditto.
8938 * basic-block.h (free_bb_insn): Ditto.
8939 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8940 * tree-cfg.c (execute_build_cfg): Ditto.
8941 (remove_useless_stmts): Ditto.
8942 (split_critical_edges): Ditto.
8943 (execute_warn_function_return): Ditto.
8944 (execute_warn_function_noreturn): Ditto.
8945 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8946 * cfgrtl.c (free_bb_for_insn): Ditto.
8947 * passes.c (execute_one_pass): Run additional
8948 todos returned by execute function.
8949 * tree-pass.h (struct tree_opt_pass): Make execute
8952 2006-03-02 Richard Guenther <rguenther@suse.de>
8954 * tree-ssa-alias.c (find_used_portions): Consider taking
8955 the address as making the variable not write-only.
8957 2006-03-02 Nick Clifton <nickc@redhat.com>
8959 * config.gcc (default_use_cxa_atexit): Extend the description of
8960 this configure variable. Set its default value to "yes" for
8961 Linux, NetBSD and ELF targets on the assumption that they will
8962 use C libraries with the __cxa_atexit function.
8964 2006-03-02 Ben Elliston <bje@au.ibm.com>
8966 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8967 parameter as unused to suppress a build warning.
8969 2006-03-02 Ben Elliston <bje@au.ibm.com>
8971 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8974 2006-03-01 Roger Sayle <roger@eyesopen.com>
8977 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8978 declared name, the weak reference name, and the typeof name.
8979 (__gthrw): Avoid expanding the declared name suffix.
8980 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8982 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8984 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8986 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8987 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8988 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8989 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8990 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8991 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8992 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8993 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8994 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8995 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8996 (DW_END_default, DW_END_big, DW_END_little): New.
8997 (DW_END_lo_user, DW_END_hi_user): Define.
8998 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8999 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9000 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9003 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9005 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9007 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9009 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9011 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9013 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9014 to 'symbol_mem_tag'.
9016 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9019 2006-03-01 Roger Sayle <roger@eyesopen.com>
9021 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9023 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9026 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9027 MACHO_DYNAMIC_NO_PIC_P.
9028 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9030 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9033 * config/darwin-protos.h (darwin_asm_output_anchor):
9035 * config/darwin-sections.def (cstring_section):
9036 Add SECTION_MERGE to the flags.
9037 (literal4_section): Likewise.
9038 (literal8_section): Likewise.
9039 (objc_selector_refs_section): Likewise.
9040 (objc_cls_refs_section): Likewise.
9041 * config/darwin.c (darwin_asm_output_anchor): New
9043 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9045 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9047 Fix PR tree-optimization/26443
9048 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9049 to todo and PROP_tmt_usage to properties_destroyed.
9050 * tree-ssa-ccp.c (pass_ccp): Ditto.
9051 (pass_store_ccp): Ditto.
9052 * tree-ssa-dom.c (pass_dominator): Ditto.
9054 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9056 * tree-ssa-operands.c: Cleanup whitespace.
9057 (get_asm_expr_operands): Move before first invocation.
9058 (get_indirect_ref_operands): Likewise.
9059 (get_tmr_operands): Likewise.
9060 (get_call_expr_operands): Likewise.
9061 (append_def): Likewise.
9062 (append_use): Likewise.
9063 (append_v_may_def): Likewise.
9064 (append_v_must_def): Likewise.
9065 (add_call_clobber_ops): Likewise.
9066 (add_call_read_ops): Likewise.
9067 (add_stmt_operand): Likewise.
9068 (add_virtual_operand): Likewise.
9069 (build_ssa_operands): Likewise.
9071 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9076 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9077 with a call expr to ...
9078 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9080 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9082 * tree-vrp.c (extract_range_from_assert): Remove special
9083 handling for types with super-types.
9085 2006-03-01 Ben Elliston <bje@au.ibm.com>
9087 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9088 and powerpc64-*-linux* configurations.
9089 * config/t-dfprules: New file.
9091 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9092 Compile dfp-bit.c from the source directory using -DWIDTH and
9093 $DFP_CFLAGS to control the compilation of that file, rather than
9094 generating width-specific versions in the build directory.
9095 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9096 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9098 2006-02-28 Zack Weinberg <zackw@panix.com>
9100 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9103 2006-02-28 Eric Christopher <echristo@apple.com>
9105 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9106 Set up IN_LIBGCC definition of TARGET_64BIT.
9107 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9109 2006-02-28 Roger Sayle <roger@eyesopen.com>
9112 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9113 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9114 cases via the construction of "expr != 0".
9116 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9118 * alias.c (alias_invariant, alias_invariant_size): Remove.
9119 (record_base_value): Remove.
9120 (memrefs_conflict_p): Don't look at alias_invariant.
9121 (end_alias_analysis): Don't free it.
9122 * alias.h (record_base_value): Remove prototype.
9124 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9125 Adam Nemet <anemet@caviumnetworks.com>
9127 * rtl.h (truncated_to_mode): Declare it.
9128 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9129 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9130 (RTL_HOOKS_INITIALIZER): Include it.
9131 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9132 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9133 reg_truncated_to_mode.
9134 * rtlanal.c (truncated_to_mode): Define it.
9135 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9137 2006-02-28 Jeff Law <law@redhat.com>
9139 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9140 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9141 the range allowed by TYPE_PRECISION.
9143 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9145 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9147 PR tree-optimization/26419
9148 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9151 2006-02-27 Zack Weinberg <zackw@panix.com>
9153 * doc/md.texi: Fix typo in previous change.
9155 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9159 2006-02-27 Zack Weinberg <zackw@panix.com>
9161 * rtl.def (define_constraint, define_register_constraint)
9162 (define_memory_constraint, define_address_constraint): New MD forms.
9163 * gensupport.c (process_rtx): Put define_constraint etc on the
9165 * genpreds.c (process_define_predicate): Adjust comment. Validate
9166 the name, and call validate_exp to validate the expression.
9167 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9168 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9169 all callers changed.
9170 (validate_exp, needs_variable, struct constraint_data)
9171 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9172 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9173 (const_dbl_constraints, constraint_max_namelen)
9174 (have_register_constraints, have_memory_constraints)
9175 (have_address_constraints, have_address_constraints)
9176 (have_extra_constraints, have_const_int_constraints)
9177 (have_const_dbl_constraints, mangle, add_constraint)
9178 (process_define_constraint, process_define_register_constraint)
9179 (write_enum_constraint_num, write_lookup_constraint)
9180 (write_insn_constraint_len, write_regclass_for_constraint)
9181 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9182 (write_insn_extra_memory_constraint)
9183 (write_insn_extra_address_constraint)
9184 (write_satisfies_constraint_fns): New.
9185 (write_tm_preds_h): If we have new-style constraint definitions,
9186 prototype the functions generated from them, and define the
9187 old constraint interface (still used by generic code) in terms of
9189 (write_insn_preds_c): If we have new-style constraint definitions,
9190 generate all relevant functions from those definitions.
9191 (main): Handle define_constraint etc.
9192 * genoutput.c (struct constraint_data, indep_constraints)
9193 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9194 (mdep_constraint_len): New data structures and functions, defined
9195 #ifdef USE_MD_CONSTRAINTS.
9196 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9197 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9198 use new logic to validate operand constraints against constraint
9200 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9202 * defaults.h: If none of the old-style constraint macros are
9203 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9204 old-style macros; and poison REG_CLASS_FROM_LETTER,
9205 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9207 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9208 * doc/md.texi: Document new constraint-definition mechanism and the
9209 C interface it provides. Remove references to old mechanism
9210 elsewhere in the document.
9211 (Machine Constraints): Use pathnames relative to gcc directory,
9212 i.e. config/ARCH/FILE. Change i386 section to refer to
9213 config/i386/predicates.md; update that section to match docstrings.
9214 * doc/tm.texi: Move all documentation of the old constraint-
9215 definition macros to their own section, clearly mark as obsolete.
9217 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9218 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9220 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9221 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9222 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9224 (splits and peepholes): Use satisfies_constraint_*.
9225 * config/i386/i386.c (memory_address_length)
9226 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9228 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9230 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9231 scalar operation to be put back into the loop.
9233 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9236 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9237 (extract_cie_info): Handle S flag in augmentation string.
9238 (execute_cfa_program): If context->signal_frame, execute also
9239 fs->pc == context->ra instructions.
9240 (uw_frame_state_for): If context->signal_frame, don't subtract one
9241 from context->ra to find FDE.
9242 (uw_update_context_1): Set context->signal_frame to
9244 (_Unwind_GetIPInfo): New function.
9245 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9246 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9248 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9249 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9250 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9251 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9252 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9253 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9254 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9255 x86_64_fallback_frame_state): Set fs->signal_frame.
9256 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9257 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9258 (frob_update_context): Likewise. Workaround missing S flag in
9259 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9260 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9261 Remove the psw_addr + 1 hack.
9263 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9265 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9266 with aggregates here.
9267 (find_func_aliases): Remove code for &<aggregate> from here.
9269 2006-02-26 Roger Sayle <roger@eyesopen.com>
9271 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9272 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9273 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9276 2006-02-26 Roger Sayle <roger@eyesopen.com>
9279 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9281 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9283 * opts.c (decode_options): Do not handle flag_strength_reduce.
9284 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9285 and OPT_fstrength_reduce.
9286 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9287 flag_prefetch_loop_arrays for being nonzero.
9288 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9290 (fprefetch-loop-arrays-rtl): Removed.
9291 (flag_prefetch_loop_arrays): Do not specify the value.
9293 * doc/passes.texi: Update documentation of loop optimizer
9295 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9296 -frerun-loop-opt): Remove.
9298 2006-02-26 Richard Guenther <rguenther@suse.de>
9300 PR tree-optimization/26421
9301 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9302 in function calls that are ADDR_EXPRs as using the whole structure.
9304 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9306 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9307 * tree-pass.h (pass_loop_optimize): Remove.
9308 * passes.c (pass_loop_optimize): Never run it.
9309 * toplev.c (backend_init): Don't call init_loop.
9310 * opts.c (flag_loop_optimize_set): Remove.
9311 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9312 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9313 the old RTL loop optimizer when profiling enabled.
9314 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9315 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9316 pre-headers for the sake of the old RTL loop optimizer.
9317 * Makefile.in: Remove all references to loop.o.
9319 * doc/invoke.texi: Remove all references to -floop-optimize
9320 and -frerun-loop-opt.
9322 2006-02-26 Zack Weinberg <zackw@panix.com>
9324 * doc/md.texi (Machine Constraints): Refer to all files with paths
9325 relative to gcc directory (i.e. config/CPU/file). Add missing
9326 @table @code ... @end table to M32C subsection.
9328 2006-02-26 Roger Sayle <roger@eyesopen.com>
9330 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9332 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9334 2006-02-26 Roger Sayle <roger@eyesopen.com>
9335 James A. Morrison <phython@gcc.gnu.org>
9338 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9339 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9340 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9341 signedness of the shift operation.
9343 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9345 PR tree-optimization/26359
9346 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9348 2006-02-25 Roger Sayle <roger@eyesopen.com>
9350 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9351 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9352 as X == 0, and some symmetry related transformations.
9353 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9355 2006-02-25 Roger Sayle <roger@eyesopen.com>
9358 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9359 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9360 symmetry related transformations. Fold (X^C1) == C2 as
9363 2006-02-25 Juergen Weigert <jw@suse.de>
9364 Richard Guenther <rguenther@suse.de>
9366 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9368 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9370 * combine.c (gen_lowpart_or_truncate): Call
9371 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9373 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9375 * doc/invoke.texi: Move -fopenmp description to "Options for
9377 Remove reference to -lgomp.
9379 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9381 * doc/install.texi: Require GNU tar version 1.14.
9383 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9385 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9386 * doc/invoke.texi (C++ Dialect Options): Document
9387 -fno-use-cxa-get-exception-ptr.
9388 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9389 * configure: Regenerate.
9390 * c.opt (fuse-cxa-get-exception-ptr): New.
9391 * c-opts.c (c_common_handle_option): Handle
9392 OPT_fuse_cxa_get_exception_ptr.
9393 * c-common.c (flag_use_cxa_atexit): Update documentation.
9394 (flag_use_cxa_get_exception_ptr): New.
9395 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9396 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9398 (C_COMMON_OVERRIDE_OPTIONS): New.
9400 2006-02-24 Roger Sayle <roger@eyesopen.com>
9403 * combine.c (try_combine): Explicitly check whether GET_CODE is
9404 a SET or a CLOBBER, instead on checking that it isn't a USE.
9406 2006-02-24 Roger Sayle <roger@eyesopen.com>
9408 * fold-const.c (fold_comparison): New subroutine of fold_binary
9409 containing transformations common to both the equality and
9410 ordering relational operators, factored out of fold_binary.
9411 (fold_binary): Separate out the equality operators (EQ_EXPR
9412 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9413 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9414 transformations common to both.
9415 (fold_div_compare): Fix latent bugs in the previously unreachable
9416 LT_EXPR and GE_EXPR cases.
9418 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9420 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9421 decl libname for clog to __clog on AIX.
9423 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9425 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9428 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9429 output traceback table for thunks. Localise rs6000_stack_info call.
9431 2006-02-23 Roger Sayle <roger@eyesopen.com>
9432 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9434 * gthr-posix.h (__gthrw): Fix typo in comment.
9436 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9438 * doc/cpp.texi (Character sets): Document that we do support
9439 input files to be in any character set.
9441 2006-02-23 Jeff Law <law@redhat.com>
9443 * tree.h (PHI_ARG_NONZERO): Remove.
9444 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9445 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9446 node to the new node.
9448 PR tree-optimization/26425
9449 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9450 min/max, then assume its varying.
9452 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9454 PR rtl-optimization/26316
9455 * rtlanal.c (enum may_trap_p_flags): New.
9456 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9457 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9458 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9459 (may_trap_after_code_motion_p): New function.
9460 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9461 (find_invariant_insn): Use may_trap_after_code_motion_p.
9462 * rtl.h (may_trap_after_code_motion_p): Declare.
9464 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9466 * emit-rtl.c (immed_double_const): Cleanup.
9468 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9470 Fix PR tree-optimization/26376
9471 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9474 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9477 * gimplify.c (omp_add_variable): Guard variable size decl test with
9478 DECL_SIZE (decl) check.
9480 2006-02-23 Richard Guenther <rguenther@suse.de>
9483 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9484 like aggregate types.
9486 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9488 * configure.ac: Add --with{,out}-long-double-128 configure option.
9489 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9490 * configure: Rebuilt.
9491 * config.in: Rebuilt.
9492 * doc/install.texi (Options specification): Document
9493 --with-long-double-128.
9495 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9496 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9497 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9498 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9500 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9502 * config/s390/s390.c (override_options): Handle
9503 TARGET_DEFAULT_LONG_DOUBLE_128.
9505 * config/alpha/alpha.c (override_options): Handle
9506 TARGET_DEFAULT_LONG_DOUBLE_128.
9508 * config/sparc/sparc.c (sparc_override_options): Handle
9509 TARGET_DEFAULT_LONG_DOUBLE_128.
9511 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9513 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9514 (real-install-headers-tar, real-install-headers-cpio)
9515 (real-install-headers-cp): New targets.
9517 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9519 * tree.h (variable_section): Delete.
9520 * varasm.c (variable_section): Delete.
9522 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9524 * install.texi: Add notes on install.texi2html.
9525 (Building in parallel): Do not use footnotes.
9527 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9530 * doc/install.texi (Configuration): Document --disable-libgomp.
9532 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9534 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9536 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9538 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9539 (vec_extractv2df_0_sse): New.
9541 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9543 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9544 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9545 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9546 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9547 to the result of the expression.
9548 (def_cfa_1): Adjust.
9549 (frame_pointer_cfa_offset): Rename to...
9550 (frame_pointer_fb_offset): ... this. Adjust all uses.
9551 (convert_cfa_to_loc_list): Rename to...
9552 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9553 Pass it on to build_cfa_loc.
9554 (compute_frame_pointer_to_cfa_displacement): Rename to...
9555 (compute_frame_pointer_to_fb_displacement): ... this. New
9556 offset parameter. Use it in computation.
9557 (gen_subprogram_die): Compute cfa_fb_offset with the new
9558 macro, and use it to compute the fb loc list and the
9561 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9563 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9564 replaced with register_operand.
9565 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9566 non-DREG is expensive.
9567 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9568 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9571 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9573 * doc/install.texi2html: Use set -e.
9575 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9577 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9578 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9579 * doc/invoke.texi (-fshared-data): Delete.
9580 * common.opt (fshared-data): Delete.
9581 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9582 (assemble_static_space): Remove #if 0 code.
9583 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9584 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9585 * config/cris/cris.h: Remove FIXME.
9587 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9589 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9592 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9595 * combine.c (simplify_shift_const_1): Disable nested shifts
9596 optimization for vector shifts.
9598 2006-02-20 Roger Sayle <roger@eyesopen.com>
9600 PR tree-optimization/26361
9601 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9602 of unsigned integer types.
9604 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9606 * tree-chrec.c (eq_evolutions_p): New.
9607 * tree-chrec.h (eq_evolutions_p): Declared.
9608 * tree-data-ref.c: Fix formatting.
9609 (datadep_stats, dependence_stats): New.
9611 (print_direction_vector): New.
9612 (dump_data_dependence_relation): Use print_direction_vector.
9613 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9614 (compute_subscript_distance): Static.
9615 (initialize_data_dependence_relation): Static. Get the number
9616 of loops surrounding the references from the callers, and initialize
9617 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9618 base_object_differ_p analyzers.
9619 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9620 compute_overlap_steps_for_affine_1_2,
9621 analyze_subscript_affine_affine): Count the classified dependences.
9622 Print a message when a test failed.
9623 (can_use_analyze_subscript_affine_affine): New.
9624 (analyze_siv_subscript): Compute the data dependences on symbolic
9625 scevs that verify can_use_analyze_subscript_affine_affine.
9626 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9627 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9628 Handle symbolic scevs.
9629 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9631 (subscript_dependence_tester): Moved...
9632 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9633 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9634 DDR_SIZE_VECT instead of getting it in parameter.
9635 (subscript_dependence_tester): ... here. Take as a parameter
9636 loop_nest_depth. Call build_classic_dist_vector and
9637 build_classic_dir_vector.
9638 (compute_affine_dependence): Update subscript_dependence_tester
9639 parameters. Update datadep_stats counters. Call
9640 compute_subscript_distance.
9641 (compute_self_dependence): Save the dist and dir vectors. Call
9642 compute_subscript_distance.
9643 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9644 (compute_all_dependences): Reorder parameters as they were before
9645 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9646 compute_subscript_distance. Update the use of
9647 compute_affine_dependence and initialize_data_dependence_relation.
9648 (find_data_references_in_loop): Handle COMPONENT_REF.
9649 (compute_data_dependences_for_loop): Initialize dependence_stats.
9650 Don't call build_classic_dist_vector and build_classic_dir_vector.
9651 Update the parameters of initialize_data_dependence_relation and
9652 compute_all_dependences. Print the statistics from datadep_stats.
9653 (analyze_all_data_dependences): Static. Not used until the pass for
9654 checking the data dependences is contributed.
9655 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9656 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9657 (initialize_data_dependence_relation, compute_affine_dependence,
9658 analyze_all_data_dependences, compute_subscript_distance): Removed.
9659 (print_direction_vector): New.
9660 * lambda.h (gcd): ... here.
9661 (lambda_vector_gcd): Moved here from gcd_vector.
9662 * lambda-code.c (gcd, gcd_vector): Removed.
9663 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9664 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9666 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9668 * ipa-type-escape.c: Tidy some comments and white space.
9669 * tree-ssa-operands.c: Likewise.
9671 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9674 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9675 (dump_decl_name): Do not walk the decl tree chains.
9676 * tree-pass.h (TDF_CHAIN): Remove.
9678 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9680 * Makefile.in (C): Remove
9682 (.PHONY): Remove C and PROTO
9684 2006-02-20 Roger Sayle <roger@eyesopen.com>
9687 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9688 deprecated CHAR_TYPE tree code.
9690 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9692 * configure.ac (target_list): Add install-info, dvi, html.
9693 * configure: Regenerate.
9695 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9696 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9697 treelang/Make-lang.in: Do not use double-colon rules.
9699 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9701 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9702 (TMT_USED_ALONE): New macro.
9703 * tree-pass.h (PROP_tmt_usage): New property.
9704 (TODO_update_tmt_usage): New todo.
9705 * tree-ssa-alias.c (updating_used_alone): New variable.
9706 (recalculate_used_alone): New function.
9707 (compute_may_aliases): Set updating_used_alone, call
9708 recalculate_used_alone.
9709 * tree-sra.c (pass_sra): Note that this pass destroys
9710 PROP_tmt_usage, and add TODO_update_tmt_usage.
9711 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9712 * tree-flow.h (updating_used_alone): Prototype.
9713 (recalculate_used_alone): Ditto.
9714 * passes.c (execute_todo): Add code to set updating_used_alone,
9715 and call recalculate.
9716 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9717 for clobber if used alone, and add assert to verify used_alone
9720 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9722 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9723 for non tls symbols added.
9724 (legitimize_address): Do nothing for PLUS expressions if one of the
9725 addends is a tls symbol reference.
9727 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9731 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9733 * Makefile.in (BOOTSTRAPPING): New.
9734 (quickstrap): New definition if BOOTSTRAPPING=yes.
9736 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9737 * configure.ac: Substitute all_selected_languages with the languages
9738 that were configured. For all the other variables except
9739 lang_specs_files, include all the languages in the tree.
