1 2006-09-19 Eric Christopher <echristo@apple.com>
3 * doc/tm.texi (OBJC_JBLEN): Describe.
4 * config/i386/darwin.h (OBJC_JBLEN): Define.
5 * config/rs6000/darwin.h: Ditto.
7 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
9 PR rtl-optimization/21299
10 * reload1.c (reload): Purge invalid ASMs in the final pass.
12 2006-09-19 Steve Ellcey <sje@cup.hp.com>
15 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
16 pointers as legitimate constants.
18 2006-09-19 Paul Brook <paul@codesourcery.com>
21 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
23 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
25 PR tree-optimization/28887
26 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
27 component parts from the reference.
28 (gather_memory_references_ref): Record the reference without the
29 nonaddressable component parts.
31 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
34 * c-opts.c (c_common_handle_option): Ignore the -std options
35 if the input language is assembly.
37 2006-09-17 Ira Rosen <irar@il.ibm.com>
40 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
42 (ptr_ptr_may_alias_p): Likewise.
43 (record_record_differ_p): New function.
44 (base_object_differ_p): Call record_record_differ_p.
46 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
49 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
50 away for the expr argument.
52 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
55 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
56 before using it for dumping after vectorizing loops.
58 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
59 Jack Howarth <howarth@bromo.med.uc.edu>
62 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
63 skip on error_mark_node.
64 (rs6000_darwin64_record_arg_recurse): Likewise.
66 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
68 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
69 * doc/rtl.texi: Remove related documentation.
71 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
73 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
76 2006-09-15 Jim Wilson <wilson@specifix.com>
78 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
79 Handle symbol offsets same as they are handled in ia64_expand_move
82 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
84 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
85 Add forgotten parameter to the fprintf call.
87 2006-09-15 Steve Ellcey <sje@cup.hp.com>
89 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
91 2006-09-15 Uros Bizjak <uros@kss-loka.si>
93 * doc/contrib.texi: Add my entry.
95 2006-09-15 Nick Clifton <nickc@redhat.com>
97 * doc/md.texi (Processor pipeline description): Fix typo in
98 example of how to use the absence_set directive and reword the
99 description to make it slightly easier to read.
101 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
103 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
104 * loop-doloop.c (doloop_optimize): Use it to limit costs of
105 expanding the number of iterations.
106 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
108 * cfgrtl.c (emit_insn_at_entry): New function.
109 * rtl.h (emit_insn_at_entry): Declare it.
110 * integrate.c (emit_initial_value_sets): Use it.
112 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
114 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
116 (struct loop_work and related VEC declarations): Delete.
117 (bfin_dump_loops): Print out new member bad.
118 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
119 (bfin_scan_loop): Don't recurse.
120 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
121 loops. No longer need to update outer loops if the current one is
122 found bad. Move some validitiy checks to bfin_discover_loop.
123 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
124 but changed not to check for nesting. Also changed to use the new bad
126 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
127 time. Use bitmap based test to discover loop nesting.
129 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
131 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
134 2006-09-14 Richard Guenther <rguenther@suse.de>
135 Kazu Hirata <kazu@codesourcery.com>
138 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
139 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
140 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
141 with TARGET_FUNCTION_VALUE.
143 2006-09-14 Anatoly Sokolov <aesok@post.ru>
146 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
148 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
150 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
153 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
156 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
159 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
161 * basic_block.h (bb_has_eh_pred): Fix comment.
163 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
165 * flow.c (calculate_global_regs_live): Invalidate eh registers
166 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
167 (propagate_block): Handle eh registers as if they were set at basic
169 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
171 * global.c (global_conflicts): Make eh registers to conflict with
172 pseudos live at basic block begin.
173 * basic_block.h (bb_has_eh_pred): New function.
175 2006-09-13 Richard Sandiford <richard@codesourcery.com>
177 PR rtl-optimization/28982
178 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
179 index of a PRE_MODIFY or POST_MODIFY address.
180 * reload1.c (inc_for_reload): Use find_replacement on the original
181 base and index registers.
183 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
185 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
186 for -Os. Update __m128 alignment requirement.
188 2006-09-13 Jan Hubicka <jh@suse.cz>
190 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
192 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
194 PR rtl-optimization/28243
195 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
196 the insn to which the note was originally attached.
198 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
199 Roger Sayle <roger@eyesopen.com>
201 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
202 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
203 on platforms that don't use dwarf for debug info.
205 2006-09-12 Jason Merrill <jason@redhat.com>
208 * builtins.c (expand_builtin_setjmp_receiver): Clobber
209 hard_frame_pointer_rtx after using it to update the frame pointer.
211 2006-09-12 Roger Sayle <roger@eyesopen.com>
213 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
214 (TARGET_ASM_CLOSE_PAREN): Likewise.
215 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
216 (TARGET_ASM_CLOSE_PAREN): Likewise.
218 2006-09-12 Roger Sayle <roger@eyesopen.com>
221 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
222 frame information for frames larger than 512 Kbytes on Tru64 when
223 using the native assembler.
225 2006-09-12 Roger Sayle <roger@eyesopen.com>
229 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
230 and symbols. Instead use the implementation from cse.c's hash_rtx.
232 2006-09-12 Jan Hubicka <jh@suse.cz>
234 PR rtl-optimization/28071
235 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
236 (vect_transform_loop): Likewise.
237 * tree-vectorizer.c (new_loop_vec_info): Likewise.
238 (new_loop_vec_info): Likewise.
239 (destroy_loop_vec_info): Likewise.
240 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
241 (create_stmt_ann): Likewise.
242 (create_tree_ann): Rename to ...
243 (create_tree_common_ann): ... this one; allocate only the common part
245 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
246 (get_value_handle): Likewise.
247 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
249 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
250 (vinfo_for_stmt): Use stmt annotations.
251 * tree-flow.h (tree_ann_common_t): New type.
252 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
253 (tree_ann, get_tree_ann, create_tree_ann): New.
254 * tree-flow-inline.h (get_function_ann): Do more type checking.
255 (stmt_ann): Likewise.
256 (tree_ann): Rename to ...
257 (tree_common_ann): ... this one; return ony common_ann
258 (get_tree_ann): Rename to ...
259 (tree_common_ann): This one; return only common_ann.
260 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
263 2006-09-11 Geoffrey Keating <geoffk@apple.com>
265 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
268 * dwarf2out.c (dwarf_file_data): New.
269 (enum dw_val_class): Add dw_val_class_file.
270 (struct dw_val_struct): Add val_file.
271 (file_table): Change to a hash table.
272 (file_table_emitted): Delete.
273 (file_table_last_lookup_index): Delete.
275 (last_emitted_file): New.
276 (lookup_filename): Change prototype to return a struct dwarf_file_data.
277 (init_file_table): Delete.
278 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
279 (AT_addr): Add comment.
283 (print_die): Handle dw_val_class_file.
284 (print_dwarf_line_table): Update for new file table structure.
285 (attr_checksum): Do checksum a filename.
286 (same_dw_val_p, same_attr_p): Do compare a filename.
287 (size_of_die): Handle dw_val_class_file.
288 (value_format): Likewise.
289 (output_die): Likewise. Also, call maybe_emit_file here.
290 (struct file_info): Constify filenames. Make file_idx a pointer
291 to a struct dwarf_file_data.
292 (struct dir_info): Constify directory names. Remove 'used' field.
293 (struct file_name_acquire_data): New.
294 (file_name_acquire): New.
295 (output_file_names): Modify to handle new file data structures.
296 (add_src_coords_attributes): Use add_AT_file.
297 (add_call_src_coords_attributes): Likewise.
298 (dwarf2out_imported_module_or_decl): Likewise.
299 (gen_subprogram_die): Modify for new file data structures.
300 (gen_variable_die): Likewise.
301 (file_table_eq): New.
302 (file_table_hash): New.
303 (file_table_last_lookup): New.
304 (lookup_filename): Rewrite to handle new file data structures.
305 (maybe_emit_file): Rewrite to handle new file data structures.
306 (dwarf2out_source_line): Always call lookup_filename and
308 (dwarf2out_init): Create file_table here.
309 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
310 (file_table_relative_p): New.
311 (dwarf2out_finish): Change detection of relative filenames
312 to work with new file data structures. Move output_line_info call
313 after debug_info output.
315 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
320 * config/i386/i386.c (override_options): Always default to 16
323 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
326 * var-tracking.c (dump_dataflow_set): Start dumping at
328 (clobber_variable_part): Kill only the variable part in
329 registers holding it, leaving other variables alone.
331 2006-09-11 Josh Triplett <josh@freedesktop.org>
333 * doc/extend.texi (Other Builtins): Actually use the macro
334 argument in the documentation example for
335 __builtin_types_compatible_p.
337 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
339 PR rtl-optimization/28726
340 * sched-deps.c (sched_analyze_reg): New function extracted from...
341 (sched_analyze_1): ...here. Call it to analyze references to
342 registers. Treat again writes to a stack register as writing to the
344 (sched_analyze_2): ...and here. Call it to analyze references to
345 registers. Treat again reads of a stack register as reading the
348 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
349 David Edelsohn <edelsohn@gnu.org>
352 * config/rs6000/spe.md (frob_df_di): Remove %H.
353 (frob_di_df): Remove %H. Change evmergelo to mr.
354 (frob_di_df_2): Remove %H. Change evldd to two loads.
356 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
358 * doc/cpp.texi: Fix names of charset options.
360 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
363 * config/i386/i386.c (override_options): Use 128-bit
364 stack boundary always for 64bits.
366 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
368 PR rtl-optimization/28636
369 * combine.c (force_to_mode): Test for side-effects before
370 substituting by zero.
371 (simplify_shift_const): Likewise for zero or other constants.
373 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
376 * builtins.c (expand_builtin_setjmp): Force next_lab to be
379 2006-09-10 Richard Sandiford <richard@codesourcery.com>
382 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
383 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
384 returned by mode_for_size, rather than the mode of src itself,
385 to choose between 32-bit and 64-bit patterns.
386 (mips_mem_fits_mode_p): New function.
387 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
388 that the size of the source matches the size of the destination.
389 (mov_<store>l, mov_<store>r): Likewise.
391 2006-09-10 Eric Christopher <echristo@apple.com>
393 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
396 2006-09-09 Eric Christopher <echristo@apple.com>
399 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
402 2006-09-09 Roger Sayle <roger@eyesopen.com>
403 Nicolas Setton <setton@adacore.com>
405 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
407 2006-09-10 Andreas Schwab <schwab@suse.de>
409 * config/m68k/m68k.md (bungt_rev): New pattern.
411 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
412 Dale Johannesen <dalej@apple.com>
415 * regclass.c (struct reg_pref): Update documentation.
416 (regclass): Set prefclass to NO_REGS if memory is the best option.
417 (record_reg_classes): Cope with a prefclass set to NO_REGS.
419 2006-09-08 Eric Christopher <echristo@apple.com>
421 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
422 * config/t-slibgcc-darwin: Support x86_64 multilib.
423 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
424 Return 1 for x86_64-darwin.
425 * config/i386/t-darwin: Add m64 multilib.
426 (LIB2_SIDITI_CONV_FUNCS): Use.
427 (LIB2FUNCS_EXTRA): Ditto.
428 * config/i386/darwin.h: Support x86_64.
429 * config/i386/i386.c (override_options): Turn on flag_pic
430 for x86_64-darwin. Disable flag_omit_pointer.
431 (get_pc_thunk_name): Assert !TARGET_64BIT.
432 (legitimate_address_p): Disable machopic addressing for
434 (legitimize_pic_address): Ditto.
435 (ix86_expand_move): Ditto.
436 (ix86_expand_call): Ditto.
437 (machopic_output_stub): Ditto.
438 * config/darwin.c (machopic_select_section): Support literal16.
439 (machopic_select_rtx_section): Ditto.
440 * config/darwin-sections.def: Ditto.
441 * config/darwin-64.c: New.
443 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
446 * c-tree.h (struct c_arg_info): Add pending_sizes.
447 * c-parser.c (c_parser_parms_declarator,
448 c_parser_parms_list_declarator): Initialize pending_sizes.
449 * c-decl.c (get_parm_info): Initialize pending_sizes.
450 (get_parm_info): Set pending_sizes.
451 (grokdeclarator): Call put_pending_sizes for parameters for
452 function definition only.
454 2006-09-07 Jason Merrill <jason@redhat.com>
457 * varasm.c (output_constant): Only strip actual no-op conversions.
460 * config/i386/i386.c (override_options): Use 128-bit
461 stack boundary if -msse.
463 2006-09-07 Eric Christopher <echristo@apple.com>
465 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
467 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
470 2006-09-07 Geoffrey Keating <geoffk@apple.com>
472 * dwarf2out.c: Remove strange characters from comment above
473 dwarf2out_frame_debug_expr.
475 2006-09-07 Eric Christopher <echristo@apple.com>
477 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
478 * config/darwin.h: ... to here.
480 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
482 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
484 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
485 (TARGET_PARTIAL_FLAG_REG_STALL): New.
487 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
488 TARGET_PARTIAL_FLAG_REG_STALL.
489 (*ashldi3_cconly_rex64): Likewise.
490 (*ashlsi3_cmp): Likewise.
491 (*ashlsi3_cconly): Likewise.
492 (*ashlsi3_cmp_zext): Likewise.
493 (*ashlhi3_cmp): Likewise.
494 (*ashlhi3_cconly): Likewise.
495 (*ashlqi3_cmp): Likewise.
496 (*ashlqi3_cconly): Likewise.
497 (*ashrdi3_cmp_rex64): Likewise.
498 (*ashrdi3_cconly_rex64): Likewise.
499 (*ashrsi3_cmp): Likewise.
500 (*ashrsi3_cconly): Likewise.
501 (*ashrsi3_cmp_zext): Likewise.
502 (*ashrhi3_cmp): Likewise.
503 (*ashrhi3_cconly): Likewise.
504 (*ashrqi3_cmp): Likewise.
505 (*ashrqi3_cconly): Likewise.
506 (*lshrdi3_cmp_rex64): Likewise.
507 (*lshrdi3_cconly_rex64): Likewise.
508 (*lshrsi3_cmp): Likewise.
509 (*lshrsi3_cconly): Likewise.
510 (*lshrsi3_cmp_zext): Likewise.
511 (*lshrhi3_cmp): Likewise.
512 (*lshrhi3_cconly): Likewise.
513 (*lshrqi2_cmp): Likewise.
514 (*lshrqi2_cconly): Likewise.
516 2006-09-07 Uros Bizjak <uros@kss-loka.si>
519 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
520 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
521 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
522 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
523 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
524 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
525 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
526 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
527 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
528 implement only CC setting effects of shift instructions.
530 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
532 * doc/contrib.texi: Add myself.
534 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
537 * stor-layout.c (relayout_decl): Don't zero the alignment if it
540 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
543 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
544 (divsi_inv_m1): Use them.
545 (UNSPEC_DIV_INV_TABLE): New constant.
547 2006-09-06 James E Wilson <wilson@specifix.com>
550 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
551 then call count_or_remove_death_notes.
553 2006-09-06 Jason Merrill <jason@redhat.com>
556 * tree-inline.c (copy_result_decl_to_var): New fn.
557 (declare_return_variable): Use it. Call declare_inline_vars here.
558 (expand_call_inline): Not here.
560 2006-09-06 Diego Novillo <dnovillo@redhat.com>
562 * doc/contrib.texi: Update my entry.
564 2006-09-06 Nick Clifton <nickc@redhat.com>
566 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
568 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
571 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
572 (canonicalize_induction_variables): Likewise.
573 (tree_unroll_loops_completely): Likewise.
574 (tree_ssa_prefetch_arrays): Likewise.
575 (remove_empty_loops): Likewise.
576 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
577 TODO_cleanup_cfg instead of directly calling
578 cleanup_tree_cfg_loop.
579 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
581 (tree_unroll_loops_completely): Likewise.
582 (remove_empty_loops): Likewise.
583 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
584 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
585 of tree_ssa_unswitch_loops.
586 (tree_ssa_loop_ivcanon): Use the return value of
587 canonicalize_induction_variables.
588 (tree_ssa_empty_loop): Use the return value of
590 (tree_complete_unroll): Use the return value of
591 tree_unroll_loops_completely.
592 (tree_ssa_loop_prefetch): Use the return value of
593 tree_ssa_prefetch_arrays.
594 * passes.c (execute_todo): Before Cleanup CFG, set
595 updating_used_alone and after cleanup CFG, call
596 recalculate_used_alone.
598 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
601 * tree-vect-transform.c (vectorizable_condition): Move the check
602 for the type after the check for simple condition.
604 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
605 Kaz Kojima <kkojima@gcc.gnu.org>
608 * mode-switching.c (optimize_mode_switching): Make the destination
609 block of an abnormal edge have no anticipatable mode. Don't
610 insert mode switching code at the end of the source block of
613 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
615 PR rtl-optimization/26847
616 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
617 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
618 (simplify_plus_minus): Count n_constants while filling ops. Replace
619 qsort with insertion sort. Before going through the array to simplify
620 pairs, sort it. Delay early exit until after the first sort, exiting
621 only if no swaps occurred. Simplify pairs in reversed order, without
622 special-casing the first iteration. Pack ops after simplifying pairs.
624 2006-09-05 Anatoly Sokolov <aesok@post.ru>
626 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
627 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
628 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
629 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
631 2006-09-05 Richard Guenther <rguenther@suse.de>
633 PR tree-optimization/28900
634 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
635 compound conditional before creating COND_EXPR condition.
637 2006-09-05 Richard Guenther <rguenther@suse.de>
639 PR tree-optimization/28905
640 * tree-vrp.c (fix_equivalence_set): Manually implement
641 !value_ranges_intersect_p to also handle symbolic ranges.
643 2006-09-05 Richard Guenther <rguenther@suse.de>
646 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
649 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
651 PR rtl-optimization/27616
652 * cse.c (table_size): New static variable.
653 (new_basic_block): Initialize it to 0.
654 (remove_from_table): Decrement it.
655 (insert): Increment it.
656 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
657 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
658 fold_rtx_mem_1 if under the cap.
659 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
660 the lookup of the equivalent expression and test for equality of the
661 first operand of the equivalent expression before in turn looking up
662 an equivalent constant for the second operand.
664 2006-09-02 Geoffrey Keating <geoffk@apple.com>
667 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
668 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
669 pointer, instead of assuming it is possible to derive the
670 correct args size from a call insn.
672 2006-09-02 Jakub Jelinek <jakub@redhat.com>
675 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
676 (fold_builtin_mempcpy): Rename to...
677 (fold_builtin_memory_op): ... this. Optimize one element copy
679 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
681 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
682 (expand_builtin_memcpy, expand_builtin_mempcpy,
683 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
684 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
685 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
686 BUILT_IN_MEM{CPY,PCPY,MOVE}.
688 2006-09-01 DJ Delorie <dj@redhat.com>
690 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
692 ("stzx_24_<mode>"): Likewise.
693 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
694 ("cmp<mode>_op"): New.
695 (cmp<mode>): Change to expander; just save operands.
697 (b<code>): Change to expander, emit compare here.
698 (s<code>_op): Change to use split and expander.
699 (s<code>_24_op): Likewise.
700 (s<code>_<mode>): New.
701 (s<code>_<mode>_24): New.
702 (movqicc_<code>_<mode): New.
703 (movhicc_<code>_<mode>): New.
706 * config/m32c/m32c.c (compare_op0, compare_op1): New.
707 (m32c_pend_compare): New.
708 (m32c_unpend_compare): New.
709 (m32c_expand_scc): New.
710 (m32c_expand_movcc): Emit the compare also.
711 * config/m32c/predicates.md (mra_nopp_operand): New.
713 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
714 Richard Guenther <rguenther@suse.de>
715 Adam Nemet <anemet@caviumnetworks.com>
718 * builtins.c (get_pointer_alignment): Handle more forms
719 of base addresses that can be used to derive more precise
720 information about alignment.
722 2006-09-01 Jason Merrill <jason@redhat.com>
725 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
728 * gimplify.c (voidify_wrapper_expr): Handle null type.
730 2006-09-01 Josh Conner <jconner@apple.com>
733 * tree-nrv.c (dest_safe_for_nrv_p): New function.
734 (execute_return_slot_opt): Use it.
736 2006-08-31 Josh Conner <jconner@apple.com>
739 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
740 returning aggregates.
742 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
744 PR tree-optimization/28839
745 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
746 blocks in that phi arguments appear.
748 2006-08-31 Roger Sayle <roger@eyesopen.com>
751 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
752 NULL, otherwise use an advance_loc4 to adjust relative to the
754 (output_cfi) <DW_CFA_set_loc>: Update the current label.
755 (dwarf2out_switch_text_section): Reset the current label to avoid
756 using advance_loc4 over section boundaries.
758 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
761 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
762 r12 + SYMBOLIC_CONST.
764 2006-08-30 Richard Guenther <rguenther@suse.de>
766 * Makefile.in (see.o): Add $(EXPR_H) dependency.
768 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
770 PR rtl-optimization/27735
771 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
772 Add new argument to keep track of whether an irreducible region
773 was affected. All callers changed.
774 (fix_irreducible_loops): Removed.
775 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
776 flags were invalidated.
778 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
780 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
781 instead of SF operands.
782 (*fop_df_comm_sse): Likewise.
783 (*fop_df_comm_i387): Likewise.
784 (*fop_df_1_mixed): Likewise.
785 (*fop_df_1_sse): Likewise.
787 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
788 J"orn Rennecke <joern.rennecke@st.com>
790 PR tree-optimization/17506
791 * tree-ssa.c (warn_uninit): If warning about a location outside of
792 the current function, note where the variable was declared.
794 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
796 PR tree-optimization/28411
797 * double-int.c (double_int_div): Use double_int_divmod.
798 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
799 double_int_mod, double_int_smod, double_int_umod): New functions.
800 * double-int.h (double_int_divmod, double_int_sdivmod,
801 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
803 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
805 (get_computation_aff, get_computation_cost_at): Handle double_int
806 return type of constant_multiple_of.
808 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
811 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
812 an implicit conversion.
814 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
816 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
818 2006-08-27 Roger Sayle <roger@eyesopen.com>
820 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
823 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
825 * config/i386/crtfastmath.c: Fix a comment typo.
827 2006-08-26 Roger Sayle <roger@eyesopen.com>
829 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
830 temporary visit flags on CASE_LABEL_EXPRs.
831 * c-common.c (match_case_to_enum): Add function comment. Avoid
832 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
833 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
834 CASE_HIGH_SEEN for enumerated types. If the switch expression is
835 a constant, only warn if that constant value isn't handled.
837 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
840 * input.h (restore_input_file_stack): Declare.
841 (INPUT_FILE_STACK_BITS): Define.
842 * toplev.c (fs_p, input_file_stack_history,
843 input_file_stack_restored, restore_input_file_stack): New.
844 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
845 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
846 (pop_srcloc): Don't free old state of stack.
848 2006-08-26 David Edelsohn <edelsohn@gnu.org>
851 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
852 (PowerPC Type Attributes): New.
854 2006-08-26 Bob Wilson <bob.wilson@acm.org>
856 * config/xtensa/xtensa.c (function_arg_boundary): New.
857 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
859 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
860 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
862 2006-08-26 Jakub Jelinek <jakub@redhat.com>
865 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
868 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
870 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
871 (verify_local_live_at_start): Likewise.
873 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
876 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
877 omp_add_variable): Treat sizes as variable whenever not
880 2006-08-26 Richard Guenther <rguenther@suse.de>
883 * fold-const.c (fold_binary): Fold temporary to correct
884 type before constructing new comparison.
886 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
889 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
890 variable again if DECL_SEEN_IN_BIND_EXPR_P.
892 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
895 * c-decl.c (start_function): Don't try to process prototype
896 information from old declaration that isn't a function.
898 2006-08-25 Jan Hubicka <jh@suse.cz>
901 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
903 2006-08-25 Alan Modra <amodra@bigpond.net.au>
906 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
909 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
911 PR tree-optimization/16876
912 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
913 exit if PARM doesn't match VALUE.
915 2006-08-25 Bob Wilson <bob.wilson@acm.org>
917 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
918 literal_prefix directive.
919 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
920 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
921 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
923 2006-08-25 David Edelsohn <edelsohn@gnu.org>
926 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
927 predicate to general_operand. Add 0->y and I->r alternatives.
929 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
931 * doc/tm.texi: Fix a typo.
932 * predict.c: Fix comment typos.
934 2006-08-25 Nick Clifton <nickc@redhat.com>
936 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
937 assertions of "cpu" and "machine".
939 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
942 * tree-ssa-operands.c (access_can_touch_variable): Don't say
943 the access through a base which has an alias set of 0 cannot
946 2006-08-24 Bill Wendling <wendling@apple.com>
948 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
950 2006-08-24 Jan Hubicka <jh@suse.cz>
952 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
954 2006-08-24 Jan Hubicka <jh@suse.cz>
957 * cgraph.c: Fix comments.