9740 * configure: Regenerate.
9742 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9743 if there is one. Run the commands to run fixincludes in the same
9746 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9747 * doc/install.texi: Document exact conventions for searching target tools.
9748 Document --with-build-time-tools. Document toplevel bootstrap. Document
9749 something more about building an Ada cross-compiler. Don't list GNU Make
9750 requirements which affect all platforms.
9752 2006-02-19 Roger Sayle <roger@eyesopen.com>
9755 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9756 only equivalent if the have both the same mode and precision.
9758 2006-02-20 Ben Elliston <bje@au.ibm.com>
9760 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9762 2006-02-19 Roger Sayle <roger@eyesopen.com>
9763 Steven Bosscher <stevenb.gcc@gmail.com>
9765 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9766 constant pool references to identify stack mode constants.
9767 * rtlanal.c (constant_pool_constant_p): New predicate to check
9768 whether operand is a floating point constant in the pool.
9769 * rtl.h (constant_pool_constant_p): Prototype here.
9770 * loop.c (scan_loop): Avoid hoisting constants from the constant
9771 pool on STACK_REGS targets.
9772 (load_mems): Likewise.
9773 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9774 loads into x87 registers expensive in terms of register pressure.
9776 2006-02-19 Roger Sayle <roger@eyesopen.com>
9778 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9779 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9781 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9783 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9784 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9786 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9788 * doc/invoke.texi: Document -fipa-pta.
9789 * common.opt: Add ipa-pta option.
9790 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9791 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9792 (do_ds_constraint): Ditto.
9793 (get_constraint_for): Only add to referenced_vars if
9794 referenced_vars exists.
9795 (insert_into_field_list): Rewrite to do this unsorted.
9796 (insert_into_field_list_sorted): Rename old insert_into_field_list
9798 (create_function_info_for): Use insert_into_field_list_sorted.
9799 (create_variable_info_for): Rewrite so it uses unsorted version,
9800 since the field list is sorted.
9801 (intra_create_variable_infos): Only add to referenced_vars if
9802 referenced_vars exists.
9803 (ipa_pta_execute): Init heapvars, and delete when done.
9804 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9806 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9808 * doc/install.texi: Add missing `@samp'.
9810 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9812 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9815 2006-02-18 Mark Wielaard <mark@klomp.org>
9817 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9818 who added new 4.1 features, bug fixes and integration support.
9820 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9823 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9826 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9828 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9829 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9830 (copy_insn_1): Likewise. Don't copy each field individually.
9832 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9834 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9835 * rtl.c (rtx_size): Rename variable to...
9836 (rtx_code_size): ...this.
9837 (rtx_size): New function.
9838 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9839 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9841 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9842 * rtl.h (rtx_code_size): New variable.
9843 (rtx_size): Change from a variable to a function.
9844 (RTX_SIZE): Rename to...
9845 (RTX_CODE_SIZE): ...this.
9848 PR tree-optimization/17106
9849 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9850 (Anchored Addresses): New section.
9851 * doc/invoke.texi (-fsection-anchors): Document.
9852 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9853 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9854 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9855 * hooks.c (hook_bool_mode_rtx_false): New function.
9856 * hooks.h (hook_bool_mode_rtx_false): Declare.
9857 * gengtype.c (create_optional_field): New function.
9858 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9859 SYMBOL_REF_IN_BLOCK_P is true.
9860 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9861 (min_anchor_offset, max_anchor_offset): Likewise.
9862 (use_anchors_for_symbol_p): New hook.
9863 * toplev.c (compile_file): Call output_object_blocks.
9864 (target_supports_section_anchors_p): New function.
9865 (process_options): Check that -fsection-anchors is only used on
9866 targets that support it and when -funit-at-a-time is in effect.
9867 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9868 if the decl doesn't have one.
9869 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9870 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9871 of force_const_mem through use_anchored_address.
9872 (expand_expr_constant): New function.
9873 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9874 calling expand_expr for INDIRECT_REF.
9875 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9876 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9877 * expr.h (use_anchored_address): Declare.
9878 * loop-unroll.c: Don't declare rtx vectors here.
9879 * explow.c: Include output.h.
9880 (validize_mem): Call use_anchored_address.
9881 (use_anchored_address): New function.
9882 * common.opt (-fsection-anchors): New switch.
9883 * varasm.c (object_block_htab, anchor_labelno): New variables.
9884 (hash_section, object_block_entry_eq, object_block_entry_hash)
9885 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9886 (use_blocks_for_decl_p, change_symbol_section): New functions.
9887 (get_variable_section): New function, split out from assemble_variable.
9888 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9889 use_blocks_for_decl_p say so. Use change_symbol_section if the
9890 symbol has already been created.
9891 (assemble_variable_contents): New function, split out from...
9892 (assemble_variable): ...here. Don't output any code for
9893 block symbols; just pass them to place_block_symbol.
9894 Use get_variable_section and assemble_variable_contents.
9895 (get_constant_alignment, get_constant_section, get_constant_size): New
9896 functions, split from output_constant_def_contents.
9897 (build_constant_desc): Create a block symbol if use_object_blocks_p
9898 says so. Or into SYMBOL_REF_FLAGS.
9899 (assemble_constant_contents): New function, split from...
9900 (output_constant_def_contents): ...here. Don't output any code
9901 for block symbols; just pass them to place_section_symbol.
9902 Use get_constant_section and get_constant_alignment.
9903 (force_const_mem): Create a block symbol if use_object_blocks_p and
9904 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9905 (output_constant_pool_1): Add an explicit alignment argument.
9906 Don't switch sections here.
9907 (output_constant_pool): Adjust call to output_constant_pool_1.
9908 Switch sections here instead. Don't output anything for block symbols;
9909 just pass them to place_block_symbol.
9910 (init_varasm_once): Initialize object_block_htab.
9911 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9912 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9913 (place_block_symbol, get_section_anchor, output_object_block)
9914 (output_object_block_htab, output_object_blocks): New functions.
9915 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9916 (TARGET_ASM_OUT): Include it.
9917 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9918 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9919 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9920 (TARGET_INITIALIZER): Include them.
9921 * rtl.c (rtl_check_failed_block_symbol): New function.
9922 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9923 (block_symbol, object_block): New structures.
9924 (rtx_def): Add a block_symbol field to the union.
9925 (BLOCK_SYMBOL_CHECK): New macro.
9926 (rtl_check_failed_block_symbol): Declare.
9927 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9928 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9929 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9930 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9931 * output.h (output_section_symbols): Declare.
9932 (object_block): Name structure.
9933 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9934 (default_use_anchors_for_symbol_p): Declare.
9935 * Makefile.in (RTL_BASE_H): Add vec.h.
9936 (explow.o): Depend on output.h.
9937 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9938 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9939 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9940 (rs6000_use_blocks_for_constant_p): New function.
9942 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9944 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9946 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9949 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9952 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9954 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9958 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9961 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9962 instead of DECL_REGISTER.
9964 2006-02-18 Olivier Hainque <hainque@adacore.com>
9967 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9969 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9972 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9973 * opth-gen.awk: Handle Var and InverseMask together.
9974 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9975 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9976 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9977 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9979 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9980 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9981 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9982 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9983 LINUX_DYNAMIC_LINKER): Define.
9984 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9985 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9987 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9988 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9989 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9990 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9991 (TARGET_C99_FUNCTIONS): Don't define.
9992 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9993 GLIBC_DYNAMIC_LINKER.
9994 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9995 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9996 GLIBC_DYNAMIC_LINKER64): Define.
9997 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9998 LINUX_DYNAMIC_LINKER64.
9999 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10000 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10001 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10002 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10003 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10004 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10005 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10006 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10007 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10008 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10009 and LINUX_DYNAMIC_LINKER32.
10010 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10011 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10012 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10013 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10014 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10016 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10017 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10018 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10019 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10020 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10021 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10022 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10023 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10024 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10025 LINUX_DYNAMIC_LINKER): Define.
10026 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10027 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10028 GLIBC_DYNAMIC_LINKER64): Define.
10029 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10030 LINUX_DYNAMIC_LINKER64.
10031 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10032 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10033 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10034 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10035 LINUX_DYNAMIC_LINKER): Define.
10036 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10037 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10038 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10039 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10040 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10041 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10042 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10043 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10044 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10045 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10046 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10047 * doc/invoke.texi (-muclibc): Remove caveat about supported
10050 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10052 * doc/cpp.texi (__TIMESTAMP__): Document.
10054 2006-02-17 Roger Sayle <roger@eyesopen.com>
10056 PR middle-end/25600
10057 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10058 C is one less than the width of X (and related transformations).
10059 * simplify-rtx.c (simplify_unary_operation_1): Transform
10060 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10061 depending on STORE_FLAG_VALUE, were C is one less then the
10064 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10066 Fix PR tree-optimization/26341
10067 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10068 about NAME_MEMORY_TAG's.
10070 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10073 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10074 with hardware float support, and software float support. Add fcpy
10075 alternative to hardware patterns. Add alternatives to copy between
10076 general and floating-point registers to the 32-bit pattern.
10077 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10078 secondary reload to load a QI or HI mode constant into a floating
10080 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10081 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10083 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10086 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10088 (load_macho_picbase_di): Likewise.
10090 2006-02-16 Jeff Law <law@redhat.com>
10092 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10093 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10094 (ssa_name_nonzero_p): Likewise.
10095 (get_value_range): Return NULL if VRP is not running.
10096 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10097 VRP routines do not discover a range.
10098 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10099 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10100 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10101 (tree_expr_nonnegative_p): Similarly.
10102 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10103 (restore_nonzero_vars_to_original_value): Remove.
10104 (unsafe_associative_fp_binop): Remove.
10105 (tree_ssa_dominator_optimize): Remove initialization and
10106 finalization of nonzero_vars and nonzero_vars_stack.
10107 (dom_opt_initialize_block): No longer push marker on
10108 nonzero_vars_stack.
10109 (dom_opt_finalize_block): No longer call
10110 restore_nonzero_vars_to_original_value.
10111 (record_equivalences_from_phis): No longer look for
10112 nonzero PHI arguments.
10113 (cprop_into_successor_phis): No longer propagate nonzero
10114 property into PHI arguments. Lose unused argument. Caller
10116 (record_equivalences_from_stmt): No longer record nonzero
10117 values for SSA_NAMEs.
10118 (lookup_avail_expr): No longer use nonzero_vars.
10120 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10121 for sizetype when sizetype is unsigned.
10123 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10125 PR rtl-optimization/25603
10126 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10127 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10128 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10129 with new meaning of SETS.
10131 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10136 * config/linux.opt: New file.
10137 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10138 LINUX_DYNAMIC_LINKER): Define.
10139 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10140 * config.gcc (*-*-linux*): Define extra_options.
10141 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10142 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10143 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10144 GLIBC_DYNAMIC_LINKER.
10145 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10146 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10147 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10148 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10149 * doc/invoke.texi (GNU/Linux Options): New section.
10151 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10153 * config/sparc/sparc.md (setjmp): Rewrite.
10154 (setjmp_32): Delete.
10155 (setjmp_64): Likewise.
10157 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10159 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10162 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10164 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10167 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10169 PR rtl-optimization/26296
10170 * Makefile.in (loop-invariant.c): Add except.h dependency.
10171 * loop-invariant.c: Include except.h.
10172 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10174 2005-02-16 Paul Brook <paul@codesourcery.com>
10176 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10179 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10181 PR rtl-optimization/25636
10182 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10183 when deciding whether an insn is an initializing insn.
10185 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10187 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10188 (tree_code_size): Ditto.
10189 * tree.h (struct tree_memory_tag): Remove parent_var.
10190 (struct tree_struct_field_tag): New.
10193 (union tree_node): Add sft member.
10194 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10196 (create_sft): Add size and offset argument, set SFT_OFFSET and
10198 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10199 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10200 * tree-flow-inline.h (get_subvar_at): Update for
10201 SFT_OFFSET/SFT_SIZE.
10202 (var_can_have_subvars): Ditto.
10203 (overlap_subvar): Ditto.
10204 * print-tree.c (print_node): Print out interesting things for
10206 * tree-flow.h (struct subvar): Remove offset and size members.
10207 * tree-ssa-operands.c (get_expr_operands): Update for
10208 get_indirect_ref_operands changes.
10209 (get_indirect_ref_operands): Call add_virtual_operand instead of
10210 add_stmt_operand. Only recurse on base var if requested.
10211 (access_can_touch_variable): New function.
10212 (add_stmt_operand): Split virtual operand handling into ...
10213 (add_virtual_operand): Here. Add offset, size, and for_clobber
10214 arguments. Prune alias sets.
10215 (add_call_clobber_ops): Call add_virtual_operand.
10217 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10219 PR middle-end/26300
10220 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10222 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10223 than TREE_CODE as index into omp_clause_num_ops array.
10225 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10227 PR rtl-optimization/26184
10228 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10230 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10231 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10232 must_precede, must_follow and tobe_scheduled.
10235 * opts.c (common_handle_option): Free new_option pointer.
10236 * df-core.c (df_analyze): Free postorder pointer.
10238 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10240 * Makefile.in: Fix the examples about the use of stamps
10242 2006-02-15 Michael Matz <matz@suse.de>
10244 PR middle-end/22275
10246 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10247 influenced by maximum_field_alignment or DECL_PACKED.
10248 (update_alignment_for_field): Ditto.
10249 (place_field): Ditto.
10250 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10253 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10255 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10256 (debug_flow_info): Pass it.
10257 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10258 * bb-reorder.c (reorder_basic_blocks): Likewise.
10259 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10260 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10261 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10262 * gcse.c (gcse_main, bypass_jumps): Likewise.
10263 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10264 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10265 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10266 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10267 * rtl.h (dump_flow_info): Adjust prototype.
10268 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10269 * var-tracking.c (variable_tracking_main): Likewise.
10270 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10271 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10274 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10276 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10279 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10281 PR tree-optimization/26209
10282 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10283 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10285 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10287 2006-02-14 Roger Sayle <roger@eyesopen.com>
10289 PR middle-end/23670
10290 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10291 (X,Y) and the corresponding symmetry related transformations.
10292 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10293 (X,Y) and its symmetry related transformations.
10295 2006-02-14 Roger Sayle <roger@eyesopen.com>
10297 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10300 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10302 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10304 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10307 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10308 support COMDAT group.
10309 * configure: Regenerate.
10311 2006-02-14 Roger Sayle <roger@eyesopen.com>
10313 PR middle-end/26279
10314 PR middle-end/26280
10315 PR middle-end/26283
10316 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10318 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10320 Fix PR tree-optimization/26260
10322 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10324 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10325 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10326 * tree-ssa-structalias.c (create_variable_info_for): Use
10327 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10329 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10331 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10333 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10334 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10335 of the ending condition.
10336 * tree-ssa-loop-manip.c: Include params.h.
10337 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10338 tree_unroll_loop): New functions.
10339 * tree-pass.h (pass_loop_prefetch): Declare.
10340 * loop.c (rest_of_handle_loop_optimize): Test for
10341 -fprefetch-loop-arrays-rtl.
10342 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10343 * timevar.def (TV_TREE_PREFETCH): New timevar.
10344 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10345 pass_loop_prefetch): New.
10346 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10347 (cleanup_tree_cfg_loop): Call scev_reset.
10348 * common.opt (fprefetch-loop-arrays-rtl): Add.
10349 * tree-ssa-loop-prefetch.c: New file.
10350 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10351 (new_temp_expr_table): Initialize expr_vars.
10352 (free_temp_expr_table): Cleanup expr_vars.
10353 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10354 expressions from being merged into one.
10355 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10356 (struct tree_niter_desc): Add control, bound and cmp fields.
10357 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10359 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10360 (tree-cfgcleanup.o): Add SCEV_H dependency.
10361 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10362 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10364 2006-02-14 Richard Guenther <rguenther@suse.de>
10366 PR tree-optimization/26258
10367 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10368 in PHI argument processing.
10370 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10372 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10373 new expression in the requested machine mode.
10375 2006-02-13 Roger Sayle <roger@eyesopen.com>
10377 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10378 directly, instead let do_compare_rtx_and_jump handle this for us.
10379 * expr.c (expand_expr_real_1): Likewise.
10380 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10381 before do_jump_by_parts_greater.
10382 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10383 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10385 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10387 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10389 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10391 PR rtl-optimization/26235
10392 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10393 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10396 2006-02-13 Jeff Law <law@redhat.com>
10398 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10401 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10403 PR middle-end/26092
10404 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10405 twice if decl is a builtin. When trying again, call get_callee_fndecl
10406 first to verify it is still a builtin.
10408 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10410 * dwarf2out.c (base_type_die): Don't add AT_name here.
10411 (subrange_type_die): Don't add AT_name here.
10412 (modified_type_die): Rearrange code flow. Do add AT_name here.
10414 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10416 PR rtl-optimization/26247
10417 PR rtl-optimization/26248
10418 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10420 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10422 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10423 * config/fixtfdi.c: Likewise.
10424 * config/fixunstfdi.c: Likewise.
10425 * config/floatditf.c: Likewise.
10427 2006-02-13 Roger Sayle <roger@eyesopen.com>
10429 PR middle-end/24427
10430 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10431 into (X,C2) if C1 is a subset of the bits of C2. Transform
10432 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10434 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10436 2006-02-13 Josh Conner <jconner@apple.com>
10439 * varasm.c (function_section): Check for section name before
10440 calling select_section on targets that define
10441 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10442 unlikely_text_section instead of hot_function_section if
10443 first_function_block_is_cold.
10445 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10447 PR middle-end/25335
10448 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10450 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10452 PR rtl-optimization/26222
10453 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10454 after tree->rtl expansion.
10455 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10456 before passing it to emit_move_insn.
10458 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10460 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10462 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10463 Clarify documentation.
10464 * c-common.h (warn_write_strings): Remove.
10465 * c-common.c (warn_write_strings): Likewise.
10466 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10469 2006-02-12 Roger Sayle <roger@eyesopen.com>
10471 PR middle-end/25724
10472 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10473 (do_jump_parts_zero_rtx): New function renamed from
10474 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10475 (do_jump_parts_equality_rtx): New function split out from
10476 do_jump_parts_equality. Old implementation renamed as above.
10477 Call do_jump_parts_zero_rtx if either operand is zero.
10478 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10479 do all of the heavy lifting.
10480 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10481 calling either do_jump_by_parts_greater_rtx or
10482 do_jump_by_parts_equality_rtx.
10483 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10484 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10485 moved to do_compare_rtx_and_jump, call it directly.
10486 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10487 mode argument. Call do_compare_rtx_and_jump.
10488 (emit_case_nodes): Update calls to do_jump_if_equal.
10490 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10492 PR rtl-optimization/26225
10493 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10495 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10497 PR rtl-optimization/26232
10498 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10500 2006-02-11 Jason Merrill <jason@redhat.com>
10503 * tree-inline.c (declare_return_variable): Just don't use the
10504 modify target if it's a gimple complex reg and the return slot
10507 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10509 * doc/contrib.texi: Update my entry.
10511 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10513 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10515 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10517 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10520 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10522 * doc/invoke.texi (-floop-optimize2): Removed.
10523 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10524 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10525 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10526 * common.opt (floop-optimize2): Removed.
10527 (fmove-loop-invariants): Enabled by default.
10529 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10531 * tree-if-conv.c (combine_blocks): Free the result of
10532 get_loop_exit_edges.
10534 2006-02-10 Jeff Law <law@redhat.com>
10536 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10538 PR tree-optimization/26213
10539 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10540 loop trying to follow SSA_NAME_VALUE chains.
10542 2006-02-10 Richard Guenther <rguenther@suse.de>
10544 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10545 deal with structures that end in implicitly variable sized arrays.
10547 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10549 PR rtl-optimization/24762
10550 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10553 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10555 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10556 (struct ivopts_data): Add regs_used field.
10557 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10558 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10559 instead of loop_data->regs_used;
10560 (free_loop_data): Do not free aux fields for loops.
10561 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10562 and tree_ssa_iv_optimize_finalize.
10564 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10566 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10568 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10571 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10572 computing the effective result type.
10574 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10576 PR inline-asm/16194
10577 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10578 (tree_overlaps_hard_reg_set): Declare.
10579 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10580 type and signature to match function type expected by walk_tree.
10581 (tree_overlaps_hard_reg_set): New function.
10582 (decl_conflicts_with_clobbers_p): Rename to:
10583 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10584 Use tree_overlaps_hard_reg_set. Changed caller.
10585 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10586 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10587 * cris.c (cris_md_asm_clobbers): Likewise.
10589 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10591 * reload1.c (emit_input_reload_insns): Delete code that tries to
10592 inherit using find_equiv_reg.
10594 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10596 * c-common.h (flag_const_strings): Don't declare.
10597 * c-common.c (flag_const_strings): Remove.
10598 * c.opt (fconst_strings): Remove.
10599 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10600 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10601 (c_common_init_options): Don't set flag_const_strings.
10602 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10604 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10606 * arm.md (tlobits_cbranch): New pattern.
10607 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10608 testing a single bit.
10610 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10613 * tree-ssa-pre.c (create_component_ref_by_pieces):
10614 Handle RETURN_DECL like VAR_DECL.
10616 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10618 PR middle-end/26134
10619 * fold-const.c (fold_indirect_ref_1): Fold
10620 "*(foo *)&complexfoo" to "__real__ complexfoo"
10621 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10623 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10625 * tree-flow-inline.h (var_can_have_subvars):
10626 Volatile variables should not have subvariables.
10628 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10631 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10632 multiplying unsigned values.