958 (cgraph_varpool_mark_needed_node): Mark only variables not already
960 * cgraphunit.c: Update comments; include gt-cgraphunit.h
961 (cgraph_varpool_assembled_nodes_queue): New static variable.
962 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
963 (cgraph_varpool_output_debug_info): New function.
964 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
965 * Makefile.in: Add gt-cgraphunit.h
967 2006-08-24 Jan Hubicka <jh@suse.cz>
969 * predict.c (probability_reliable_p): New predicate.
970 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
971 (predict_loops): Do not predict loop exit with less than 2%
973 * basic-block.h (edge_probability_reliable_p,
974 br_prob_note_reliable_p): Declare.
975 * ia64.h (ia64_print_operand): Do not disable on-chip branch
976 prediction when static predictor is not reliable.
977 * rs6000.c (output_cbranch): Likewise.
979 2006-08-23 Stuart Hastings <stuart@apple.com>
982 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
983 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
985 2006-08-21 Geoffrey Keating <geoffk@apple.com>
988 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
989 complex values, nor for generic vector values.
991 2006-08-22 Richard Guenther <rguenther@suse.de>
994 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
995 parameter. Convert arguments to arithmetic expression to the
997 (analyze_scalar_evolution_1): Adjust caller.
999 2006-08-22 Jan Hubicka <jh@suse.cz>
1001 Patch by Paolo Bonzini
1002 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1005 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1007 PR tree-optimization/28003
1008 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1009 before grouping aliases.
1011 2006-08-22 Roger Sayle <roger@eyesopen.com>
1013 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1014 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1016 2006-08-21 Jason Merrill <jason@redhat.com>
1019 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1020 wrapper. Loop to handle nested wrappers.
1021 (gimplify_bind_expr): Remove temp parameter.
1022 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1023 and STATEMENT_LIST on the rhs.
1024 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1025 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1026 (gimplify_target_expr): Remove special BIND_EXPR handling.
1028 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1030 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1033 2006-08-21 Olivier Hainque <hainque@adacore.com>
1035 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1036 Arrange for the temporary captures of components overlapping the lhs
1037 to happen before the lhs is possibly cleared.
1039 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1041 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1042 necessary places to pass the correct "number of registers" values
1045 2006-08-20 Jan Hubicka <jh@suse.cz>
1047 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1048 (create_name_tags): Instead of quadratic checking use hashtable.
1049 * bitmap.h: Include hashtab.h.
1050 (bitmap_hash): Declare.
1051 * bitmap.c (bitmap_hash): New function.
1053 2006-08-20 Jan Hubicka <jh@suse.cz>
1055 PR rtl-optimization/28071
1056 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1058 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1059 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1060 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1061 cgraph_decide_inlining_incrementally): Update use of
1062 cgraph_check_inline_limits.
1063 * cgraph.c (edge_hash, edge_eq): New function.
1064 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1065 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1066 cgraph_remove_node): Maintain call site hash.
1067 * cgraph.h (struct cgraph_node): Add call_site_hash.
1068 (cgraph_set_call_stmt): New function.
1070 2006-08-20 Jan Hubicka <jh@suse.cz>
1072 PR rtl-optimization/28071
1073 * reload1.c (reg_has_output_reload): Turn into regset.
1074 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1075 choose_reload_regs, emit_reload_insns): Update to new
1076 reg_has_output_reload.
1078 2006-08-20 Jan Hubicka <jh@suse.cz>
1081 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1082 function body sizes.
1083 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1085 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1088 * tree.c (handle_dll_attribute): Return early if not a
1089 var or function decl.
1091 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1094 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1095 alignment of SPE vector types.
1097 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1099 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1101 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1104 * cgraph.h (struct cgraph_node): Remove externally_visible
1106 * cgraphunit.c (process_function_and_variable_attributes): Set
1107 local.externally_visible rather than externally_visible.
1110 * c-common.c (handle_externally_visible_attribute): First look
1111 at TREE_CODE and only if it is function or var decl, check for
1112 non-public objects. Don't warn for DECL_EXTERNAL.
1113 * cgraphunit.c (process_function_and_variable_attributes): Warn
1114 if externally_visible attribute is used on non-public object.
1116 2006-08-17 Jan Hubicka <jh@suse.cz>
1118 PR tree-optimization/27865
1119 * reload1.c (forget_marked_reloads): New function.
1120 (forget_old_reloads_1): When data are passed, just mark the registers
1122 (reload_as_needed): Use the new mechanizm.
1124 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1127 * reload.h (reg_equiv_alt_mem_list): New declaration.
1128 * reload1.c (reg_equiv_alt_mem_list): New definition.
1129 (reload): Initialize it and release it.
1130 (delete_output_reload): Use it.
1131 * reload.c (push_reg_equiv_alt_mem): New function.
1132 (find_reloads_toplev): Call it.
1133 (find_reloads_address, find_reloads_address_1): Likewise.
1134 (find_reloads_subreg_address): Likewise.
1136 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1138 PR rtl-optimization/28489
1139 * sched-ebb.c (begin_schedule_ready): Create basic block
1141 (advance_target_bb): Skip empty blocks.
1142 * haifa-sched.c (bb_note): Make global.
1143 * sched-int.h (bb_note): Add prototype.
1145 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1147 PR tree-optimization/27865
1148 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1150 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1151 fold_used_pointer, pointer_used_p): New functions.
1152 (analyze_scalar_evolution_1): Use fold_used_pointer.
1153 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1154 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1157 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1160 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1161 or the INTEGER_CST. Fail on a CALL_EXPR.
1162 (fold_offsetof): Pass new argument to fold_offsetof_1.
1163 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1164 operand into an INDIRECT_REF.
1165 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1167 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1169 PR gcov/profile/26570
1170 * value-prof.c (static_values): Removed.
1171 (tree_find_values_to_profile): Do not set static_values.
1172 (find_values_to_profile): Do not free static_values.
1173 * profile.c (instrument_values): Do not free the values.
1174 (branch_prob): Free the values.
1176 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1178 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1180 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1183 * c-typeck.c (build_component_ref): Combine qualifiers of
1184 structure or union and field.
1186 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1188 PR rtl-optimization/28071
1189 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1190 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1191 * tree-into-ssa.c (struct dom_dfsnum): New.
1192 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1194 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1195 compute_global_livein.
1196 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1197 in phi nodes in the correct blocks.
1199 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1201 PR tree-optimization/28364
1202 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1204 (fold_affine_expr): New function.
1205 (may_eliminate_iv): Use fold_affine_expr.
1207 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1210 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1213 2006-08-16 Mike Stump <mrs@apple.com>
1215 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1216 * doc/cppopts.texi (-MD): Likewise.
1218 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1221 * c-common.c (handle_weak_attribute): Ignore and warn if
1222 not a FUNCTION_ or VAR_DECL.
1224 2006-07-15 Mike Stump <mrs@apple.com>
1227 * c-parser.c (c_parser_typeof_specifier): Don't use
1228 c_finish_expr_stmt, open code desired semantics instead.
1230 2006-08-15 Nick Clifton <nickc@redhat.com>
1232 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1233 fragment to tmake_file only if threads are enabled.
1234 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1235 * config/i386/t-gthr-win32: New file. ... here.
1237 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1240 * c-parser.c (c_parser_compound_statement_nostart): Reset
1241 parser->error after each statement.
1243 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1246 * omp-low.c (lower_omp_parallel): Convert t to
1247 receiver_decl's type.
1248 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1249 source before comparison.
1252 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1253 to itype in assignment to oldival2.
1255 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1259 * c-typeck.c (build_compound_expr): If the second expression
1260 is an error mark, then just return an error mark instead of
1261 creating a COMPOUND_EXPR.
1263 2006-07-14 Mike Stump <mrs@apple.com>
1265 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1267 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1269 * c-decl.c, var-tracking.c: Fix comment typos.
1271 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1273 PR rtl-optimization/28634
1274 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1275 for floating-point modes unless flag_unsafe_math_optimizations.
1277 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1278 Andrew Pinski <pinskia@physics.uc.edu>
1281 * tree.c (build_array_type): Unify array types with
1282 unspecified index_type.
1283 * c-decl.c (grokdeclarator): Make sure we do not modify a
1284 unified incomplete array type.
1285 * c-typeck.c (store_init_value): Create distinct type before
1286 filling in the index type in an initializer from a compound
1289 * c-decl.c (grokdeclarator): Remove code where we copy the
1292 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1294 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1295 into account for TODO_dump_cgraph.
1296 (TODO_update_ssa_no_phi): Likewise.
1297 (TODO_update_ssa_full_phi): Likewise.
1298 (TODO_update_ssa_only_virtuals): Likewise.
1299 (TODO_remove_unused_locals): Likewise.
1300 (TODO_set_props): Likewise.
1301 (TODO_update_stmt_usage): Likewise.
1303 2006-08-13 Dirk Mueller <dmueller@suse.de>
1305 * c-common.c (strict_aliasing_warning): Fix formatting.
1307 2006-08-13 Matthias Klose <doko@debian.org>
1309 * doc/invoke.texi: Fix spelling errors.
1311 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1313 PR rtl-optimization/23454
1314 * reorg.c (relax_delay_slots): Update comment.
1316 2006-08-11 Richard Guenther <rguenther@suse.de>
1319 * simplify-rtx.c (simplify_const_relational_operation):
1320 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1323 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1325 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1326 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1328 2006-08-10 Paul Brook <paul@codesourcery.com>
1330 * final.c (final_scan_insn): Clear current_insn_predicate before
1331 outputting inline asm.
1333 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1335 PR tree-optimization/26197
1336 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1337 get_ref_base_and_extent and overlap_subvar to add only relevant
1338 subvars as may-aliases.
1339 (add_may_alias_for_new_tag): New function, factored out of
1341 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1342 with additional argument.
1343 * tree-flow.h (new_type_alias): Takes additional argument.
1345 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1347 * gcov.c (no_data_file): New flag.
1348 (read_count_file): Set it if data file not present. Assume counts
1350 (output_lines): Don't name the data file, if there wasn't one.
1352 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1354 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1355 (rs6000_generate_compare): Tweak comments.
1356 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1358 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1360 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1361 (var_debug_decl): New function.
1362 (var_reg_set): Follow debug decl link. Add location even if
1363 reg is already known to hold some other variable.
1364 (var_mem_set): Follow debug decl link.
1365 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1366 decl link. Delete other known locations of the variable part
1368 (var_reg_delete, var_mem_delete): Delete other known locations
1369 of the variable part if requested.
1370 (same_variable_part_p): New function.
1371 (add_stores): Select MO_COPY when appropriate.
1372 (vt_initialize): Handle it.
1373 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1374 known locations for MO_SET and MO_CLOBBER.
1375 (find_variable_location_part): New function.
1376 (set_variable_part, delete_variable_part): Use it.
1377 (clobber_variable_part): New function.
1378 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1381 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1383 PR tree-optimization/26969
1384 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1385 with an empty list of PHIs.
1387 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1391 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1394 2006-08-06 Andreas Schwab <schwab@suse.de>
1396 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1397 string. Whitespace and comment fixup.
1399 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1402 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1406 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1409 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1411 2006-08-04 Jan Hubicka <jh@suse.cz>
1415 * reload.c (push_reload): Patch out the mismatching instruction;
1417 (find_reload): Bail out if the instruction was patched out.
1419 2006-08-04 Jan Hubicka <jh@suse.cz>
1421 PR tree-optimization/24888
1422 * tree-inline.c (expand_call_inline): Do not re-record variables.
1423 (declare_inline_vars): Add variable to unexpanded_var_list.
1425 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1426 Roger Sayle <roger@eyesopen.com>
1428 PR rtl-optimization/26244
1429 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1430 inner_const are negative or greater than or equal to the bitsize of
1431 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1432 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1433 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1434 CONST0_RTX (mode) when the new shift count is greater than or equal to
1435 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1438 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1440 * tree-cfg.c: Fix a comment typo.
1442 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1445 * varasm.c (output_constant): Give the front end another chance to
1446 expand constants, after stripping NOPs.
1448 2006-08-03 Jan Hubicka <jh@suse.cz>
1450 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1453 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1455 PR tree-optimization/27770
1456 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1457 declaration removed (moved to tree-flow.h).
1458 (vect_can_force_dr_alignment_p): Likewise.
1459 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1460 (moved from tree-vectorizer.h).
1461 (vect_can_force_dr_alignment_p): Likewise.
1462 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1463 from outside the vectorizer - in particular from cgraph stage.
1464 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1465 the alignment of global arrays when -fsection-anchors is enabled.
1466 * cgraphunit.c (cgraph_increase_alignment): New function.
1467 (cgraph_optimize): Call cgraph_increase_alignment.
1469 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1472 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1473 not reload a SPE symbol_ref into a lo_sum address.
1475 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1478 * dwarf2out.c (prune_unused_types_prune): Move call to
1479 prune_unused_types_update_strings to cover the parent DIE also.
1481 2006-08-02 Jan Hubicka <jh@suse.cz>
1483 PR gcov/profile/28480
1484 * tree-cfg.c (change_bb_for_stmt): New function.
1485 (tree_merge_blocks, tree_split_blocks): Use it.
1487 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1493 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1494 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1495 (cgraph_optimize): Likewise.
1497 2006-08-01 Stuart Hastings <stuart@apple.com>
1499 * rtl.h (UINTVAL) New.
1500 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1501 * testsuite/gcc.dg/20060801-1.c: New.
1503 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1506 * c-typeck.c (build_external_type): Mark used enum types.
1507 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1509 (gen_subprogram_die): Whitespace fix.
1511 2006-08-01 Jan Hubicka <jh@suse.cz>
1513 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1514 bitmap when not needed.
1515 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1518 2006-08-01 Dirk Mueller <dmueller@suse.de>
1520 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1522 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1524 * Makefile.in: Revert part of previous patch:
1525 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1528 2006-07-30 Eric Christopher <echristo@apple.com>
1531 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1532 (PowerPC Variable Attributes): New section.
1534 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1536 PR target/28126 (partial fix)
1537 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1539 2006-07-28 Jan Hubicka <jh@suse.cz>
1541 PR rtl-optimization/28071
1542 * cfgrtl.c (rtl_delete_block): Free regsets.
1543 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1545 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1547 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1548 and variables used in dependencies.
1550 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1552 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1553 %fs for -mcmodel=kernel.
1554 (stack_tls_protect_test_di): Likewise.
1556 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1558 * Makefile.in: Use mkinstalldirs.
1560 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1563 * opts-common.c (prune_options): Skip joined switches.
1565 2006-07-27 Jan Hubicka <jh@suse.cz>
1567 PR rtl-optimization/28071
1568 * cselib.c (cselib_process_insn): Don't remove useless values too
1569 often for very large hashtables.
1571 2006-07-27 Jan Hubicka <jh@suse.cz>
1573 PR rtl-optimization/28071
1574 * global.c (greg_obstack): New obstack.
1575 (allocate_bb_info): Use it.
1576 (free_bb_info): Likewise.
1577 (modify_reg_pav): Likewise.
1579 2006-07-27 Roger Sayle <roger@eyesopen.com>
1581 * builtins.c (fold_fixed_mathfn): When long and long long are the
1582 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1583 functions to their lceil*, lfloor*, lround* and lrint* forms.
1585 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1588 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1590 (rev_branch_insn): Likewise.
1592 2006-07-27 Jan Hubicka <jh@suse.cz>
1594 PR rtl-optimization/28071
1595 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1596 (reg_set_in_bb, max_reg_computed): New static variables.
1597 (regmove_optimize): Free the new array.
1598 (fixup_match_1): Update call of reg_is_remote_constant_p.
1600 2006-07-26 Jan Hubicka <jh@suse.cz>
1602 PR tree-optimization/27882
1603 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1605 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1607 (cgraph_analyze_compilation_unit): Likewise.
1608 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1609 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1610 (cgraph_early_inlinine): Make order garbage collected.
1611 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1613 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1615 * dbxout.c (output_types_sort): Add a comment.
1616 (output_used_types): Free the VEC.
1618 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1620 * function.c (reorder_fix_fragments): Delete.
1621 (reorder_blocks): Don't call it.
1622 (reorder_blocks_1): Put all subblocks under the origin block.
1624 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1626 PR rtl-optimization/27907
1627 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1630 2006-07-25 Roger Sayle <roger@eyesopen.com>
1633 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1634 bar(x) check that bar's result type can represent all the values of T.
1636 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1638 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1640 2006-07-25 Nick Clifton <nickc@redhat.com>
1642 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1643 size_lookup[] array.
1644 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1645 (ggc_pch_count_object): Likewise.
1646 (ggc_pch_alloc_object): Likewise.
1647 (ggc_pch_write_object): Likewise.
1648 (init_ggc): Do not attempt to initialize entries in the
1649 size_lookup[] array for objects whose size is greater than than
1650 the length of the array.
1652 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1654 * dbxout.c (output_used_types_helper): Push queued types
1656 (output_types_sort): New.
1657 (output_used_types): Collect used types on a VEC and sort them
1660 2006-07-24 Richard Guenther <rguenther@suse.de>
1663 * cgraph.c (cgraph_remove_node): Do not check if dumps
1665 * cgraphunit.c (cgraph_optimize): Likewise.
1667 2006-07-24 Jan Hubicka <jh@suse.cz>
1669 PR rtl-optimization/28071
1670 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1671 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1672 splitting before first stmt.
1674 2006-07-24 Jan Hubicka <jh@suse.cz>
1676 PR rtl-optimization/28071
1677 * ipa-inline.c (update_caller_keys): Remove edges that
1678 are no longer inline candidates.
1680 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1683 * dbxout.c (output_used_types_helper, output_used_types): New.
1684 (dbxout_symbol): Call output_used_types.
1686 2006-07-23 Jan Hubicka <jh@suse.cz>
1690 * cgraph.c (cgraph_varpool_nodes): Export.
1691 (decide_is_variable_needed): Ignored "used" attribute in
1692 unit-at-a-time mode.
1693 * cgraph.h (cgraph_varpool_nodes): Declare.
1694 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1695 unit-at-a-time mode.
1697 2006-07-23 Roger Sayle <roger@eyesopen.com>
1700 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1701 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1702 the __gthrw form of thr_keycreate.
1703 (__gthread_key_delete): Silence the unused argument warning.
1705 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1708 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1709 Cache the last found '\0' marker to avoid quadratic behavior.
1711 2006-07-23 Jan Hubicka <jh@suse.cz>
1713 * i386.md (subsi_3_zext): Fix output template.
1715 2006-07-21 Mike Stump <mrs@apple.com>
1717 * doc/invoke.texi (C++ Dialect Options): Note that
1718 -fvisibility-inlines-hidden doesn't affect explicitly
1719 instantiationed inline methods.
1721 2006-07-20 Roger Sayle <roger@eyesopen.com>
1723 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1724 if the target assembler is GNU binutils' gas.
1725 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1726 whether to pass GNU gas or native as command line options.
1728 2006-07-20 Jason Merrill <jason@redhat.com>
1730 * tree.c (remove_attribute): New fn.
1731 * tree.h: Declare it.
1733 2006-07-20 Paul Brook <paul@codesourcery.com>
1736 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1737 they are invalidated by this instruction.
1739 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1742 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1744 2006-07-20 Eric Christopher <echristo@apple.com>
1747 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1749 2006-07-19 Eric Christopher <echristo@apple.com>
1751 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1752 Rewrite dependencies for libgcc_s.1.dylib.
1754 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1756 * except.c (duplicate_eh_regions_1): Clear next_peer.
1758 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1760 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1761 -mlongcall does not guarantee all calls will be long.
1762 * doc/extend.texi (long_call/short_call): Document that longcall
1763 does not guarantee a long call will be used.
1764 (longcall/shortcall): Likewise.
1766 2006-07-18 Roger Sayle <roger@eyesopen.com>
1769 * expmed.c (expand_shift): Additionally check that the shift_cost
1770 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1771 before implementing a LSHIFT_EXPR as a sequence of additions.
1772 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1773 middle-end that DImode shifts need to be synthesized by expand.
1775 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1778 * tree-ssa-operands.c (access_can_touch_variable): Update
1780 Return true if ALIAS is .GLOBAL_VAR.
1782 2006-07-18 David Daney <ddaney@avtrex.com>
1784 * gcc.c (display_help): Fix typo in help text.
1786 2006-07-18 Olivier Hainque <hainque@adacore.com>
1788 * tree.h (categorize_ctor_elements): Adjust prototype and add
1789 descriptive comment, both in accordance with the interface change
1791 * varasm.c (constructor_static_from_elts_p): New function.
1792 Whether a constructor node is a valid static constant initializer
1793 if all its elements are.
1794 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1795 * output.h: Declare it.
1796 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1797 is a valid constant initializer instead of computing the number of
1798 non-constant elements. Use constructor_static_from_elts_p for this
1799 purpose. Replace the head comment with an indication that this is a
1800 helper for categorize_ctor_elements.
1801 (categorize_ctor_elements): Same interface change as for the _1
1802 helper. Former head comment from this helper moved here, adjusted to
1803 account for the interface changes.
1804 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1805 (all_zeros_p): Likewise.
1806 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1807 static versions of the constructor from the categorize_ctor_elements
1808 return value instead of the formerly computed number of non-constant
1811 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1813 * configure: Regenerate.
1814 * Makefile.in (build_libsubdir): New configure substitution
1815 (build_libobjdir): New variable.
1816 (BUILD_LIBIBERTY): Use it.
1818 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1821 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1823 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1826 * c-common.c (handle_weakref_attribute): Ignore attribute in
1827 the same conditions the alias attribute is ignored.
1829 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1831 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1832 (dbxout_begin_prologue): Increment scope_labelno.
1834 2006-07-17 Richard Henderson <rth@redhat.com>
1837 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1840 2006-07-17 Roger Sayle <roger@eyesopen.com>
1841 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1843 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1844 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1845 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1846 functions such as sbrk, write, etc.. Add function prototypes.
1847 Convert function declarations from K&R to ISO C. Cast pointers
1848 to "long" and "unsigned long" instead of "int" and "unsigned int".
1849 Convert tokens following #endif into comments.
1851 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1853 * invoke.texi: Remove mention of f77; Reformat table for
1854 inline parameter options correctly; mention that -malign-double
1855 is default on x86-64 targets.
1857 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1859 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1860 (convert_affine_scev, chrec_convert_aggressive): Use
1861 avoid_arithmetics_in_type_p. Do not check for the subtypes
1864 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1867 * optabs.c (expand_doubleword_shift): Wrap the call to
1868 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1870 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1873 * optabs.c (expand_binop): Pass next_methods rather than methods
1874 to expand_doubleword_shift.
1876 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1879 * tree.h (dump_addr): Declare.
1880 * print-tree.c (dump_addr): New function.
1881 (print_node_brief, print_node): Use it.
1882 * print-rtl.c (print_rtx): Likewise.
1883 * common.opt (-fdump-noaddr): New option.
1884 * doc/invoke.texi (-fdump-noaddr): Document.
1885 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1886 (ve_info_hash): Likewise.
1888 2006-07-13 Andrew Haley <aph@redhat.com>
1890 PR tree-optimization/19505
1891 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1892 edge leaving this block, make sure that the destination of this
1893 block has only one predecessor.
1895 2006-07-17 Richard Guenther <rguenther@suse.de>
1897 PR tree-optimization/28238
1898 * tree-inline.c (copy_bb): Check if we produced valid
1899 gimple copying and substituting a stmt. If not, gimplify
1902 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1904 * optabs.c (maybe_encapsulate_block): New function extracted from...
1905 (emit_libcall_block): ...here. Invoke it on the block of insns to
1906 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1907 (emit_no_conflict_block): Likewise.
1909 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1911 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1913 2006-07-15 Roger Sayle <roger@eyesopen.com>
1915 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1916 a new NOP_EXPR case of the switch statement.
1918 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1921 * stor-layout.c (place_field): Take the bit field with
1922 an excessive size into account in the ms-bitfiled case.
1925 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1926 the previous bit field.
1928 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1931 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1933 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1935 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1936 signal frames correctly even when the signal was installed with
1939 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1941 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1942 (dbxout_function_end): Use local label LFBB. Remove hook
1944 (dbxout_source_line): Use local label LFBB.
1945 (dbxout_block): Likewise.
1946 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1947 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1948 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1949 and DBX_OUTPUT_NFUN.
1951 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1953 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1955 2006-07-13 Jan Hubicka <jh@suse.cz>
1957 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1959 * output.h (align_variable): Declare.
1960 * varasm.c (align_variable): Export.
1961 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1962 when basic block changed.
1964 2006-07-13 Nick Clifton <nickc@redhat.com>
1966 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1967 walking the LOG_LINKS chain.
1969 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1971 * doc/invoke.texi (C++ Dialect Options): Explain difference
1972 between -fvisibility-inlines-hidden and setting hidden
1973 visibility explicitly.
1975 2006-07-12 Eric Christopher <echristo@apple.com>
1977 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1978 (stmp-lipo): Depend on libgcc.a.
1980 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1982 * tree.c: Fix a comment typo.
1984 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1986 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1988 (umulhisi3_r): Likewise.
1990 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1993 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1994 x < 19, vs wchar_t support.
1996 2006-07-12 Nick Clifton <nickc@redhat.com>
1998 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1999 instead of -isa=sh4.
2001 2006-07-12 Mike Stump <mrs@apple.com>
2003 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2005 2006-07-10 Eric Christopher <echristo@apple.com>
2007 * config/t-slibgcc-darwin: Rewrite.
2009 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2012 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2015 2006-07-08 Matthias Klose <doko@debian.org>
2017 * doc/sourcebuild.texi: Fix typo.
2019 2006-07-07 Mike Stump <mrs@apple.com>
2021 * toplev.c (process_options): Don't give -ffunction-sections may
2022 affect debugging warning for Mach-O.
2024 2006-07-07 James E Wilson <wilson@specifix.com>
2026 * config/mips/mips.md (cpu): Add sb1a.
2027 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2028 addition to sb1. Adjust comments to clarify SB-1A differences from
2030 (ir_sb1a_load): New. Modify bypasses to use it.
2031 (ir_sb1a_simple_alu): Likewise.
2032 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2033 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2034 (mips_issue_rate): Add PROCESSOR_SB1A.
2035 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2036 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2037 (TARGET_SB1): Add PROCESSOR_SB1A check.
2038 (TUNE_SB1): Likewise.
2040 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2041 * config/mips/mips.c (mips_store_data_bypass_p): New.
2042 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2043 store_data_bypass_p.
2045 2006-07-08 Paul Brook <paul@codesourcery.com>
2048 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2050 2006-07-07 Richard Guenther <rguenther@suse.de>
2053 * tree.h (build_one_cst): Declare.
2054 * tree.c (build_one_cst): New function.
2055 * tree-ssa-math-opts.c (get_constant_one): Remove.
2056 (insert_reciprocals): Use build_one_cst.
2057 * fold-const.c (fold_plusminus_mult): Likewise.
2059 2006-07-07 Roger Sayle <roger@eyesopen.com>
2061 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2062 * cfgloopanal.c (dump_graph): Likewise.
2063 * dojump.c (discard_pending_stack_adjust): Likewise.
2064 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2066 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2067 * function.c (finalize_block_changes): Likewise.
2068 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2069 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2070 * rtl.c (dump_rtx_statistics): Likewise.
2071 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2073 * varray.c (dump_varray_statistics): Likewise.
2074 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2075 decode_decimal64, encode_decimal128, decode_decimal128,
2076 decimal_real_to_decimal): Likewise.
2078 2006-07-07 Richard Guenther <rguenther@suse.de>
2080 PR tree-optimization/28187
2081 * tree-vrp.c (vrp_operand_equal_p): New function.
2082 (vrp_bitmap_equal_p): Likewise.
2083 (update_value_range): Use them to compare old and new
2086 2006-07-06 Roger Sayle <roger@eyesopen.com>
2088 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2089 a default case to switch statement to silence compiler warnings.
2091 2006-07-06 Roger Sayle <roger@eyesopen.com>
2094 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2095 the configured assembler supports the x87's ffreep mnemonic.
2096 * configure: Regenerate.
2097 * config.in: Regenerate.
2099 * config/i386/i386.c (output_387_ffreep): New function.
2100 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2101 (output_387_reg_move): Likewise.
2103 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2105 Port to hosts whose 'sort' and 'tail' implementations
2106 treat operands with leading '+' as file names, as POSIX
2107 has required since 2001. However, make sure the code still
2108 works on pre-POSIX hosts.
2109 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2110 which says you should use "tail -c +N" rather than "tail +Nc".
2111 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2113 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2115 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2118 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2121 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2122 PRE_{INC,DEC} of TFmode.
2124 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2125 Alan Modra <amodra@bigpond.net.au>
2128 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2131 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2134 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2135 Remove duplicate gtu.
2137 2006-07-05 Jason Merrill <jason@redhat.com>
2141 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2142 * c-common.c (handle_packed_attribute): So don't copy it here.
2143 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2145 2006-07-05 Mike Stump <mrs@apple.com>
2147 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2149 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2152 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2154 2006-07-05 Richard Guenther <rguenther@suse.de>
2157 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2158 TARGET_SSE2 targets if using SSE math.
2159 (*absdf2_1): Likewise.
2161 2006-07-05 Richard Guenther <rguenther@suse.de>
2163 PR tree-optimization/28162
2164 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2165 make sure to convert the operands to the correct type.
2167 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2169 PR tree-optimization/28218
2171 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2172 to calculate and free the dominator information.
2174 2006-07-04 Peter O'Gorman <peter@pogma.com>
2176 * mklibgcc.in: chmod 644 before ranlib during install.
2178 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2179 J"orn Rennecke <joern.rennecke@st.com>
2181 * configure.ac (.eh_frame data check): Use diff -b.
2183 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2186 * Makefile.in (BUILD_RTL): Add build/vec.o.
2187 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2188 (build/genextract): Delete.
2189 (build/genautomata): Likewise.
2191 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2194 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2195 128-bit IBM long doubles for ABI_V4.
2197 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2199 * tree.c (range_in_array_bounds_p): New predicate.
2200 * tree.h (range_in_array_bounds_p): Declare it.
2201 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2202 return a less conservative answer.
2203 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2204 and flag 'is_group'.
2205 (IS_ELEMENT_FOR_GROUP): New macro.
2206 (FOR_EACH_ACTUAL_CHILD): Likewise.
2207 (next_child_for_group): New helper function.
2208 (can_completely_scalarize_p): Take into account groups.
2209 (sra_hash_tree): Handle RANGE_EXPR.
2210 (sra_elt_eq): Likewise.
2211 (lookup_element): Be prepared for handling groups.
2212 (is_valid_const_index): Delete.
2213 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2214 instead of is_valid_const_index.
2215 <ARRAY_RANGE_REF>: New case.
2216 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2217 is_valid_const_index.
2218 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2219 (scan_dump): Dump info for groups too.
2220 (decide_instantiation_1): Likewise.
2221 (decide_block_copy): Assert that the element is not a group.
2222 Propagate decision to groups.
2223 (generate_one_element_ref): Handle RANGE_EXPR.
2224 (mark_no_warning): Iterate over actual childs.
2225 (generate_copy_inout): Likewise.
2226 (generate_element_copy): Likewise.
2227 (generate_element_zero): Likewise.
2228 (generate_element_init_1): Likewise.
2229 (dump_sra_elt_name): Handle RANGE_EXPR.
2231 2006-07-03 Roger Sayle <roger@eyesopen.com>
2233 PR tree-optimization/26251
2234 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2235 (thread_block): When optimizing for size refuse to thread jumps
2236 that would require duplication of blocks other than redirection
2239 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2241 * configure.ac: Fix thinko in previous check-in.
2242 * configure: Regenerate.
2244 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2247 * configure.ac (for lang...): Simplify nesting of conditionals.
2248 Test subdir_requires for non-enabled languages. Move processing
2249 of lang_opt_files and lang_tree_fiels below that test.
2250 * configure: Regenerate.
2251 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2253 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2255 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2257 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2259 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2262 2006-06-29 Jason Merrill <jason@redhat.com>
2269 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2270 * c-common.c (c_determine_visibility): Handle it here.
2271 * c-decl.c (finish_decl): Call c_determine_visibility for
2273 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2275 * varasm.c (default_assemble_visibility): Likewise.
2276 * c-common.c (handle_visibility_attribute): Complain about trying
2277 to give visibility to an already defined class, or trying to change
2278 declared visibility. Always attach the attribute.
2283 * attribs.c (decl_attributes): Ignore type-in-place attributes
2284 once the type has been defined.
2286 2006-06-29 Roger Sayle <roger@eyesopen.com>
2289 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2290 to indicate the cpplib has issued an error message for us.
2292 2006-06-29 Asher Langton <langton2@llnl.gov>
2295 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2296 insert a label at the end of an function under Mach-O.
2298 2006-06-29 Eric Christopher <echristo@apple.com>
2299 Evan Cheng <evan.cheng@apple.com>
2301 * predicates.md (vector_all_ones_operand): New.
2302 (nonimmediate_or_sse_const_operand): Ditto.
2303 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2304 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2305 (standard_sse_mode_p): Ditto.
2306 (standard_sse_constant_p): Add case for -1 vector.
2307 (ix86_expand_vector_move): Try to use.
2308 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2309 Call standard_sse_constant_opcode.
2310 (*movv4sf_internal): Ditto.
2311 (*movv2df_internal): Ditto.
2313 2006-06-29 Roger Sayle <roger@eyesopen.com>
2315 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2316 of XEXP to extract the operands of a MATCH_CODE rtx.
2318 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2320 * tree.c (tree_size): Do not waste tail padding in
2321 struct tree_string and make the size be the same as
2322 build_string will generate.
2324 2006-06-28 Jason Merrill <jason@redhat.com>
2327 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2328 may_aliases already in the tag's annotations to the bitmap.
2330 2006-06-28 Roger Sayle <roger@eyesopen.com>
2332 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2334 2006-06-28 Roger Sayle <roger@eyesopen.com>
2336 * genpreds.c (generate_switch_p): New function.
2337 (add_mode_tests): Push the new mode test down inside an AND expr
2338 if this allows the switch-suitable MATCH_CODE to be near the root.
2339 (write_match_code_switch): New function to write a MATCH_CODE as
2341 (write_predicate_stmts): New function to write a predicate RTX
2342 expression as a sequence of statements.
2343 (write_one_predicate_function): Use write_predicate_stmts.
2344 (write_tm_constrs_h): Likewise.
2346 2006-06-26 Fred Fish <fnf@specifix.com>
2348 * config/mips/t-sb1: New file.
2349 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2352 2006-06-26 DJ Delorie <dj@redhat.com>
2354 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2356 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2357 Jayant Sonar <jayants@kpitcummins.com>
2358 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2360 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2361 (subsi3, subsi3_1, subsi3_2): New.
2362 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2363 * config/m32c/mov.md (SI mov peephole): New.
2364 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2365 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2367 2006-06-26 Olivier Hainque <hainque@adacore.com>
2369 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2370 a CALL_EXPR target function declaration.
2372 2006-06-26 Richard Guenther <rguenther@suse.de>
2374 * tree.c (build_string): Do not waste tail padding in
2377 2006-06-26 Richard Guenther <rguenther@suse.de>
2379 * ggc-page.c (init_ggc): Add missing element to size_lookup
2383 2006-06-23 Richard Guenther <rguenther@suse.de>
2385 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2386 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2387 alignment requests instead. Add verification code.
2388 Add struct tree_function_decl and struct tree_binfo size to
2389 extra_order_size_table. Add missing element to size_lookup
2392 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2395 * fold-const.c (const_binop): Be prepared for self returning zero.
2396 Simplify code handling complex values.
2398 2006-06-24 Olivier Hainque <hainque@adacore.com>
2400 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2401 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2404 2006-06-24 Olivier Hainque <hainque@adacore.com>
2406 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2407 ARRAY_REF, so have the callback called for the low bound expression.
2409 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2411 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2412 * c-typeck.c (c_common_type): Disallow operations on decimal float
2413 types and other float types.
2414 * convert.c (convert_to_real): Don't ignore conversions involving
2415 decimal float types.
2417 2006-06-23 Olivier Hainque <hainque@adacore.com>
2419 * tree.c (max_int_size_in_bytes): New function, inspired from
2420 code in function.c:assign_temp.
2421 * tree.h (max_int_size_in_bytes): Declare.
2422 * function.c (assign_temp): Use it.
2423 * gimplify.c (create_tmp_var): Relax the assertions on the type
2424 properties, not mandating constant size any more.
2425 (force_constant_size): New static function.
2426 (gimple_add_tmp_var): Use it, forcing variable size to a
2427 constant upper bound if it is not constant on entry.
2429 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2432 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2433 for initialization and setting of one_only flag to ...
2434 (i386_pe_encode_section_info): ...here.
2435 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2436 Recheck that the symbol has not been defined.
2438 2006-06-23 Richard Guenther <rguenther@suse.de>
2440 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2441 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2442 alignment requests instead. Add verification code.
2443 Add struct tree_function_decl and struct tree_binfo size to
2444 extra_order_size_table. Add missing element to size_lookup
2447 2006-06-22 Roger Sayle <roger@eyesopen.com>
2448 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2451 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2452 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2454 2006-06-23 Ben Elliston <bje@au.ibm.com>
2456 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2457 negate dn -- manipulate it directly.
2459 2006-06-22 Roger Sayle <roger@eyesopen.com>
2460 Steven Bosscher <stevenb.gcc@gmail.com>
2463 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2464 generated by gen_move_insn to add REG_LABEL notes if necessary.
2466 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2468 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2469 (leaf_entry): Remove use of MIN_ESA.
2471 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2473 PR rtl-optimization/28121
2474 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2477 2006-06-21 DJ Delorie <dj@redhat.com>
2479 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2481 (mulhisi3_r): Likewise.
2483 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2486 * coverage.c (coverage_counter_alloc): Leave the index type
2488 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2491 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2493 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2494 section from the "Options for Code Generation Conventions".
2496 2006-06-21 Richard Henderson <rth@redhat.com>
2500 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2502 (global_symbolic_operand): Allow weak symbols, even if local_p.
2504 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2506 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2507 (find_interesting_uses_address): Punt if above function returns true.
2509 2006-06-21 Richard Guenther <rguenther@suse.de>
2511 * configure: Regenerated.
2513 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2515 * config/mips/mips.c (function_arg): Where one part of a
2516 complex argument is in registers and the other part in the stack,
2517 return a REG not a PARALLEL.
2519 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2521 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2522 when cross-compiling. Do not substitute libstdcxx_incdir.
2523 * configure: Regenerated.
2525 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2527 * varasm.c (mergeable_string_section): Check for embedded NULs and
2528 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2529 rather than TREE_STRING_LENGTH bytes.
2531 2006-06-21 Richard Guenther <rguenther@suse.de>
2533 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2534 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2537 2006-06-21 Richrad Guenther <rguenther@suse.de>
2539 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2540 Limit iteration over the dominators.
2542 2006-06-20 Roger Sayle <roger@eyesopen.com>
2544 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2545 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2547 2006-06-20 Richard Guenther <rguenther@suse.de>
2548 Michael Matz <matz@suse.de>
2550 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2552 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2553 * et-forest.h (et_free_pools): Prototype new function.
2554 * et-forest.c (et_free_tree_force): Free parent occurrence.
2555 (et_free_pools): New function.
2556 * dominance.c (free_dominance_info): Free et-forest alloc
2559 2006-06-20 Roger Sayle <roger@eyesopen.com>
2561 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2562 integer modes, attempt to directly construct an integer constant.
2564 * fold-const.c (native_encode_vector): Determine the size of each
2565 element from the vector type instead of the first vector element.
2567 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2568 if all of its elements/components are constant.
2569 (build_constructor_from_list): Likewise.
2571 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2573 PR tree-optimization/27331
2574 * tree-data-ref.c (free_data_ref): New function.
2575 (create_data_ref): Fail if the data reference has unknown access
2577 (free_data_refs): Use free_data_ref.
2579 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2582 * tree-inline.c (setup_one_parameter): Strip useless
2583 type conversion before adding it to the IR.
2584 (declare_return_variable): Likewise.
2586 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2589 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2591 2006-06-19 Mike Stump <mrs@apple.com>
2593 * tree.c (variably_modified_type_p): VM arguments don't make the
2596 2006-06-19 Richard Guenther <rguenther@suse.de>
2598 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2599 type conversions after folding.
2601 2006-06-19 Richard Guenther <rguenther@suse.de>
2603 * ggc-page.c (extra_order_size_tab): Add entries with
2604 size of struct function and basic_block.
2605 (size_lookup): Extend to cover sizes up to 511.
2606 (ggc_alloc_stat): Adjust user.
2607 (ggc_pch_count_object): Likewise.
2608 (ggc_pch_alloc_object): Likewise.
2609 (ggc_pch_write_object): Likewise.
2611 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2613 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2614 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2617 2006-06-19 Denis Chertykov <denisc@overta.ru>
2619 * config/avr/libgcc.S : Correct my wrong previous commit.
2621 2006-06-19 Roger Sayle <roger@eyesopen.com>
2624 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2625 have stripped a SUBREG from the shift count, so we may need to
2626 convert_to_mode back to the type's mode before calling make_tree.
2627 Use new_amount instead of amount to avoid expanding a tree twice.
2629 2006-06-19 Richard Guenther <rguenther@suse.de>
2632 * fold-const.c (operand_equal_p): Check if the argument types
2633 have the same precision before stripping NOPs.
2635 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2637 Fix PR tree-optimization/27341
2638 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2640 * tree-complex.c (pass_lower_complex): Update SMT usage.
2642 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2644 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2645 Add a new alternative to the constraint strings. Add move of
2646 operand 1 to 3 to the splitter definition.
2647 ("doloop_si_long"): Second contraint alternative removed.
2649 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2651 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2652 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2654 (AVR_HAVE_MOVW) Define.
2655 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2656 (ASM_SPEC): Add avr25.
2657 (LINK_SPEC): Add avr25.
2658 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2659 (base_arch_s): Add new member 'have_movw_lpmx'.
2660 (avr_arch_types): Init 'have_movw_lpmx'.
2661 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2662 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2663 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2664 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2665 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2667 (avr_file_start): Do not output '.arh' derective.
2668 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2669 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2670 * config/avr/avr.md (mcu_enhanced): Delete.
2671 (mcu_have_movw): Define.
2672 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2673 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2674 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2675 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2676 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2677 attiny861 and at86rf401 devices.
2679 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2681 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2684 2006-06-17 Karl Berry <karl@gnu.org>
2686 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2687 doc/gccint.texi, doc/install.texi (@dircategory): Use
2688 "Software development" instead of "Programming", following
2689 the Free Software Directory.
2691 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2693 * config/i386/i386.c (legitimate_tls_address)
2694 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2695 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2696 (*tls_dynamic_gnu2_combine_64): Likewise.
2698 2006-06-16 Richard Guenther <rguenther@suse.de>
2701 * fold-const.c (negate_expr_p): Do not introduce undefined
2702 overflow in negating INTEGER_CSTs.
2703 (fold_negate_expr): Rename from negate_expr. Revert last
2704 change for folding BIT_NOT_EXPR. Change semantics to
2705 return NULL_TREE for non-simplified negations. Do not
2706 strip type conversions and unify type handling.
2707 (negate_expr): New function, wrap around fold_negate_expr
2708 but ensure building a tree always. Strip type conversions
2709 here, fold to result type.
2710 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2712 2006-06-16 Roger Sayle <roger@eyesopen.com>
2715 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2716 that (would) return their results in stack registers.
2718 2006-06-16 Michael Matz <matz@suse.de>
2719 Richard Guenther <rguenther@suse.de>
2721 * fold-const.c (fold_truthop): Only return new tree node if
2722 we canonicalized something.
2724 2006-06-16 Richard Guenther <rguenther@suse.de>
2726 * function.h (enum function_frequency): Move declaration
2727 out of struct function.
2728 (struct function): Move bool fields and the enum to the bitfield
2729 section. Reorder elements to avoid padding. Remove unused
2730 fields left over from the RTL inliner removal.
2731 * function.c (free_after_compilation): Do not zero removed fields.
2732 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2733 (ipa-type-escape.o): Likewise.
2735 2006-06-16 Richard Guenther <rguenther@suse.de>
2737 * cgraph.h (struct cgraph_local_info): Turn bool elements
2739 (struct cgraph_node): Likewise.
2740 (struct cgraph_varpool_node): Likewise.
2742 2006-06-15 Richard Guenther <rguenther@suse.de>
2744 * fold-const.c (fold_truth_not_expr): Rename from
2745 invert_truthvalue. Give it fold_* semantics to avoid
2747 (invert_truthvalue): New function. Wrapper around
2748 fold_truth_not_expr.
2749 (optimize_minmax_comparison): Avoid creating garbage.
2750 (fold_unary): Use fold_truth_not_expr for folding
2752 (fold_ternary): Replace uses of invert_truthvalue with
2753 fold_truth_not_expr where applicable.
2754 * tree.h (fold_truth_not_expr): Prototype.
2756 2006-06-16 Richard Guenther <rguenther@suse.de>
2758 PR tree-optimization/27781
2759 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2760 * ipa-pure-const.c (target.h): Include.
2761 (analyze_function): Do not analyze functions that do not
2764 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2767 * tree-dfa.c (referenced_vars_dup_list): Remove.
2768 (find_referenced_vars): Remove assert.
2769 (referenced_var_check_and_insert): Replace dup list with assert.
2770 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2771 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2773 2006-06-15 Richard Guenther <rguenther@suse.de>
2775 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2776 extra unused identifiers if not dumping.
2777 (create_variable_info_for): Likewise.
2779 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2781 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2782 (derive_constant_upper_bound): Derive more precise upper bound in
2783 common cases. Return type changed to double_int.
2784 (record_estimate): Reflect the changed return type of
2785 derive_constant_upper_bound.
2786 * double-int.c (double_int_zext, double_int_sext): Fix.
2788 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2790 * configure.ac (CFLAGS): Get them from the toplevel or from the
2791 configure invocation.
2792 * configure: Regenerate.
2793 * Makefile.in (CFLAGS): Substitute value provided by configure.
2795 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2798 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2799 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2800 rather than calling add_stmt on it.
2801 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2803 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2806 * reload1.c (reload): Remove registers returned by update_eliminables
2807 from used_spill_regs.
2809 2006-06-13 DJ Delorie <dj@redhat.com>
2811 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2813 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2815 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2816 html__strip_dir, html__mkdir_p. Enhance install-html target.
2817 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2818 * configure: Regenerate.
2820 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2822 * fold-const.c (fold_cond_expr_with_comparison): Check for
2823 Objective-C++ as language in deciding COND_EXPR transformation.
2825 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2828 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2829 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2830 * config/sh/lib1funcs.h (SL, SL1): Define.
2831 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2832 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2833 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2834 (OBJS_Os_4_200): New variable.
2835 ($(T)libgcc-Os-4-200.a): Use it.
2836 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2837 when dividing 1 and/or by 0.
2839 2006-06-13 Roger Sayle <roger@eyesopen.com>
2841 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2842 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2843 * configure: Regenerate.
2845 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2847 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2848 for real instruction.
2850 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2853 * haifa-sched.c (check_cfg): Handle special case.
2855 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2858 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2859 Add debug_info parameter. Chain the vars to the BLOCK instead
2860 of the BIND_EXPR if debug info are requested for them.
2861 (pop_gimplify_context): Adjust for above change.
2862 (gimple_add_tmp_var): Likewise.
2863 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2865 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2866 (convert_local_reference): Likewise.
2867 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2868 (finalize_nesting_tree_1): Request that debug info be emitted
2869 for debug_var_chain.
2871 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2873 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2874 for PR target/27863.
2876 2006-06-13 Richard Guenther <rguenther@suse.de>
2879 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2881 2006-06-13 Richard Guenther <rguenther@suse.de>
2883 PR tree-optimization/27830
2884 * tree-inline.c (copy_body_r): For copying the operand
2885 of an ADDR_EXPR make sure to fold &* afterwards.
2887 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2889 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2890 lvalues in the fb_none case with side-effects.
2892 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2894 * tree-flow.h: Remove the prototype for
2895 compute_phi_arg_on_exit.
2896 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2897 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2900 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2902 * builtins.c (expand_builtin_return_addr): Only use
2903 frame_pointer_rtx when count == 0 and we are expanding
2904 __builtin_return_address.
2906 2006-06-12 Fred Fish <fnf@specifix.com>
2908 * config/mips/mips.c (mips_file_start): Create special section
2909 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2911 2006-06-11 Eric Christopher <echristo@apple.com>
2914 * stor-layout.c (place_field): Remove check for
2915 remaining_in_alignment when aligning at the end of a run.
2917 2006-06-11 Eric Christopher <echristo@apple.com>
2920 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2923 2006-06-11 Roger Sayle <roger@eyesopen.com>
2926 Revert incorrect fix for PR target/27158
2927 2006-05-08 Roger Sayle <roger@eyesopen.com>
2928 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2929 of a reg_equiv_constant if the result is a legitimate constant.
2931 2006-06-11 Roger Sayle <roger@eyesopen.com>
2934 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2935 extract a CONST_VECTOR element and interpret it as an integer.