10635 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10637 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10639 2006-02-08 Jason Merrill <jason@redhat.com>
10642 * tree.def: Elaborate on difference from MODIFY_EXPR.
10643 * doc/c-tree.texi (INIT_EXPR): Likewise.
10644 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10645 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10646 (gimplify_target_expr): Likewise.
10647 (gimplify_cond_expr): Remove target handling.
10648 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10649 (gimplify_expr): Clobber it here.
10650 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10651 Do return slot optimization if we have an INIT_EXPR.
10654 * tree-inline.c (declare_return_variable): Also clear
10655 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10658 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10660 PR middle-end/22439
10661 * gimplify.c (gimplify_one_sizepos): Fix typo.
10663 2006-02-08 Jeff Law <law@redhat.com>
10665 PR tree-optimization/21417
10666 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10667 across a backedge if the control statement at the end of the
10668 block is data dependent on other statements in the same block.
10669 (record_temporary_equivalences_from_stmts): Remove over-conservative
10670 test for threading across backedges.
10672 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10673 control statement, handle all three special cases in the same
10674 manner as they all have the same desired solution. No longer
10675 special case edge flag updating when the post dominator is
10678 2006-02-08 Roger Sayle <roger@eyesopen.com>
10680 * tree.def (CHAR_TYPE): Remove.
10681 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10682 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10683 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10684 (gen_string_type_die): Delete unreachable function.
10686 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10687 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10688 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10689 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10690 * builtins.c (type_to_class): Likewise.
10691 * fold-const.c (fold_convert, build_range_check,
10692 merge_ranges): Likewise.
10693 * expr.c (count_type_elements): Likewise.
10694 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10695 * stor-layout.c (layout_type): Likewise.
10696 * ipa-type-escape.c (type_to_consider): Likewise.
10697 * gimplify.c (omp_firstprivatize_type_sizes,
10698 gimplify_type_sizes): Likewise.
10699 * explow.c (promote_mode): Likewise.
10700 * tree-sra.c (is_sra_scalar_type): Likewise.
10701 * varasm.c (output_constant): Likewise.
10702 * tree-inline.c (remap_type_1): Likewise.
10703 * convert.c (convert_to_pointer, convert_to_real,
10704 convert_to_integer, convert_to_complex): Likewise.
10706 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10708 * df-scan.c (df_def_record_1): A set destination may
10709 be a parallel regardless of mode.
10711 2006-02-08 Roger Sayle <roger@eyesopen.com>
10714 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10715 * config/mips/_tilib.c: Remove.
10716 * config/fixtfdi.c: New libgcc source file.
10717 * config/fixunstfdi.c: New source file.
10718 * config/floatditf.c: New source file.
10719 * config/floatunditf.c: New souce file.
10720 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10721 files above instead of config/mips/_tilib.c.
10722 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10724 2006-02-08 Jeff Law <law@redhat.com>
10726 PR tree-optimization/26169
10727 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10730 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10732 * df.h (DF_REG_SIZE): Return the length of the initialized
10735 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10737 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10738 __muldf3): Return a correctly signed zero.
10740 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10742 * passes.c (register_one_dump_file): Accept the current properties
10743 instead of pass number. Adjust call to dump_register. Remove
10745 (register_dump_files): Now a wrapper around...
10746 (register_dump_files_1): ... this one. Do not modify the pass
10748 (next_pass_1): Cosmetic fix.
10749 (execute_todo): Keep second parameter only. Use curr_properties
10750 instead of fetching it from the pass structure. Check and set
10752 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10753 instead of fetching it from the pass structure. Fix calls to
10754 execute_todo. Update curr_properties and initialize .vcg RTL dump
10755 after running the pass. Reset last_verified.
10756 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10758 (FIRST_AUTO_NUMBERED_DUMP): New.
10759 (dump_register): Remove "num" parameter, assign it within the
10761 (get_dump_file_name): Modify template for dumps.
10762 * tree-dump.h (dump_register): Adjust prototype.
10763 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10764 (PROP_trees): Add PROP_gimple_lomp.
10765 (TODO_set_props): New.
10766 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10767 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10768 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10770 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10772 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10773 (sparc64-*-linux*): Likewise.
10774 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10775 * config/sparc/t-linux: New file.
10776 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10777 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10778 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10779 -m32 -mlong-double-128.
10781 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10782 * config/alpha/t-linux: New file.
10783 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10785 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10786 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10787 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10788 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10789 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10790 (CPP_ARCH32_SPEC): Remove.
10792 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10794 PR tree-optimization/26145
10795 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10798 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10801 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10802 >= 240000 when generating code for SOM runtime.
10803 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10804 to $$dyncall when generating code for SOM runtime..
10806 2006-02-07 Dirk Mueller <dmueller@suse.com>
10809 * doc/invoke.texi (-Wsequence-point): Update documentation
10810 that -Wsequence-point is implemented for C++ as well.
10812 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10814 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10815 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10816 (LIB_SPEC): Likewise.
10817 * doc/invoke.texi (SPARC options): Document -pthread.
10819 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10821 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10824 2006-02-07 Roger Sayle <roger@eyesopen.com>
10826 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10827 Correct comment describing BOOLEAN_TYPE.
10829 2006-02-07 Dirk Mueller <dmueller@suse.com>
10831 * c.opt: C++ frontend supports -Wdiv-by-zero.
10832 * c-opts.c (c_common_handle_option): Remove dead case.
10834 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10836 * configure.ac (TLS assembler check): Do not enable TLS by
10837 default on SPARC/Solaris before version 10.
10838 * configure: Regenerate.
10840 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10842 * doc/invoke.texi (xl-compat): Document conversion and support
10845 2006-02-07 Jeff Law <law@redhat.com>
10847 * tree-vrp.c (find_conditional_asserts): Update comments.
10848 (simplify_stmt_for_jump_threading): New.
10849 (identify_jump_threads, finalize_jump_threads): New.
10850 (vrp_finalize): Call identify_jump_threads.
10851 (execute_vrp): Call finalize_jump_threads.
10852 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10853 (vrp_element, vrp_data, vrp_element_p): Remove.
10854 (vrp_hash_elt, vrp_variables_stack): Remove.
10855 (vrp_hash, vrp_eq, record_range): Remove.
10856 (simplify_cond_and_lookup_avail_expr): Remove.
10857 (extract_range_from_cond): Remove.
10858 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10859 (simplify_stmt_for_jump_threading): New.
10860 (dom_thread_across_edge): New wrapper.
10861 (tree_ssa_dominator_optimize): No longer initialize or
10862 finalize any of the VRP datastructures. Remove iteration
10863 step and simplify as a result of removal of iteration step.
10864 (pass_dominator): Perform a cfg cleanup after DOM.
10865 (dom_opt_finalize_block): Use the new common routines
10866 for threading jumps. Simplify stack management slightly.
10867 No longer need to unwind VRP state.
10868 (record_equivalences_from_incoming_edge): No longer record
10870 (eliminate_redundant_computations): No longer call
10871 simplify_cond_and_lookup_avail_expr.
10872 * tree-flow.h (potentially_threadable_block): Prototype.
10873 (thread_across_edge): Likewise.
10874 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10875 (tree-ssa-threadedge.o): Add dependencies.
10876 * tree-ssa-threadedge.c: New file.
10877 * passes.c (init_optimization_passes): Merge PHIs before
10878 calling VRP. Run VRP again late in the SSA optimization pipeline.
10880 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10882 * df-core.c (df_set_blocks): Do not dereference function pointers.
10883 (df_finish1): Likewise.
10884 (df_hybrid_search_forward): Likewise.
10885 (df_hybrid_search_backward): Likewise.
10886 (df_iterative_dataflow): Likewise.
10887 (df_analyze_problem): Likewise.
10888 (df_compact_blocks): Likewise.
10889 (df_dump): Likewise.
10890 * df-scan.c (df_rescan_blocks): Likewise.
10891 (df_record_entry_block_defs): Likewise.
10893 * genconditions.c (write_conditions): Guard the definition of
10894 'insn_conditions' with the check on GCC version.
10895 (write_writer): Guard the traversal 'insn_conditions' with
10896 the check on GCC version.
10898 2006-02-07 Richard Guenther <rguenther@suse.de>
10902 2006-01-30 Richard Guenther <rguenther@suse.de>
10904 * gimplify.c (gimplify_target_expr): Handle easy cases
10905 without creating a temporary.
10907 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10909 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10910 use of float in probability computations. Use edge probabilities
10911 in place of statically computed probabilities.
10912 (min_spec_prob): New static variable.
10913 (schedule_insns): Initialize it.
10914 (GET_SRC_PROB): Removed.
10915 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10917 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10920 * config/ia64/unwind-ia64.c: Revert last change.
10921 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10922 (INCOMING_FRAME_SP_OFFSET): Define.
10924 2006-02-06 Roger Sayle <roger@eyesopen.com>
10926 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10928 2006-02-07 Ben Elliston <bje@au.ibm.com>
10930 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10931 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10932 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10933 (ix86_return_in_memory): Handle TDmode.
10934 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10935 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10937 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10939 * reorg.c (dbr_schedule): Use dump_file instead of file.
10941 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10944 * config/ia64/predicates.md (extr_len_operand): New predicate.
10945 * config/ia64/ia64.md (extv): Tighten constraints.
10947 (*tbit_and_2): Ditto.
10948 (*tbit_and_3): Ditto.
10949 (*tbit_or_2): Ditto.
10950 (*tbit_or_3): Ditto.
10951 (*bit_zero): Ditto.
10954 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10957 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10959 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10961 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10962 loop_optimizer_init and loop_optimizer_finalize
10963 * tree-ssa-sink.c (execute_sink_code): Ditto.
10964 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10965 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10966 tree_ssa_loop_done): Ditto.
10967 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10968 * sched-ebb.c: Include output.h.
10969 (schedule_ebbs): Do not use dump argument.
10970 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10971 * loop.c (loop_dump_stream): Removed.
10972 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10974 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10975 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10976 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10977 loop_iterations, strength_reduce, record_biv, record_giv,
10978 final_giv_value, check_final_value, check_ext_dependent_givs,
10979 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10980 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10981 dump_file instead of loop_dump_stream.
10982 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10983 argument dump_file.
10984 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10986 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10987 * haifa-sched.c: Include output.h
10988 (schedule_insns, sched_init): Do not use dump argument.
10989 * mode-switching.c (optimize_mode_switching): Ditto.
10990 * modulo-sched.c (stats_file): Removed.
10991 (print_node_sched_params): Do not call argument dump_file.
10992 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10993 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10995 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10997 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10998 rtl_loop_init, rtl_loop_done): Ditto.
10999 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11000 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11002 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11003 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11004 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11005 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11006 * emit-rtl.c (renumber_insns): Ditto.
11007 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11008 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11009 * regclass.c (regclass): Ditto.
11010 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11011 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11012 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11013 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11015 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11016 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11018 * gcse.c (gcse_file, debug_stderr): Removed.
11019 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11020 rest_of_handle_gcse): Do not use dump argument.
11021 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11022 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11023 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11024 compute_code_hoist_vbeinout, compute_code_hoist_data,
11025 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11026 compute_store_table, build_store_vectors, insert_insn_start_bb,
11027 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11028 store_motion): Use dump_file instead of gcse_file.
11029 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11030 * profile.c (profile_dump_file): Removed.
11031 (branch_prob): Use dump_file instead of profile_dump_file.
11032 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11034 * tree-ssa-copy.c (dump_copy_of): Ditto.
11035 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11036 dump file to life_analysis.
11037 * bt-load.c (branch_target_load_optimize): Ditto.
11038 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11040 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11041 regclass, dbr_schedule): Declaration changed.
11042 * sched-int.h (sched_init): Declaration changed.
11043 * tree-profile.c (tree_profile_dump_file): Removed.
11044 (tree_profile_hooks): Removed profile_dump_file hook.
11045 * rtl-profile (rtl_profile_dump_file): Removed.
11046 (rtl_profile_hooks): emoved profile_dump_file hook.
11047 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11049 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11050 * tree-cfg.c (build_tree_cfg): Ditto.
11051 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11052 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11053 Declaration changed.
11054 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11055 life_analysis and schedule_insns.
11056 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11058 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11060 * config/mips/mips.c (mips_reorg): Ditto.
11061 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11064 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11066 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11067 (s390_mangle_fundamental_type): New.
11068 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11071 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11072 (alpha_mangle_fundamental_type): New.
11073 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11076 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11078 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11080 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11081 (sparc_mangle_fundamental_type): New.
11083 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11085 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11086 (s390x-*-linux*): Likewise.
11087 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11088 * config/s390/t-linux: New file.
11090 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11092 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11093 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11095 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11097 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11098 (ANTIC_SAFE_LOADS): New macro.
11099 (find_or_generate_expression): Add prototype.
11100 (set_contains_value): Allow null set for sake of not always having
11101 to allocate ANTIC_SAFE_LOADS.
11102 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11103 Allow COMPONENT_REF too.
11104 (valid_in_set): Allow COMPONENT_REF.
11105 Check ANTIC_SAFE_LOADS too.
11106 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11107 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11109 (can_PRE_operation): Add COMPONENT_REF.
11110 (create_component_ref_by_pieces): New function.
11111 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11112 (insert_aux): Move AGGREGATE_TYPE_P check here.
11113 (compute_avail): Set bb local stmt uids.
11114 (pass_pre): Use TODO_update_ssa_only_virtuals.
11116 2006-02-06 Ben Elliston <bje@au.ibm.com>
11118 * configure.ac: Unconditionally disable decimal float by default.
11119 * configure: Regenerate.
11121 2006-02-06 Ben Elliston <bje@au.ibm.com>
11123 * read-rtl.c (read_name): Terminate reading on EOF.
11125 2006-02-06 Ben Elliston <bje@au.ibm.com>
11127 * dfp.c (decimal_real_arithmetic): Change second argument type
11128 from int to enum tree_code. Do not always return true, but now
11129 return result of any call to decimal_do helper functions.
11130 * dfp.h (decimal_real_arithmetic): Update prototype.
11132 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11134 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11136 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11139 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11142 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11144 * tree-vrp.c (cfg_loops): Removed.
11145 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11146 Use current_loops instead of cfg_loops. Pass flags to
11147 loop_optimizer_init.
11148 * cfgloopmanip.c (fix_loop_structure): Update only available
11150 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11151 loop_optimizer_init.
11152 * modulo-sched.c (build_loops_structure): Removed.
11153 (sms_schedule): Use loop_optimizer_init.
11154 * loop-init.c (loop_optimizer_init): Use flags to determine
11155 which properties of loops to prepare.
11156 (rtl_loop_init): Pass flags to loop_optimizer_init.
11157 * tree-ssa-sink.c (execute_sink_code): Ditto.
11158 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11159 * tree-ssa-pre.c (init_pre): Ditto.
11160 * cfgloop.h (LOOPS_NORMAL): New.
11161 (loop_optimizer_init): Declaration changed.
11163 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11165 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11166 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11168 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11170 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11172 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11173 * pa/t-pa64: Delete quadlib.c rule.
11174 * pa/x-ada: Revert last change.
11175 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11177 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11179 PR rtl-optimization/26087
11180 * rtlanal.c (canonicalize_condition): Do not cross basic block
11183 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11186 * config/ia64/ia64.c: Include debug.h.
11187 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11188 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11189 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11190 (process_epilogue, process_set, process_for_unwind_directive):
11191 Output unwind info only if requested. Add CFA info if requested.
11192 Add new arguments as needed. Adjust callers.
11193 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11195 (DWARF2_FRAME_INFO): Define to zero.
11196 * config/ia64/unwind-ia64.c: Remove code that compensated for
11197 the CFA offset error fixed above.
11198 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11199 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11200 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11201 -funwind-tables and -fexceptions to enable frame info.
11202 (dwarf2out_frame_init): Define initial CFA even if
11203 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11204 DWARF2_UNWIND_INFO is nonzero, not just defined.
11205 (dwarf2out_frame_finish): Output non-EH call frame info only
11206 if DWARF2_FRAME_INFO is nonzero.
11207 (convert_cfa_to_loc_list,
11208 compute_frame_pointer_to_cfa_displacement): Define even if
11209 unwind info is not supported.
11210 (gen_subprogram_die): Use the above unconditionally. Remove
11211 legacy alternate code.
11212 * toplev.c (compile_file): Compile in call to
11213 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11214 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11216 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11217 Jakub Jelinek <jakub@redhat.com>
11219 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11220 IBM extended float format long double as "g" on powerpc*-linux.
11222 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11225 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11226 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11228 2006-02-03 Jason Merrill <jason@redhat.com>
11231 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11233 PR middle-end/25977
11234 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11235 on the return slot if it's an NRV.
11237 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11239 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11240 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11241 rewrite_use): Do not handle USE_OUTER.
11242 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11243 add_iv_outer_candidates, may_replace_final_value,
11244 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11245 (find_interesting_uses_op): Functionality of
11246 find_interesting_uses_outer_or_nonlin moved here.
11247 (find_interesting_uses_outside): Use find_interesting_uses_op.
11249 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11252 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11254 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11255 Ulrich Weigand <uweigand@de.ibm.com>
11258 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11259 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11260 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11261 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11263 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11264 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11265 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11266 Define secondary reloads for TFmode moves.
11267 (constant_modes): Add TFmode.
11268 (NR_C_MODES): Set to 8.
11269 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11271 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11272 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11273 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11274 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11275 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11276 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11277 (FPR mode macro): Add TFmode.
11278 (DSF mode macro): New.
11279 (<de>, <dee> mode attributes): Removed.
11280 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11281 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11282 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11283 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11284 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11285 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11286 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11287 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11288 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11289 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11290 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11291 "*negabs<mode>2", "sqrt<mode>2"):
11292 Changed <de> to <xde>. R constraint replaced by <Rf>.
11293 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11295 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11296 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11297 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11299 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11300 "extenddftf2", "extendsftf2"): New expanders.
11301 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11302 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11303 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11304 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11306 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11307 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11308 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11309 __floatditf): Add a GCC_4.1.0 symbol version tag.
11310 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11313 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11316 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11317 Use targetm.binds_local_p instead of TREE_PUBLIC.
11319 2006-02-02 Roger Sayle <roger@eyesopen.com>
11321 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11322 on INTEGER_TYPEs to indicate that it denotes a character type.
11323 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11324 signed_char_type_node, unsigned_char_type_node and char_type_node.
11325 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11326 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11327 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11329 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11330 Daniel Berlin <dberlin@dberlin.org>
11332 * tree-tailcall.c (arg_needs_copy_p): New function.
11333 (eliminate_tail_call): Use arg_needs_copy_p.
11334 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11335 (add_virtual_phis): New function.
11337 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11339 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11340 #ignore instead of #scratch for %g7 .register directive.
11342 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11344 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11347 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11349 * flow.c (calculate_global_regs_live): Assert that there aren't any
11352 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11354 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11355 what its name says.
11356 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11357 bsi_after_labels iterator.
11358 * tree-if-conv.c (find_phi_replacement_condition,
11359 replace_phi_with_cond_modify_expr): Likewise.
11360 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11361 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11363 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11365 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11367 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11370 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11371 array after growing it.
11373 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11375 PR middle-end/24901
11376 * fold-const.c (fold_checksum_tree): Change type of buf.
11378 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11380 * reload.c (push_secondary_reload): Initialize t_icode.
11382 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11384 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11385 -msoft-float -mlong-double-128 only issue a warning, but don't
11386 swich to DFmode long double.
11388 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11390 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11391 has a constant equivalent, iterate over equivalents for arg0,
11392 calling simplify_relational_operation and if there's a result
11393 cheaper than X, apply fold_rtx and return the result.
11395 2006-02-01 Jan Hubicka <jh@suse.cz>
11397 * opts.c (no_unit_at_a_time_default): New global variable.
11398 (decode_options): Use it.
11399 * opts.h (no_unit_at_a_time_default): Declare.
11401 2006-02-01 Paul Brook <paul@codesourcery.com>
11403 * function.c (assign_parm_setup_reg): Use function argument promotion
11405 * expr.c (expand_expr_real_1): Use function argument promotion rules
11408 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11410 * gcc.c (process_command): Change j to 'unsigned int'.
11412 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11414 PR middle-end/26001
11415 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11416 Use the corrected index for the character
11417 out of the string constant.
11419 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11421 * mode-switching.c (optimize_mode_switching): Fix size
11422 allocated for bb_info[n_entities].
11424 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11426 * gcc.c (main): Correct type that is allocated for
11427 explicit_link_files.
11429 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11431 * config/s390/s390.c (init_alignment_context): Set
11432 ALIAS_SET_MEMORY_BARRIER on the MEM.
11433 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11435 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11437 PR middle-end/25933
11438 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11440 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11443 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11445 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11446 * regrename.c: Ditto.
11447 * tree-ssa-loop-im.c: Ditto.
11448 * tree-dump.c: Ditto.
11449 * tree-complex.c: Ditto.
11450 * genrecog.c: Ditto.
11451 * tree-ssa-threadupdate.c: Ditto.
11453 * java/class.c: Ditto.
11454 * java/jcf-parse.c: Ditto.
11455 * java/resource.c: Ditto.
11456 * java/except.c: Ditto.
11457 * java/jvspec.c: Ditto.
11458 * java/jcf-write.c: Ditto.
11459 * java/jcf-path.c: Ditto.
11460 * java/gjavah.c: Ditto.
11461 * java/zextract.c: Ditto.
11462 * java/jcf-io.c: Ditto.