2936 (vspltis_constant): Use const_vector_elt_as_int instead of the
2937 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2938 * config/rs6000/predicates.md (easy_vector_const): Consider
2939 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2941 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2944 * stor-layout.c (update_alignment_for_field): Don't add extra
2945 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2948 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2950 * config/mips/t-rtems: Add EL/EB multilib variants.
2952 2006-06-09 Mike Stump <mrs@apple.com>
2954 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2956 2006-06-09 David Daney <ddaney@avtrex.com>
2958 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2960 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2962 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2964 2006-06-09 Richard Guenther <rguenther@suse.de>
2966 PR tree-optimization/26998
2967 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2968 of signed types, only TYPE_MIN_VALUE is special, but for both,
2969 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2970 in this case, as is -fwrapv.
2972 2006-06-08 Mike Stump <mrs@apple.com>
2975 * config/darwin.c (darwin_asm_output_anchor): Disable
2976 -fsection-anchors on darwin for now.
2977 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2978 * rs6000/rs6000.c (optimization_options): Likewise.
2980 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2983 * config/i386/i386.c (classify_argument): Skip fields with invalid
2986 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2988 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2989 (cse_insn): Likewise for the stack_pointer_rtx.
2991 2006-06-08 Roger Sayle <roger@eyesopen.com>
2993 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2994 conditions from floating point comparisons.
2996 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2999 * expmed.c (struct alg_hash_entry): Fix type of field T
3000 to match synth_mult argument.
3001 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3003 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3006 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3009 2006-06-08 Richard Guenther <rguenther@suse.de>
3012 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3013 only, if overflow is defined and not trapping.
3014 (negate_expr): Likewise.
3016 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3018 PR tree-optimization/27872
3019 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3020 flag on the new exit edge of the unrolled loop.
3022 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3024 PR rtl-optimization/26449
3025 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3027 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3030 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3031 referenced_variables with matching DECL_UID's.
3032 (find_referenced_vars): Make sure duplicate list is empty to start.
3033 (referenced_var_p): Remove.
3034 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3035 Check if var is in the list, and add if needed. Update the duplicate
3036 list if a different var is in the list with the same DECL_UID.
3037 (add_referenced_var): Call routine to check and insert.
3038 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3039 * tree-flow.h (referenced_vars_dup_list): External declaration.
3041 2006-06-07 Fred Fish <fnf@specifix.com>
3043 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3046 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3049 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3050 the imaginary and real parts of a clobbered register.
3051 Emit insn to set the imaginary part.
3053 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3055 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3056 in lieu of unwind-dw2-fde.c.
3058 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3060 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3062 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3065 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3066 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3067 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3068 V4SImode temporaries and operations instead.
3070 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3072 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3075 2006-06-06 Mike Stump <mrs@apple.com>
3077 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3078 installing during build.
3080 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3082 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3084 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3085 * config/ia64/ia64.c (params.h): New header.
3086 (ia64_optimization_options): New function to adjust parameters.
3087 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3088 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3089 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3091 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3093 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3095 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3098 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3100 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3101 Victor Kaplansky <victork@il.ibm.com>
3103 PR tree-optimization/26360
3104 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3107 2006-06-04 Roger Sayle <roger@eyesopen.com>
3108 Andrew Pinski <pinskia@physics.uc.edu>
3111 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3112 for LABEL_DECL before calling DECL_WEAK.
3115 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3116 LABEL_DECL and PARM_DECL.
3118 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3122 * c-decl.c (grokdeclarator): Disallow variably modified types at
3123 file scope. Avoid marking shared array type of constant size as
3126 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3129 * c-common.c (fold_offsetof_1): Handle static members.
3131 2006-06-04 Eric Christopher <echristo@apple.com>
3133 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3134 (debug_rli): Output value for remaining_in_alignment.
3135 (update_alignment_for_field): Unconditionalize
3136 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3137 extra alignment code.
3138 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3139 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3140 * tree.h (record_layout_info_s): Remove prev_packed.
3141 * doc/extend.texi (ms_struct): Add documentation of format.
3143 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3145 * tree.h: Declare folding_initializer.
3146 * builtins.c (fold_builtin_constant_p): Give definite answer
3147 if folding inside an initializer.
3148 * fold-const.c: Define folding_initializer.
3149 (START_FOLD_INIT): Save and then set folding_initializer.
3150 (END_FOLD_INIT): Restore folding_initializer.
3152 2006-06-04 Richard Guenther <rguenther@suse.de>
3154 PR tree-optimization/27039
3155 * fold-const.c (fold_comparison): Handle pointer comparison
3156 again for all comparison codes. Compare offsets in signed
3158 (fold_binary): Move code from here.
3160 2006-06-03 Roger Sayle <roger@eyesopen.com>
3163 * config/i386/i386.c (construct_container): Split static issued_error
3164 flag into issued_sse_arg_error, issued_sse_ret_error and
3165 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3166 requires the use of x87 registers and the user explicitly
3167 specified the -mno-80387 command line option.
3169 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3171 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3172 HAVE_DECL_SIGALTSTACK.
3174 (segv_handler): Use MC_FLD.
3175 * configure.ac: Check for a sigaltstack declaration.
3176 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3177 * configure: Regenerate.
3178 * config.in: Regenerate.
3180 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3183 * Makefile.in (stmp-fixinc): Fix typo.
3185 2006-06-02 Roger Sayle <roger@eyesopen.com>
3187 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3188 are type correct. Clean-up.
3189 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3190 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3192 2006-06-01 DJ Delorie <dj@redhat.com>
3194 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3195 shift, as we've disabled the "switch" insn that needs it.
3197 2006-06-01 Per Bothner <bothner@bothner.com>
3199 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3200 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3201 * c-ppoutput.c (cb_define): Don't increment line 0.
3203 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3205 * doc/invoke.texi: Add cpu_type power6.
3206 * config.gcc: Add cpu_type power6.
3207 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3208 to power5+ with Altivec.
3209 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3210 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3212 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3214 * config/avr/avr.h (SET_ASM_OP): Define.
3216 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3218 * config/bfin/bfin.c: Fix comment typos.
3220 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3223 * doc/install.texi: Document --enable-bootstrap and
3224 --disable-bootstrap.
3226 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3228 * doc/install.texi: Document that InfoZIP can replace jar.
3230 2006-05-31 Roger Sayle <roger@eyesopen.com>
3232 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3233 isn't available, directly generate the simpler x87 patterns without
3234 the (use (const_int 0)).
3235 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3236 implementation isn't available.
3237 (*negdf2_1): Likewise.
3238 (*negxf2_1): XF mode negation is always done using the x87.
3239 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3241 2006-05-31 Roger Sayle <roger@eyesopen.com>
3243 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3244 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3246 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3248 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3250 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3251 * config/bfin/bfin.c (basic-block.h): Include.
3252 (struct machine_function): New.
3253 (bfin_init_machine_status): New.
3254 (override_options): Initialize init_machine_status.
3255 (bfin_hardware_loop): New.
3256 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3257 (DEF_VEC_P (loop_info)): New.
3258 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3259 (struct loop_info): New.
3260 (loop_info): New typedef.
3261 (struct loop_work): New.
3262 (loop_work): New typedef.
3263 (DEF_VEC_O (loop_work)): New.
3264 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3265 (bfin_dump_loops): New.
3266 (bfin_bb_in_loop): New.
3267 (bfin_scan_loop): New.
3268 (bfin_optimize_loop): New.
3269 (bfin_reorg_loops): New.
3270 (bfin_reorg): Use bfin_reorg_loops.
3271 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3273 (I_REGNO_P): Simplify.
3274 (DP_REGNO_P, DPREG_P): New macros.
3275 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3276 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3277 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3278 Add LT_REGS, LC_REGS, LB_REGS.
3279 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3281 (REGNO_REG_CLASS): Deal with loop registers.
3282 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3284 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3285 New constants for loop registers.
3286 (UNSPEC_LSETUP_END): New.
3287 (seq_insns): New define_attr. Set it for appropriate insns.
3288 (movsi_insn): Add alternatives for move from/to
3289 loop count registers.
3290 (doloop_end): New define_expand.
3291 (loop_end): New define_insn.
3292 (define_split for bad doloop_end): New.
3293 (lsetup_with_autoinit): New define_insn.
3294 (lsetup_without_autoinit): New define_insn.
3295 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3296 * config/bfin/predicates.md (lc_register_operand): New.
3297 (lt_register_operand): New.
3298 (lb_register_operand): New.
3299 (nondp_register_operand): New.
3300 (nondp_reg_or_memory_operand): New.
3301 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3303 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3305 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3306 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3308 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3310 * Makefile.in (CATALOGS): Add po/ prefix.
3311 * configure: Regenerated.
3313 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3316 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3317 a shift operand before calling shift_op. Avoid redundant call of
3320 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3321 DJ Delorie <dj@redhat.com>
3323 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3324 we're inserting is a singlt-bit constant.
3326 2006-05-30 Roger Sayle <roger@eyesopen.com>
3328 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3329 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3331 2006-05-30 Roger Sayle <roger@eyesopen.com>
3333 PR tree-optimization/23452
3334 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3335 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3336 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3337 complex values and with -ffast-math for FP complex values.
3339 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3341 * c-common.h: Remove the prototype for yyparse.
3342 * rtl.h: Remove the prototype for init_loop.
3344 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3346 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3349 2006-05-30 Roger Sayle <roger@eyesopen.com>
3351 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3353 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3354 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3356 2006-05-30 Dirk Mueller <dmueller@suse.de>
3359 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3360 for CONSTANT_CLASS_P expresisons.
3362 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3365 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3367 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3369 PR tree-optimization/27779
3370 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3371 initial_condition instead of CHREC_LEFT.
3373 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3375 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3376 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3377 Make prototypes ISO C90.
3379 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3380 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3382 * see.c (see_analyze_one_def): Correct check.
3383 (see_get_extension_data): Check if extension is parallel.
3384 (see_get_extension_reg): Likewise.
3386 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3389 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3390 into register for (code == GTU).
3392 2006-05-29 Roger Sayle <roger@eyesopen.com>
3394 PR tree-optimization/24964
3395 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3396 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3397 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3398 abs(x)*abs(x) as x*x for scalar floating point modes.
3400 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3403 * lambda-code.c (perfect_nestify): Don't copy statements
3404 in the inner loop: move them to the inner loop header.
3406 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3409 * c-tree.texi: Document OpenMP directives and clauses.
3411 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3413 * varasm.c (globalize_decl): Fix indentation.
3415 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3418 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3419 pass_fre, pass_store_ccp, pass_copy_prop,
3420 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3421 pass_return_slot, pass_object_size, pass_lim,
3422 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3423 pass_loop_prefetch and pass_stdarg.
3425 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3427 * config/bfin/bfin.opt (mfdpic): New option.
3428 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3429 (EXTRA_MULTILIB_PARTS): Likewise.
3430 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3431 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3433 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3434 (CRT_CALL_STATIC_FUNCTION): New.
3435 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3437 (CRT_CALL_STATIC_FUNCTION): New.
3438 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3440 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3441 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3442 (initialize_trampoline): Changed to handle FD-PIC code generation.
3443 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3444 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3445 (override_options): Disallow -mid-shared-library -mfdpic combination.
3446 Can't do unaligned ops if FD-PIC.
3447 Turn off flag_pic if trying to generate non-id-shared-library
3448 non-fdpic code, since it's not supported.
3449 (bfin_assemble_integer): New function.
3450 (TARGET_ASM_INTEGER): Define.
3451 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3453 * config/bfin/crtn.s: Restore them.
3454 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3456 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3457 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3458 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3459 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3460 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3462 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3463 FDPIC_REGS and FDPIC_FPTR_REGS.
3464 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3465 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3466 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3467 (load_funcdescsi): New pattern.
3468 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3469 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3470 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3472 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3474 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3477 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3479 * tree-flow.h: Remove the prototype for add_type_alias.
3480 * tree-ssa-alias.c (add_type_alias): Remove.
3482 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3484 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3485 config/fr30/fr30.md, config/i386/i386-interix.h,
3486 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3487 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3488 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3489 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3490 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3491 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3492 Follow spelling conventions.
3493 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3494 Follow spelling conventions.
3496 2006-05-27 Richard Guenther <rguenther@suse.de>
3499 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3500 to produce a constant of value 1 of generic type.
3502 2006-05-27 Dirk Mueller <dmueller@suse.de>
3504 * cgraphunit.c (decide_is_function_needed): Fix wrong
3507 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3509 PR rtl-optimization/27661
3510 * reload.c (find_reloads): When reloading a VOIDmode constant
3511 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3512 use Pmode as mode of the reload register.
3514 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3516 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3517 is enabled at -O and above.
3519 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3522 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3525 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3528 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3529 for anonymous variables explicitly declared by front ends.
3531 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3533 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3534 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3535 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3536 ref-all pointers, run a finalization pass for them.
3537 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3538 (finalize_ref_all_pointers): New function.
3539 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3540 regular pointer type to a ref-all pointer type.
3541 (get_tmt_for): Return the special memory tag for ref-all pointers.
3543 2006-05-25 Richard Guenther <rguenther@suse.de>
3546 * fold-const.c (fold_binary): Do not look at the stripped
3547 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3549 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3551 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3552 for LT and GT if the computed range is effectively empty.
3554 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3557 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3558 mips_quad_format formats instead of ieee_single_format,
3559 ieee_double_format and ieee_quad_format formats, respectively.
3561 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3563 PR tree-optimization/27639
3564 PR tree-optimization/26719
3565 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3566 call to scev_probably_wraps_p.
3567 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3568 used_in_pointer_arithmetic_p, convert_step): Removed.
3569 (nowrap_type_p): New function.
3570 (scev_probably_wraps_p): Rewritten.
3571 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3572 chrec_convert if chrec_convert_aggressive might have been used.
3573 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3574 scev_direction): New functions.
3575 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3576 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3577 instead of convert_step.
3578 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3579 (convert_step): Declaration removed.
3580 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3582 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3584 * df-core.c: Added to header comments.
3585 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3586 df_ur_bb_info, df_urec_bb_info): Added comments.
3587 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3588 urec, ri problems): Fixed header comments.
3589 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3590 code from df_rd_transfer_function.
3592 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3594 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3595 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3596 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3598 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3600 * expr.c (undefined_operand_subword_p): New.
3601 (emit_move_multi_word): Do not generate move from undefined bits
3602 of a paradoxical subreg.
3604 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3606 PR rtl-optimization/27736
3607 * combine.c (replaced_rhs_value): New variable.
3608 (combine_instructions): Set it.
3609 (distribute_notes): When distributing a note in replaced_rhs_insn,
3610 check whether the value was used in replaced_rhs_value.
3612 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3615 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3616 add_referenced_var instead of add_referenced_tmp_var.
3617 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3618 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3620 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3621 tree_optimize_tail_calls_1): Use add_referenced_var.
3622 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3623 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3624 Use add_referenced_var.
3625 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3626 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3627 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3628 Use add_referenced_var.
3629 * tree-dfa.c (struct walk_state): Remove.
3630 (find_referenced_vars): Remove walk state and vars_found hash table.
3631 (make_rename_temp): Use add_referenced_var.
3632 (find_vars_r): Pass less parameters to add_referenced_var.
3633 (referenced_var_p): New. Is var in referenced_var hash table.
3634 (referenced_var_insert): Assert var isn't already in hash table.
3635 (add_referenced_var): Don't need walk_state parameter. Add var if it
3636 isn't already in the hash table.
3637 (add_referenced_tmp_var): Remove.
3638 (find_new_referenced_vars_1): Use add_referenced_var.
3639 * tree-ssa-pre.c (create_expression_by_pieces,
3640 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3641 Use add_referenced_var.
3642 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3643 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3644 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3646 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3647 vect_create_data_ref_ptr, vect_create_destination_var,
3648 vect_init_vector, vect_build_loop_niters,
3649 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3650 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3651 Use add_referenced_var.
3652 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3653 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3654 (add_referenced_var): Add prototype.
3655 * tree-ssa-structalias.c (get_constraint_for,
3656 intra_create_variable_infos): Use add_referenced_var.
3658 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3660 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3661 big-endian paradoxical subregs.
3662 * var-tracking.c (struct micro_operation_def): Document that,
3663 for modify micro operations, insn is the subsequent instruction.
3664 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3665 (var_reg_set, var_mem_set): ... new functions.
3666 (add_stores): Record subsequent insn.
3667 (compute_bb_dataflow): Use new functions for MO_USE.
3668 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3669 notes after the insn, and modify notes before the insn known
3670 to be the subsequent one.
3671 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3673 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3676 * config/i386/i386.c (ix86_expand_builtin): Use
3677 gen_sse3_monitor64 for TARGET_64BIT.
3679 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3681 PR rtl-optimization/26375
3682 PR rtl-optimization/26855
3683 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3685 (df_ru_bb_local_compute): Reversed statements and removed bogus
3686 comment explaining why they should be in wrong order.
3687 (df_ru_dump, df_rd_dump): Enhanced debug info.
3688 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3690 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3691 reaching uses and fixed space problem.
3693 2006-05-23 Jan Hubicka <jh@suse.cz>
3695 * cgraphunit.c (decide_is_function_needed): Also nested functions
3696 and functions declared inline can be optimized out at -O0.
3698 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3700 * doc/install.texi (Configuration): Remove reference to CrossGCC
3704 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3707 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3708 ix86_compare_emitted is non-NULL.
3710 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3713 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3716 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3718 PR rtl-optimization/25514
3719 * combine.c (replaced_rhs_insn): New variable.
3720 (combine_instructions): Set replaced_rhs_insn when trying to replace
3721 a SET_SRC with a REG_EQUAL note.
3722 (distribute_notes): Use replaced_rhs_insn when determining the live
3723 range of a REG_DEAD register.
3725 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3726 Anatoly Sokolov <aesok@post.ru>
3728 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3729 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3730 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3731 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3732 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3733 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3734 at90usb647, at90usb1286 and at90usb1287 devices.
3735 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3736 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3738 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3740 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3742 2006-05-22 Richard Guenther <rguenther@suse.de>
3745 2006-01-31 Richard Guenther <rguenther@suse.de>
3746 Paolo Bonzini <bonzini@gnu.org>
3748 * doc/install.texi (--disable-libgcc-math): Document.
3750 2006-05-22 Richard Guenther <rguenther@suse.de>
3753 2006-01-31 Richard Guenther <rguenther@suse.de>
3755 * doc/invoke.texi (-msselibm): Document.
3756 * target.h (expand_library_builtin): New target hook.
3757 * builtins.c (expand_builtin): Use expand_library_builtin.
3758 (default_expand_library_builtin): New function.
3759 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3760 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3761 (link_gcc_math_spec): Declare.
3762 (static_specs): Add link_gcc_math_spec.
3763 * expr.h (default_expand_library_builtin): Declare.
3764 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3765 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3766 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3767 * config/i386/i386.opt (msselibm): New target option.
3768 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3769 (ix86_init_sse_abi_builtins): New function.
3770 (ix86_expand_library_builtin): Likewise.
3771 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3772 (override_options): Handle error conditions wrt -msselibm.
3773 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3774 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3775 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3778 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3781 * c-common.c (self_promoting_args_p): Skip erroneous args.
3784 * c-decl.c (finish_struct): Skip erroneous fields.
3786 2006-05-22 Nick Clifton <nickc@redhat.com>
3788 * config/cris/cris.opt (march): Remove VarExists attribute.
3789 (max-stackframe=): Likewise.
3791 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3793 * doc/rtl.texi: Fix a typo.
3794 * see.c: Fix comment typos.
3796 * tree-ssa-structalias.h (alias_info): Remove num_references.
3798 2006-05-21 Mike Stump <mrs@apple.com>
3800 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3802 (darwin_pragma_options): Use BAD instead.
3803 (darwin_pragma_unused): Likewise.
3804 (darwin_pragma_ms_struct): Likewise.
3806 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3808 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3810 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3812 PR rtl-optimization/27671
3813 * simplify-rtx.c (simplify_relational_operation_1): Fix
3814 simplifications of (eq/ne (xor x y) y) and
3815 (eq/ne (xor x y) x).
3817 PR tree-optimization/26622.
3818 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3821 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3823 * tree-cfg.c: Prune whitespace.
3824 (debug_tree_cfg): Point to correct header containing the
3827 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3830 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3832 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3835 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3836 or sorry count is non zero.
3838 2006-05-20 Andreas Schwab <schwab@suse.de>
3840 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3842 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3843 Kenneth Zadeck <zadeck@naturalbridge.com>
3845 PR rtl-optimization/26855
3847 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3849 (df_scan_alloc): Added code to properly handle multiword hard
3850 registers and add all_blocks parameter.
3851 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3852 code to properly handle multiword hard registers.
3853 (df_rescan_blocks): Added code to remove deleted blocks from
3855 (df_ref_create_structure, df_ref_record): Added code to properly
3857 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3858 and set DF_REF_PARTIAL.
3859 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3860 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3861 (df_scan_add_problem): Added flags parameter.
3862 (df_ref_create_structure): Changed switching structure.
3863 (df_bb_refs_record): Fixed case where duplicate artificial refs
3864 were created. Changed location of flags.
3865 (df_record_entry_block_defs): Added code to make stack pointer
3866 live in entry block. Refined cases where frame pointer is needed.
3867 Changed location of flags.
3868 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3869 (df_set_state): Removed function.
3870 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3871 df_insn_create_insn_record, df_insn_refs_delete,
3872 df_ref_create_structure): Formatting changes.
3873 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3874 df_delete_basic_block): New function.
3875 (df_init): Changed location of flags.
3876 (df_add_problem): Added flags parameter and the way flags are
3878 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3879 debug_df_chain): Improved debugging output.
3880 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3881 (df_refs_chain_dump): Removed df parameter.
3882 (df_iterative_dataflow): Added consistency check.
3883 (df_prune_to_subcfg): Made public.
3884 (df_analyze_problem): Added blocks_to_init parameter and made
3886 (df_ref_record, df_bb_refs_record, df_mark_reg,
3887 df_record_exit_block_uses): Whitespace changes.
3888 (df_dump): Whitespace changes.
3889 * df.h: Some reordering to remove forward references.
3890 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3891 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3892 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3893 (dataflow.flags): New field.
3894 (df.flag): Deleted field.
3895 (df_alloc_function): Added additional bitmap parameter.
3896 (df_dependent_problem_function): New type.
3897 (df_problem.changeable_flags): New field.
3898 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3899 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3900 (df_mw_hardreg): New struct.
3901 (DF_INSN_UID_MWS): New macro.
3902 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3904 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3905 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3906 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3907 (df_set_state): Removed function.
3908 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3909 * df-problems.c (df_chain_dump): Removed df parameter.
3910 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3911 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3913 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3914 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3915 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3916 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3917 DF_REF_MUST_CLOBBER cases.
3918 (df_ru_bb_local_compute_process_def,
3919 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3920 df_lr_bb_local_compute, df_ur_bb_local_compute,
3921 df_chain_create_bb): Made subreg aware.
3922 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3923 df_lr_bb_local_compute, df_lr_bb_local_compute,
3924 df_chain_create_bb): Cleanup to use proper macros.
3925 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3926 code to fixup bitvectors.
3927 (df_ri_alloc): Cleared lifetime.
3928 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3929 df_create_unused_note): New function.
3930 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3931 REG_DEAD and REG_UNUSED notes as well as register information.
3932 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3933 df_chains_dump): Fixed crash if problem was never run.
3934 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3935 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3936 df_ri_add_problem): Processes flags in uniform manner.
3937 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3938 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3939 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3940 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3941 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3942 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3943 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3944 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3945 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3946 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3947 * see.c (see_initialize_data): Ditto.
3948 * final.c (rest_of_clean_state) Added regstack_completed.
3949 * rtl.h (regstack_completed): Ditto.
3950 * reg-stack.c (regstack_completed): Ditto.
3952 2006-05-19 Mike Stump <mrs@apple.com>
3954 * c-tree.h (default_conversion): Remove.
3955 * c-common.h (default_conversion): Add.
3957 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3959 * tree-vrp.c (valid_value_p): New function.
3960 (adjust_range_with_scev): Fail if the value of bound is not
3963 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3965 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3966 (mips_fallback_frame_state): Use syscall numbers to determine
3967 the appropriate li instruction for the current ABI. Only use
3968 __NR_sigreturn for o32.
3970 2006-05-19 Nicolas Setton <setton@adacore.com>
3972 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3973 * langhooks.c (lhd_dwarf_name): New function.
3974 * langhooks-def.h (lhd_dwarf_name): Declare.
3975 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3976 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3977 * ada/misc.c (gnat_dwarf_name): New function.
3978 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3980 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3982 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3984 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3985 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3986 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3987 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3988 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3989 determine the size of Wtype, etc.
3990 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3991 (swfloatfuncs): New variable.
3992 (dwfloatfuncs): Likewise.