11463 * java/jcf.h: Ditto.
11464 * java/buffer.c: Ditto.
11465 * java/lang.c: Ditto.
11466 * java/parse-scan.y: Ditto.
11467 * java/lex.c: Ditto.
11468 * java/lex.h: Ditto.
11469 * cfgloopmanip.c: Ditto.
11470 * postreload-gcse.c: Ditto.
11471 * tree-ssa-loop-manip.c: Ditto.
11472 * postreload.c: Ditto.
11473 * tree-ssa-loop-ch.c: Ditto.
11476 * cppspec.c: Ditto.
11477 * diagnostic.c: Ditto.
11479 * genoutput.c: Ditto.
11481 * cfghooks.c: Ditto.
11482 * cfgloopanal.c: Ditto.
11483 * objc/objc-act.c: Ditto.
11485 * genextract.c: Ditto.
11486 * genautomata.c: Ditto.
11487 * pretty-print.c: Ditto.
11488 * genemit.c: Ditto.
11489 * cgraphunit.c: Ditto.
11491 * df-scan.c: Ditto.
11492 * haifa-sched.c: Ditto.
11493 * dominance.c: Ditto.
11495 * tree-ssa-loop-ivopts.c: Ditto.
11496 * df-core.c: Ditto.
11497 * mode-switching.c: Ditto.
11498 * modulo-sched.c: Ditto.
11500 * ipa-pure-const.c: Ditto.
11502 * fix-header.c: Ditto.
11504 * tree-stdarg.c: Ditto.
11505 * ipa-utils.c: Ditto.
11506 * loop-init.c: Ditto.
11507 * ipa-inline.c: Ditto.
11508 * cfganal.c: Ditto.
11510 * alloc-pool.c: Ditto.
11511 * dwarf2out.c: Ditto.
11513 * genattrtab.c: Ditto.
11514 * tree-ssa-loop-ivcanon.c: Ditto.
11515 * predict.c: Ditto.
11516 * timevar.c: Ditto.
11518 * fortran/gfortranspec.c: Ditto.
11519 * regmove.c: Ditto.
11520 * local-alloc.c: Ditto.
11521 * langhooks.c: Ditto.
11522 * function.c: Ditto.
11523 * tree-vectorizer.c: Ditto.
11525 * ipa-type-escape.c: Ditto.
11527 * tree-if-conv.c: Ditto.
11528 * profile.c: Ditto.
11530 * tree-data-ref.c: Ditto.
11531 * loop-unroll.c: Ditto.
11532 * treelang/treetree.c: Ditto.
11534 * bt-load.c: Ditto.
11535 * ggc-common.c: Ditto.
11537 * coverage.c: Ditto.
11539 * tree-cfgcleanup.c: Ditto.
11540 * tree-ssa-pre.c: Ditto.
11541 * cfgcleanup.c: Ditto.
11542 * loop-invariant.c: Ditto.
11543 * loop-iv.c: Ditto.
11544 * ipa-prop.c: Ditto.
11545 * print-tree.c: Ditto.
11546 * conflict.c: Ditto.
11547 * ggc-page.c: Ditto.
11548 * sched-deps.c: Ditto.
11549 * regclass.c: Ditto.
11550 * tree-object-size.c: Ditto.
11551 * combine.c: Ditto.
11552 * bb-reorder.c: Ditto.
11553 * resource.c: Ditto.
11554 * var-tracking.c: Ditto.
11555 * cfgloop.c: Ditto.
11556 * df-problems.c: Ditto.
11557 * reg-stack.c: Ditto.
11559 * gccspec.c: Ditto.
11560 * sched-rgn.c: Ditto.
11561 * tree-ssa-structalias.c: Ditto.
11562 * tree-ssa-reassoc.c: Ditto.
11563 * config/darwin-c.c: Ditto.
11564 * config/darwin.c: Ditto.
11565 * config/arm/arm.c: Ditto.
11567 * collect2.c: Ditto.
11568 * reload1.c: Ditto.
11570 2006-01-31 Nicolas Pitre <nico@cam.org>
11572 * arm.md (smaxsi3): Make aware of smax_m1.
11575 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11577 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11579 2006-01-31 Richard Guenther <rguenther@suse.de>
11581 * doc/invoke.texi (-msselibm): Document.
11582 * target.h (expand_library_builtin): New target hook.
11583 * builtins.c (expand_builtin): Use expand_library_builtin.
11584 (default_expand_library_builtin): New function.
11585 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11586 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11587 (link_gcc_math_spec): Declare.
11588 (static_specs): Add link_gcc_math_spec.
11589 * expr.h (default_expand_library_builtin): Declare.
11590 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11591 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11592 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11593 * config/i386/i386.opt (msselibm): New target option.
11594 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11595 (ix86_init_sse_abi_builtins): New function.
11596 (ix86_expand_library_builtin): Likewise.
11597 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11598 (override_options): Handle error conditions wrt -msselibm.
11599 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11600 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11601 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11604 2006-01-31 Richard Guenther <rguenther@suse.de>
11605 Paolo Bonzini <bonzini@gnu.org>
11607 * doc/install.texi (--disable-libgcc-math): Document.
11609 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11611 * expr.h (expand_normal): new inline function.
11612 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11613 * dojump.c: use it.
11614 * dwarf2out.c: use it.
11617 * expmed.c: use it.
11618 * except.c: use it.
11619 * config/sparc/sparc.c: use it.
11620 * config/i386/i386.c: use it.
11621 * config/rs6000/rs6000.c: use it.
11622 * config/arm/arm.c: use it.
11623 * config/mips/mips.c: use it.
11624 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11626 2006-01-30 Roger Sayle <roger@eyesopen.com>
11628 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11629 argv to the appropriate type.
11631 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11633 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11636 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11639 * config/s390/s390.c (struct machine_function): New flag
11640 decomposed_literal_pool_addresses_ok_p.
11641 (s390_reorg): Set it before final stage of literal pool transforms.
11642 (s390_decompose_address): Only accept displacements of the form
11643 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11645 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11647 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11648 the comparison routine return.
11650 2006-01-30 Michael Matz <matz@suse.de>
11652 * global.c (find_reg): Only evict for global regs.
11653 Take n_refs into account and dump more info.
11655 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11658 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11659 (pragma_trap, pragma_nosave_low_regs): Likewise.
11660 (current_function_anonymous_args): Likewise.
11661 (sh_deferred_function_attributes): New variable.
11662 (sh_deferred_function_attributes_tail): Likewise.
11663 (print_operand): For '@', look up trap_exit attribute.
11664 (calc_live_regs): Look up trapa_handler attribute. For trapa
11665 handlers, save/restore fpscr, but don't do any other
11666 interrupt-specific saves.
11667 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11668 Fix check for partially saved registers to check for SHmedia.
11669 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11670 (sh_output_function_epilogue): Don't clear any of the removed
11672 (sh_insert_attributes): Don't check pragma_interrupt.
11673 Insert deferred attributes. Check that interrupt attribute is
11674 present for other attributes that require its presence.
11675 (sh_attribute_table): Add new attributes trapa_handler and
11677 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11678 Don't check for pragma_interrupt. Don't store argument.
11679 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11680 (sh_deferred_function_attributes): Declare.
11681 (sh_deferred_function_attributes_tail): Likewise.
11682 * sh.md (sp_switch_1): Add operand. Change generator caller.
11683 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11684 (*return_i): Don't use when trap_exit attribute is in effect.
11685 (*return_trapa): New insn pattern.
11686 * sh-c.c: New file.
11687 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11688 setting c_target_objs and cxx_target_objs.
11689 * t-sh: Add rule for sh-c.o.
11691 2006-01-30 Richard Guenther <rguenther@suse.de>
11694 * gimplify.c (gimplify_target_expr): Handle easy cases
11695 without creating a temporary.
11697 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11699 * vec.h (safe_grow): Remove duplicated line.
11701 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11704 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11705 (expand_omp): ... here.
11706 (expand_omp_parallel): Only remove barriers for combined
11707 parallel+workshare constructs.
11709 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11713 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11714 * tree.c (build_qualified_type): Chain the new type to the original
11715 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11716 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11717 (build_pointer_type_for_mode): Only return unqualified types.
11718 (build_reference_type_for_mode): Likewise.
11720 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11722 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11723 * Makefile.in (CXX_COMPAT_WARN): Define.
11724 * configure: Regenerate.
11726 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11729 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11732 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11734 * toplev.c: Fix thinko.
11736 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11737 Marcin Dalecki <martin@dalecki.de>
11739 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11740 (push_srcloc): Use XNEW.
11741 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11743 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11745 * df-core.c (df_set_blocks): Deleted all variable.
11747 2006-01-28 Ian Lance Taylor <ian@airs.com>
11749 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11750 cgraph_output_pending_asms.
11752 2006-01-28 Zack Weinberg <zackw@panix.com>
11754 * c.opt: Add -W(no-)overlength-strings.
11755 * doc/invoke.texi: Document it.
11756 * c-opts.c (c_common_handle_option): -pedantic implies
11757 -Woverlength-strings, if not explicitly disabled already.
11758 (c_common_post_options): -Woverlength-strings defaults to off, and
11759 is always off for C++.
11760 * c-common.c (fix_string_type): Issue warning about strings longer
11761 than is portable only if warn_overlength_strings. Rearrange code
11762 a little for clarity.
11763 * configure.in: Check for -Wno-overlength-strings as well before
11764 enabling -pedantic in stage 1.
11765 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11766 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11768 * genconditions.c (write_header, write_one_condition)
11769 (write_conditions, write_writer): Consolidate very long strings
11770 that were broken up to fit in C89 portable limit. Don't use
11771 printf when fputs will do.
11773 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11775 * combine.c (simplify_comparison <AND>): Check
11776 TRULY_NOOP_TRUNCATION before start using a subreg.
11778 * config/mips/mips.md (*branch_zero<mode>,
11779 *branch_zero<mode>_inverted, *branch_equality<mode>,
11780 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11781 Remove mode check from comparisons.
11783 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11785 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11787 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11789 * expmed.c (const_mult_add_overflow_p): Remove.
11790 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11792 * recog.c (validate_replace_rtx_subexp): Remove.
11793 * recog.h: Remove the prototype for
11794 validate_replace_rtx_subexp.
11796 * integrate.h: Remove the prototype for
11797 copy_decl_for_inlining.
11798 * rtl.h: Remove the prototype for mark_constant_function.
11799 * tree-vectorizer.h: Remove the prototype for
11800 vect_strip_conversion.
11802 * modulo-sched.c (create_partial_schedule,
11803 free_partial_schedule, reset_partial_schedule): Make them
11806 * hooks.c (hook_bool_rtx_int_false): Remove.
11807 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11809 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11811 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11812 and -mlong-double-128 are incompatible.
11813 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11814 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11815 (TARGET_LIBGCC2_CFLAGS): Define.
11816 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11817 (TARGET_LIBGCC2_CFLAGS): Same.
11818 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11820 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11823 * c-typeck.c (build_binary_op): Perform implicit casts of
11824 operands before shortening them.
11826 * cfgloopmanip.c (split_loop_bb): Remove.
11827 * cfgloop.h: Remove the prototype for split_loop_bb.
11829 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11830 * cfgloop.h: Remove the prototype for
11831 flow_loop_outside_edge_p.
11833 * emit-rtl.c (init_virtual_regs): Make it static.
11834 * function.h: Remove the prototype for init_virtual_regs.
11836 * recog.c (peephole2_optimize): Make it static.
11837 * recog.h: Remove the prototype for peephole2_optimize.
11839 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11841 * df-scan.c (df_record_entry_block_defs): Check if
11842 INCOMING_RETURN_ADDR_RTX is defined.
11844 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11845 Kenneth Zadeck <zadeck@naturalbridge.com>
11847 PR rtl-optimization/24762
11848 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11849 * targhooks.c (hook_void_bitmap): New hook prototype.
11850 * targhoohs.h (hook_void_bitmap): Ditto.
11851 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11852 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11853 * target.h (live_on_entry): New function pointer.
11854 * df-scan.c (df_all_hard_regs): Removed.
11855 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11856 (df_scan_free_internal): Added df->entry_block_defs.
11857 (df_scan_alloc): Ditto.
11858 (df_scan_dump): Ditto.
11859 (df_uses_record): Plumbed flag field properly thru calls.
11860 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11861 This part fixes PR24762.
11862 (df_bb_refs_record): Added code to make the frame and arg
11863 pointers live in EH blocks.
11864 (df_refs_record): Added call to df_record_entry_block_defs.
11865 (df_record_entry_block_defs): New function.
11866 * df-core.c: Added comments to describe new artifical defs.
11867 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11868 (entry_block_defs): New field in struct df.
11869 (df_all_hard_regs): Deleted.
11870 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11871 * df-problems.c (df_ru_bb_local_compute_process_def):
11872 Added code to handle artifical defs in the entry to a function.
11873 (df_ru_bb_local_compute): Ditto.
11874 (df_rd_bb_local_compute_process_def): Ditto.
11875 (df_rd_bb_local_compute): Ditto.
11876 (df_lr_bb_local_compute): Ditto.
11877 (df_ur_bb_local_compute): Ditto.
11878 (df_urec_bb_local_compute): Ditto.
11879 (df_chain_create_bb): Ditto.
11880 (df_ur_local_finalize): Removed entry.
11881 (df_urec_init): Ditto.
11882 (df_urec_local_finalize): Ditto.
11883 (df_ri_bb_compute): Added detection of last use of pseudos.
11884 * Makefile.in (df-scan.o): Updated dependencies.
11885 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11886 * config/mips/mips.c (mips_set_live_on_entry): Added.
11887 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11889 * dce.c (marked_insn_p): Added code to handle artifical defs.
11891 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11893 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11895 (_mm_cvtsi128_si64): Likewise.
11896 (_mm_cvtsd_si64): Likewise.
11897 (_mm_cvttsd_si64): Likewise.
11898 (_mm_cvtsi64_sd): Likewise.
11899 (_mm_cvtsi64_si128): Likewise.
11900 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11901 (_mm_cvtsi64_m64): Likewise.
11902 (_m_to_int64): Likewise.
11903 (_mm_cvtm64_si64): Likewise.
11904 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11905 (_mm_cvttss_si64): Likewise.
11906 (_mm_cvtsi64_ss): Likewise.
11907 (_mm_cvtss_f32): Likewise.
11909 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11911 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11912 for pragma redefine_extname.
11914 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11917 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11918 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11919 -mno-minimal-toc to previous content.
11920 (bispecs): Remove goal.
11921 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11922 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11923 compatibility aliases on powerpc-*-*gnu*.
11924 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11925 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11926 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11927 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11928 (ldblspecs): New goal.
11929 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11930 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11932 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11933 L_sf_to_tf or L_df_to_tf is defined.
11935 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11936 Alan Modra <amodra@bigpond.net.au>
11939 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11940 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11941 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11942 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11943 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11944 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11945 (rs6000_override_options): Initialize rs6000_ieeequad.
11946 Initialize TFmode format to ibm_extended_format if not
11948 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11950 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11951 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11952 (function_arg_advance): IBM long double passed in two FPRs, not
11954 (function_arg): IBM long double passed in FPRs.
11955 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11956 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11957 Only multireg GPR aligned.
11958 (rs6000_init_libfuncs): Enable IBM long double functions if not
11960 (rs6000_generate_compare): Use IBM long double compare if not
11962 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11963 (TARGET_IEEEQUAD): Define.
11964 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11965 not TARGET_IEEEQUAD.
11966 * config/rs6000/rs6000.md: Enable TFmode patterns if
11968 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11969 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11970 and -mlong-double-128 are incompatible.
11971 * doc/invoke.texi (-mabi): Collect options together. Add
11972 ibmlongdouble and ieeelongdouble.
11974 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11976 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11978 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11979 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11980 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11981 * rtl.h (rtunion_def): Remove rt_ptr.
11983 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11984 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11985 * config/i386/winnt.c (i386_pe_mark_dllexport)
11986 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11988 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11990 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11992 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11996 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11997 pthread_key_delete. From John David Anglin. gthrw-ify
11998 pthread_getunique_np only if it it's not a macro. Delete
12000 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12001 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12002 __gthread_objc_condition_signal, __gthread_key_delete): Add
12003 "__attribute__ ((__unused__))" to unused arguments.
12004 (__gthread_recursive_mutex_init_function): Add missing return.
12005 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12006 gthr-posix95.h: Use macro-based approach for name redirection
12007 on targets missing weakref.
12009 2006-01-26 Zack Weinberg <zackw@panix.com>
12011 * genconditions.c (write_header): In generated code, #ifdef out
12012 all includes and fake declarations, except includes of bconfig.h
12013 and system.h, unless GCC_VERSION >= 3001. Do not include
12014 gensupport.h in any case.
12015 (write_conditions): Generate a definition of struct c_test. Add
12016 a comment to the generated #endif.
12017 (write_one_condition): Escape backslashes in string too.
12018 (write_writer): Generated code must escape backslashes and quote
12019 marks (but not newlines) in the strings it writes.
12020 * Makefile.in (build/gencondmd.o): Update dependencies.
12022 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12025 * Makefile.in (insn-automata.o): Add header file dependencies.
12026 * genautomata.c: Add includes.
12028 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12031 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12033 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12035 * configure.ac: Expect target tools paths to be passed from the toplevel
12036 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12038 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12040 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12043 * c.opt (Wpointer-sign): Init to -1.
12044 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12045 OPT_pedantic, to 0 otherwise.
12046 * doc/invoke.texi: Update.
12048 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12050 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12051 constants provided by 80387 instructions in the destination mode.
12053 2006-01-26 Richard Guenther <rguenther@suse.de>
12054 Andrew Pinski <pinskia@physics.uc.edu>
12057 partial PR tree-opt/17064
12058 * tree-ssa-structalias.c (intra_create_variable_infos):
12059 Create heap variables for incoming parameters if
12060 flag_argument_noalias > 1.
12061 (find_what_p_points_to): Look through default defs of
12064 2006-01-26 Jeff Law <law@redhat.com>
12067 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12068 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12069 within the VR_RANGE, use the VR_RANGE as the result, not the
12071 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12072 bounds for the type.
12074 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12076 * tree-ssa-alias.c (maybe_create_global_var): Change
12077 subvar walking to an assertion that we don't have subvar'd variables.
12079 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12082 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12083 Use a new variable, inner. PARM_DECLs are always non-weak.
12085 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12087 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12088 --disable-checking.
12090 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12092 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12094 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12096 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12097 (smax_insn, smin_insn, smax_0, smin_0): New.
12099 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12102 * config/cris/cris.c (cris_order_for_addsi3): New function.
12103 * config/cris/cris-protos.h: Prototype it.
12104 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12105 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12106 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12107 (split for "op.S1 [rx=rx+i],ry (swapped)")
12108 (split for "op(s|u).S1 [rx=rx+i],ry")
12109 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12110 Apply cris_order_for_addsi3 when generating addsi3 insns.
12112 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12114 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12115 (TREE_BLOCK): Add call to EXPR_CHECK.
12117 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12120 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12121 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12122 (dump_omp_clauses): ... here.
12123 (dump_generic_node): Handle OMP_CLAUSE.
12124 * tree.c (omp_clause_num_ops): New.
12125 (omp_clause_code_name): New.
12126 (tree_code_size): Handle OMP_CLAUSE.
12127 (tree_size): Likewise.
12128 (make_node): Document handling of OMP_CLAUSE.
12129 (tree_node_structure): Handle OMP_CLAUSE.
12130 (omp_clause_check_failed): New.
12131 (omp_clause_range_check_failed): New.
12132 (omp_clause_operand_check_failed): New.
12133 (build_omp_clause): New.
12134 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12135 * tree.h (enum omp_clause_code): Declare.
12136 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12137 (OMP_CLAUSE_RANGE_CHECK): Define.
12138 (OMP_CLAUSE_ELT_CHECK): Define.
12139 (omp_clause_check_failed): Declare.
12140 (omp_clause_operand_check_failed): Declare.
12141 (omp_clause_range_check_failed): Declare.
12142 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12143 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12144 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12145 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12146 (OMP_CLAUSE_IF_EXPR): Likewise.
12147 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12148 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12149 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12150 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12151 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12152 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12153 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12154 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12155 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12156 (OMP_CLAUSE_CODE): Define.
12157 (OMP_CLAUSE_SET_CODE): Define.
12158 (OMP_CLAUSE_CODE): Define.
12159 (OMP_CLAUSE_OPERAND): Define.
12160 (struct tree_omp_clause): Declare.
12161 (union tree_node): Add field 'omp_clause'.
12162 * treestruct.def (TS_OMP_CLAUSE): Define.
12163 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12164 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12165 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12166 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12167 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12168 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12169 (OMP_CLAUSE): Define.
12170 * print-tree.c (print_node): Handle OMP_CLAUSE.
12171 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12172 * c-typeck.c: Likewise.
12173 * gimplify.c: Likewise.
12174 * c-omp.c: Likewise.
12175 * tree-nested.c: Likewise.
12176 * tree-inline.c: Likewise.
12177 * c-parser.c: Likewise.
12178 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12181 2006-01-25 Roger Sayle <roger@eyesopen.com>
12183 PR rtl-optimization/25703
12184 * combine.c (try_combine): Handle zero_extract and strict_low_part
12185 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12187 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12189 * global.c: Fix comment typos.
12191 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12194 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12195 Use output_addr_const instead of assemble_name.
12197 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12199 * Makefile.in (sched-vis.o): Update dependencies.
12200 * haifa-sched.c (sched_finish): Clear current_sched_info.