3993 (lib2funcs): Remove floating-point conversion functions from
3994 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3995 the set of conversion routines needed. Allow entries to specify
3996 an object name, filename and word size. Update users accordingly.
3997 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3998 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4002 2006-02-08 Roger Sayle <roger@eyesopen.com>
4005 * config/fixtfdi.c: New libgcc source file.
4006 * config/fixunstfdi.c: New source file.
4007 * config/floatditf.c: New source file.
4008 * config/floatunditf.c: New souce file.
4009 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4010 files above instead of config/mips/_tilib.c.
4011 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4013 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4015 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4016 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4018 2006-05-18 Mike Stump <mrs@apple.com>
4020 Fix up vla, vm and [*] sematics.
4026 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4027 (c_vla_unspec_p): Add.
4028 (c_vla_type_p): Add.
4029 * c-decl.c (struct c_scope): Add had_vla_unspec.
4030 (build_array_declarator): Add support for [*].
4031 (grokdeclarator): Likewise.
4032 (grokparms): Likewise.
4033 (get_parm_info): Likewise.
4034 * c-objc-common.c (c_vla_unspec_p): Likewise.
4035 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4036 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4037 typeof when argument is a variably modified type not inside sizeof or alignof.
4038 (c_parser_direct_declarator_inner): Propagate errors.
4039 (c_parser_sizeof_expression): Add support for [*].
4040 (c_parser_parms_declarator): Initialize had_vla_unspec.
4041 (c_parser_parms_list_declarator): Likewise.
4042 * c-typeck.c (c_vla_type_p): Add.
4043 (composite_type): Add support for vla compositing.
4044 (comptypes_internal): Add support for vla compatibility.
4045 (c_expr_sizeof_expr): Evaluate vla arguments.
4046 * tree.c (variably_modified_type_p): Update comment for [*].
4048 2006-05-18 Michael Matz <matz@suse.de>
4051 * config.host: Make assignments to host_xmake_file cumulative.
4052 * config.host (*-darwin*): Test $host, not $target.
4054 2006-05-12 Stuart Hastings <stuart@apple.com>
4056 * config/i386/i386.opt (-mstackrealign): New flag.
4057 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4058 (ix86_handle_cconv_attribute): Emit error when
4059 force_align_arg_pointer attribute collides with too many regparms.
4060 (ix86_function_regparm): Limit regparms when used with
4061 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4062 Support stack-realigning prologue in non-main functions. Emit
4063 warning for nested functions under -mstackrealign, emit error for
4064 nested functions with force_align_arg_pointer attribute.
4065 * doc/extend.texi (force_align_arg_pointer): Document it.
4066 * doc/invoke.texi (-mstackrealign): Document it.
4068 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4070 PR rtl-optimization/27477
4071 * combine.c (try_combine): Don't split a parallel consisting
4072 of two sets into two individual sets if both sets reference
4075 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4077 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4078 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4080 * doc/options.texi (VarExists): Updated.
4082 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4084 * unwind-dw2.c: Add declarations for uw_update_context and
4086 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4087 detected, advance frame state and context once to skip over stub.
4089 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4093 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4094 Call rewrite_into_loop_closed_ssa only when something changed.
4095 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4096 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4097 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4098 Test for perfect_nest_p here. Fix formating.
4099 (replace_uses_equiv_to_x_with_y): Fix formating.
4100 (stmt_uses_op): Removed.
4101 (can_convert_to_perfect_nest): Removed loopivs parameter.
4102 Complete the test by checking the scalar dependences.
4103 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4106 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4109 From Dan Kegel <dank@kegel.com>:
4110 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4112 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4114 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4115 if the element type is variably modified without recursing.
4117 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4120 * tree-loop-linear.c (try_interchange_loops): Test for
4121 no data dependences.
4123 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4125 PR tree-optimization/27548
4126 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4127 range of ssa names that appear on abnormal edges.
4128 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4129 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4131 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4134 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4136 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4139 * tree.h (OMP_PARALLEL_COMBINED): Define.
4140 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4141 (new_omp_context): Add is_combined_parallel argument.
4142 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4143 new_omp_context caller.
4144 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4145 Adjust gimplify_scan_omp_clauses callers.
4146 (omp_is_private): Issue errors if iteration variable is firstprivate
4147 or reduction in the current context.
4148 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4149 on combined parallel workshare constructs.
4151 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4153 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4154 (gcc-options.o): New rule.
4156 * optc-gen.awk: Protect variables for gcc-options.o with
4157 #ifdef GCC_DRIVER/#endif.
4159 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4161 Fix PR tree-optimization/27373
4162 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4163 (forward_propagate_addr_expr): Update call.
4165 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4167 * doc/options.texi: Move the Negative option.
4169 2006-05-16 Richard Guenther <rguenther@suse.de>
4171 PR tree-optimization/22303
4172 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4174 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4175 ccp_fold did not simplify the statement.
4177 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4180 * Makefile.in (GCC_OBJS): New.
4181 (OBJS-common): Add opts-common.o.
4182 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4183 (cpp$(exeext)): Likewise.
4184 (gcc.o): Also depend on opts.h.
4185 (opts-common.o): New.
4187 * common.opt (gcoff): Add Negative(gdwarf-2).
4188 (gdwarf-2): Add Negative(gstabs).
4189 (gstabs): Add Negative(gstabs+).
4190 (gstabs+): Add Negative(gvms).
4191 (gvms): Add Negative(gxcoff).
4192 (gxcoff): Add Negative(gxcoff+).
4193 (gxcoff+): Add Negative(gcoff).
4194 * config/i386/i386.opt (m32): Add Negative(m64).
4195 (m64): Add Negative(m32).
4197 * doc/options.texi: Document the Negative option.
4199 * gcc.c: Include "opts.h".
4200 (main): Call prune_options after expandargv.
4202 * optc-gen.awk: Generate common declarations for all flag
4203 variables in options.c. Output the neg_index field.
4205 * opts.c (find_opt): Moved to ...
4206 * opts-common.c: Here. New file.
4208 * opts.h (cl_option): Add a neg_index field.
4210 (prune_options): Likewise.
4212 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4215 * omp-low.c (expand_omp_parallel): Don't assert
4216 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4217 instead search for it.
4220 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4223 2006-05-16 Andreas Schwab <schwab@suse.de>
4225 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4228 2006-05-15 Roger Sayle <roger@eyesopen.com>
4231 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4232 integer constants other than zero are only legitimate on TARGET_64BIT.
4233 <CONST_VECTOR> Only zero vectors are legitimate.
4234 (ix86_cannot_force_const_mem): Integral and vector constants can
4235 always be put in the constant pool.
4237 2006-05-16 DJ Delorie <dj@redhat.com>
4239 * crtstuff.c (__dso_handle): Set section from
4240 TARGET_LBIGCC_SDATA_SECTION if defined.
4241 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4242 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4244 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4247 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4250 2006-05-16 Ben Elliston <bje@au.ibm.com>
4252 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4254 2006-05-15 Per Bothner <per@bothner.com>
4256 * tree.c: (last_annotated_node): Use source_locus typedef.
4257 This permits bootstrapping with --enable-mapped-location.
4259 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4261 PR tree-optimization/26830
4262 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4263 (info_for_ssa_name, current_info_for_ssa_name_age,
4264 blocks_to_update): New variables.
4265 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4266 (clear_ssa_name_info, initialize_flags_in_bb,
4267 mark_block_for_update): New functions.
4268 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4269 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4270 prepare_def_site_for): Use mark_block_for_update.
4271 (mark_def_interesting): Assert that the processed block is marked in
4272 blocks_to_update. Do not take blocks argument.
4273 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4275 (rewrite_update_init_block, rewrite_update_stmt): Only process
4276 blocks with statements to rewrite.
4277 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4278 (update_ssa): Initialize and free blocks_to_update. Do not
4279 clear flags on statements. Do not use blocks bitmap.
4280 * tree.h (SSA_NAME_AUX): Removed.
4281 (struct tree_ssa_name): Removed aux field.
4282 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4284 2006-05-15 Richard Guenther <rguenther@suse.de>
4286 PR tree-optimization/27603
4287 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4288 Do computations in original type.
4290 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4292 * see.c: Code style changes such as redundant paranthesis,
4293 redundant intialization of local variables etc.
4294 (see_main): Declared now as static.
4295 * doc/invoke.texi: Update that -fsee is not enabled by
4298 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4300 * omp-low.c (check_omp_nesting_restrictions): New function.
4301 (scan_omp_1): Call it.
4304 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4305 construct, return *VAR.
4307 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4309 PR rtl-optimization/27406
4310 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4313 2006-05-14 Roger Sayle <roger@eyesopen.com>
4315 PR rtl-optimization/27538
4316 * combine.c (expand_compound_operation): Call gen_lowpart
4317 before calling simplify_shift_const.
4319 2006-05-14 Roger Sayle <roger@eyesopen.com>
4321 PR rtl-optimization/22563
4322 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4323 a fixed width bitfield, always force the intermediates into psuedos.
4325 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4328 * mkconfig.sh: Use operator = instead of == for test.
4330 2006-05-13 Nick Clifton <nickc@redhat.com>
4332 * dwarf2out.c (dbx_reg_number): Check return value from
4333 LEAF_REG_REMAP and only use it if it is valid.
4334 (multiple_reg_loc_descriptor): Likewise.
4336 2006-05-13 Richard Guenther <rguenther@suse.de>
4338 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4341 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4343 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4344 information attached to non-INSNs such as NOTEs.
4345 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4347 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4349 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4351 * config/s390/s390.md: Adjust comment describing On constraint.
4353 2006-05-11 Jan Hubicka <jh@suse.cz>
4355 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4356 to be output at -O0.
4358 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4361 * fold-const.c (size_binop): Move sanity check for arguments to
4362 the beginning of the function.
4365 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4368 2006-05-11 Richard Guenther <rguenther@suse.de>
4371 * fold-const.c (fold_unary): Handle intermediate conversion
4372 to a pointer type like intermediate conversion to an integer
4373 type in folding of (T1)(T2)var to var.
4374 Match the code to the comment in the final conversion for
4375 (T1)(T2)var to (T1)var regarding to type precision. Rather
4376 than disallow T1 being of pointer type, assert that both T1
4377 and var are of pointer type or not. Make sure not to fall
4378 over the frontends lazyness wrt array to pointer decay though.
4380 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4382 * arm.c (arm_struct_value_rtx): Delete.
4383 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4384 (arm_init_cumulative_args): Always initialize nregs to zero.
4386 2006-05-10 Richard Guenther <rguenther@suse.de>
4388 PR tree-optimization/27532
4389 * tree-object-size.c (plus_expr_object_size): Fix typo.
4391 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4394 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4395 ashrdi_const, ashrdi3): Use a scratch register.
4397 2006-05-10 Richard Guenther <rguenther@suse.de>
4399 PR tree-optimization/27302
4400 * fold-const.c (operand_equal_p): For two comparisons,
4401 try comparison of one comparison code swapped if that yields
4404 2006-05-10 Ben Elliston <bje@au.ibm.com>
4406 * tree-pretty-print.c (pretty_print_string): No need to handle
4407 '\0' as a special character.
4409 * tree.h: Include "hashtab.h".
4410 (iterative_hash_expr): Use hashval_t in its prototype.
4411 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4413 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4416 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4417 (hppa*64*-*-hpux11*): Ditto.
4418 (hppa[12]*-*-hpux11*): Ditto.
4420 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4423 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4425 2006-05-09 Michael Matz <matz@suse.de>
4427 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4428 host_extra_gcc_objs and host_xmake_file.
4429 (<*-*-linux*>): Don't overwrite host_xmake_file.
4430 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4431 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4432 (host_detect_local_cpu): Declare.
4433 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4434 * config/i386/i386.c (override_options): Handle -mtune=native
4436 * config/i386/x-i386: New file.
4437 * config/i386/driver-i386.c: New file.
4438 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4441 2006-05-09 Dirk Mueller <dmueller@suse.de>
4442 Richard Guenther <rguenther@suse.de>
4445 * fold-const.c (fold_read_from_constant_string): Relax check
4446 for matching types to matching modes.
4448 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4450 PR rtl-optimization/27335
4451 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4454 2006-05-08 Chao-ying Fu <fu@mips.com>
4455 Richard Sandiford <richard@codesourcery.com>
4457 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4458 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4459 * config/mips/mips.md (UNSPEC_SCC): New constant.
4460 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4461 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4462 (mips_emit_compare): Use it.
4463 (mips_expand_vcondv2sf): New function.
4465 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4467 Fix PR tree-optimization/27093
4468 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4469 renaming when they become not-used_alone.
4471 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4473 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4474 relocation and relocation stubs.
4476 2006-05-08 Eric Christopher <echristo@apple.com>
4478 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4481 2006-05-08 Jan Hubicka <jh@suse.cz>
4484 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4485 unused static functions are needed.
4487 2006-05-08 Roger Sayle <roger@eyesopen.com>
4490 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4491 of a reg_equiv_constant if the result is a legitimate constant.
4493 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4496 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4497 standard 80387 constants, raise the cost to prevent
4498 compress_float_constant() to generate load from memory.
4500 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4502 * config/arm/constraints.md (c): Fix a typo.
4504 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4507 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4510 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4512 (_mm_mwait): Likewise.
4514 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4516 (sse3_monitor): Make it 32bit only.
4517 (sse3_monitor64): New. 64bit monitor.
4519 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4522 * config/i386/i386.c (classify_argument): Skip fields with invalid
4525 2006-05-07 Richard Guenther <rguenther@suse.de>
4527 PR tree-optimization/27409
4528 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4529 Do not try to find zero-sized subvars.
4531 2006-05-07 Richard Guenther <rguenther@suse.de>
4533 PR tree-optimization/27136
4534 * tree-ssa-loop-niter.c (get_val_for): Correct function
4535 comment, assert requirements.
4536 (loop_niter_by_eval): Stop processing if the iterated
4537 value did not simplify.
4539 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4541 * opts.c (flag_see): remove its setting at -O3.
4543 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4545 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4546 * arm/constraints.md: New file.
4547 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4548 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4549 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4550 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4551 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4552 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4553 * arm.md: Include constraints.md.
4554 (thumb_movsi_insn): Use satisfies_constraint_J.
4555 (movhi, movqi): Use satisfies_constraint_I.
4557 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4559 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4560 for atmeg a645 device.
4562 2006-05-06 Richard Guenther <rguenther@suse.de>
4564 PR tree-optimization/27151
4565 * tree-vect-transform.c (vectorizable_condition): Punt on
4566 values that have a different type than the condition.
4568 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4571 * c-parser.c (c_parser_cast_expression): Only insert casts into
4572 hash table if pointer.
4573 * function.c (used_types_insert_helper): Rename from
4575 (used_types_insert): Call used_types_insert_helper.
4576 * function.h (used_types_insert): Accept only one argument.
4578 2006-05-05 David Edelsohn <edesohn@gnu.org>
4580 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4581 scratch with output modifier.
4583 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4586 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4587 with output modifier.
4589 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4592 * config/mips/mips.c (mips_symbolic_address_p): Return true
4593 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4594 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4596 2006-05-04 Richard Guenther <rguenther@suse.de>
4598 PR tree-optimization/14287
4599 PR tree-optimization/14844
4600 PR tree-optimization/19792
4601 PR tree-optimization/21608
4602 PR tree-optimization/27090
4603 * tree-ssa-pre.c (try_combine_conversion): New function.
4604 (compute_avail): After constructing the value-handle
4605 expression, use try_combine_conversion to combine NOP_EXPRs
4606 with previous value-handle expressions and use the result if it
4609 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4611 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4613 2006-05-04 Jan Hubicka <jh@suse.cz>
4616 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4618 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4620 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4621 that this only matches CONST_INTs. All users changed to VOIDmode
4624 * config/bfin/bfin.c: Include "optabs.h".
4625 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4627 (enum bfin_builtins): Add a number of fractional and vector builtins.
4628 (bfin_init_builtins): Likewise.
4629 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4630 (safe_vector_operand, bfin_expand_binop_builtin,
4631 bfin_expand_unop_builtin): New functions.
4632 (bfin_expand_builtin): Handle the new builtins.
4633 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4636 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4639 * Makefile.in (OBJS-common): Add see.o.
4640 (see.o): Add dependencies.
4641 * common.opt (fsee): New flag for the see optimization was added.
4642 * opts.c (flag_see): Initialized.
4643 * passes.c (init_optimization_passes, pass_see): New pass.
4644 * rtl.h (see_main): Declaration as extern.
4645 * timevar.def (TV_SEE): New.
4646 * tree-pass.h (pass_see): Declaration as extern.
4647 * invoke.texi (-fsee): Document.
4648 * recog.c (validate_simplify_insn): New function.
4649 * recog.h (validate_simplify_insn): Declaration as extern.
4650 * df-problems.c (df_chain_dump): Check for NULL.
4652 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4653 Daniel Berlin <dberlin@dberlin.org>
4655 * cfgrtl.c (insert_insn_bb_end_new): New function.
4656 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4658 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4660 * df.h (struct web_entry): Moved from web.c.
4661 (union_defs): Declaration as extern.
4662 (unionfind_root): Likewise.
4663 (unionfind_union): Likewise.
4664 * web.c (struct web_entry): Moved to df.h.
4665 (unionfind_root): Remove static declaration.
4666 (unionfind_union): Likewise.
4667 (union_defs): Likewise and generalize to use callback function.
4668 (web_main): Update arguments for union_defs function call.
4670 2006-05-04 Richard Guenther <rguenther@suse.de>
4672 PR tree-optimization/26447
4673 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4674 produce SSA_NAME copies before the store stmt to avoid
4675 breaking exception handling.
4677 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4680 * gimplify.c (omp_is_private): If var is shared in some outer context,
4681 return false instead of true. Stop searching on parallel context
4684 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4687 * coverage.c: Use get_gcov_unsigned_t() instead of
4688 unsigned_type_node all over.
4690 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4692 PR tree-optimization/27381
4693 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4694 maintain the same immediate_use links.
4695 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4696 node rather than segfaulting.
4698 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4701 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4702 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4703 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4705 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4707 Fix PR tree-optimization/26626
4708 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4710 * tree-ssa-operands.c (access_can_touch_variable): Allow
4711 typecasting through union pointers.
4713 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4716 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4717 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4718 to find if var will be a global variable even in the nested context.
4719 (omp_copy_decl): Only check for global variable at the end, it might
4720 be overridden in outer contexts.
4721 (scan_sharing_clauses): For global variables don't create a field.
4722 (lower_rec_input_clauses): Do nothing for global shared variables.
4723 Emit a barrier at the end of ILIST if there were any decls in both
4724 firstprivate and lastprivate clauses.
4725 (lower_send_clauses): Do nothing for global variables except for
4728 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4730 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4731 of the correct signedness is returned.
4733 2006-05-02 Jeff Law <law@redhat.com>
4735 PR tree-optimization/27364
4736 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4737 multiply expressions.
4739 2006-05-02 Tom Tromey <tromey@redhat.com>
4741 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4743 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4746 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4747 -mthumb -fPIC are used.
4749 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4750 Joshua Kinard <kumba@gentoo.org>
4753 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4754 with 64-bit pointers.
4756 2006-05-02 Paul Brook <paul@codesourcery.com>
4758 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4760 (create_fix_barrier): Check that a suitable barrier location is
4762 (arm_reorg): Include ftmp->address in allowable range of addresses.
4764 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4767 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4770 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4773 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4774 around RESULT_DECL for result passed by reference.
4775 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4776 * omp-low.c (use_pointer_for_field): Don't look at
4777 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4778 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4779 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4780 time or var for passing by reference for
4781 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4782 TREE_ADDRESSABLE variables when passing by reference.
4784 * omp-low.c (dump_omp_region): Fix output formatting.
4787 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4788 (expand_omp_parallel): Likewise.
4789 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4792 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4793 on statement list containing also constructors and destructors.
4794 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4797 * except.c (duplicate_eh_regions): Fix clearing of
4798 cfun->eh->region_array entries.
4800 2006-05-01 DJ Delorie <dj@redhat.com>
4802 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4804 (gcc_cv_objdump): Likewise.
4805 * configure: Regenerated.
4807 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4810 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4811 templates for case 3 and 4.
4813 2006-05-01 DJ Delorie <dj@redhat.com>
4815 * vec.c: Include bconfig.h when appropriate.
4816 * Makefile.in (build/vec.o): Adjust dependencies.
4817 * mkconfig.sh: Make sure config.h isn't used for build machine
4820 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4822 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4824 (mark_phi_for_rewrite): New function.
4825 (insert_phi_nodes_for, mark_use_interesting): Call
4826 mark_phi_for_rewrite.
4827 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4828 (update_ssa): Initialize and free phis_to_rewrite.
4830 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4832 PR rtl-optimization/27291
4833 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4834 folded to a constant.
4836 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4838 PR tree-optimization/27283
4839 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4840 not whole # of iteration descriptions.
4841 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4842 uses abnormal ssa name.
4843 (niter_for_single_dom_exit): Ditto.
4844 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4845 return just the number of iterations.
4847 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4849 PR tree-optimization/27144
4850 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4851 (record_estimate): Only record constant upper bound.
4852 (infer_loop_bounds_from_undefined): Call
4853 compute_estimated_nb_iterations just once.
4854 (proved_non_wrapping_p): Renamed to ...
4855 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4856 (convert_step_widening, scev_probably_wraps_p): Call
4857 n_of_executions_at_most instead of proved_non_wrapping_p.
4858 (substitute_in_loop_info): Do not replace values in bounds.
4859 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4862 2006-05-01 Richard Henderson <rth@redhat.com>
4865 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4866 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4869 2006-05-01 Roger Sayle <roger@eyesopen.com>
4871 * c-typeck.c (parser_build_binary_op): Don't call the function
4872 unsigned_conversion_warning to spot operand/result type overflow.
4873 (build_binary_op): Instead, call convert_and_check instead of
4874 convert to report the problem when the operands are promoted.
4875 * c-common.c (unsigned_conversion_warning): Make static.
4876 * c-common.h (unsigned_conversion_warning): Delete prototype.
4878 2006-05-01 Richard Guenther <rguenther@suse.de>
4880 PR tree-optimization/26726
4881 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4883 (find_interesting_uses_address): ... we work around here
4884 by folding INDIRECT_REFs in the substituted base.
4886 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4888 * omp-low.c (dump_omp_region): Add newlines.
4890 2006-04-30 Roger Sayle <roger@eyesopen.com>
4892 * common.opt (Woverflow): New command line option.
4893 * c-common.c (constant_expression_warning): Check warn_overflow.
4894 (overflow_waring): Pass OPT_Woverflow to warning.
4895 (unsigned_conversion_warning): Likewise.
4896 (convert_and_check): Likewise.
4897 * doc/invoke.texi: Document new command line option.
4899 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4901 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4902 TARGET_NO_FP_IN_TOC for section anchors.
4903 (optimization_options): Enable section anchors for all
4904 non-"Objective" languages.
4906 2006-04-28 Eric Christopher <echristo@apple.com>
4908 * config/darwin-c.c (darwin_ms_struct): Move this
4909 (darwin_set_default_type_attributes): and this...
4910 * config/darwin.c: ... here.
4911 * config/darwin.h (darwin_ms_struct): Declare.
4913 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4915 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4917 2006-04-28 Roger Sayle <roger@eyesopen.com>
4920 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4921 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4922 an unsigned HOST_WIDE_INT.
4923 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4925 (really_start_incremental_init): No need to call convert because
4926 bitsize_zero_node is already of type bitsizetype.
4927 (push_init_level): Extract the value of constructor_index as an
4928 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4929 (process_init_element): Likewise.
4931 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4933 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4934 value before passing to make_relative_prefix.
4936 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4939 * builtins.c (expand_builtin_memset): Expand val in original mode.
4941 2006-04-27 Eric Christopher <echristo@apple.com>
4943 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4944 with #ifndef/#endif.
4945 * config/darwin-c.c (darwin_ms_struct): New.
4946 (darwin_pragma_ms_struct): Ditto.
4947 (darwin_set_default_type_attributes): Ditto.
4948 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4949 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4950 Register ms_struct pragma.
4951 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4952 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4953 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4954 darwin_set_default_type_attributes if TARGET_MACHO.
4956 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4958 PR tree-optimization/26854
4959 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4960 * doc/tree-ssa.texi: Update immuse iterator documentation.
4961 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4962 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4963 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4964 first_safe_imm_use, next_safe_imm_use): Remove.
4965 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4966 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4967 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4968 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4969 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4970 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4971 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4972 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4973 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4974 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4975 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4976 (perfect_nestify): Use new iterator.
4977 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4979 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4980 (next_imm_name): New field in struct immediate_use_iterator_d.
4981 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4982 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4983 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4984 * tree-cfg.c (replace_uses_by): Use new iterator.
4985 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4986 * tree-ssa-operands.c (correct_use_link): Remove.