12201 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12202 (dump_flow_info): Call it.
12203 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12205 * basic-block.h (dump_bb_info): Declare.
12206 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12207 option, and apply options only for dump files whose TDF_RTL,
12208 TDF_TREE, or TDF_IPA bits match.
12209 * rtl.h: Declare new functions exported from sched-vis.c.
12210 * sched-vis.c: Enable also if scheduling is not used.
12211 (print_value): Print the mode of registers if not inside scheduling.
12212 (print_insn): Make it work outside the scheduler. Beautify the output
12214 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12216 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12218 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12219 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12220 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12221 depending on the value of CONSTANT_POOL_ADDRESS_P.
12222 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12224 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12225 rather than SYMBOL_REF_DECL.
12226 (rtx_constant_pool): Remove const_rtx_sym_htab.
12227 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12228 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12229 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12230 Remove handling of const_rtx_sym_htab.
12231 (find_pool_constant): Delete.
12232 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12233 rather than find_pool_constant.
12234 (get_pool_constant_for_function): Delete.
12235 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12236 find_pool_constant.
12237 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12238 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12239 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12240 (SYMBOL_REF_CONSTANT): New macro.
12241 (get_pool_constant_for_function): Delete.
12242 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12243 rather than SYMBOL_REF_DECL.
12244 (i386_pe_mark_dllimport): Likewise.
12245 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12246 rather than SYMBOL_REF_DECL.
12247 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12248 (machopic_indirect_call_target): Likewise.
12250 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12252 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12254 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12256 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12258 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12260 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12262 2006-01-24 David Daney <ddaney@avtrex.com>
12265 * configure.ac (enable_tls): New enable option.
12266 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12267 * configure: Regenerate.
12268 * doc/install.texi (--enable-tls): Document new option.
12269 (--disable-tls): Ditto.
12271 2006-01-24 Richard Henderson <rth@redehat.com>
12273 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12274 * alias.c (true_dependence): Respect it.
12275 (canon_true_dependence, write_dependence_p): Likewise.
12276 * builtins.c (get_builtin_sync_mem): Set it.
12278 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12280 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12283 2006-01-24 DJ Delorie <dj@redhat.com>
12285 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12286 for storing constants in single-bit bitfields.
12288 2006-01-25 Ben Elliston <bje@au.ibm.com>
12290 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12292 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12295 * tree-ssa-pre.c (phi_translate): Return NULL
12296 for AGGREGATE_TYPE's.
12298 2006-01-24 Zack Weinberg <zackw@panix.com>
12300 * genautomata.c (process_state_for_insn_equiv_partition):
12301 Use xcalloc for insn_arcs_array.
12302 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12303 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12305 2006-01-24 Richard Henderson <rth@redhat.com>
12307 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12308 update all callers.
12310 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12312 PR rtl-optimization/25890
12313 PR rtl-optimization/25905
12314 * combine.c (expand_compound_operation, expand_field_assignment):
12315 Fail if the bitfield's final position is out of bounds.
12317 2006-01-24 Ian Lance Taylor <ian@airs.com>
12319 PR middle-end/25930
12320 * cgraphunit.c (cgraph_output_in_order): Don't clear
12321 cgraph_asm_nodes until after asm strings have been output.
12323 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12325 * fix-header.c (read_scan_file): Add new parameter imultilib when
12326 calling register_include_chains.
12328 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12330 * omp-low.c: Update documentation.
12332 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12333 Daniel Berlin <dberlin@dberlin.org>
12337 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12338 return from the function.
12340 2006-01-22 Zack Weinberg <zackw@panix.com>
12342 * rtl.def (match_code): Add second argument.
12343 * genpreds.c (write_extract_subexp): New function.
12344 (write_match_code): Add path argument. Use write_extract_subexp.
12345 (write_predicate_expr): Pass path to write_match_code.
12346 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12347 not perform a mode test.
12348 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12349 a subexpression does not constrain the top-level code set.
12350 * read-rtl.c (read_rtx_variadic): New function.
12351 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12352 * doc/md.texi: Document new notation.
12353 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12354 (cmpsi_operand): ... here, using new notation.
12356 2006-01-22 Zack Weinberg <zackw@panix.com>
12358 * varray.c: Remove GENERATOR_FILE #ifdefs.
12360 2006-01-22 Zack Weinberg <zackw@panix.com>
12362 * genautomata.c (output_reserved_units_table): Emit nothing if
12363 description->query_units_num is zero. Remove extra blank line.
12364 (output_cpu_unit_reservation_p): Short circuit
12365 if description->query_units_num is zero.
12367 2006-01-22 Zack Weinberg <zackw@panix.com>
12369 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12370 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12371 nor any of the random handful of variables that used to be necessary
12372 when this program was linked with rtlanal.o. Prune set of forward
12373 function declarations.
12374 (struct attr_desc): Remove static_p field.
12375 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12376 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12377 (attr_string): Do not read the character one past the length of
12379 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12380 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12381 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12382 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12383 (make_automaton_attrs): New.
12384 (main): Do not call into genautomata. Call local gen_bypass
12385 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12386 Remove special case for insn_alts.
12387 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12388 varray.h (leftover from previous change). Prune set of forward
12389 function declarations. Remove state_alts fields from all
12390 structures. Remove state_alts_table from struct automaton.
12391 Make everything except main static. Do not maintain num_dfa_decls.
12392 Do not maintain state_alts fields of various structures.
12393 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12394 (add_arc): Remove state_alts argument. All callers updated.
12395 (output_reserved_units_table): Emit #ifdef here...
12396 (output_tables): ...not here. Don't generate state_alts tables.
12397 (expand_automata): Don't generate attributes.
12398 (write_automata): Don't generate state_alts functions.
12399 (main): New function.
12400 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12401 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12402 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12403 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12404 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12405 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12406 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12407 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12409 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12410 * genattrtab.h: Delete file.
12411 * Makefile.in (OBJS-common): Add insn-automata.o.
12412 (insn-automata.o): New rule.
12413 (simple_generated_c): Add insn-automata.c.
12414 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12415 (genprogmd): Add automata.
12416 (build/genattrtab): Needs no extra objects nor libraries.
12417 (build/genautomata): Needs build/vec.o and -lm.
12419 2006-01-22 Zack Weinberg <zackw@panix.com>
12421 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12422 (output_dfa_max_issue_rate, locked_states_num): Delete.
12423 (struct automaton): Add locked_states field.
12424 (output_dead_lock_vect): Save number of locked states in
12425 automaton->locked_states. If it is zero, don't print anything.
12426 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12427 (output_internal_dead_lock_func): Only test the dead_lock_vect
12428 for automata that have locked states.
12429 (output_statistics): Always print the number of locked states for
12430 each automaton. Calculate total number of locked states here.
12431 (write_automata): Don't call output_dfa_max_issue_rate.
12432 * genattrtab.c: Define length_unit_log as a const variable.
12433 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12434 max_insn_queue_index const.
12435 * final.c (length_unit_log): Declare const.
12436 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12438 2006-01-22 Zack Weinberg <zackw@panix.com>
12440 * genautomata.c: Include vec.h, not varray.h.
12441 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12442 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12443 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12444 VEC_* macros operating on appropriately typed vectors, or to
12445 malloced arrays when the size is known in advance. Const-ify
12446 many char* variables and function arguments. No functional changes.
12447 * Makefile.in (build/varray.o): Delete rule.
12448 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12449 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12451 2006-01-22 Zack Weinberg <zackw@panix.com>
12453 * gensupport.c: Define get_insn_name and record_insn_name here.
12454 (read_md_rtx): Call record_insn_name as appropriate.
12455 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12456 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12457 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12459 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12460 (BUILD_VARRAY): Delete.
12461 (genprognormal): Rename genprogmd. Fold in all programs from
12462 genprognoprint; also attrtab.
12463 (build/genattrtab): Just mention genautomata.o and varray.o.
12464 Reorganize a bit, add comments to make the categories clearer.
12466 2006-01-22 Zack Weinberg <zackw@panix.com>
12468 * genconditions.c (condition_table, add_condition): Delete.
12469 (write_conditions): Don't emit n_insn_conditions nor
12470 insn_elision_unavailable. Issue the gcc version #ifdef here,
12471 inside the table, with no #else clause ...
12472 (write_header): ...not here.
12473 (write_writer): New function.
12474 (main): Don't initialize condition_table. Use add_c_test.
12476 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12477 files on the command line.
12478 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12479 Return -1 if there is no entry in the table, don't abort.
12480 (add_c_test, traverse_c_tests): New functions.
12481 * gensupport.h (insn_elision_unavailable, insn_conditions)
12482 (n_insn_conditions): Delete declarations.
12483 (add_c_test, traverse_c_tests): Declare.
12484 * read-rtl.c: Include gensupport.h.
12485 (read_conditions): New function.
12486 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12487 (read_rtx_1): If we get EOF when we were looking for an initial
12488 open paren, return 0. Call read_conditions when appropriate.
12489 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12490 dummy-conditions.o. Eliminate references to insn-conditions.o,
12491 or change them to build/gencondmd.o, as appropriate. Remove
12492 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12493 from $(simple_generated_c). For all files remaining in those
12494 two lists, add insn-conditions.md to the generator command line.
12495 Give insn-constants.h/s-constants their own rules. Add rules
12496 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12497 (build/read-rtl.o): Depend on gensupport.h.
12498 (genprognormal): Include preds.
12499 (genprogearly): Rename genprognoprint; only difference is now that
12500 they don't link with $(BUILD_PRINT).
12501 * dummy-conditions.c: Delete.
12503 2006-01-22 Zack Weinberg <zackw@panix.com>
12505 * genextract.c: Don't include insn-config.h. Do include vec.h.
12506 Declare vectors of int, char, and locstr.
12507 (locstr): New typedef.
12508 (struct extraction): Make all array fields into bare pointers.
12509 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12510 (insn_code_number): Delete.
12511 (accum_extract): New struct.
12512 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12513 (gen_insn): Take insn_code_number as an argument. Use an
12514 accum_extract structure instead of loading data directly into
12515 a struct extraction, and having to know how big it might get.
12516 (walk_rtx): Operate entirely on an accum_extract structure.
12517 (print_path): Avoid unnecessary use of printf.
12518 (print_header): New function, split out of main. Distinguish
12519 more carefully between an unrecognizable insn and an insn that
12520 has the code number of a define_expand.
12521 (main): Pass insn_code_number to gen_insn. Call print_header
12522 only after parsing. Avoid unnecessary use of printf.
12523 * Makefile.in (build/vec.o): New rule.
12524 (build/genextract): Depend on build/vec.o.
12525 (build/genextract.o): Don't depend on insn-config.h.
12527 2006-01-22 Zack Weinberg <zackw@panix.com>
12529 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12530 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12531 practical. Eliminate per-generator-program link rules.
12533 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12535 PR middle-end/24437
12536 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12537 with a call expr to ...
12538 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12540 2006-01-23 Richard Guenther <rguenther@suse.de>
12542 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12543 before make_edge with conditional EDGE_TRUE_VALUE.
12545 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12546 Jan Hubicka <jh@suse.cz>
12547 Richard Guenther <rguenther@suse.de>
12549 PR rtl-optimization/25654
12550 * cfgexpand.c (aggregate_contains_union_type): New function.
12551 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12552 for structure variables that contain a union type.
12554 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12556 * gengtype.c (new_structure): Return the structure.
12557 (create_option): Add an extra "next" argument.
12558 (create_field): New function.
12559 (adjust_field_rtx_def): Use create_option and create_field.
12560 Remove a now-unnecessary call to find_structure.
12561 (adjust_field_tree_def): Likewise.
12562 (note_yacc_type): Remove an unnecessary call to find_structure.
12563 * gengtype.h (new_structure): Return the structure.
12564 (create_option): Add an extra argument.
12565 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12566 (option): Adjust calls to create_option.
12568 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12570 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12572 2006-01-22 Paul Brook <paul@codesourcery.com>
12573 Peter Barada <peter@the-baradas.com>
12575 * config/m68k/m68k.md: Add Coldfire FPU support.
12576 Define FP mode macro and associated attributes.
12577 Use it for float mode patterns.
12578 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12579 (LIBCALL_VALUE): Use m68k_libcall_value.
12580 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12581 (m68k_function_value): Ditto.
12582 (emit_move_sequence): Ditto.
12583 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12584 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12585 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12586 (MULTILIB_EXCEPTIONS): Ditto.
12587 * config/m68k/m68k.opt: Add mcfv4e.
12588 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12589 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12590 (m68k_output_function_prologue): Save ColdFire FPU registers.
12591 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12592 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12593 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12594 ColdFire FPU registers.
12595 (m68k_libcall_value, m68k_function_value): New functions.
12596 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12597 (LIBCALL_VALUE): Use m68k_libcall_value.
12598 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12599 (MASK_COLDFIRE): Add MASK_CFV4E.
12600 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12601 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12602 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12603 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12604 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12605 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12606 * doc/invoke.tex: Document -mcfv4e on m68k.
12608 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12610 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12613 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12616 * c-opts.c (c_common_handle_option): Don't include
12617 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12618 * doc/invoke.texi (C++ Dialect Options): Document that
12619 -Wnon-virtual-dtor is no longer included in -Wall.
12621 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12623 * gcov.c (print_version), gcov-dump.c (print_version),
12624 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12627 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12629 * df-scan.c (problem_SCAN): Added NULL reset function.
12630 (df_scan_reset_blocks): Added code to call reset block function
12631 (df_bb_refs_delete) Fixed comment.
12632 (df_insn_refs_delete): Made tolerant of deleting non existent info
12633 for dataflow problems that need to be reset.
12634 * df-core.c (df_set_blocks): Ditto.
12635 * df.h (struct df_problem): Added reset_fun.
12636 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12637 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12638 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12639 functions to clear out all references to def-use or use-def chains.
12641 2006-01-21 Ben Elliston <bje@au.ibm.com>
12643 * varasm.c (assemble_real): Initialise data array.
12645 2006-01-20 Paul Brook <paul@codesourcery.com>
12647 Merge from csl-arm-branch.
12648 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12649 * config/arm/arm.md (movdi): Force operands[1] to a register
12650 if we have a non-register source.
12651 (*arm_movdi, *movdf_soft_insn): Require that one of the
12652 operands be a register.
12653 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12654 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12656 2006-01-20 DJ Delorie <dj@redhat.com>
12658 * varasm.c (initializer_constant_valid_p): Allow pointers
12659 initialized from integer constants of lesser precision.
12660 (output_constant): Allow non-int-sized pointer modes to be
12661 initialized from integer constants.
12663 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12666 * cppdefault.h (struct default_include): Add multilib flag.
12667 * cppdefault.c (cpp_include_defaults): Set it.
12668 * c.opt (-imultilib): New option.
12669 * c-opts.c (imultilib): New.
12670 (c_common_handle_option): Handle -imultilib.
12671 (c_common_post_options): Likewise.
12672 * c-incpath.c (add_standard_paths, register_include_chains):
12674 * c-incpath.h (register_include_chains): Add extra parameter.
12675 * gcc.c (do_spec_1): Generate -imultilib option.
12676 (The Specs Language): Update %I description.
12677 (process_command): Update copyright notice.
12678 * doc/cppopts.texi (-imultilib): Document.
12679 * doc/invoke.texi (-imultilib): Include in option summary.
12680 (%I): Update specs documentation.
12682 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12684 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12686 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12688 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12691 2006-01-20 Richard Guenther <rguenther@suse.de>
12692 Steven Bosscher <stevenb.gcc@gmail.com>
12694 PR rtl-optimization/24626
12695 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12696 EDGE_TRUE_VALUE if in RTL mode.
12699 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12700 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12702 2006-01-20 Dirk Mueller <dmueller@suse.com>
12705 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12706 instead of a special NOP marker.
12707 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12708 NOP marker handling.
12709 * c-common.h (empty_body_warning): Add forward declaration.
12710 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12711 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12713 2006-01-20 Paul Brook <paul@codesourcery.com>
12715 * Makefile.in (lang_checks): Keep going if mkdir fails.
12717 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12719 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12720 be able to clean out basic block when not necessary.
12721 (df_scan_free): Fixed to properly delete information if df is
12722 unused before calling df_finish.
12723 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12724 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12726 (df_bb_refs_delete): New function.
12727 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12728 * df-core.c (df_set_blocks): Added code to properly clean out
12729 unused blocks if they are not part of the blocks to consider.
12730 Added additional null check.
12731 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12732 be able to clean out basic block when not necessary
12733 * df.h (df_free_bb_function): Ditto.
12734 (df_bb_refs_delete): New function.
12735 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12736 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12737 basic block parameter to be able to clean out basic block when not
12739 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12740 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12741 Fixed to properly delete information if df is unused before
12744 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12746 PR rtl-optimization/25799
12747 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12748 Corrected confluence operator to remove bits from op2 before oring
12749 with op1 rather than removing bits from op1.
12750 (df_ru_transfer_function): Corrected test on wrong bitmap which
12751 caused infinite loop. Both of these problems were introduced in
12752 the dataflow rewrite.
12754 2006-01-19 DJ Delorie <dj@redhat.com>
12756 * reload1.c (find_reload_regs): Note the details of reload
12757 failures in the dump file.
12758 (spill_failure): Likewise.
12760 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12762 * loop-iv.c: Include df.h and hashtab.h.
12763 (enum iv_grd_result): New enum.
12764 (DF_REF_IV, DF_REF_IV_SET): New macros.
12765 (struct biv_entry): New.
12766 (df, bivs): New global variables.
12767 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12768 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12770 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12771 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12772 analyzed_for_bivness_p, record_biv): New functions.
12773 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12774 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12775 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12777 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12779 (iv_number_of_iterations): Use new interface to iv analysis.
12780 * loop-unroll.c: Do not include varray.h.
12781 (analyze_iv_to_split_insn): Use new interface to iv
12783 * loop-unswitch.c (may_unswitch_on): Ditto.
12784 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12786 (df_bb_modify): Realloc tables to the new index.
12787 (df_find_use): New function.
12788 * df.h (df_find_use): Declare.
12789 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12791 * cfgloop.h (struct rtx_iv): Remove analysed field.
12792 (iv_get_reaching_def): Removed.
12793 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12794 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12795 (loop-iv.o): Add df.h and hashtab.h dependency.
12796 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12798 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12801 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12803 (__floatundisf, __floatundidf): Likewise.
12804 * libgcc2.h (IS_IBM_EXTENDED): Define.
12806 2006-01-19 DJ Delorie <dj@redhat.com>
12808 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12810 2006-01-19 Paul Brook <paul@codesourcery.com>
12812 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12813 as nothrow when unwinding tables are disabled.
12815 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12818 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12819 of bit-field" when in system header.
12821 2006-01-19 DJ Delorie <dj@redhat.com>
12823 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12824 the 16 bit shift limit of the m16c.
12826 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12829 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12830 * config/i386/i386.c (output_set_got): Output the label if we have one
12831 for the TARGET_DEEP_BRANCH_PREDICTION case.
12833 2006-01-19 Jan Hubicka <jh@suse.cz>
12834 H.J. Lu <hongjiu.lu@intel.com>
12835 Evandro Menezes <evandro.menezes@amd.com>
12837 * invoke.texi (generic): Document
12839 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12840 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12841 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12842 (x86_use_incdec, x86_pad_returns): New variables
12843 (TARGET_CPU_DEFAULT_generic): New constant
12844 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12845 (enum processor_type): Add generic32 and generic64.
12846 * i386.md (cpu attribute): Add generic32/generic64
12847 (movhi splitter): Behave sanely when both partial_reg_dependency and
12848 partial_reg_stall are set.
12849 (K8 splitters): Enable for generic as well.
12850 * predicates.md (incdec_operand): Use TARGET_INCDEC
12851 (aligned_operand): Avoid memory mismatch stalls.
12852 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12853 * ppro.md: Enable for generic32
12854 * i386.c (generic64_cost, generic32_cost): New.
12855 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12856 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12857 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12858 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12859 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12860 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12861 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12862 x86_accumulate_outgoing_args, x86_prologue_using_move,
12863 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12864 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12865 Enable for generic.
12866 (x86_use_incdec, x86_pad_returns): New.
12867 (override_options): Add generic32 and generic64, translate "generic"
12868 to generic32/generic64 and "i686" to "generic32", refuse
12869 "generic32"/"generic64" as arch target.
12870 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12871 (ix86_reorg): Honor PAD_RETURNS.
12873 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12875 * tree-pretty-print.c (dump_generic_node): Handle
12876 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12877 * cgraph.c (cgraph_expand_queue): Rename from
12878 cgraph_analyze_queue. Update all users.
12879 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12880 cgraph_expand_queue.
12881 (cgraph_expand_all_functions): Likewise.
12882 (cgraph_finalize_pending_functions): Remove. Update callers.
12884 * tree.h (OMP_DIRECTIVE_P): Define.
12885 (OMP_PARALLEL_FN): Define.
12886 (OMP_PARALLEL_DATA_ARG): Define.
12887 (OMP_SECTIONS_SECTIONS): Define.
12888 * tree-pass.h (pass_expand_omp): Declare.
12889 * omp-low.c (struct omp_region): Declare.
12890 (struct omp_context): Remove fields 'parallel_type',
12891 'parallel_start_ix' and 'parallel_start_additional_args'.
12893 (struct omp_for_data): Rename from struct expand_omp_for_data.
12894 (omp_regions): New static variable.
12895 (root_omp_region): New static variable.
12896 (find_omp_clause): Make static.