4987 (finalize_ssa_use_ops): No longer call correct_use_link.
4989 2006-04-27 Stuart Hastings <stuart@apple.com>
4991 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4992 * config/t-darwin (crt3.o): Use it.
4993 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4994 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4995 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4996 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4997 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5000 2006-04-27 Roger Sayle <roger@eyesopen.com>
5002 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5003 size, force the intermediate into a new pseudo rather instead of
5004 performing both a bitwise AND and a bitwise IOR in memory.
5006 2006-04-27 Richard Guenther <rguenther@suse.de>
5008 PR rtl-optimization/26685
5009 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5010 this one "max-flow-memory-locations".
5012 2006-04-27 Richard Guenther <rguenther@suse.de>
5014 PR tree-optimization/25148
5015 * tree-vrp.c (compare_values): Remove code dealing with
5016 comparisons against type min/max value. Honour overflow
5017 and negative constants in code dealing with comparisons
5018 of plus and minus expressions.
5019 (value_inside_range): Use fold_binary with LE_EXPR and
5020 GE_EXPR rather than compare_values.
5022 2006-04-27 Dirk Mueller <dmueller@suse.de>
5024 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5027 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5029 * basic-block.h (safe_insert_insn_on_edge): Removed.
5030 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5032 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5033 Paolo Bonzini <bonzini@gnu.org>
5036 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5037 (simplify_and_const_int): Same.
5039 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5041 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5043 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5046 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5047 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5048 cgraph_global_info_ready.
5051 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5054 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5055 either decl or init is error_mark_node.
5058 * tree-flow.h (struct omp_region): Add sched_kind.
5059 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5060 instead of extracting omp for data.
5061 (expand_omp_for): Save extracted sched_kind.
5063 2006-04-25 Roger Sayle <roger@eyesopen.com>
5065 * expmed.c (store_bit_field): Also check whether the bitsize is
5066 valid for the machine's "insv" instruction before moving the
5067 target into a pseudo for use with the insv.
5068 * config/i386/predicates.md (const8_operand): New predicate.
5069 * config/i386/i386.md (extv, extzv, insv): Use the new
5070 const8_operand predicate where appropriate.
5072 2006-04-25 DJ Delorie <dj@redhat.com>
5074 * doc/install.texi (Specific): Clarify that this is not a list of
5075 supported hosts or targets.
5077 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5079 PR rtl-optimization/26725
5080 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5081 block's BB_DIRTY flag.
5083 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5085 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5088 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5089 to print an integer.
5091 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5093 * varasm.c (align_variable): New function.
5094 (get_block_for_decl): Apply align_variable to DECL before
5095 calculating section information.
5096 (assemble_variable): Split out alignment computation.
5098 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5100 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5103 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5105 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5106 MODE_PARTIAL_INT mode.
5107 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5108 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5110 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5111 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5113 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5115 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5117 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5118 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5119 MACFLAG_IH): Likewise.
5120 (movstricthi_1): Renamed from "*movstricthi".
5121 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5122 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5123 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5124 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5125 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5126 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5127 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5128 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5129 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5130 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5131 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5132 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5133 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5134 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5135 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5137 * doc/rtl.texi (ss_ashift): Improve wording.
5139 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5141 * dwarf2out.c (verify_marks_clear): New.
5142 (prune_unused_types): Call verify_marks_clear initially, not
5145 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5147 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5148 * doc/rtl.texi: Document them.
5149 * simplify-rtx.c (simplify_unary_operation,
5150 simplify_binary_operation_1): Don't abort when we see them.
5152 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5155 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5156 * configure.ac: Completely disregard languages that are not
5158 * configure: Regenerated.
5160 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5161 Richard Guenther <rguenther@suse.de>
5163 PR tree-optimization/27236
5164 * tree-inline.c (copy_body_r): Make sure to copy
5165 TREE_THIS_VOLATILE flag.
5167 2006-04-24 Richard Guenther <rguenther@suse.de>
5170 * tree-complex.c (update_parameter_components): Don't handle
5171 unused parameters which have no default def.
5173 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5174 Richard Guenther <rguenther@suse.de>
5176 PR tree-optimization/27218
5177 * tree-inline.c (expand_call_inline): Strip useless type
5178 conversions for the return slot address.
5180 2006-04-24 Richard Guenther <rguenther@suse.de>
5182 * cfgloop.h (struct loops): Remove unused field array. Reorder
5184 (LOOP_PREFETCH): Remove.
5186 2006-04-24 Richard Guenther <rguenther@suse.de>
5188 PR tree-optimization/22525
5189 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5190 variable, adjust types of generated expressions.
5192 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5194 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5195 (tree-vect-patterns.o): Likewise.
5197 (cselib.o): Likewise.
5198 (loop-doloop.o): Likewise.
5199 (regclass.o): Likewise.
5200 (reload1.o): Likewise.
5201 (explow.o): Replace target.h with $(TARGET_H).
5202 (ipa-prop.o): Likewise.
5203 (ipa-cp.o): Likewise.
5204 (ipa-inline.o): Likewise.
5205 (reorg.o): Likewise.
5206 (reg-stack.o): Likewise.
5208 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5210 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5212 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5214 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5216 * configure.ac: Completely disregard languages that are not
5218 * configure: Regenerated.
5221 * c-common.h (c_build_bitfield_integer_type): Declare.
5222 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5223 * c-common.c (c_build_bitfield_integer_type): ... here.
5225 2006-04-23 Roger Sayle <roger@eyesopen.com>
5228 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5229 a SImode SUBREG of a floating point register after no_new_pseudos.
5231 2006-04-23 Roger Sayle <roger@eyesopen.com>
5233 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5234 identify potentially eliminable registers to additionally catch
5235 VIRTUAL_INCOMING_ARGS_REGNUM.
5236 (addsi3): Update the conditions on when to use addsi_small_int.
5238 2006-04-23 Roger Sayle <roger@eyesopen.com>
5241 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5242 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5243 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5245 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5247 * fold-const.c (range_predecessor): Use operand_equal_p
5248 as the predicate for equality.
5249 (range_successor): Likewise.
5251 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5254 * config/soft-fp/op-common.h: Fix a typo.
5256 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5259 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5260 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5262 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5264 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5266 * doc/tm.texi: Fix a typo.
5268 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5270 * dwarf2out.c (struct die_struct): Document that die_sib makes
5271 a circular linked list.
5272 (FOR_EACH_CHILD): New.
5273 (reverse_die_lists): Delete.
5274 (reverse_all_dies): Delete.
5275 (add_dwarf_attr): Correct documentation.
5276 (remove_child_with_prev): New.
5277 (remove_child_TAG): Update for change to die_struct, use
5278 remove_child_with_prev.
5279 (add_child_die): Update for change to die_struct.
5280 (splice_child_die): Use remove_child_with_prev and add_child_die.
5281 (print_die): Use FOR_EACH_CHILD.
5282 (die_checksum): Likewise.
5283 (assign_symbol_names): Likewise.
5284 (output_location_lists): Likewise.
5285 (build_abbrev_table): Likewise.
5286 (calc_die_sizes): Likewise.
5287 (mark_dies): Likewise.
5288 (unmark_dies): Likewise.
5289 (unmark_all_dies): Likewise.
5290 (output_die): Likewise.
5291 (prune_unused_types_mark): Likewise.
5292 (prune_unused_types_walk): Likewise.
5293 (same_die_p): Update for change to die_struct.
5294 (break_out_includes): Likewise.
5295 (prune_unused_types_prune): Likewise.
5296 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5297 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5299 (dwarf2out_finish): Don't call reverse_all_dies.
5301 2006-04-21 Eric Christopher <echristo@apple.com>
5303 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5304 in comments and function names.
5306 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5309 * c-typeck.c (digest_init): Robustify.
5311 * c-typeck.c (pop_init_level): Simplify.
5313 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5315 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5317 2006-04-21 Paul Brook <paul@codesourcery.com>
5319 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5320 hardware floating point.
5322 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5324 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5327 2006-04-21 Nick Clifton <nickc@redhat.com>
5329 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5332 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5335 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5336 C++ lang type in traceback table for Objective-C++.
5338 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5340 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5342 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5344 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5347 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5348 were errors. Remove check for erroneous objects.
5350 2006-04-20 Jeff Law <law@redhat.com>
5352 PR tree-optimization/26854
5353 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5354 checking for zero or one use.
5355 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5356 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5357 * tree-ssa-reassoc.c (negate_value): Similarly.
5358 (reassociate_bb): Similarly.
5360 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5362 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5363 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5364 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5366 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5368 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5369 fp regs if the last fp arg doesn't fit in regs.
5371 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5374 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5375 that the last insn has the REG_INC note.
5377 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5378 Nathan Sidwell <nathan@codesourcery.com>
5381 * stor-layout.c (update_alignment_for_field): Do not align
5383 (place_union_field): Place union field at the start of the union.
5384 (place_field): Move ERROR_MARK check later, and use the current
5385 allocation position to maintain monotonicity.
5387 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5389 * dominance.c: Include timevar.h.
5390 (calculate_dominance_info): Use TV_DOMINANCE.
5391 * timevar.def (TV_DOMINANCE): New timevar.
5392 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5394 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5396 PR rtl-optimization/14261
5397 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5398 move would be an INSV insn.
5399 (noce_process_if_block): Don't optimize if the destination is a
5400 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5402 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5404 * config/s390/s390.md: Add comments with the instructions emitted
5405 by an insn pattern if macros are used.
5407 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5409 PR rtl-optimization/26026
5410 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5411 is a known power of two shifted left a variable amount.
5413 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5415 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5416 to hash table twice when the debug_str section has SECTION_MERGE.
5418 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5420 * config/soft-fp: New directory. From glibc.
5421 * config/soft-fp/t-softfp: New.
5422 * config/soft-fp/README: New.
5423 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5424 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5425 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5426 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5427 * config.gcc: Use rs6000/t-fprules-fpbit or
5428 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5430 * config/rs6000/sfp-machine.h: New. Based on glibc.
5431 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5433 * config/rs6000/t-fprules: Remove fp-bit rules.
5434 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5435 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5436 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5437 (softfp_wrap_start, softfp_wrap_end): New.
5439 2006-04-18 DJ Delorie <dj@redhat.com>
5441 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5443 2006-04-18 Devang Patel <dpatel@apple.com>
5445 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5447 2006-04-18 Nick Clifton <nickc@redhat.com>
5449 * config/sh/t-symbian: Add rule to build sh-c.o
5450 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5451 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5452 (sh_symbian_encode_section_info): Likewise.
5454 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5456 * builtins.c (expand_builtin_strcmp): Cover label definition of
5457 do_libcall with HAVE_cmpstrnsi.
5459 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5461 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5463 * function.h (temp_slot_p): New.
5464 (function): Change the type of x_used_temp_slots to
5465 VEC(temp_slot_p,gc) *.
5467 2006-04-18 Nick Clifton <nickc@redhat.com>
5469 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5470 flag_strength_reduce.
5472 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5474 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5478 Partial revert of revision 112637
5479 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5480 Dale Johannesen <dalej@apple.com>
5483 * regclass.c (struct reg_pref): Update documentation.
5484 (regclass): Set prefclass to NO_REGS if memory is the best option.
5485 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5487 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5489 PR tree-optimization/26821
5490 * tree-ssa-math-opts.c (get_constant_one): New.
5491 (insert_reciprocals): Use it.
5493 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5495 * dwarf2out.c (free_AT): Delete.
5496 (remove_AT): Update string ref counts.
5497 (remove_child_TAG): Don't call free_die.
5499 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5500 or DW_TAG_GNU_EINCL.
5501 (prune_unused_types_walk_attribs): Reset string refcounts.
5502 (prune_unused_types_update_strings): New.
5503 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5504 call free_die. Do call prune_unused_types_update_strings.
5505 (prune_unused_types): Empty debug_str_hash.
5507 2006-04-17 Roger Sayle <roger@eyesopen.com>
5509 * expr.c (expand_assignment): Optimize away no-op moves where the
5510 source and destination are equal and have no side-effects.
5512 2006-04-17 Richard Guenther <rguenther@suse.de>
5515 * reload.c (push_reload): Guard calls to get_secondary_mem
5518 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5520 * alias.c (reg_base_value, old_reg_base_value): Change the
5521 type to VEC(rtx,gc) *.
5522 (REG_BASE_VALUE, find_base_value, record_set,
5523 init_alias_analysis): Use VEC instead of VARRAY.
5525 * alias.c (alias_sets): Change the type to
5526 VEC(alias_set_entry,gc) *.
5527 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5528 VEC instead of VARRAY.
5529 (last_alias_set): Remove.
5531 * cgraph.h (cgraph_edge_p): New.
5532 Update the prototype of cgraph_function_versioning.
5533 * cgraphunit.c (cgraph_copy_node_for_versioning,
5534 cgraph_function_versioning): Use VEC instead of VARRAY.
5535 * ipa-cp.c (ipcp_insert_stage): Likewise.
5537 2006-04-16 Roger Sayle <roger@eyesopen.com>
5540 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5541 "A op B" or "A op C", we may need to convert A to the type of B and C.
5543 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5545 * target.h (struct gcc_target): Add mode_rep_extended.
5546 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5547 (init_num_sign_bit_copies_in_rep): Initialize it using
5549 (truncate_to_mode): Use it.
5550 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5551 * targhooks.h (default_mode_rep_extended): Declare it.
5552 * targhooks.c (default_mode_rep_extended): Define it.
5553 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5554 default_mode_rep_extended.
5555 (TARGET_INITIALIZER): Include it.
5556 * doc/tm.texi (Misc): Document it.
5557 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5558 (mips_truncated_to_mode): New function.
5560 2006-04-16 Roger Sayle <roger@eyesopen.com>
5563 * expr.c (compress_float_constant): Copy the narrow constant into
5564 a new pseudo before extending it to its final width.
5566 2006-04-16 Roger Sayle <roger@eyesopen.com>
5567 Andrew Pinski <pinskia@gcc.gnu.org>
5568 Dale Johannesen <dalej@apple.com>
5571 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5572 special case code to implement V8HImode and V16QImode with SSE2.
5574 2006-04-15 Roger Sayle <roger@eyesopen.com>
5576 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5577 trees are constructed with a suitable tree type.
5579 2006-04-15 Roger Sayle <roger@eyesopen.com>
5581 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5582 (integer_onep): Likewise.
5583 (integer_all_onesp): Likewise.
5584 (integer_pow2p): Likewise.
5585 (integer_nonzerop): Likewise.
5586 (real_zerop): Likewise.
5587 (real_onep): Likewise.
5588 (real_twop): Likewise.
5589 (real_minus_onep): Likewise.
5590 (int_size_in_bytes): Likewise.
5591 (host_integerp): Likewise.
5593 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5595 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5596 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5597 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5599 * tree-ssa-structalias.h (alias_info): Remove num_references.
5601 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5603 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5604 (output_bvb patterns): Likewise.
5605 * pa.c (output_bb): Use 'bb' insn for long branch case.
5606 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5607 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5608 1. Correct length operand for alternatives 1 and 2.
5609 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5610 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5612 2006-04-14 Roger Sayle <roger@eyesopen.com>
5614 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5615 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5616 were accidentally reverted by r112959.
5618 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5621 * except.h (eh_region_outermost): New prototype.
5622 * except.c (eh_region_outermost): New function.
5623 * tree-cfg.c (find_outermost_region_in_block): Use it.
5625 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5627 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5629 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5630 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5631 (init_reload, reload): Use VEC instead of VARRAY.
5632 * reload.h: Update the prototype for
5633 reg_equiv_memory_loc_varray.
5635 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5636 Eric Botcazou <ebotcazou@libertysurf.fr>
5638 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5641 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5644 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5645 to expand fallback builtin function call.
5647 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5650 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5651 and emit libcall here in case the builtin fails.
5652 (expand_builtin_strcmp): Always emit the libcall here on failure.
5654 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5656 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5657 * flow.c (reg_n_info): Change the type to
5658 VEC(reg_info_p,heap) *.
5659 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5661 * regs.h (reg_info_p): New.
5662 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5663 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5664 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5667 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5669 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5671 * params.h (MAX_SCHED_READY_INSNS): New macro.
5672 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5673 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5674 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5675 the ready list for 1 cycle during the first scheduling pass.
5676 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5678 2006-04-13 Richard Henderson <rth@redhat.com>
5681 * gimple-low.c (lower_omp_directive): Remove dead code.
5682 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5683 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5684 * omp-low.c (struct omp_region): Move to tree-flow.h.
5685 (root_omp_region): Export.
5686 (omp_regions, lookup_omp_region): Remove.
5687 (determine_parallel_type): Update for struct omp_region changes.
5688 (dump_omp_region): Dump regions with block numbers.
5689 (new_omp_region): Take type and block instead of stmt; malloc
5691 (free_omp_region_1, free_omp_regions): New.
5692 (expand_parallel_call): Take entry_stmt as argument; update for
5693 changes to omp_region.
5694 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5695 (remove_exit_barriers): New.
5696 (expand_omp_parallel): Update for struct omp_region changes.
5697 (expand_omp_synch): Likewise.
5698 (expand_omp): Likewise.
5699 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5700 (expand_omp_for_static_chunk): Likewise.
5701 (expand_omp_for): Likewise.
5702 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5703 (expand_omp_sections): Similarly, with GOMP_sections_end.
5704 (expand_omp_single): New.
5705 (build_omp_regions_1): Update for OMP_CONTINUE.
5706 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5707 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5708 OMP_SECTIONS_SECTIONS.
5709 (lower_omp_single_simple): Don't emit barrier here.
5710 (lower_omp_single_copy): Likewise.
5711 (lower_omp_single): Fix bindings, and lower to straightline now.
5712 (lower_omp_master, lower_omp_ordered): Likewise.
5713 (lower_omp_critical): Likewise.
5714 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5715 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5716 omp edges, free it afterward.
5717 (make_omp_sections_edges): Remove.
5718 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5719 (move_stmt_r): Handle OMP_CONTINUE.
5720 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5721 statement pointers to basic blocks. Add type member.
5722 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5723 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5724 * tree-inline.c (estimate_num_insns_1): Likewise.
5725 * tree-pretty-print.c (dump_generic_node): Likewise.
5726 * tree-ssa-operands.c (get_expr_operands): Likewise.
5727 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5728 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5729 (OMP_CONTINUE): New.
5730 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5731 (OMP_SECTIONS_SECTIONS): Remove.
5732 (OMP_SECTION_LAST): New.
5733 (OMP_RETURN_NOWAIT): New.
5735 2006-04-13 Roger Sayle <roger@eyesopen.com>
5737 * fold-const.c (native_encode_vector, native_interpret_real):
5738 Correct obvious mistakes in the previous check-in.
5740 2006-04-13 Roger Sayle <roger@eyesopen.com>
5742 * fold-const.c (native_encode_expr): New function to encode
5743 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5744 or VECTOR_CST into a specified buffer.
5745 (native_encode_int): New function.
5746 (native_encode_real): New function.
5747 (native_encode_complex): New function.
5748 (native_encode_vector): New function.
5749 (native_interpret_expr): Inverse of native_encode_expr to convert
5750 a target representation into an INTEGER_CST, REAL_CST etc...
5751 (native_interpret_int): New function.
5752 (native_interpret_real): New function.
5753 (native_interpret_complex): New function.
5754 (native_interpret_vector): New function.
5755 (fold_view_convert_expr): New function to constant fold/evaluate
5756 a VIEW_CONVERT_EXPR of a suitable constant expression.
5757 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5758 Change call of build1 to fold_build1 when constructing a
5761 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5762 Ulrich Weigand <uweigand@de.ibm.com>
5765 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5768 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5771 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5772 optimize to lo_sum for DFmode if !TARGET_FPRS.
5774 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5776 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5777 delete_alias_info, compute_flow_sensitive_aliasing,
5778 group_aliases): Use VEC instead of VARRAY.
5779 * tree-ssa-structalias.c (update_alias_info): Likewise.
5780 * tree-ssa-structalias.h (alias_info): Change the type of
5781 processed_ptrs to VEC(tree,heap) *.
5783 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5786 * config/sh/lib1funcs.h: New file, broken out of:
5787 * config/sh/lib1funcs.asm.
5788 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5790 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5791 * config/sh/lib1funcs-Os-4-200.asm: New file.
5792 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5793 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5794 (EXTRA_MULTILIB_PARTS): Include it.
5795 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5796 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5797 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5798 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5801 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5803 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5804 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5805 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5807 * tree-ssa-live.h: Include vecprim.h.
5808 (tree_partition_associator_d): Change the type of
5809 first_partition to VEC(int,heap) *.
5810 (tpa_first_partition): Use VEC instead of VARRAY.
5812 * Makefile.in (GTFILES): Move functions.h after tree.h.
5813 * function.c (reset_block_changes, record_block_change,
5814 check_block_change, free_block_changes): Use VEC instead of
5816 * function.h (function): Change the type of
5817 ib_boundaries_block to VEC(tree,gc) *.
5818 * tree-inline.c (copy_cfg_body): Initialize
5819 ib_boundaries_block to NULL instead of (varray_type) 0.
5821 2006-04-12 Roger Sayle <roger@eyesopen.com>
5823 * expr.c (emit_group_store): Correct operand order in call to
5824 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5825 a SUBREG_BYTE of zero.
5827 2006-04-12 Richard Guenther <rguenther@suse.de>
5829 * profile.c (compute_branch_probabilities): Remove code
5830 encapsulated in !ir_type (), which are remanents of the
5831 removed RTL profiling code.
5832 * rtl-profile.c: Remove.
5834 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5836 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5837 magic NULL_RTX comment.
5838 (function_arg): Store entire fp arg to mem if any part should go
5840 (rs6000_arg_partial_bytes): Adjust for above change.
5842 2006-04-11 Roger Sayle <roger@eyesopen.com>
5844 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5845 if it hasn't been initialized by dwarf2out_init.
5847 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5849 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5850 symbolic constants in branch patterns.
5852 2006-04-11 Roger Sayle <roger@eyesopen.com>
5854 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5856 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5858 PR rtl-optimization/27073
5859 * gcse.c (try_replace_reg): Revert last change. Continue to search
5860 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5863 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5865 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5866 aggregate types other than record and union types.
5867 (function_arg): Likewise.
5868 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5870 (function_value): In 64-bit mode, return objects that require it
5873 2006-04-11 Roger Sayle <roger@eyesopen.com>
5875 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5877 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5879 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5881 2006-04-03 Jeff Law <law@redhat.com>
5884 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5885 alias information too.
5887 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5889 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5891 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5894 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5895 (premark_used_types_helper): New.
5896 (premark_used_types): New.
5897 (gen_subprogram_die): Call premark_used_types.
5898 (prune_unused_types_walk): Do not prune perennial dies.
5899 * function.c (used_types_insert): New.
5900 * function.h (struct function): Add used_types_hash field.
5901 (used_types_insert): Add prototype.
5902 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5903 * c-parser.c (c_parser_cast_expression): Save casted types in used
5906 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5909 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5910 rs6000_explicit_options.float_gprs.
5912 2006-04-10 Roger Sayle <roger@eyesopen.com>
5914 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5915 from ix86_expand_vector_init_low_nonzero. Take an additional
5916 one_var argument indicating which element is non-zero. Support
5917 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5918 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5919 with one_var instead of ix86_expand_vector_init_low_nonzero.
5921 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5923 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5924 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5925 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5926 build/genextract.o): Depend on vecprim.h.
5927 * cfglayout.c, df-problems.c, function.c, genextract.c,
5928 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5929 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5933 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5935 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5936 Declare VECs of this type.
5937 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5938 (remove_children): Delete.
5939 (add_dwarf_attr): Use VEC routines.
5940 (add_AT_flag): Update for changes to add_dwarf_attr.
5941 (add_AT_int): Likewise.
5942 (add_AT_unsigned): Likewise.
5943 (add_AT_long_long): Likewise.
5944 (add_AT_vec): Likewise.
5945 (add_AT_string): Likewise.
5946 (add_AT_die_ref): Likewise.
5947 (add_AT_fde_ref): Likewise.
5948 (add_AT_loc): Likewise.
5949 (add_AT_loc_list): Likewise.
5950 (add_AT_addr): Likewise.
5951 (add_AT_lbl_id): Likewise.
5952 (add_AT_lineptr): Likewise.
5953 (add_AT_macptr): Likewise.
5954 (add_AT_offset): Likewise.
5955 (add_AT_range_list): Likewise.
5956 (get_AT): Use VEC_iterate.
5957 (remove_AT): Use VEC_ordered_remove.
5958 (free_die): Fold remove_children into here; have it use VEC_iterate.
5959 (print_die): Use VEC_iterate on attrs.
5960 (reverse_die_lists): Don't reverse attr lists.
5961 (die_checksum): Use VEC_iterate on attrs.