12897 (is_in_combined_parallel_ctx): Remove.
12898 (is_combined_parallel): New.
12899 (extract_omp_for_data): Move earlier in the file.
12900 (workshare_safe_to_combine_p): New.
12901 (get_ws_args_for): New.
12902 (determine_parallel_type): Move earlier in the file.
12903 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12905 (omp_copy_decl): Likewise.
12906 (create_omp_child_function): Likewise.
12907 (lookup_omp_region): New.
12908 (dump_omp_region): New.
12909 (debug_omp_region): New.
12910 (debug_all_omp_regions): New.
12911 (new_omp_region): New.
12912 (scan_omp_parallel): If parallel_nesting_level > 1, the
12913 directive is nested within another parallel directive.
12914 Set OMP_PARALLEL_FN.
12915 (scan_omp_for): Do not try to handle combined parallel+for
12917 Remove FIXME comment.
12918 (scan_omp_nested): Remove.
12919 (scan_omp_1): Do not call scan_omp_nested when
12920 parallel_nesting_level is > 1.
12921 Do not change the DECL_CONTEXT of local variables found.
12922 (lookup_decl_in_outer_ctx): New.
12923 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12924 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12925 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12926 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12927 If CTX is nested, lookup VAR in the outer context when
12928 building copy assignment.
12929 (lower_send_clauses): Rename from expand_send_clauses.
12930 If CTX is nested, lookup VAR in the outer context when
12931 building copy assignments.
12932 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12933 If CTX is nested, lookup VAR in the outer context when
12934 building copy assignments.
12935 (expand_parallel_call): Rename from build_parallel_call.
12936 Handle combined parallel+workshare cases.
12937 Re-implement to emit code into the CFG.
12939 (expand_omp_parallel): Re-implement to emit code into the CFG.
12940 Call move_sese_region_to_fn to outline the sub-graph
12941 containing the parallel region.
12942 (expand_omp_for_1): Remove.
12943 (expand_omp_for_generic): Re-implement to emit code into the
12945 (expand_omp_for_static_nochunk): Likewise.
12946 (expand_omp_for_static_chunk): Likewise.
12947 (expand_omp_for): Likewise.
12948 (expand_omp_sections): Likewise.
12949 (remove_exit_barriers): New.
12950 (expand_omp_synch): New.
12952 (build_omp_regions_1): New.
12953 (build_omp_regions): New.
12954 (execute_expand_omp): New.
12955 (gate_expand_omp): New.
12956 (pass_expand_omp): Define.
12957 (lower_omp_sections): Rename from expand_omp_sections.
12958 Set OMP_SECTIONS_SECTIONS.
12959 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12960 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12961 (lower_omp_single): Rename from expand_omp_simple.
12962 (lower_omp_master): Rename from expand_omp_master.
12963 (lower_omp_ordered): Rename from expand_omp_ordered.
12964 (lower_omp_critical): Rename from expand_omp_critical.
12965 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12966 (lower_omp_for): Re-implement.
12967 (lower_omp_parallel): Re-implement.
12968 (lower_regimplify): Rename from expand_regimplify.
12969 (lower_omp_1): Rename from expand_omp_1.
12970 If there are syntax errors in the program, replace every
12971 OpenMP directive with NOP.
12972 Call lower_omp_* instead of expand_omp_*.
12973 (lower_omp): Rename from expand_omp.
12975 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12976 * tree-gimple.h (enum omp_parallel_type): Remove.
12977 (gimple_boolify): Declare extern.
12978 (find_omp_clause, determine_parallel_type): Remove.
12980 * gimple-low.c (lower_omp_directive): New.
12981 (lower_stmt): Call it.
12982 (record_vars_into): Move from ...
12983 (record_vars): ... here.
12984 Call record_vars_into with current_function_decl.
12986 * gimplify.c (struct gimplify_ctx): Remove fields
12987 combined_pre_p and combined_ctxp. Update users.
12988 (get_formal_tmp_var): Add documentation.
12989 (gimple_boolify): Make extern.
12990 (gimplify_expr_in_ctx): Remove. Update callers.
12991 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12992 will always be a BIND_EXPR.
12993 (gimplify_expr): Handle OMP_RETURN_EXPR.
12994 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12995 (OMP_PARALLEL): Add 3 operands.
12996 (OMP_SECTIONS): Add 1 operand.
12997 (OMP_RETURN_EXPR): Define.
12999 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13000 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13001 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13002 creating a circular free list.
13003 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13005 * tree-flow.h (move_sese_region_to_fn): Declare.
13006 (record_vars_into): Declare.
13007 * tree-cfg.c (make_omp_sections_edges): New.
13008 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13009 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13010 OMP_SECTIONS and OMP_SECTION.
13011 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13012 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13013 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13014 (gather_blocks_in_sese_region): New.
13015 (struct move_stmt_d): Declare.
13016 (move_stmt_r): New.
13017 (move_block_to_fn): New.
13018 (move_sese_region_to_fn): New.
13020 * passes.c (init_optimization_passes): Schedule
13021 pass_expand_omp after pass_init_datastructures.
13023 * tree-ssa-operands.c (get_expr_operands): Handle
13024 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13025 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13027 2006-01-19 Jeff Law <law@redhat.com>
13029 * tree-vrp.c (extract_range_from_assert): Refine the result range
13030 if the variable referenced by the ASSERT_EXPR has a range and
13031 either the tentative result range or the previous range is a
13034 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13036 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13038 2006-01-19 Jan Hubicka <jh@suse.cz>
13040 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13042 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13044 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13045 (expand_compound_operation, expand_field_assignment): Fail if the
13046 bit lengths of an extract operation are out of range.
13047 (make_extraction): Compute wanted_inner_mode based on the position
13048 and length of the extraction. Make it extraction_mode for non-constant
13049 positions, and do not modify offset in that case. When generating a
13050 new MEM, use a mode that can hold the extraction while keeping correct
13051 alignment. Remove code that supported MEMs wrapped by USEs.
13052 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13054 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13056 * config/s390/s390.md ("Y", "y"): New mode attribute.
13057 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13058 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13059 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13060 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13061 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13062 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13063 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13064 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13065 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13066 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13067 "addsi3", "subsi3"): Insn patterns removed.
13068 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13069 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13070 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13071 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13072 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13073 "*sub<mode>3_cconly2"): New insn patterns.
13074 ("addsi3", "subsi3"): New expanders.
13076 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13078 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13079 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13080 existing STMT_VINFO_VECTYPE if available.
13081 (vect_mark_relevant): Add special handling for stmts that are
13082 marked as STMT_VINFO_IN_PATTERN_P.
13083 (vect_analyze_loop): Call vect_pattern_recog.
13084 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13085 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13087 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13088 (vect_recog_func_ptr): New function-pointer type.
13089 * tree-vect-patterns.c: New file.
13090 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13091 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13092 (vect_pattern_recog_1): New functions.
13093 (vect_pattern_recog_funcs): New array of function pointers.
13095 * tree-vectorizer.h (ternary_op): New enum value.
13096 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13097 declaration. Revised documentation. Removed redundant dump prints.
13098 Removed redundant argument. Added support for reduction patterns.
13099 (vectorizable_reduction): Added support for reduction patterns.
13100 (vect_transform_stmt): Added support for patterns.
13102 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13103 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13104 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13105 (expand_widen_pattern_expr): New function.
13106 (init_optabs): Initialize new optabs udot_prod_optab,
13108 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13109 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13110 (expand_widen_pattern_expr): New function declaration.
13111 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13113 * tree-inline.c (estimate_num_insns_1): Added cases for new
13114 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13115 * tree-pretty-print.c (dump_generic_node): Likewise.
13116 (op_prio): Likewise.
13117 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13118 * tree-ssa-operands.c (get_expr_operands): Added case for
13120 * tree-vect-patterns.c (widened_name_p): New function.
13121 (vect_recog_dot_prod_pattern): Added function implementation.
13122 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13123 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13124 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13125 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13127 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13128 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13129 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13130 (init_optabs): Initialize new optabs widen_ssum_optab,
13132 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13133 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13134 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13135 use instead of type of def.
13136 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13137 function implementation.
13138 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13139 widen_ssumv8hi): New.
13141 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13144 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13147 * c-decl.c (add_flexible_array_elts_to_size): New function.
13148 (finish_decl): Use it.
13150 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13152 * diagnostic.h: Include options.h.
13153 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13154 dependancies for diagnostic.h.
13155 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13157 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13159 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13160 (ssa_ro_call_cache_valid): Ditto.
13161 * tree-ssa-alias.c (sort_tags_by_id): New function.
13162 (init_transitive_clobber_worklist): Ditto.
13163 (add_to_worklist): Ditto.
13164 (mark_aliases_call_clobbered): Ditto.
13165 (compute_tag_properties): Ditto.
13166 (set_initial_properties): Ditto.
13167 (compute_call_clobbered): Ditto.
13168 (compute_may_aliases): Call compute_call_clobbered and grouping.
13169 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13170 (compute_flow_insensitive_aliasing): Grouping now happens in our
13172 (setup_pointers_and_addressables): Remove clobbering related code.
13173 (add_may_alias): Ditto.
13174 (replace_may_alias): Ditto.
13175 (get_nmt_for): Ditto.
13176 (create_global_var):
13177 (is_escape_site): Return an escape_type enumeration.
13178 * tree-flow-inline.h (is_call_clobbered): Global var does not
13179 imply call clobbered.
13180 (mark_call_clobbered): Take a reason for marking this. Remove
13181 marking of globalness, and cache invalidation.
13182 (clear_call_clobbered): Remove cache invalidation code.
13183 * tree-dfa.c (dump_variable): If details is on, dump the reason
13185 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13187 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13188 (struct var_ann_d): Ditto.
13189 (enum escape_type): New.
13190 (mark_call_clobbered): Adjust prototype.
13191 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13192 are never call clobbered.
13193 Record reasons for escaping.
13194 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13195 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13196 (ssa_ro_call_cache_valid): Ditto.
13197 (clobbered_v_may_defs): Ditto.
13198 (clobbered_vuses): Ditto.
13199 (ro_call_vuses): Ditto.
13200 (clobber_stats): New.
13201 (init_ssa_operands): Zero out clobber stats.
13202 (fini_ssa_operands): Print out clobber stats.
13203 (get_call_expr_operands): Pass callee fndecl to
13204 add_call_read_ops).
13205 (add_call_clobber_ops): Remove use of cache.
13206 Add use of PURE_CONST information.
13207 (add_call_read_ops): Remove use of cache.
13208 Add use of static not_read information.
13210 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13212 Introduce TLS descriptors for i386 and x86_64.
13213 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13214 (TARGET_ANY_GNU_TLS): New macro.
13215 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13216 (struct machine_function): Add tls_descriptor_call_expanded_p.
13217 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13218 (ix86_current_function_calls_tls_descriptor): Likewise.
13219 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13220 (override_options): Introduce gnu2 tls dialect.
13221 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13223 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13225 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13226 (ix86_init_machine_status): Initialize new field.
13227 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13228 (ix86_tls_module_base): New.
13229 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13230 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13231 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13232 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13233 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13234 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13235 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13236 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13237 * config/i386/predicates.md (tls_modbase_operand): New.
13238 (tp_or_register_operand): New.
13240 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13242 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13243 (look_for_address_of): Ditto.
13244 (ipa_init): Walk the function decls.
13245 (static_execute): Don't set readonly on FUNCTION_DECL's.
13247 2006-01-18 Roger Sayle <roger@eyesopen.com>
13249 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13250 for shifts where the source and destination registers are different.
13252 2006-01-18 Paul Brook <paul@codesourcery.com>
13254 Merge from csl-arm-branch.
13255 2005-03-14 Julian Brown <julian@codesourcery.com>
13256 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13257 (aeabi_llsl): Likewise.
13258 (ashrdi3): Likewise.
13259 (aeabi_lasr): Likewise.
13260 (lshrdi3): Likewise.
13261 (aeabi_llsr): Likewise.
13262 2005-03-10 Julian Brown <julian@codesourcery.com>
13263 * config.gcc: Disable shared libgcc for SymbianOS.
13264 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13266 2006-01-18 DJ Delorie <dj@redhat.com>
13268 * c-pragma.c (handle_pragma_diagnostic): New.
13269 (init_pragma): Register it.
13270 * doc/extend.texi: Document it.
13272 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13273 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13274 (diagnostic_context): Add classify_diagnostic[].
13275 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13276 as errors if they're overridden to DK_WARNING.
13277 (diagnostic_initialize): Initialize classify_diagnostic[].
13278 (diagnostic_set_kind_override): New.
13279 (diagnostic_report_diagnostic): Check for kind changes.
13280 * opts.c (common_handle_option): Take lang_mask. Update callers.
13281 Handle OPT_Werror_.
13282 * common.opt (Werror=): New.
13283 * doc/invoke.texi: Document -Werror=*
13285 2006-01-18 Jeff Law <law@redhat.com>
13287 * tree-vrp.c (test_for_singularity): Correct test for new
13288 min limit. Use operand_equal_p rather than pointer equality
13289 for testing if new min/max values are equal.
13291 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13292 using range information until after propagation and folding.
13294 2006-01-18 Richard Henderson <rth@redhat.com>
13295 Aldy Hernandez <aldyh@redhat.com>
13296 Jakub Jelinek <jakub@redhat.com>
13297 Diego Novillo <dnovillo@redhat.com>
13299 * omp-low.c: New file.
13300 * c-omp.c: New file.
13302 2006-01-18 Richard Henderson <rth@redhat.com>
13303 Jakub Jelinek <jakub@redhat.com>
13304 Diego Novillo <dnovillo@redhat.com>
13306 * doc/invoke.texi: Document -fopenmp.
13307 * tree-dump.h (debug_function): Declare.
13308 * hooks.c (hook_bool_tree_bool_false): New function.
13309 (hook_tree_tree_null): Remove.
13310 (hook_tree_tree_tree_null): New.
13311 * hooks.h: Update to match.
13312 * tree-pretty-print.c (debug_tree_chain): New.
13313 (print_generic_expr): Handle TDF_CHAIN.
13314 (dump_generic_node): Handle BLOCK.
13315 Do not abort with incomplete SWITCH_EXPRs.
13316 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13317 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13318 print space after directive name.
13319 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13320 Handle OMP_MASTER and OMP_ORDERED.
13321 Handle printing of OMP_BODY just in one place, goto
13322 dump_omp_body in the rest of OMP_* nodes that have
13324 Don't handle clause nodes here. Update omp statements to
13325 use dump_omp_clauses.
13326 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13327 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13328 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13329 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13330 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13331 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13332 Adjust output for GOMP_PARALLEL.
13333 (dump_omp_clauses): New.
13334 (print_declaration): Dump DECL_VALUE_EXPR.
13335 (op_symbol_1): Split out of op_symbol.
13336 (dumping_stmts): Remove. Update all users.
13337 * cgraph.c (cgraph_analyze_queue): New.
13338 (cgraph_add_new_function): New.
13339 * cgraph.h (cgraph_analyze_queue): Declare.
13340 (cgraph_add_new_function): Declare.
13341 (cgraph_lower_function): Remove.
13342 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13343 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13344 and TYPE_P nodes in its default clause.
13345 (empty_body_p): New.
13346 (tree_range_check_failed): New.
13347 (build5_stat): New.
13348 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13349 OMP_CLAUSE_REDUCTION_MERGE,
13350 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13351 OMP_CLAUSE_PRIVATE_DEBUG,
13352 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13353 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13354 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13355 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13356 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13357 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13358 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13359 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13360 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13361 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13362 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13363 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13364 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13365 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13366 (TREE_RANGE_CHECK): New.
13367 (empty_body_p): Declare.
13368 (enum omp_clause_default_kind): New.
13369 (build_string_literal): Declare.
13370 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13371 (build5_stat, build5): Declare.
13372 * tree-pass.h (TDF_CHAIN): Define.
13373 * tree-pass.h (PROP_gimple_lomp): Define.
13374 (pass_lower_omp): Declare.
13375 * diagnostic.h (debug_tree_chain): Declare.
13376 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13378 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13379 * builtins.c (build_string_literal): Make extern.
13380 * gcc.c (include_spec_function): New.
13381 (static_spec_functions): Add it.
13382 (main): Move load of libgomp.spec ...
13383 (LINK_COMMAND_SPEC): ... here.
13384 (link_gomp_spec): New.
13385 (static_specs): Include it.
13386 (LINK_COMMAND_SPEC): Add link_gomp.
13387 (GOMP_SELF_SPECS): New.
13388 (driver_self_specs): Include it.
13389 (switch_matches): Don't mark inline.
13390 (main): Load libgomp.spec.
13391 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13392 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13393 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13394 * tree-gimple.h (enum omp_parallel): Declare.
13395 (determine_parallel_type): Declare.
13396 (omp_firstprivatize_variable): Declare.
13397 (omp_reduction_init): Declare.
13398 (diagnose_omp_structured_block_errors): Declare.
13399 (struct walk_stmt_info): Add want_return_expr.
13400 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13401 (find_omp_clause): Declare.
13402 (insert_field_into_struct): Declare.
13403 (struct walk_stmt_info): Move from tree-nested.c
13404 (walk_stmts): Declare.
13405 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13407 * cgraphunit.c (cgraph_lower_function): Make static.
13408 (cgraph_finalize_pending_functions): New.
13409 (cgraph_finalize_function): Call it.
13410 (cgraph_finalize_compilation_unit): Likewise.
13411 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13412 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13413 (BT_FN_UINT_UINT): New.
13414 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13415 DEF_FUNCTION_TYPE_VAR_4): Document.
13416 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13417 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13418 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13419 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13420 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13421 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13422 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13423 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13424 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13425 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13426 into separate files.
13427 (DEF_GOMP_BUILTIN): New.
13428 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13429 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13430 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13431 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13432 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13433 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13434 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13435 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13436 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13437 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13438 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13439 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13440 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13441 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13442 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13443 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13444 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13445 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13446 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13447 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13448 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13449 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13450 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13451 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13452 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13453 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13454 * sync-builtins.def: New file, moved from builtins.def.
13455 * omp-builtins.def: New file, moved from builtins.def.
13456 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13457 * gimple-low.c (lower_function_body): Clear data.
13458 (lower_stmt): Do not handle COMPOUND_EXPR.
13459 Remove call to print_node_brief.
13460 * c-tree.h (c_finish_omp_clauses): New prototype.
13461 (C_DECL_THREADPRIVATE_P): Define.
13462 (lookup_name_no_remap, c_omp_remap_private): Remove
13463 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13464 (check_for_loop_decls): Update decl.
13465 (lookup_name_no_remap, c_omp_remap_private): Declare.
13466 (build_indirect_ref, build_modify_expr, pushdecl,
13467 pushdecl_top_level): Move to c-common.h.
13468 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13469 before the switch, but just in the 2 places that need it.
13470 * c-decl.c (diagnose_mismatched_decls): Do not check for
13471 mismatched thread-local attributes when OLDDECL is marked
13472 threadprivate and NEWDECL has no thread-local attributes.
13473 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13474 (c_gimple_diagnostics_recursively): Rename from
13475 c_warn_unused_result_recursively. Invoke
13476 diagnose_omp_structured_block_errors.
13477 (check_for_loop_decls): Return a singular decl found.
13478 * langhooks.c (lhd_omp_predetermined_sharing): Return
13479 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13480 (lhd_omp_firstprivatize_type_sizes): New.
13481 (lhd_omp_assignment): New.
13482 (lhd_omp_predetermined_sharing): New.
13483 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13484 (struct lang_hooks_for_types): Add
13485 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13486 omp_predetermined_sharing, omp_disregard_value_expr,
13487 omp_private_debug_clause, omp_clause_default_ctor,
13488 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13489 (c_finish_omp_clauses): New.
13490 (c_finish_bc_stmt): Diagnose break within omp for.
13491 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13492 (build_unary_op): Return error_mark after reporting
13494 (build_modify_expr): Likewise.
13495 * gimplify.c: Include optabs.h and pointer-set.h.
13496 (enum gimplify_omp_var_data): Declare.
13497 (struct gimplify_omp_ctx): Declare.
13498 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13500 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13501 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13502 (splay_tree_compare_decl_uid): New.
13503 (new_omp_context): New.
13504 (delete_omp_context): New.
13505 (gimple_add_tmp_var): Call omp_add_variable.
13506 (gimplify_bind_expr): Likewise.
13507 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13508 true, disregard DECL_VALUE_EXPR on the decl if any.
13509 (gimplify_expr_in_ctx): New.
13510 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13511 omp_add_variable, omp_notice_variable, omp_is_private
13512 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13513 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13514 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13515 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13516 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13517 gimplify_omp_atomic): New.
13518 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13519 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13520 OMP_CRITICAL and OMP_ATOMIC.
13521 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13522 * c-pragma.h (enum pragma_kind): Add
13523 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13524 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13525 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13526 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13527 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13528 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13529 PRAGMA_OMP_THREADPRIVATE.
13530 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13531 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13532 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13533 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13534 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13535 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13536 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13537 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13538 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13539 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13540 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13541 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13542 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13544 (struct nesting_info): Add field_map,
13545 suppress_expansion, debug_var_chain.
13546 (create_nesting_tree): Initialize them.
13547 (lookup_field_for_decl): Use field_map.
13548 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13549 (convert_local_omp_clauses): New.
13550 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13551 (walk_body): Split out of walk_function.
13552 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13553 (convert_nonlocal_reference): Handle omp statements.
13554 (convert_local_reference): Likewise.
13555 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13556 (unnest_nesting_tree): New.