5962 (same_die_p): Likewise.
5963 (output_location_lists): Likewise.
5964 (build_abbrev_table): Likewise.
5965 (size_of_die): Likewise.
5966 (unmark_all_dies): Likewise.
5967 (output_abbrev_section): Likewise.
5968 (output_die): Likewise.
5969 (prune_unused_types_walk_attribs): Likewise.
5971 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5973 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5975 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5978 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5980 2006-04-09 Roger Sayle <roger@eyesopen.com>
5982 * expr.c (store_constructor): Don't bother clearing target if
5983 we're about to assign a vector to it using vec_init_optab.
5985 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5987 * tree-ssa-alias.c (lhs_may_store_to): New function.
5988 (recalculate_used_alone): Handle LHS of calls.
5990 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5994 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5995 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5996 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5997 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5998 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5999 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6000 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6001 stubs. Add ".align 8" directives before all ".dword" directives.
6002 (GTHREAD_USE_WEAK): Revise comment.
6003 (TARGET_ATTRIBUTE_WEAK): Define.
6004 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6005 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6006 * stublib.c: New file.
6011 * pa.md (cbranch patterns): Revise arguments used in calls to
6012 output_cbranch, output_bb and output_bvd. Add long branch length
6014 (fbranch patterns): Handle long branches.
6015 (jump): Revise length check. Revise arguments for output_lbranch call.
6016 Add long branch length attributes.
6017 (decrement_and_branch_until_zero): Add long branch length attributes.
6018 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6019 Likewise. Revise arguments for output_parallel_addb and
6020 output_parallel_movb calls.
6021 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6022 output_parallel_movb and output_parallel_addb): Update prototypes.
6023 * pa.c (output_cbranch): Revise arguments. Correct handling of
6024 nullification in long branches.
6025 (output_lbranch): Add new argument to control extraction of delay
6027 (output_bb): Handle long branches.
6028 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6029 output_parallel_addb): Likewise.
6031 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6033 PR rtl-optimization/27073
6034 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6037 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6039 * tree.h (tree_memory_tag): Add old_used_alone.
6040 (SMT_OLD_USED_ALONE): New macro.
6041 * tree-ssa-alias.c (recalculate_used_alone): Stop
6042 marking things for renaming unnecessarily.
6044 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6046 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6047 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6048 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6049 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6050 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6051 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6052 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6053 spelling convensions.
6054 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6055 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6056 typos. Follow spelling conventions.
6058 2006-04-07 DJ Delorie <dj@redhat.com>
6060 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6061 passed on the stack.
6062 (m32c_init_cumulative_args): When a function returns a structure,
6063 always pass the pointer to that return area on the stack.
6064 (m32c_function_arg_advance): Don't increment the parameter number
6065 if we're processing the returned structure pointer.
6066 (pushm_info): Reverse order of registers.
6068 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6070 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6071 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6072 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6073 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6075 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6076 chrec_fold_multiply): Same.
6077 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6078 force_expr_to_var_cost): Same.
6079 * tree-mudflap.c (mf_xform_derefs_1): Same.
6080 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6082 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6084 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6085 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6088 2006-04-07 Jan Hubicka <jh@suse.cz>
6090 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6092 2006-04-07 Richard Guenther <rguenther@suse.de>
6094 PR tree-optimization/26135
6095 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6096 loads for store copy-prop.
6097 (copy_prop_visit_stmt): Likewise.
6099 2006-04-05 Robert Millan <robertmh@gnu.org>
6101 * config/i386/linux.h: Add a comment to mark macros that are
6102 being overriden in config/k*bsd-gnu.h.
6103 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6105 * config/knetbsd-gnu.h: Ditto.
6107 2006-04-06 Jan Hubicka <jh@suse.cz>
6111 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6114 2006-04-06 Mike Stump <mrs@apple.com>
6116 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6117 for HAVE_nonlocal_goto to be consistent.
6118 (expand_builtin_nonlocal_goto): Likewise.
6119 (expand_builtin_strcmp): Use #ifdef instead of #if
6120 for HAVE_cmpstrnsi to be consistent.
6122 2006-04-05 DJ Delorie <dj@redhat.com>
6124 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6127 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6129 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6130 got-relative addressing for anything but SImode.
6132 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6133 even if the calling function doesn't modify them.
6135 2006-04-05 Richard Guenther <rguenther@suse.de>
6137 PR tree-optimization/26919
6138 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6139 to cgraph_estimate_size_after_inlining.
6141 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6143 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6145 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6147 PR tree-optimization/26996
6148 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6149 VECTOR_TYPE variables.
6151 2006-04-05 Richard Guenther <rguenther@suse.de>
6153 PR tree-optimization/26763
6154 * fold-const.c (fold_comparison): Move folding of
6155 PTR + CST CMP PTR + CST ...
6156 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6158 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6160 * doc/install.texi (Prerequisites): Refine some wording on
6161 bootstrapping and ksh.
6162 Move the version numbers of DejaGnu here from the testing section
6163 and fix casing of names.
6164 Fix markup and clarify wording for autogen requirements.
6165 Refer to GCJ instead of just java.
6166 Refer to SVN instead of CVS.
6167 Describe diffutils as useful instead of necessary.
6168 (Downloading the source): Refer to SVN instead of CVS.
6169 Adjust a link to our web site accordingly.
6170 (Configuration): Fix casing of Bison.
6171 (Building): Refer to SVN instead of CVS.
6172 Fix a sentence on the use of Bison and remove duplicate (and
6173 incorrect) version number of Bison requirement.
6174 Remove one redundant list of packages needed for building.
6175 (Specific): Avoid reference to CVS.
6177 2006-04-04 Eric Christopher <echristo@apple.com>
6179 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6180 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6181 (rs6000_handle_struct_attribute): New.
6182 (rs6000_ms_bitfield_layout_p): Ditto.
6184 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6186 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6187 NULL for dso parameter to atexit_common.
6189 2006-04-04 Eric Christopher <echristo@apple.com>
6191 * config/i386/i386.c (machopic_output_stub): Output \t
6192 between instructions and operands.
6194 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6196 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6197 satisfies_constraint_[IL] to explicit tests on value.
6199 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6201 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6202 set_nb_iterations_in_loop): Use build_int_cst instead of
6204 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6205 build_int_cst instead of convert.
6207 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6209 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6210 new value 2 for incoming.
6211 * function.c (expand_function_start): Call struct_value_rtx
6213 * config/sparc/sparc.md: Comment updated_return.
6214 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6215 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6216 struct return if sparc_std_struct_return and incoming is 2.
6217 (print_operand): Do not adjust return if
6218 sparc_std_struct_return.
6220 2006-04-04 Roger Sayle <roger@eyesopen.com>
6222 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6223 convert in the middle-end.
6224 * expr.c (store_expr, store_constructor, get_inner_reference,
6225 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6227 * tree.c (build_range_type): Likewise.
6229 2006-04-04 Tom Tromey <tromey@redhat.com>
6231 * doc/install.texi (Prerequisites): Mention jar.
6233 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6235 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6238 2006-04-04 Matthias Klose <doko@debian.org>
6240 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6241 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6244 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6246 * doc/extend.texi (Function Attributes): Rewrite visibility
6247 attribute documentation.
6248 * doc/invoke.texi (C++ Dialect Options): Rewrite
6249 -fvisibility-inlines-hidden documentation to describe something
6250 entirely different, although in practise compatible.
6251 (Code Gen Options): Warn about system headers in -fvisibility=
6254 * doc/extend.texi (Other Builtins): Document that
6255 __builtin_nan is a compile-time constant only when its argument
6258 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6260 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6261 trying to remove TRUNCATE check if all bits outside the new mode
6262 are identical to the sign bit.
6264 2006-04-03 Jeff Law <law@redhat.com>
6266 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6267 and operand scanning in some common cases.
6269 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6270 Dale Johannesen <dalej@apple.com>
6273 * regclass.c (struct reg_pref): Update documentation.
6274 (regclass): Set prefclass to NO_REGS if memory is the best option.
6275 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6276 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6277 into account. For non-registers, equate an empty preferred
6278 reload class to a `!' in the constraint; move the if clause to
6279 do so after those that reject the insn.
6280 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6282 (find_dummy_reload): Likewise.
6283 * doc/tm.texi (Register Classes): Document what it means
6284 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6285 * config/i386/i386.c (ix86_preferred_reload_class): Force
6286 using SSE registers (and return NO_REGS for floating-point
6287 constants) if math is done with SSE.
6288 (ix86_preferred_output_reload_class): New.
6289 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6290 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6291 * config/i386/i386.md: Remove # register preferences.
6293 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6296 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6297 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6298 the type of nb_iter.
6299 (instantiate_parameters_1): Convert the operands before calling
6300 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6301 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6303 2006-04-02 Roger Sayle <roger@eyesopen.com>
6305 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6306 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6308 * dojump.c (do_jump): Likewise.
6309 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6310 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6311 gimplify_boolean_expr): Likewise.
6312 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6313 * varasm.c (array_size_for_constructor): Likewise.
6314 * tree-object-size.c (compute_object_offset): Likewise.
6316 2006-04-02 Roger Sayle <roger@eyesopen.com>
6319 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6320 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6322 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6324 PR tree-optimization/26939
6325 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6327 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6329 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6330 at_stmt. Convert the type of operands before calling
6331 build_polynomial_chrec.
6332 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6334 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6335 (instantiate_parameters_1): Convert the type of operands before calling
6336 build_polynomial_chrec.
6337 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6338 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6339 reset_evolution_in_loop): Insert asserts to check the types of the
6341 (chrec_type): Moved...
6342 (eq_evolutions_p): Use operand_equal_p.
6343 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6344 the types of the operands.
6345 (chrec_type): ...here.
6346 * tree-data-ref.c (create_data_ref): Convert the operands before
6347 calling chrec_replace_initial_condition.
6348 (same_access_functions, analyze_subscript_affine_affine,
6349 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6350 (compute_subscript_distance, analyze_ziv_subscript,
6351 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6352 analyze_miv_subscript): Convert the operands before calling
6353 chrec_fold_minus or chrec_fold_plus.
6355 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6357 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6358 the dependence_relations vector.
6359 (compute_data_dependences_for_loop): Adjust call to
6360 compute_all_dependences.
6362 2006-04-01 Roger Sayle <roger@eyesopen.com>
6363 Richard Henderson <rth@redhat.com>
6365 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6366 gimple_boolify on the condition before calling gimplify_expr.
6368 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6370 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6371 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6372 the frame size. Update to use the new macros.
6373 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6374 * config/xtensa/ieee754-df.S: Likewise.
6376 2006-03-31 Richard Henderson <rth@redhat.com>
6378 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6379 (make_edges): ... here. Control fallthru creation with a local
6380 variable. Do not play with fake edges.
6381 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6382 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6385 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6387 * dwarf2.h (DW64_CIE_ID): Define.
6388 * dwarf2out.c (DWARF_CIE_ID): Define.
6389 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6390 length header. Use DWARF_CIE_ID.
6391 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6392 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6394 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6396 * config/sh/linux-atomic.asm: New file.
6397 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6399 2006-03-31 DJ Delorie <dj@redhat.com>
6401 * config/m32c/cond.md: Set condition flags properly throughout.
6402 * config/m32c/minmax.md: Likewise.
6403 * config/m32c/prologue.md: Likewise.
6404 * config/m32c/bitops.md: Likewise.
6405 * config/m32c/muldiv.md: Likewise.
6406 * config/m32c/mov.md: Likewise.
6407 * config/m32c/addsub.md: Likewise.
6408 * config/m32c/m32c.md: Likewise.
6409 * config/m32c/jump.md: Likewise.
6410 * config/m32c/shift.md: Likewise.
6412 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6413 conditionally output the pattern for this.
6414 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6415 (m32c_compare_redundant): New.
6416 (m32c_output_compare): New.
6417 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6419 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6420 dest, not src. Allow other 4-byte modes.
6422 2006-03-30 Denis Chertykov <denisc@overta.ru>
6424 * doc/md.texi: Refer to avr/constraints.md instead of
6427 2006-03-30 Roger Sayle <roger@eyesopen.com>
6429 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6430 signed vs. unsigned comparison failures on some hosts.
6432 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6435 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6436 change to FLOAT_REGS.
6438 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6439 (rs6000_override_options): Use it.
6440 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6441 only for -mabi=spe/no-spe and -mabi=altivec.
6443 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6445 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6448 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6450 * Makefile.in: Rename docdir to gcc_docdir.
6452 2006-03-30 Roger Sayle <roger@eyesopen.com>
6455 * expr.c (emit_group_store): Optimize group stores into a pseudo
6456 register by using a paradoxical subreg to initialize the destination
6457 if the first or last member of the group specifies a "low part".
6459 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6462 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6463 * target.h (struct gcc_target.speculate_insn): Change type of the
6464 second parameter to 'int'.
6465 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6466 the second operand of the DEPS_LIST.
6467 (copy_DEPS_LIST_list): Update reference to the second operand of the
6469 * rtl.h (alloc_DEPS_LIST): Update signature.
6470 * sched-int.h (ds_t): Change typedef to 'int'.
6471 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6473 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6475 * haifa-sched.c (try_ready): Change condition to restore
6476 non-speculative pattern of the instruction.
6477 (process_insn_depend_be_in_spec): Code to keep probability of the
6478 speculative dependence non-decreasing.
6480 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6482 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6483 (single_move_for_movmem): ... this. Also change all uses.
6484 (bfin_expand_strmov): Renamed to...
6485 (bfin_expand_movmem): ... this. Also change all uses.
6486 * config/bfin/bfin.md (movstrsi): Renamed to...
6487 (movstrsi): ...this.
6489 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6491 PR tree-optimization/26830
6493 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6494 (copy_prop_visit_stmt): Remove write-only variable ann.
6495 (init_copy_prop): Check variable loop depth here. Do not simulate
6496 memory-tag and virtual operand PHIs except for store copy prop.
6498 2006-03-30 Richard Guenther <rguenther@suse.de>
6500 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6501 variants with double arguments.
6503 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6505 * genpreds.c (write_tm_constrs_h): Delete variable p.
6506 * genconditions.c (write_header): Add tm-constrs.h to included
6508 * genpeep.c (main): Add toplev.h to included headers.
6509 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6510 (build/genpeep.o): Add toplev.h dependency.
6511 * config/rs6000/constraints.md: Add "W" constraint.
6513 2006-03-29 Roger Sayle <roger@eyesopen.com>
6515 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6516 sizes by correctly testing whether the size fits a host integer.
6517 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6518 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6519 SImode range for the default sizetype and bitsizetype.
6521 2006-03-29 Roger Sayle <roger@eyesopen.com>
6523 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6524 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6525 quickly if the argument is already of the correct type.
6526 Call fold_build1 instead of build1. Tidy up blank lines.
6528 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6530 * genemit.c (main): Add tm-constrs.h to included headers.
6531 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6532 * genpeep.c (main): Add tm-constrs.h to included headers.
6533 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6534 (write_tm_constrs_h): this and write complete file.
6535 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6536 (write_insn_preds_c): Add tm-constrs.h to included headers.
6537 (gen_constrs): New variable.
6538 (parse_option): Parse "-c".
6539 (main): Invoke write_tm_constrs_h.
6540 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6541 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6542 (object_out_file): Add tm-constrs.h dependency.
6543 (insn-emit.o): Same.
6544 (insn-output.o): Same.
6545 (insn-peep.o): Same.
6546 (insn-preds.o): Same.
6547 (insn-recog.o): Same.
6548 (tm-constsr.h): New target.
6549 (s-constrs-h): New target.
6551 * config/rs6000/constraints.md: New file.
6552 * config/rs6000/rs6000.c: Include tm-constrs.h.
6553 (num_insn_constant_wide): Convert to satisfies_constraint.
6554 (rs6000_rtx_costs): Convert to satisfies_constraint.
6555 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6556 (CONST_OK_FOR_LETTER_P): Delete.
6557 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6558 (EXTRA_CONSTRAINT): Delete.
6559 (EXTRA_MEMORY_CONSTRAINT): Delete.
6560 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6561 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6562 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6563 satisfies_constraint.
6565 * config/i386/i386.c: Include tm-constrs.h.
6567 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6569 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6570 * tree-data-ref.c (find_data_references_in_loop,
6571 compute_data_dependences_for_loop): Use pointers to VEC.
6572 (analyze_all_data_dependences): Adjust calls.
6573 * tree-data-ref.h (find_data_references_in_loop,
6574 compute_data_dependences_for_loop): Adjust declarations.
6575 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6576 compute_data_dependences_for_loop.
6578 2006-03-29 Paul Brook <paul@codesourcery.com>
6580 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6583 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6585 PR tree-optimization/26859
6586 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6588 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6589 for the step after fold_convert.
6591 2006-03-29 Paul Brook <paul@codesourcery.com>
6593 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6594 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6596 2006-03-29 Paul Brook <paul@codesourcery.com>
6599 * targhooks.c (default_narrow_bitfield): New fuction.
6600 * targhooks.h (default_narrow_bitfield): add prototype.
6601 * target.h (gcc_target): Add narrow_volatile_bitfield.
6602 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6603 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6604 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6605 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6607 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6609 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6611 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6612 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6613 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6614 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6615 (s390_function_arg_float): Allow SDmode and DDmode values to be
6616 passed in floating point registers.
6617 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6618 check with SCALAR_FLOAT_MODE_P.
6619 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6621 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6623 PR tree-optimization/25985
6624 * tree-ssa-loop-niter.c (number_of_iterations_le,
6625 number_of_iterations_ne): Make comments more precise.
6626 (number_of_iterations_cond): Add only_exit argument. Use the
6627 fact that signed variables do not overflow only when only_exit
6629 (loop_only_exit_p): New.
6630 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6631 number_of_iterations_cond.
6633 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6635 PR tree-optimization/26643
6636 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6639 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6641 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6642 (divsi3_i4_int): Likewise.
6644 2006-03-28 Roger Sayle <roger@eyesopen.com>
6646 * expr.c (emit_group_store): Only create a new pseudo reg if the
6647 quantity it needs to hold isn't already a suitable pseudo.
6649 2006-03-28 Jeff Law <law@redhat.com>
6651 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6652 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6654 2006-03-28 Roger Sayle <roger@eyesopen.com>
6656 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6657 the equivalent ~X & Y, and the symmetry related transformations.
6658 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6659 ~X & Y, and symmetry related transforms.
6661 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6663 Revert my 2006-03-27 patches.
6665 2006-03-28 Roger Sayle <roger@eyesopen.com>
6667 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6668 ~(T1)X, when T1 and T2 are integer types of the same precision
6669 and (T2)X isn't an extension.
6671 2006-03-28 Jeff Law <law@redhat.com>
6673 PR tree-optimization/26796
6674 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6675 need EH edge cleanups rather than purging them immediately.
6676 (eliminate_degenerate_phis): Handle queued EH cleanups.
6678 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6680 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6683 2006-03-27 Roger Sayle <roger@eyesopen.com>
6686 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6687 cast BIT_NOT_EXPR operand to the correct type.
6689 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6691 * tree-loop-linear.c: Don't include varray.h.
6692 (gather_interchange_stats, try_interchange_loops,
6693 linear_transform_loops): Use VEC instead of VARRAY.
6694 * lambda-mat.c: Don't include varray.h.
6695 * tree-chrec.c: Same.
6696 * lambda-trans.c: Same.
6697 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6698 VEC instead of VARRAY.
6699 * tree-vectorizer.h: Idem.
6700 * tree-data-ref.c (dump_data_references,
6701 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6702 initialize_data_dependence_relation, finalize_ddr_dependent,
6703 compute_all_dependences, find_data_references_in_loop,
6704 compute_data_dependences_for_loop, analyze_all_data_dependences,
6705 free_dependence_relation, free_dependence_relations,
6706 free_data_refs): Idem.
6707 * tree-data-ref.h (data_reference_p, subscript_p): New.
6708 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6709 VEC instead of VARRAY.
6710 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6711 (find_data_references_in_loop, compute_data_dependences_for_loop,
6712 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6713 dump_data_dependence_relations, free_dependence_relations,
6714 free_data_refs): Adjust declaration.
6715 (lambda_transform_legal_p): Move declaration here...
6716 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6717 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6718 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6719 vect_analyze_data_refs): Use VEC instead of VARRAY.
6720 * lambda.h (lambda_transform_legal_p): ...from here.
6721 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6722 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6723 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6724 tree-chrec.o): Don't depend on VARRAY_H.
6726 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6728 * rtl.def (Copyright): Update date.
6729 (DEPS_LIST): Change type of the second operand to 'int'.
6730 * target.h (Copyright): Update date.
6731 (struct gcc_target.speculate_insn): Change type of the second parameter
6733 * lists.c (Copyright): Update date.
6734 (alloc_DEPS_LIST): Change signature. Update reference to the second
6735 operand of the DEPS_LIST.
6736 (copy_DEPS_LIST_list): Update reference to the second operand of the
6738 * rtl.h (Copyright): Update date.
6739 (alloc_DEPS_LIST): Update signature.
6740 * sched-int.h (Copyright): Update date.
6741 (ds_t): Change typedef to 'int'.
6742 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6744 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6746 * haifa-sched.c (Copyright): Update date.
6747 (try_ready): Change condition to restore non-speculative pattern
6749 (process_insn_depend_be_in_spec): Code to keep probability of the
6750 speculative dependence non-decreasing.
6752 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6754 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6755 shut up the compiler.
6757 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6759 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6760 to use lib prefix for target.
6761 ($(T)libic_invalidate_array_4-200.a): Likewise.
6762 ($(T)libic_invalidate_array_4a.a): Likewise.
6764 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6765 J"orn Rennecke <joern.rennecke@st.com>
6767 * superh.opt: New file.
6768 * sh.c (boardtype, osruntime): Remove.
6769 * superh.h (SUBTARGET_OPTIONS): Remove.
6770 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6772 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6773 arguments with ^ and/or [].
6775 * config.gcc (sh-*-*): Add quoting to account for quirk of
6777 Replace == with = in enable_incomplete_targets test.
6779 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6780 with MASK_LITTLE_ENDIAN.
6782 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6783 * config/sh/sh.opt: Added to some comments.
6784 * config/sh/superh.h: Removed some chaff.
6786 * config/sh/sh.opt: Add m4-[1234]00* options.
6787 * config/sh/sh.c (sh_handle_option): Likewise.
6788 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6789 (ic_invalidate_array_4-100.o): New rule.
6790 ($(T)libic_invalidate_array_4-100.a): Likewise.
6791 (ic_invalidate_array_4-200.o): Likewise.
6792 ($(T)libic_invalidate_array_4-200.a): Likewise.
6793 (ic_invalidate_array_4a.o): Likewise.
6794 ($(T)libic_invalidate_array_4a.a): Likewise.
6795 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6796 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6798 * config/sh/crt1.asm: Merged in profiling code.
6799 * config/sh/superh.h (STARTFILE_SPEC): Override.
6800 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6801 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6802 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6804 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6805 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6806 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6808 * sh.opt (mpretend-cmove): New option.
6809 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6810 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6811 (movsicc): Add TARGET_PRETEND_CMOVE code.
6813 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6815 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6816 s390_class_max_nregs): New function prototypes.
6817 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6818 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6819 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6820 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6822 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6824 * dwarf2out.c (add_location_or_const_value_attribute): Call
6825 tree_add_const_value_attribute if nothing else works.
6826 (reference_to_unused): New.
6827 (rtl_for_decl_init): Use reference_to_unused to decide whether
6828 to output an initializer.
6830 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6833 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6834 peephole removing spe frob_di_df_2.
6836 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6838 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6839 (subscript_dependence_tester_1): Declared.
6840 (print_dir_vectors, print_dist_vectors): New.
6841 (debug_data_dependence_relation): New.
6842 (dump_data_dependence_relation): Print more details.
6843 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6844 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6845 (save_dist_v, save_dir_v, add_outer_distances,
6846 build_classic_dist_vector_1): New.
6847 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6848 Don't test for lambda_vector_lexico_pos.
6849 (same_access_functions, add_multivariate_self_dist,
6850 add_other_self_distances, dir_from_dist): New.
6851 (build_classic_dir_vector): Replace implementation almost identical to
6852 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6854 (subscript_dependence_tester_1): New.
6855 (subscript_dependence_tester): Handle the lexicographically negative
6856 distance vectors by recomputing the dependence relation.
6857 (compute_affine_dependence): Remove parameter loop_nest_depth.
6858 (compute_self_dependence): Don't call compute_subscript_distance.
6859 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6860 Add a parameter for the loop_nest.
6861 (find_loop_nest_1, find_loop_nest): New.
6862 (compute_data_dependences_for_loop): Compute the loop nest, and give
6863 up if the nest is not well formed.
6864 * tree-data-ref.h (loop_p): New.
6865 (struct data_dependence_relation): Replace size_vect field with
6866 loop_nest, a vec of loops.