13557 (lower_nested_functions): Call it.
13558 (insert_field_into_struct): Make extern.
13559 (struct walk_stmt_info): Move to tree-gimple.h.
13560 (walk_stmts): Make extern.
13561 * omp-builtins.def: New file.
13562 * tree-iterator.c (expr_only): Clarify comment.
13563 * c-common.h (pushdecl_top_level, pushdecl,
13564 build_modify_expr, build_indirect_ref,
13565 c_finish_omp_master, c_finish_omp_critical,
13566 c_finish_omp_ordered, c_finish_omp_barrier,
13567 c_finish_omp_atomic, c_finish_omp_flush,
13568 c_finish_omp_for, c_split_parallel_clauses,
13569 omp_clause_default_kind, c_omp_sharing_predetermined,
13570 c_omp_remap_decl): Declare.
13571 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13572 (OBJS-common): Add omp-low.o.
13573 (c-omp.o, omp-low.o): Add.
13574 (gimplify.o): Add dependency on $(OPTABS_H).
13575 (GTFILES): Add omp-low.c.
13576 (gt-stringpool.h): Add.
13577 * tree-cfg.c (set_bb_for_stmt): Do not update the
13578 block-to-labels map if we are currently expanding to RTL.
13579 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13581 Handle IDENTIFIER_NODE.
13582 (tree_verify_flow_info): Do not ICE when emitting error
13583 messages about invalid labels.
13584 (dump_function_to_file): Reset CFUN before emitting the body
13586 (debug_function): New.
13587 * passes.c (init_optimization_passes): Schedule
13589 * langhooks-def.h (lhd_omp_predetermined_sharing,
13590 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13592 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13593 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13594 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13595 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13596 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13597 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13598 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13599 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13600 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13601 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13602 (LANG_HOOK_DECLS): Use them.
13604 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13605 Richard Henderson <rth@redhat.com>
13606 Jakub Jelinek <jakub@redhat.com>
13607 Diego Novillo <dnovillo@redhat.com>
13609 * c-parser.c (pragma_omp_clause): Define.
13610 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13611 (c_parser_compound_statement): Likewise.
13612 (c_parser_statement): Likewise.
13613 (c_parser_pragma): Handle omp pragmas.
13614 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13615 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13616 (c_parser_omp_clause_name, check_no_duplicate_clause,
13617 c_parser_omp_variable_list,
13618 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13619 c_parser_omp_clause_copyprivate,
13620 c_parser_omp_clause_default,
13621 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13622 c_parser_omp_clause_lastprivate,
13623 c_parser_omp_clause_nowait,
13624 c_parser_omp_clause_num_threads,
13625 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13626 c_parser_omp_clause_reduction,
13627 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13628 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13629 c_parser_omp_atomic, c_parser_omp_barrier,
13630 c_parser_omp_critical, c_parser_omp_flush,
13631 c_parser_omp_for_loop, c_parser_omp_for,
13632 c_parser_omp_master, c_parser_omp_ordered,
13633 c_parser_omp_sections_scope, c_parser_omp_sections,
13634 c_parser_omp_parallel, c_parser_omp_single,
13635 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13636 * c-pragma.c (init_pragma): Do omp pragma registration here.
13637 * c.opt (fopenmp): New flag.
13639 2006-01-18 Eric Christopher <echristo@apple.com>
13641 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13642 * config/darwin.h (GOMP_SELF_SPECS): Define.
13644 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13646 * rtl.h: Remove the prototype for reg_alloc.
13648 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13651 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13652 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13653 sjlj and dwarf2 exception handling.
13654 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13655 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13656 * pa/pa.c (function_value): Treat complex and vector types as
13658 (function_arg): Likewise. Only pass scalar floats in the floating
13659 point argument registers.
13660 * pa/t-slibgcc-dwarf-ver: New file.
13661 * pa/t-slibgcc-sjlj-ver: New file.
13662 * pa/t-slibgcc-elf-ver: Delete file.
13664 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13666 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13667 unlikely_test_section_p test.
13669 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13671 * mode-switching.c (optimize_mode_switching): Make it static.
13672 * basic-block.h: Remove the prototype for
13673 optimize_mode_switching.
13675 * modulo-sched.c (sms_schedule): Make it static.
13676 * rtl.h: Remove the prototype for sms_schedule.
13678 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13679 * rtl.h: Remove the prototype for gcse_after_reload_main.
13681 * reg-stack.c (reg_to_stack): Make it static.
13682 * rtl.h: Remove the prototype for reg_to_stack.
13684 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13686 * rtl.h: Remove the prototypes for regrename_optimize and
13687 copyprop_hardreg_forward.
13689 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13691 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13692 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13693 Test against the appropriate null constant for the mode.
13694 If 'fixup_overlap' is true, swap the operands if they overlap.
13695 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13696 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13697 alpha_split_tmode_pair and adjust for above change.
13698 * config/alpha/alpha.md (movtf_internal): Adjust call to
13699 alpha_split_tfmode_pair and rely on it to swap the operands.
13700 (movti_internal): New insn and post-reload splitter.
13701 (movti): New expander.
13703 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13705 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13708 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13710 * rtlanal.c (global_reg_mentioned_p_1,
13711 global_reg_mentioned_p): Remove.
13712 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13714 * flow.c (initialize_uninitialized_subregs): Make it static.
13715 * rtl.h: Remove the prototype for
13716 initialize_uninitialized_subregs.
13718 * function.c (instantiate_virtual_regs): Make it static.
13719 * function.h: Remove the prototype for
13720 instantiate_virtual_regs.
13722 * regmove.c (regmove_optimize, combine_stack_adjustments):
13724 * rtl.h: Remove the prototypes for regmove_optimize and
13725 combine_stack_adjustments.
13727 2006-01-17 Roger Sayle <roger@eyesopen.com>
13729 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13730 (size_cost): Encode costs in bytes so that a reg-reg addition is
13731 equivalent to COSTS_N_INSNS(1).
13732 (override_options): Use the size_cost.branch_cost as the default
13733 ix86_branch_cost when optimizing for size.
13735 2006-01-18 Ben Elliston <bje@au.ibm.com>
13737 * Makefile.in (D32PBIT_FUNCS): New.
13738 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13739 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13740 D64PBIT_FUNCS and D128PBIT_FUNCS.
13741 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13742 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13744 (decnumber_dep): Define.
13745 * doc/libgcc.texi (Decimal float library routines): New node.
13746 * config/dfp-bit.h, config/dfp-bit.c: New files.
13748 2006-01-18 Ben Elliston <bje@au.ibm.com>
13750 * expr.c (emit_move_change_mode): Always adjust addresses, not
13751 just during reload. Copy replacements only during reload.
13752 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13753 emit_move_via_integer.
13755 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13757 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13758 instead of $(srcdir) and ${srcdir}.
13760 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13763 PR middle-end/11135
13764 * arm.h (struct machine_function): Add pic_reg.
13765 * arm.c (arm_pic_register): Make unsigned.
13766 (arm_override_options): Only set arm_pic_register if
13767 TARGET_SINGLE_PIC_BASE.
13768 (use_return_insn): Only test for a pic register if it is fixed.
13769 (arm_compute_save_reg0_reg12_mask): Likewise.
13770 (thumb_compute_save_reg_mask): Likewise.
13771 (legitimate_pic_operand): Factor out some known invariants.
13772 (legitimize_pic_address): If we don't have a fixed pic register,
13773 then set up a pseudo in the function entry sequence. Handle the
13774 pic base being in a pseudo.
13775 (arm_load_pic_register): Handle the pic register being in a pseudo.
13776 (arm_expand_prologue): Only set up the pic register if it is fixed.
13777 (thumb_expand_prologue): Likewise.
13778 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13779 (pic_load_addr_based_insn): Likewise.
13780 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13783 2006-01-18 Ben Elliston <bje@au.ibm.com>
13785 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13786 decimal float modes for all floating point registers.
13788 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13789 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13791 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13794 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13795 even when the pointer is not NULL.
13797 2006-01-16 Ian Lance Taylor <ian@airs.com>
13799 * common.opt (ftoplevel-reorder): New option.
13800 * cgraph.c (cgraph_asm_nodes): New global variable.
13801 (cgraph_asm_last_node): New static variable.
13802 (cgraph_order): New global variable.
13803 (cgraph_create_node): Set new order field.
13804 (cgraph_varpool_node): Likewise.
13805 (decide_is_variable_needed): Return true if not
13806 flag_toplevel_reorder.
13807 (cgraph_add_asm_node): New function.
13808 * cgraph.h (struct cgraph_node): Add order field.
13809 (struct cgraph_varpool_node): Add order field.
13810 (struct cgraph_asm_node): Define.
13811 (cgraph_asm_nodes, cgraph_order): Declare.
13812 (cgraph_add_asm_node): Declare.
13813 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13815 (cgraph_varpool_assemble_pending_decls): Call it.
13816 (cgraph_output_pending_asms): New static function.
13817 (cgraph_finalize_compilation_unit): Call it.
13818 (struct cgraph_order_sort): Define.
13819 (cgraph_output_in_order): New static function.
13820 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13821 !flag_toplevel_reorder case.
13822 * c-parser.c: Include "cgraph.h".
13823 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13825 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13826 than -fno-unit-at-a-time.
13827 * doc/invoke.texi (Option Summary): Mention
13828 -fno-toplevel-reorder.
13829 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13830 -funit-at-a-time documentation.
13832 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13833 Kazu Hirata <kazu@codesourcery.com>
13835 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13837 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13839 * Makefile.in (FUNCTION_H): New. Use it instead of
13840 function.h throughout the file.
13841 * function.h: Include tree.h.
13843 2006-01-17 Ben Elliston <bje@au.ibm.com>
13845 * recog.c: Separate some functions with whitespace.
13847 2006-01-16 Richard Henderson <rth@redhat.com>
13849 Merge from gomp branch:
13850 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13851 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13852 and rename from struct inline_data. Rename callee* to dst*;
13853 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13854 transform_new_cfg, transform_return_to_modify, and
13855 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13857 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13858 (copy_decl_for_dup): Remove.
13859 * tree-inline.c (struct inline_data): Move to header.
13860 (insert_decl_map): Export.
13861 (remap_decl): Update for member name changes. Use copy_decl hook.
13862 Allow for replacement to be a non-decl. Remove dead code.
13863 (remap_type_1): Check for existing mapping.
13864 (remap_type): Export.
13865 (remap_decls): Update for member name changes.
13866 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13867 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13868 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13869 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13870 (tree_function_versioning, build_duplicate_type): Likewise.
13871 (copy_body_r): Likewise. Export.
13872 (copy_decl_for_dup): Split into ...
13873 (copy_decl_for_dup_finish, copy_decl_to_var,
13874 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13875 (replace_ref_tree, inlining_p): Remove.
13877 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13879 * ifcvt.c (if_convert): Make it static.
13880 * rtl.h: Remove the prototype for if_convert.
13882 * local-alloc.c (local_alloc): Make it static.
13883 * rtl.h: Remove the prototype for local_alloc.
13885 * loop.c (loop_optimize): Make it static.
13886 * cfgloop.h: Remove the prototype for loop_optimize.
13889 2006-01-16 DJ Delorie <dj@redhat.com>
13891 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13894 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13896 * pa.md: Disparage copies between general and floating-point registers
13897 in 32-bit move patterns.
13899 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13902 * Makefile.in (check-%): Depend on site.exp instead of
13903 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13906 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13908 * global.c (global_alloc): Make it static.
13909 * rtl.h: Remove the prototype for global_alloc.
13911 2006-01-16 Richard Guenther <rguenther@suse.de>
13913 * tree-ssa-alias.c (struct used_part): Add write_only field.
13914 (get_or_create_used_part_for): Initialize it to true.
13915 (create_overlap_variables_for): Don't create structure variables
13916 for structures that only are written to.
13917 (find_used_portions): Handle MODIFY_EXPR to track whether a
13918 structure is only written to.
13920 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13922 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13924 * basic-block.h: Remove the prototype for
13925 partition_hot_cold_basic_blocks.
13927 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13929 * cppspec.c (lang_specific_spec_functions): Remove.
13930 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13931 * gcc.h (lang_specific_spec_functions): Remove.
13932 * gccspec.c (lang_specific_spec_functions): Remove.
13934 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13936 * combine.c (record_value_for_reg): Invalidate registers
13938 (record_dead_and_set_regs_1): Likewise, by passing them to
13939 record_value_for_reg.
13940 (record_dead_and_set_regs): Invalidate stores made by a
13941 call. We do not combine across a call, but we still
13942 relied on equivalences.
13944 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13946 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13947 vrp_int_const_binop returning non-constant nodes.
13949 2006-01-16 Paul Brook <paul@codesourcery.com>
13951 * config/m68k/m68k.c (output_move_const_into_data_reg):
13952 Output correct mnemonic for mvz and mvs.
13954 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13956 * rtl-factoring.c: Add sequence abstraction algorithm.
13957 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13958 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13960 (block_has_preserve_label): New function.
13961 * common.opt: Register new pass.
13962 * Makefile.in: Ditto.
13964 * timevar.def: Ditto.
13965 * tree-pass.h: Ditto.
13966 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13967 * rtl.h (make_jump_insn_raw): Add forward decl.
13968 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13970 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13971 Roger Sayle <roger@eyesopen.com>
13973 * fold-const.c (fold_minmax): New static function.
13974 (fold_binary) <MIN_EXPR>: Call it.
13975 <MAX_EXPR>: Likewise.
13976 * stor-layout.c (place_field): Use DECL_SIZE consistently
13977 in the computation of the new record size.
13979 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13981 * cse.c (cse_condition_code_reg): Make it static.
13982 * rtl.h: Remove the prototype for cse_condition_code_reg.
13984 * combine.c (combine_instructions): Make it static.
13985 * rtl.h: Remove the prototype for combine_instructions.
13987 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13990 * tree.c (get_file_function_name_long): Concatenate the first global
13991 object name with a string derived from the input filename of the object
13994 2006-01-16 Ben Elliston <bje@au.ibm.com>
13996 * config/i386/winnt-stubs.c: Update FSF address.
13997 * config/xtensa/ieee754-df.S: Ditto.
13998 * config/xtensa/ieee754-sf.S: Ditto.
14000 2006-01-14 Ian Lance Taylor <ian@airs.com>
14002 * ifcvt.c (noce_init_if_info): New static function, broken out of
14003 noce_process_if_block.
14004 (noce_process_if_block): Call noce_init_if_info.
14005 (check_cond_move_block): New static function.
14006 (cond_move_process_if_block): New static function.
14007 (process_if_block): Call cond_move_process_if_block.
14009 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14011 * cselib.c (hash_table): Rename to cselib_hash_table.
14012 (cselib_clear_table, discard_useless_values,
14013 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14014 cselib_init, cselib_finish): Adjust uses of hash_table.
14016 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14018 PR tree-optimization/25485
14019 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14020 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14021 is known to be false and true, respectively.
14023 2006-01-14 Richard Guenther <rguenther@suse.de>
14025 PR tree-optimization/22548
14026 PR tree-optimization/22555
14027 PR tree-optimization/22501
14028 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14029 * params.def (salias-max-array-elements): New parameter.
14030 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14031 * doc/invoke.texi (salias-max-array-elements): Document.
14032 * tree-flow-inline.h (var_can_have_subvars): We also handle
14034 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14036 * tree-ssa-structalias.c (params.h): Include.
14037 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14038 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14039 (get_constraint_for): For ADDR_EXPR operating on something
14040 containing an ARRAY_REF, add all subvars to the solution.
14041 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14042 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14043 for creating MUST_DEFs.
14044 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14046 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14048 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14050 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14051 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14052 number_of_iterations_le): New functions.
14053 (number_of_iterations_special): Removed.
14054 (number_of_iterations_exit): Do not use number_of_iterations_special.
14055 * tree.c (unsigned_type_for): Always return integer type.
14057 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14058 Richard Guenther <rguenther@suse.de>
14060 PR rtl-optimization/24257
14061 * gcse.c (find_moveable_store): Only consider a store movable
14062 when the SET_SRC of the insn can be assigned to a register.
14064 2006-01-14 Ian Lance Taylor <ian@airs.com>
14066 * tree.c (tree_not_class_check_failed): New function.
14067 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14068 (tree_not_class_check_failed): Declare.
14070 2006-01-13 Ian Lance Taylor <ian@airs.com>
14072 * reload1.c (do_output_reload): Add assertion rejecting a
14075 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14077 * combine.c (struct reg_stat): Add new fields truncation_label and
14079 (record_value_for_reg): Reset truncated_to_mode.
14080 (record_truncated_value): New function.
14081 (check_promoted_subreg): Call it. Rename to check_conversions.
14082 (combine_instructions): Rename check_promoted_subreg to
14084 (reg_truncated_to_mode): New function.
14085 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14086 (gen_lowpart_or_truncate): New function.
14087 (force_to_mode): Use it instead of gen_lowpart.
14089 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14091 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14092 VAR is a tag, not its type tag.
14094 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14096 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14097 alternatives to match style of other entries.
14098 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14100 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14102 PR tree-optimization/25771
14103 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14106 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14109 * tree-inline.c (declare_return_variable): If the return variable
14110 was marked as a non gimple complex, set the return slot variable
14111 to be a non gimple comple variable.
14113 2006-01-13 Richard Guenther <rguenther@suse.de>
14115 * builtins.c (expand_builtin_sincos): New function.
14116 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14118 (expand_builtin): Expand sincos using expand_builtin_sincos.
14120 2006-01-12 DJ Delorie <dj@redhat.com>
14122 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14123 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14124 so that constant shifts can be split.
14125 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14126 (m32c_valid_pointer_mode): Make static.
14127 (shift_gen_func_for): New.
14128 (m32c_prepare_shift): Use it. Split large const shifts into
14130 * config/m32c/predicates.md (shiftcount_operand): Allow more
14132 (longshiftcount_operand): New.
14133 * doc/md.texi (Machine Constraints): Document In6.
14135 2006-01-13 Ben Elliston <bje@au.ibm.com>
14137 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14138 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14141 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14143 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14144 to try to avoid clobbering pieces of structures when we know
14145 something about the whole structure.
14146 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14148 2006-01-13 Ben Elliston <bje@au.ibm.com>
14150 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14151 return in memory, as this is no limitation is no longer present.
14153 2006-01-12 DJ Delorie <dj@redhat.com>
14155 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14156 mova with fb, and for fb+0 -> An.
14158 * config/m32c/mov.md (peephole2): Fix enabling logic.
14160 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14161 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14162 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14163 FINI_ARRAY_SECTION_ASM_OP): Define.
14165 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14167 (m32c_legitimize_reload_address): New logic to reload FB to An.
14168 (m32c_output_reg_push): Add newline.
14169 (m32c_output_reg_pop): Likewise.
14171 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14173 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14175 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14177 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14179 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14181 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14184 2006-01-11 Ben Elliston <bje@au.ibm.com>
14186 * rtlanal.c (find_reg_note): Assert insn is not null.
14188 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14190 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14193 2006-01-11 Jeff Law <law@redhat.com>
14195 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14197 (mark_threaded_blocks, register_jump_thread): New functions.
14198 (thread_through_all_blocks): Remove unwanted argument. No
14199 longer rely on e->aux to communicate thread target info.
14200 Call mark_threaded_blocks. Release the threaded_blocks
14201 bitmap and threaded_edges vector when complete.
14202 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14203 (threaded_blocks): Remove.
14204 (tree_ssa_dominator_optimize): Remove initialization and
14205 finalization of threaded_blocks. Simplify call to
14206 thread_through_all_blocks.
14207 (thread_across_edge): Call register_jump_thread rather than
14208 storing thread information into e->aux.
14209 (free_all_edge_infos): Simplify now that e->aux is no longer
14210 used to communicate with thread_through_all_blocks.
14211 * tree-flow.h (thread_through_all_blocks): Update prototype.
14212 (register_jump_thread): Prototype.
14214 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14216 * df-core.c (df_compact_blocks, df_bb_replace): Use
14217 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14219 2006-01-11 Richard Guenther <rguenther@suse.de>
14221 PR tree-optimization/25734
14222 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14223 stop propagation after successful propagation to the LHS.
14225 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14227 * basic-block.h (control_flow_graph): Change the type of
14228 x_basic_block_info to VEC(basic_block,gc) *.
14229 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14231 (SET_BASIC_BLOCK): New.
14232 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14233 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14234 * cfgbuild.c (find_basic_blocks): Likewise.
14235 * cfglayout.c (fixup_reorder_chain): Likewise.
14236 * cfgrtl.c (create_basic_block_structure,
14237 rtl_create_basic_block): Likewise.
14238 * ifcvt.c (find_if_case_1): Likewise.
14239 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14242 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14244 * Makefile.in: Removed rotted odf.c entry.
14246 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14249 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14250 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14251 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14252 output pattern modifier, not %e.
14253 * config/cris/cris.c (cris_op_str): Update comment about pattern
14255 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14256 before falling through into...
14257 <case 'E'>: Redefined from old 'e' case.
14259 2006-01-11 Jan Hubicka <jh@suse.cz>
14262 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14264 2006-01-11 Jan Hubicka <jh@suse.cz>
14266 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14267 * i386.c (x86_decompose_lea): Kill.
14268 (ix86_rtx_costs): Kill.
14270 2006-01-11 Jan Hubicka <jh@suse.cz>
14272 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14273 * cgraph.h (cgraph_node): Add inline_decl.
14274 (cgraph_insert_node_to_hashtable): Declare.
14275 (save_inline_function_body): Declare.
14276 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14278 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14279 (cgraph_function_versioning): Update call of tree_function_versioning.
14280 (save_inline_function_body): New function.
14281 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14282 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14283 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14284 (cgraph_default_inline_p): Likewise.
14285 (cgraph_decide_inlining_incrementally): Likewise.
14286 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14287 (copy_bb): Kill saving; do updating of clones.
14288 (copy_cfg_body): Kill saving.
14289 (initialize_inlined-parameters): Likewise.
14290 (expand_call_inline): Likewise.
14292 (tree_function_versioning): New parameter "update_clones".
14293 (inlining_p): Kill saving.
14294 * tree-inline.h (tree_function_versioning): Update prototype.
14295 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14298 2006-01-11 Ian Lance Taylor <ian@airs.com>
14300 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14301 Allow undoing set of machine mode.
14302 (do_SUBST): Use enums instead of is_int.
14303 (do_SUBST_MODE): New function.
14304 (SUBST_MODE): New macro.
14305 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14306 reg and trying to replace reg_regno_rtx with a new register.
14307 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14308 (simplify_set): Use SUBST_MODE.
14309 (distribute_notes): Remove code that tried to update reg notes
14310 for regno_reg_rtx changes.
14312 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14314 PR tree-optimization/23109
14315 PR tree-optimization/23948
14316 PR tree-optimization/24123
14318 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14319 * tree-cfg.c (single_noncomplex_succ): New.
14320 * tree-flow.h (single_noncomplex_succ): Declare it.
14321 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14322 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14323 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14324 insert_bb, register_division_in, insert_reciprocals,
14325 replace_reciprocal, free_bb): New.
14326 (execute_cse_reciprocals_1): Rewritten.
14327 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14328 Do not commit any edge insertion. Always compute dominators and
14329 create the allocation pool.
14330 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14331 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14332 * targhooks.c (default_min_divistions_for_recip_mul): New.
14333 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14334 * passes.c (init_optimization_passes): Run recip after tree loop
14336 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14338 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14339 Kenneth Zadeck <zadeck@naturalbridge.com>
14341 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14342 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14343 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14344 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14345 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14346 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14347 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14348 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14349 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14350 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14351 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14352 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14353 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14354 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14355 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14356 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14357 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14358 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14359 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14360 DF_SCAN_POST_ALLOC): New macros.
14361 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14362 df_free_bb_function, df_local_compute_function, df_init_function,
14363 df_dataflow_function, df_confluence_function_0,
14364 df_confluence_function_n, df_transfer_function,
14365 df_finalizer_function, df_free_function, df_dump_problem_function,
14366 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14367 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14368 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14369 df_urec_bb_info, ) New types.
14370 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14372 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14373 df_analyze_simple_change_some_blocks,
14374 df_analyze_simple_change_one_block, df_compact_blocks,
14375 df_bb_replace, df_bb_regno_last_use_find,
14376 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14377 df_insn_regno_def_p, df_find_def, df_find_use,
14378 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14379 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14380 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14381 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14382 debug_df_chain, df_get_dependent_problem, df_chain_create,
14383 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14384 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14385 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14386 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14387 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14388 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14389 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14390 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14391 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14392 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14393 df_reorganize_refs, df_set_state, df_hard_reg_init,
14394 df_read_modify_subreg_p) New public functions.
14395 * df-core.c: The core dataflow solver and glue routines for rtl
14397 (df_init, df_add_problem, df_set_blocks, df_finish,
14398 df_hybrid_search_forward, df_hybrid_search_backward,
14399 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14400 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14401 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14402 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14403 df_reg_defined, df_find_use, df_reg_used, df_dump,
14404 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14405 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14406 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14407 debug_df_useno, reset_df_after_reload): New functions.
14408 * df-scan.c: The scanning fuctions, once in df.c, completely
14409 rewritten so that they now fully model the functionality of
14410 register usage at the backend.
14411 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14412 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14413 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14414 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14415 df_get_artificial_defs, df_get_artificial_uses,
14416 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14417 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14418 df_refs_delete, df_reorganize_refs, df_set_state,
14419 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14420 df_def_record_1, df_defs_record, df_uses_record,
14421 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14422 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14423 df_record_exit_block_uses, df_hard_reg_init): New functions.
14425 * df-problems.c: Seven concrete dataflow problems that use the
14426 scanning in df-scan.c and are solved by the engine in df-core.c.
14427 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14428 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14429 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14430 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14431 df_ru_free_bb_info, df_ru_alloc,
14432 df_ru_bb_local_compute_process_def,
14433 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14434 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14435 df_ru_transfer_function, df_ru_free, df_ru_dump,
14436 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14437 df_rd_free_bb_info, df_rd_alloc,
14438 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14439 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14440 df_rd_transfer_function, df_rd_free, df_rd_dump,
14441 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14442 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14443 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14444 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14445 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14446 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14447 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14448 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14449 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14450 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14451 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14452 df_urec_mark_reg_use_for_earlyclobber,
14453 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14454 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14455 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14456 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14457 df_chain_create_bb_process_use, df_chain_create_bb,
14458 df_chain_finalize, df_chain_free, df_chains_dump,
14459 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14460 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14461 df_reg_lifetime): New functions.
14462 * df.c: Deleted file.
14463 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14464 consistent with new df api.
14465 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14466 rest_of_handle_sms): Ditto.
14467 * web.c (unionfind_union, union_defs, entry_register, web_main):
14469 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14470 invariant_expr_equal_p, find_defs, check_dependencies,
14471 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14472 free_inv_motion_data, move_loop_invariants): Ditto.
14473 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14474 Update dependencies.
14475 (odf.c): Added defective entry that was deleted later in day.
14476 * sched-deps.c (sched_analyze_1): Ditto.
14478 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14480 * tree-ssa-operands.c (get_expr_operands): Record addressable
14481 variables directly. Do not call add_stmt_operands for CONST_DECLs
14483 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14484 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14486 2006-01-11 Ben Elliston <bje@au.ibm.com>
14488 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14489 function returns true in the positive case.
14491 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14494 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14495 for SI, DI, SF and DF modes. Add alternatives to copy between
14496 general and floating point registers to the 32-bit patterns.
14497 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14498 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14499 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14500 generating 64-bit code.
14501 * config/pa/pa.c (output_move_double): Handle copies between general
14502 and floating registers.
14504 2006-01-10 Stuart Hastings <stuart@apple.com>
14506 * config/i386/i386.md (set_got): Update.
14507 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14508 (builtin_setjmp_receiver): Mach-O support.
14509 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14510 (GOT_SYMBOL_NAME): Define.
14511 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14512 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14513 * config/i386/i386.c (override_options): Revise for Darwin.
14514 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14515 support. (darwin_x86_file_end): New. (output_set_got): Add label
14516 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14517 * config/i386/i386-protos.h (output_set_got): Likewise.
14518 * config/darwin.c (machopic_legitimize_pic_address): Update
14521 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14523 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14524 when MODE isn't BLKmode.
14526 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14528 PR rtl-optimization/25367
14529 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14531 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14534 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14535 for a negative bound.
14537 2006-01-10 Richard Guenther <rguenther@suse.de>
14539 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14540 Never override with anything constraint.
14542 2006-01-10 Jan Beulich <jbeulich@novell.com>
14544 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14545 256 bits when optimize_size.
14547 2006-01-10 Jan Beulich <jbeulich@novell.com>
14549 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14551 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14552 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14555 2006-01-10 Ben Elliston <bje@au.ibm.com>
14557 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14559 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14560 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14561 (USE_FP_FOR_ARG): Reject decimal float modes.
14562 (function_arg_advance): Likewise.
14563 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14564 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14565 point types in AltiVec vectors.
14566 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14567 (rs6000_libcall_value): Likewise.
14569 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14571 * config/xtensa/ieee754-df.S: New file.
14572 * config/xtensa/ieee754-sf.S: New file.
14573 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14574 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14575 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14577 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14579 * config/sh/predicates.md (binary_float_operator,
14580 binary_logical_operator, commutative_float_operator,
14581 equality_comparison_operator, greater_comparison_operator,
14582 less_comparison_operator, logical_operator,
14583 noncommutative_float_operator, shift_operator,
14584 symbol_ref_operand, unary_float_operator): Remove redundant
14587 2006-01-09 Jeff Law <law@redhat.com>
14589 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14590 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14591 now unused arguments. Callers updated.
14592 (eliminate_redundant_computations): Remove now unused arguments,
14594 (local_fold): Remove, no longer used.
14595 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14597 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14598 (simplify_cond): New function.
14599 (forward_propagate_into_cond): Call simplify_cond.
14601 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14603 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14604 (*vec_extractv2di_1_sse): New.
14606 2006-01-09 Ben Elliston <bje@au.ibm.com>
14608 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14610 2006-01-08 Richard Guenther <rguenther@suse.de>
14612 * tree-ssa-structalias.c (get_constraint_for): Remove
14613 anyoffset argument.
14614 (get_constraint_for_component_ref): Likewise.
14615 (do_deref): Likewise.
14616 (get_constraint_for): Likewise.
14617 (do_structure_copy): Likewise.
14618 (handle_ptr_arith): Likewise.
14619 (find_func_aliases): Likewise. Remove unused need_anyoffset
14622 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14623 Kaz Kojima <kkojima@gcc.gnu.org>
14625 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14626 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14627 (EXTRA_CONSTRAINT_C16): Remove.
14628 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14629 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14630 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14631 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14632 constants of SHmedia. Handle nested constant expressions of
14634 (andcosts): Fix the costs for SHmedia constants.
14635 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14636 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14637 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14638 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14639 (movv4hi_i, movv2si_i): Likewise.
14640 (movsi_const): Adjust the second operand of ior so to match with
14641 the Csu constraint.
14642 (movdi_const, movdi_const_32bit): Likewise.
14643 (movdi_const_16bit+1): Don't sign-extend LOW.
14644 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14646 (*double_shori): Fix the split condition. Use GEN_INT instead
14647 of get_int_mode calls. Mask lower 16-bit of the argument of
14649 (sym2GOTPLT): Remove.
14650 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14652 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14653 instead of EXTRA_CONSTRAINT_C16.
14655 2006-01-07 Ian Lance Taylor <ian@airs.com>
14656 David Edelsohn <edelsohn@gnu.org>
14658 PR rtl-optimization/25662
14659 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14660 for constant operands instead of simplify_gen_binary.
14661 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14662 after trying simplify_binary_operation
14664 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14666 * tree.c (iterative_hash_expr): Hash decls based on UID.
14668 2006-01-06 Eric Christopher <echristo@apple.com>
14670 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14671 (TARGET_UNWIND_EMIT): Fix spelling.
14672 * target.h (gcc_target): Add except_table_label.
14673 * except.c (output_function_exception_table): Use.
14674 * varasm.c (default_emit_except_table_label): New.
14675 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14677 (asm_out): Add here.
14678 * output.h (default_emit_except_table_label): Prototype.
14679 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14680 * config/darwin.c (darwin_emit_except_table_label): Define.
14681 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14683 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14685 PR tree-optimization/18527
14686 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14687 number_of_iterations_special, number_of_iterations_exit):
14688 Move base and step of an iv to a single structure. Add
14689 no_overflow flag, and use it in # of iterations analysis.
14690 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14691 folded_casts argument.
14692 (simple_iv): Pass base and step in a structure. Set no_overflow
14694 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14695 Evaluate expensiveness of computing # of iterations instead of
14696 the final expression.
14697 * tree-scalar-evolution.h (affine_iv): New structure.
14698 (simple_iv): Declaration changed.
14699 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14700 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14701 find_givs_in_stmt): Changed due to simple_iv change.
14703 2006-01-06 Jeff Law <law@redhat.com>
14706 * tree-cfg.c (bsi_replace): Rename final argument from
14707 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14708 change (stmt -> orig_stmt).
14709 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14710 (bsi_remove): Add new argument. Remove EH information
14712 (verify_eh_throw_table_statements): New function.
14713 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14715 * tree-optimize.c (execute_free_cfg_annotations): Verify
14716 the EH throw statement table after removing annotations.
14717 * except.h (verify_eh_throw_table_statements): Prototype.
14718 * tree-flow.h (bsi_remove): Update prototype.
14719 * tree-vrp.c (remove_range_assertions): Add new argument to
14721 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14722 * tree-complex.c (expand_complex_div_wide): Likewise.
14723 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14724 * tree-tailcall.c (eliminate_tailcall): Likewise.
14725 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14726 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14727 * tree-nrv.c (tree_nrv): Likewise.
14728 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14729 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14730 (combine_blocks): Likewise.
14731 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14732 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14733 (cleanup_control_flow): Likewise.
14734 (remove_forwarder_block): Likewise.
14735 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14736 * tree-sra.c (sra_replace): Likewise.
14737 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14738 (forward_propagate_single_use_vars): Likewise.
14739 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14740 * tree-inline.c (expand_call_inline): Likewise.
14741 * tree-vect-transform.c (vect_transform_loop): Likewise.
14742 * tree-outof-ssa.c (rewrite_trees): Likewise.
14743 * tree-cfg.c (make_goto_expr_edges): Likewise.
14744 (cleanup_dead_labels): Likewise.
14745 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14746 (bsi_move_before, bsi_move_after): Likewise.
14747 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14748 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14750 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14753 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14755 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14756 on non gimple variables. Also add checks at the top for decls and
14758 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14760 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14761 and IMAGPART_EXPR for creating MUST_DEFs.
14762 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14763 and NAME_MEMORY_TAG separately from the DECLs.
14765 2006-01-06 Richard Guenther <rguenther@suse.de>
14767 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14768 annotation, if necessary.
14769 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14770 redundant calls to update_stmt.
14771 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14774 2006-01-05 Richard Henderson <rth@redhat.com>
14776 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14778 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14780 * c-typeck.c: Update copyright date.
14782 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14784 * c-typeck.c (build_c_cast): Always warn when casting
14785 from a pointer to an integer of different size, even if
14786 the node was constant.
14788 2006-01-05 Richard Guenther <rguenther@suse.de>
14790 PR tree-optimization/22555
14791 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14792 if one structure field is an array.
14793 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14794 operands even if we found a subvar, but ignore VOPs in this
14796 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14798 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14800 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14802 PR middle-end/24998
14803 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14805 2006-01-05 Richard Guenther <rguenther@suse.de>
14806 Diego Novillo <dnovillo@redhat.com>
14808 * tree-pass.h (TODO_remove_unused_locals): Define.
14809 * gimple-low.c (expand_var_p, remove_useless_vars,
14810 pass_remove_useless_vars): Remove. Update all users.
14811 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14812 (remove_unused_locals): New function.
14813 * tree-flow.h (remove_unused_locals): Declare.
14814 * passes.c (execute_todo): Call remove_unused_locals if
14815 TODO_remove_unused_locals is set.
14816 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14817 * tree-ssa-dce.c (pass_dce): Likewise.
14818 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14820 2006-01-05 Richard Guenther <rguenther@suse.de>
14822 * tree-flow.h (struct fieldoff): Decompose field to
14823 type, size and decl.
14824 * tree-ssa-alias.c (create_sft): Take type as parameter.
14825 (create_overlap_variables_for): Store type, size and decl
14826 in the fieldoff structure.
14827 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14828 of struct fieldoff.
14829 (push_fields_onto_fieldstack): Likewise.
14830 (create_variable_info_for): Likewise. Use offset for the
14831 SFT name if the decl is not available.
14833 2006-01-04 Paul Brook <paul@codesourcery.com>
14835 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14837 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14839 * lambda-code.c (can_put_in_inner_loop): Relax
14841 (can_put_after_inner_loop): New function.
14842 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14843 (perfect_nestify): Change to make copies and modify uses.
14845 2006-01-04 Richard Henderson <rth@redhat.com>
14847 Merge from gomp branch:
14848 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14849 via integer constant.
14850 (pragma_lex): Remove.
14851 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14852 rather than parsing it.
14853 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14854 handle_pragma_extern_prefix): Add %< %> quotes.
14855 (registered_pragmas): New.
14856 (c_register_pragma_1): New.
14857 (c_register_pragma): Use it.
14858 (c_register_pragma_with_expansion): Likewise.
14859 (c_invoke_pragma_handler): New.
14860 (init_pragma): Use cpp_register_deferred_pragma directly for
14862 * c-pragma.h (enum pragma_kind): New.
14863 (pragma_handler): New.
14864 (c_invoke_pragma_handler): Declare.
14865 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14867 * c-common.h (c_common_pch_pragma): Update decl.
14868 * Makefile.in (c-parser.o): Update dependencies.
14869 (GTFILES): Add c-pragma.h.
14870 * c-parser.c (struct c_token): Add pragma_kind.
14871 (struct c_parser): Add in_pragma.
14872 (c_lex_one_token): Always initialize keyword and pragma_kind.
14873 Extract data for CPP_PRAGMA.
14874 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14875 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14876 Don't allow CPP_PRAGMA_EOL if in_pragma.
14877 (c_parser_consume_pragma): New.
14878 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14879 (c_parser_skip_to_end_of_parameter): Likewise.
14880 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14881 (c_parser_skip_to_pragma_eol): New.
14882 (c_parser_external_declaration): Handle CPP_PRAGMA.
14883 (c_parser_compound_statement_nostart): Likewise.
14884 (c_parser_statement_after_labels): Likewise.
14885 (c_parser_pragma): New.
14886 (pragma_lex): Likewise.
14887 (c_parser_pragma_pch_preprocess): New.
14888 (c_parser_new): Merge into ...
14889 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14891 2006-01-04 Jeff Law <law@redhat.com>
14894 * tree-cfg.c (bsi_replace): Remove the original statement
14895 from the EH throw statement table.
14897 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14899 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14900 make the prototype extern "C" and add throw ().
14903 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14904 and pos non-negative and pos + len <= 32.
14905 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14906 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14907 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14910 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14911 as well as sizes not multiple of component size.
14914 * function.c (instantiate_expr): New function.
14915 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14916 walk its DECL_VALUE_EXPR with instantiate_expr.
14918 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14919 DW_OP_deref{,_size} if address isn't going to be added.
14921 2006-01-04 Ben Elliston <bje@au.ibm.com>
14923 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14924 * config/fp-bit.c: Likewise.
14926 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14928 * dominance.c: Add comment about why we use DFS numbering
14931 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14932 Richard Henderson <rth@redhat.com>
14934 Merge from gomp-branch:
14935 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14936 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14938 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14940 PR rtl-optimization/25578
14941 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14942 pass a parameter to simplify_shift_const if changing ASHIFTRT
14945 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14947 * builtins.c (get_builtin_sync_mem): New function.
14948 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14949 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14950 Call get_builtin_sync_mem to generate mem rtx.
14952 2006-01-03 Richard Guenther <rguenther@suse.de>
14955 * stmt.c (add_case_node): Make sure to clear overflow flags
14958 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14960 Merge from gomp-branch.
14961 * config/sparc/sync.md: New file.
14962 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14963 UNSPECV_LDSTUB): New constants.
14964 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14965 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14966 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14969 2006-01-03 Roger Sayle <roger@eyesopen.com>
14971 * combine.c (reg_subword_p): New predicate to test whether the
14972 destination of a set refers to a subword/piece of a register.
14973 (try_combine): Generalize the code to merge the setting of a
14974 pseudo to a constant followed by a set of a subword of that
14975 register to a constant.
14977 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14979 * basic-block.h (control_flow_graph): Change the type of
14980 x_label_to_block_map to VEC(basic_block,gc) *.
14981 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14982 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14984 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14985 VEC(basic_block,heap) *.
14986 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14987 ssa_prop_fini): Adjust the uses of cfg_blocks.
14989 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14991 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14993 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14994 hashing trees instead of a pointer hash.
14995 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14996 compare for MEM_EXPR.
14998 PR rtl-optimization/25130
14999 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15000 when comparing MEMs for GCSE
15002 2006-01-03 Ben Elliston <bje@au.ibm.com>
15004 * targhooks.h (default_decimal_float_supported_p): Declare.
15005 * targhooks.c (default_decimal_float_supported_p): Define.
15006 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15007 `default_decimal_float_supported_p'.
15008 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15010 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15012 * combine.c (apply_distributive_law <SUBREG>): Check
15013 TRULY_NOOP_TRUNCATION.
15015 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15017 * dwarf2out.c (have_switched_text_section): Delete.
15018 (have_multiple_function_sections): New.
15019 (have_location_lists): Make 'bool'.
15020 (add_AT_loc_list): Use 'true' not '1'.
15021 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15022 (output_loc_list): Use have_multiple_function_sections.
15023 (output_ranges): Likewise.
15024 (dwarf2out_begin_function): Set have_multiple_function_sections if
15026 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15027 Check function_section rather than DECL_SECTION_NAME.
15028 (dwarf2out_finish): Use have_multiple_function_sections.
15029 Don't clear have_location_lists.
15031 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15032 Jan Hubicka <jh@suse.cz>
15034 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15035 case of conditional jump jumping to the next instruction.
15036 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15037 cases of conditional jump jumping to the next instruction.
15039 2006-01-02 Jan Hubicka <jh@suse.cz>
15041 * i386.c (*_cost): Add COSTS_N_INSNS.
15042 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15044 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15047 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15049 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15051 * config/arm/arm.c (all_fpus): Fix comment typo.
15052 * config/darwin.c: Likewise.
15053 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15054 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15055 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15057 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15059 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15060 (rs6000_split_compare_and_swapqhi): New.
15061 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15062 (sync_compare_and_swapqhi_internal): New.
15063 * config/rs6000/rs6000-protos.h: Declare.