6867 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6868 (DDR_LOOP_NEST): New.
6869 (print_dir_vectors, print_dist_vectors,
6870 debug_data_dependence_relation): Declared.
6871 (index_in_loop_nest): New.
6872 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6873 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6876 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6878 * simplify-rtx.c (simplify_relational_operation): Call
6879 simplify_relational_operation_1 even if mode is VOIDmode.
6881 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6883 PR tree-optimization/26804
6884 * tree.h (DECL_CALL_CLOBBERED): New macro.
6885 (tree_decl_common): Add call_clobbered_flag.
6886 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6887 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6888 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6889 (mark_non_addressable): Ditto.
6890 * tree-ssa.c (verify_call_clobbered): New function.
6891 (verify_alias_info): Use it.
6892 * tree-pass.h (pass_reset_cc_flags): New prototype.
6893 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6894 (reset_cc_flags): New function.
6895 * passes.c (init_optimization_passes): Call reset_cc_flags after
6896 initializing referenced_vars.
6898 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6899 Roger Sayle <roger@eyesopen.com>
6902 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6903 to 1.0 for non-real operands. Implement A / A optimization for
6906 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6908 * config/i386/i386.c (size_cost): Correct the comment for
6909 cost of storing fp registers.
6910 (i386_cost): Likewise.
6911 (i486_cost): Likewise.
6912 (pentium_cost): Likewise.
6913 (pentiumpro_cost): Likewise.
6914 (k6_cost): Likewise.
6915 (athlon_cost): Likewise.
6916 (k8_cost): Likewise.
6917 (pentium4_cost): Likewise.
6918 (nocona_cost): Likewise.
6919 (generic64_cost): Likewise.
6920 (generic32_cost): Likewise.
6922 2006-03-24 Denis Chertykov <denisc@overta.ru>
6924 * config/avr/avr-protos.h (extra_constraint): Delete.
6925 (extra_constraint_Q): New declaration.
6926 * config/avr/constraints.md: New file.
6927 * config/avr/avr.md: Include it.
6928 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6929 (TMP_REGNO, ZERO_REGNO): Likewise.
6930 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6931 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6932 (extra_constraint): Delete.
6933 (extra_constraint_Q): Test for memory constraint 'Q'.
6934 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6935 (REG_CLASS_FROM_LETTER): Delete.
6936 (CONST_OK_FOR_LETTER_P): Delete.
6937 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6938 (EXTRA_CONSTRAINT): Delete.
6939 (TMP_REGNO): Delete.
6940 (ZERO_REGNO): Delete.
6942 2006-03-24 Jeff Law <law@redhat.com>
6944 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6945 directly. Call mark_new_vars_to_rename slightly earlier.
6947 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6949 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6951 (gen_compile_unit_die): Use new language types for Objective-C and
6953 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6954 DW_LANG_C_plus_plus.
6957 * config/t-darwin (crt3.o): Work around bug 26840.
6958 * config/darwin-crt3.c: Rewrite.
6959 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6961 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6963 * doc/invoke.texi: Document -femit-class-debug-always
6964 * common.opt: Add -femit-class-debug-always.
6966 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6968 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6969 index and base register.
6970 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6971 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6972 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6973 REGNO_OK_FOR_INDEX_P.
6974 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6976 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6977 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6978 REG_OK_FOR_BASE_P): Definitions removed.
6980 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6983 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6984 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6985 set yet or weren't marked as local yet.
6987 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6989 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6992 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6994 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6995 (rs6000_legitimate_small_data_p): Delete.
6996 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6997 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6998 and make static. Add forward declaration. Update uses.
6999 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7000 of offsettable_memref_p.
7001 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7002 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7004 2006-03-24 Jeff Law <law@redhat.com>
7006 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7007 around bug in immediate-use iterator.
7009 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7012 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7013 or __LITTLE_ENDIAN__.
7015 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7017 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7018 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7019 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7020 * config/sh/sh.opt (mdiv=): Amend description.
7021 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7022 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7023 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7024 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7025 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7026 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7027 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7028 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7029 TARGET_DIVIDE_CALL_FP.
7031 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7033 * haifa-sched.c (choose_ready): Fix type of the local variable.
7034 Move local variables. Add comment.
7035 (check_reg_live): Change signature. Make callable from debugger.
7036 * sched-int.h (check_reg_live): Update signature.
7037 * sched-ebb.c (check_reg_live): Update parameters.
7038 * sched-rgn.c (check_reg_live): Ditto.
7039 (region_head_or_leaf_p): Check pointer before dereferencing.
7040 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7041 before reload on optimization levels below 1.
7043 2006-03-23 Richard Henderson <rth@redhat.com>
7045 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7049 * config/alpha/predicates.md (local_symbolic_operand): Reject
7052 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7055 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7056 expressions which have overflowed constants.
7058 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7060 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7062 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7064 * cfgloopmanip.c (create_loop_notes): Removed.
7065 * final.c (final_scan_insn): Do not handle loop notes.
7066 * jump.c (squeeze_notes): Ditto.
7067 * cfglayout.c (skip_insns_after_block,
7068 duplicate_insn_chain): Ditto.
7069 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7071 * cfgloop.h (create_loop_notes): Declaration removed.
7073 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7075 * varasm.c (output_constant_pool): Restore fnname and fndecl
7077 (assemble_start_function): Adjust call accordingly.
7078 (assemble_end_function): Likewise.
7080 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7083 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7086 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7088 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7091 * system.h (ICE_EXIT_CODE): New macro.
7092 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7093 (diagnostic_action_after_output): Likewise.
7094 * gcc.c (fatal_ice): New function.
7095 (execute): Use it instead of fatal.
7096 (fancy_abort): Likewise.
7097 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7099 2006-03-22 Jeff Law <law@redhat.com>
7101 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7102 iv_analyze_result returning false.
7104 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7106 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7108 2006-03-22 Richard Henderson <rth@redhat.com>
7111 * except.c (duplicate_eh_regions_0): New.
7112 (duplicate_eh_region_1): Duplicate the children of the node as
7113 well as the node itself. Link them up properly.
7114 (duplicate_eh_region_2): Merge into ...
7115 (duplicate_eh_regions): ... here. Take copy_region argument, and
7116 copy only a sub-tree if asked. Simplify copying and fixup.
7117 (eh_region_outer_p): New.
7118 * except.h (duplicate_eh_regions): Update decl.
7119 (eh_region_outer_p): Declare.
7120 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7121 (lower_omp_master): Likewise.
7122 (lower_omp_ordered): Likewise.
7123 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7124 (move_stmt_r): Use it to remap labels. Handle recursion vs
7125 remap_decls_p properly.
7126 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7127 (find_outermost_region_in_block): New.
7128 (new_label_mapper): New.
7129 (move_sese_region_to_fn): Copy eh information to the new function
7131 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7133 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7136 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7138 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7139 into shared libraries.
7141 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7143 * doc/md.texi: Refer to i386/constraints.md instead of
7145 * config/i386/constraints.md: New file, extracted from...
7146 * config/i386/predicates.md: ...here.
7147 * config/i386/i386.md: Include constraints.md.
7149 2006-03-21 Jason Merrill <jason@redhat.com>
7151 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7154 * expr.c (init_block_move_fn): Force default visibility.
7155 (init_block_clear_fn): Likewise.
7156 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7157 * targhooks.c (default_external_stack_protect_fail): Likewise.
7159 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7161 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7162 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7163 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7164 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7165 (loadgp): Use mips_current_loadgp_style.
7166 (loadgp_noshared): New pattern.
7167 (sibcall_internal): Use MIPS_CALL.
7168 (sibcall_value_internal): Likewise.
7169 (sibcall_value_multiple_internal): Likewise.
7170 (call_internal): Likewise.
7171 (call_value_internal): Likewise.
7172 (call_value_multiple_internal): Likewise.
7173 (call_split): Use MIPS_CALL and add an 'S' constraint.
7174 (call_value_split): Likewise.
7175 (call_value_multiple_split): Likewise.
7176 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7177 (-mshared): New option.
7178 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7179 (mips_current_loadgp_style): Declare.
7180 * config/mips/mips.c (mips_classify_symbol): Avoid using
7181 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7182 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7183 TARGET_ABSOLUTE_ABICALLS.
7184 (override_options): Adjust comments. Improve the warning that is
7185 issued when -mabicalls and -G are used together.
7186 (mips_file_start): Remove comment.
7187 (mips_current_loadgp_style): New function.
7188 (mips_gnu_local_gp): New variable.
7189 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7191 (mips_output_function_prologue): Use mips_current_laodgp_style.
7192 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7193 the cprestore instruction.
7194 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7195 live for TARGET_ABSOLUTE_ABICALLS.
7196 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7197 (ASM_SPEC): Pass down -mshared and -mno-shared.
7198 (MIPS_CALL): New macro.
7199 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7201 * doc/invoke.texi (-mabicalls): Update documentation.
7202 (-mshared): Document.
7204 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7206 * config/ia64/unwind-hpux.c: New file.
7207 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7209 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7212 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7214 2006-03-21 Jeff Law <law@redhat.com>
7216 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7217 type conversions of a VR_VARYING source to a wider type.
7219 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7221 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7222 tm_file on Solaris 10 and later.
7223 (sparc64-*-solaris2*): Likewise.
7224 (sparc-*-solaris2*): Likewise.
7225 * config/sol26.h: Rename to config/sol2-6.h.
7226 * config/sol2-10.h: New file.
7228 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7231 * tree-ssa-pre.c (create_component_ref_by_pieces):
7234 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7237 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7238 return it immediately.
7240 2006-03-21 Michael Matz <matz@suse.de>
7242 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7244 (remove_arc, add_arc): Update num_out_arcs member.
7245 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7247 (cache_presence): New function.
7248 (compare_states_for_equiv): New function.
7249 (state_is_differed): Don't take number of outargs, adjust callers.
7250 Use new invariant for speeding up.
7251 (init_equiv_class): Create initial classes based on sorted
7253 (partition_equiv_class): Don't track out_arcs_num.
7254 (evaluate_equiv_classes): Call cache_presence on all states and
7257 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7259 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7260 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7261 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7262 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7264 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7265 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7266 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7267 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7268 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7270 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7271 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7272 (REGNO_REG_CLASS): ARGP is in PREGS.
7273 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7275 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7276 to deal with those addresses.
7277 * addresses.h: New file.
7278 * caller-save.c: Include "addresses.h".
7279 (init_caller_save): Use new base_reg_class function.
7280 * rtl-factoring.c: Include "addresses.h".
7281 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7282 * recog.c: Include "addresses.h".
7283 (preprocess_constraints): Use new base_reg_class function.
7284 * regrename.c: Include "addresses.h".
7285 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7286 functions. Keep track of a new var INDEX_CODE to compute valid
7288 (replace_oldest_value_addr): Likewise.
7289 (replace_oldest_value_mem): Use base_reg_class.
7290 * reload.c: Include "addresses.h".
7291 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7292 (find_reloads): Use new base_reg_class function.
7293 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7294 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7295 all callers and prototype changed.
7296 * reload1.c: Include "addresses.h".
7297 (maybe_fix_stack_asms): Use base_reg_class.
7298 * regclass.c: Include "addresses.h".
7299 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7300 (init_reg_autoinc): Use new base_reg_class function.
7301 (record_reg_classes): Likewise.
7302 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7303 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7304 Use new args to compute necessary class.
7306 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7307 regrename.o, rtl-factoring.o): Update dependencies.
7308 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7309 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7310 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7311 REG_OK_FOR_INDEX_P): Delete documentation.
7313 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7315 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7316 from V7 to V9 for Solaris 7 and above.
7318 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7320 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7321 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7322 argument pointers may not alias any other storage.
7323 * common.opt: Define option -fargument-noalias-anything.
7324 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7325 alias semantics is specified by flag_argument_noalias > 2.
7327 2006-03-20 Jeff Law <law@redhat.com>
7329 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7330 (pass_phi_only_cprop): Declare.
7331 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7333 * tree-ssa-dom.c (degenerate_phi_result): New function.
7334 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7335 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7336 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7337 (eliminate_degenerate_phis): Likewise.
7338 (pass_phi_only_cprop): New pass descriptor.
7339 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7340 support code. Callers updated.
7341 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7342 (store_copy_prop): Likewise.
7343 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7345 2006-03-20 Jason Merrill <jason@redhat.com>
7348 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7349 (push_visibility, pop_visibility): Likewise.
7350 * c-pragma.h: Declare them.
7352 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7354 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7356 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7357 parameter and use get_ebb_head_tail.
7358 (sh_md_init_global): Adjust uses of find_regmode_weight.
7360 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7362 * function.h (struct function) <x_tail_recursion_reentry>:
7363 Rename to x_stack_check_probe_note.
7364 (tail_recursion_reentry): Rename to stack_check_probe_note.
7365 * function.c: Replace tail_recursion_reentry with
7366 stack_check_probe_note everywhere.
7367 (expand_function_start): Only emit a note for
7368 stack_check_probe_note with -fstack-protect.
7369 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7371 * emit-rtl.c (remove_unnecessary_notes): Remove.
7372 (pass_remove_unnecessary_notes): Remove.
7373 * rtl.h (remove_unnecessary_notes): Remove prototype.
7374 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7375 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7376 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7378 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7381 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7382 (valid_in_set): Handle ARRAY_REF.
7383 Change "if min_variant or VH" to asserts.
7384 (create_component_ref_by_pieces): Handle ARRAY_REF.
7385 (create_expression_by_pieces): Likewise.
7386 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7388 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7390 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7391 is operand of switch, not str[0].
7393 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7395 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7396 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7398 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7400 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7401 end of insn_extra_address_constraint declaration.
7403 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7405 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7406 (no-sum-in-toc): Same.
7407 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7409 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7410 NO_FP_IN_TOC for -fPIC instead of mask.
7412 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7413 (BOOT_LDFLAGS): Delete.
7415 * config/rs6000/t-aix52: Same.
7417 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7418 (stmsi[345678]_power): New.
7420 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7422 * config/ia64/ia64.opt: Add empty line to end of file.
7424 2006-03-17 Richard Guenther <rguenther@suse.de>
7427 * builtins.c (get_pointer_alignment): For component style references
7428 adjust alignment to the component type alignment. Make sure
7429 to adjust alignment for component access of constants.
7431 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7433 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7436 2006-03-17 Paul Brook <paul@codesourcery.com>
7438 * doc/install.texi: Docuemnt --with-mode.
7439 * config.gcc: Add --with-mode for arm*-*-*.
7440 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7442 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7444 * sh.c (max_labelno_before_reorg): New variable.
7445 (sh_reorg): Initialize it.
7446 (find_barrier): Check max_labelno_before_reorg before using
7447 label_to_alignment. Take length of explicit alignment insns
7448 into account. When seeing a UNSPECV_CONST_END, return it.
7450 * sh.c (fixup_mova): Set mode of affected label to QImode.
7451 (untangle_mova): New function.
7452 (find_barrier): Use it. Check mode of label before decrementing
7454 (sh_reorg): Likewise.
7455 Set mode of all insns back to VOIDmode.
7457 * sh.c (MOVA_LABELREF): New macro.
7458 (mova_p, fixup_mova, sh_reorg): Use it.
7459 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7460 ADDR_DIFF_VEC matches mova.
7462 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7464 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7465 with ATTRIBUTE_UNUSED.
7467 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7469 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7470 pointer, instead of assuming it is possible to derive the
7471 correct args size from a call insn.
7473 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7475 * rtl.h (CONST_INT_P): Define.
7476 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7477 instead of GET_CODE(x) == CONST_INT.
7478 (vax_rtx_costs): Likewise.
7479 (vax_output_int_move): Likewise.
7480 (vax_output_int_add): Likewise.
7481 (legitimate_constant_address_p): Likewise.
7482 (index_term_p): Likewise.
7483 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7484 * config/vax/vax.md (and<mode>3): Likewise.
7485 (ashrsi3): Likewise.
7487 (movstricthi): Likewise.
7488 (movstrictqi): Likewise.
7489 (rotrsi3): Likewise.
7490 (five unnamed insns): Likewise.
7492 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7494 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7495 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7496 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7497 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7498 Pass to ASM_OUTPUT_DWARF_OFFSET.
7499 * dwarf2out.c (debug_frame_section): New.
7500 (output_call_frame_info): Use debug_frame_section. Pass it to
7501 dw2_asm_output_offset.
7502 (output_die): Pass appropriate section to dw2_asm_output_offset.
7503 (output_compilation_unit_header): Likewise.
7504 (output_pubnames): Likewise.
7505 (output_aranges): Likewise.
7506 (enum dw_val_class): Break dw_val_class_lbl_offset into
7507 dw_val_class_lineptr and dw_val_class_macptr.
7508 (add_AT_lbl_offset): Delete.
7509 (add_AT_lineptr): New.
7510 (add_AT_macptr): New.
7511 (AT_lbl): Expect a lineptr or macptr.
7512 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7513 (attr_checksum): Likewise.
7514 (same_dw_val_p): Likewise.
7515 (size_of_die): Likewise.
7516 (value_format): Likewise.
7517 (output_die): Likewise.
7518 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7520 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7521 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7522 * config/darwin-protos.h (darwin_file_start): New.
7523 (darwin_asm_output_dwarf_offset): New.
7524 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7525 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7527 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7528 if not EH section; simplify.
7529 (darwin_file_start): New.
7530 (darwin_asm_output_dwarf_offset): New.
7531 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7533 (DEBUG_INFO_SECTION): Likewise.
7534 (DEBUG_ABBREV_SECTION): Likewise.
7535 (DEBUG_ARANGES_SECTION): Likewise.
7536 (DEBUG_MACINFO_SECTION): Likewise.
7537 (DEBUG_LINE_SECTION): Likewise.
7538 (DEBUG_LOC_SECTION): Likewise.
7539 (DEBUG_PUBNAMES_SECTION): Likewise.
7540 (DEBUG_STR_SECTION): Likewise.
7541 (DEBUG_RANGES_SECTION): Likewise.
7542 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7543 (ASM_OUTPUT_DWARF_OFFSET): New.
7545 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7547 * config.gcc (tm_defines): Always add to previous value rather
7550 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7552 * config/mips/predicates.md (splittable_const_int_operand): New,
7553 split from move_operand.
7554 (splittable_symbolic_operand): New.
7555 (move_operand): Add commentary. Use splittable_const_int_operand.
7556 Inline mips_atomic_symbolic_constant_p.
7557 * config/mips/mips.md: Add combine splitters for handling moves
7558 of splittable_const_int_operands and splittable_symbolic_operands.
7559 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7560 (mips_split_symbol): Declare.
7561 (mips_move_integer): Declare.
7562 * config/mips/mips.c (mips_split_p): Make global.
7563 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7564 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7565 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7566 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7567 (mips_offset_within_object_p): Handle block symbols.
7568 (mips_atomic_symbolic_constant_p): Delete.
7569 (mips_cannot_force_const_mem): Return false for constants that
7570 mips_legitimize_move can handle.
7571 (mips_use_blocks_for_constant_p): New function.
7572 (mips_split_symbol): Make global.
7573 (mips_move_integer): Likewise. Add a temporary register argument.
7574 (mips_legitimize_const_move): Use splittable_const_int_operand and
7575 splittable_symbolic_operand.
7576 (mips_use_anchors_for_symbol_p): New function.
7577 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7578 (mips_split_p): Declare.
7580 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7582 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7583 (mips*-*-linux*): Likewise.
7585 2006-03-16 Roger Sayle <roger@eyesopen.com>
7586 Daniel Speyer <dspeyer@wam.umd.edu>
7589 * tree-dump.c (dump_real): New function.
7590 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7591 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7592 (tree-dump.o): Add $(REAL_H) to the dependencies.
7594 2006-03-16 Roger Sayle <roger@eyesopen.com>
7597 * real.c (real_from_string): If the mantissa is zero, don't bother
7598 parsing the exponent as the result should always be zero.
7600 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7602 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7604 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7606 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7607 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7608 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7609 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7610 ia64_sched_finish_global): New static functions to implement
7611 hooks from gcc_target.sched.
7612 (spec_check_no, max_uid, pending_data_specs): New static variables.
7613 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7614 ia64_spec_check_src_p): New static functions.
7615 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7616 (TARGET_SCHED_ADJUST_COST): Removed.
7617 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7618 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7619 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7620 TARGET_SCHED_GEN_CHECK,
7621 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7622 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7623 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7624 Fixed to handle speculation checks.
7625 (rtx_needs_barrier): Fixed to handle speculative loads and
7627 (ia64_variable_issue): Added code to count speculative loads and their
7629 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7631 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7633 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7635 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7636 (ia64_reorg): Reset stops_p to NULL after it is freed.
7637 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7638 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7639 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7641 (data_speculative, control_speculative, check_load): New attributes.
7642 (mov<mode>_advanced, mov<mode>_speculative,
7643 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7644 zero_extend<mode>di2_speculative,
7645 zero_extend<mode>di2_speculative_advanced): New patterns for
7646 data and control speculative loads.
7647 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7649 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7650 New pattern for data and control speculation checks.
7651 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7652 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7653 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7654 Auxiliary definitions for the patterns.
7655 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7656 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7658 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7660 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7661 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7662 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7663 New resource constraints.
7664 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7666 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7667 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7668 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7669 msched-in-control-spec, msched-ldc, msched-control-ldc,
7670 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7671 msched-prefer-non-control-spec-insns,
7672 msched-count-spec-in-critical-path): New flags to tune speculative
7674 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7675 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7676 msched-in-control-spec, msched-ldc, msched-control-ldc,
7677 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7678 msched-prefer-non-control-spec-insns,
7679 msched-count-spec-in-critical-path): Document new flags.
7681 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7683 * target.h (struct spec_info_def): New opaque declaration.
7684 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7685 speculate_insn, needs_block_p, gen_check,
7686 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7687 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7688 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7689 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7690 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7691 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7693 (TARGET_SCHED): Use new macros.
7694 * rtl.h (copy_DEPS_LIST_list): New prototype.
7695 * sched-int.h (struct sched_info): Change signature of new_ready field,
7696 adjust all initializations. New fields: add_remove_insn,
7697 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7698 region_head_or_leaf_p.
7699 (struct spec_info_def): New structure declaration.
7700 (spec_info_t): New typedef.
7701 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7702 recovery_block, orig_pat.
7703 (glat_start, glat_end): New variables declaraions.
7704 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7706 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7707 DETACH_LIFE_INFO, USE_GLAT.
7708 (enum SPEC_SCHED_FLAGS): New enumeration.
7709 (NOTE_NOTE_BB_P): New macro.
7710 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7711 attach_life_info, debug_spec_status, check_reg_live): New functions.
7712 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7713 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7715 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7716 * ddg.c (get_block_head_tail): Adjust all uses.
7717 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7718 (sms_sched_info): Initialize new fields.
7719 (contributes_to_priority): Removed.
7720 * haifa-sched.c (params.h): New include.
7721 (get_block_head_tail): Adjust all uses.
7722 (ISSUE_POINTS): New macro.
7723 (glat_start, glat_end): New global variables.
7724 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7725 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7726 old_last_basic_block, before_recovery, current_sched_info_var,
7727 rgn_n_insns, luid): New static variables.
7728 (insn_cost1): New function. Move logic from insn_cost to here.
7729 (find_insn_reg_weight1): New function. Move logic from
7730 find_insn_reg_weight to here.
7731 (reemit_notes, move_insn, max_issue): Change signature.
7732 (move_insn1): Removed.
7733 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7734 extend_bb): New static functions to support extension of scheduler's
7736 (generate_recovery_code, process_insn_depend_be_in_spec,
7737 begin_speculative_block, add_to_speculative_block,
7738 init_before_recovery, create_recovery_block, create_check_block_twin,
7739 fix_recovery_deps): New static functions to support
7740 generation of recovery code.
7741 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7742 restore_bb_notes, move_block_after_check, move_succs): New static
7743 functions to support ebb scheduling.
7744 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7745 functions to support handling of register live information.
7746 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7747 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7748 add_jump_dependencies): New static functions.
7749 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7750 consistancy checking.
7751 (debug_spec_status): New function to call from debugger.
7752 (priority): Added code to handle speculation checks.
7753 (rank_for_schedule): Added code to distinguish speculative instructions.
7754 (schedule_insn): Added code to handle speculation checks.
7755 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7756 Fixed to handle ebbs.
7757 (move_insn): Added code to handle ebb scheduling.
7758 (max_issue): Added code to use ISSUE_POINTS of instructions.
7759 (choose_ready): Added code to choose between speculative and
7760 non-speculative instructions.
7761 (schedule_block): Added code to handle ebb scheduling and scheduling of
7762 speculative instructions.
7763 (sched_init): Initialize new variables.
7764 (sched_finish): Free new variables. Print statistics.
7765 (try_ready): Added code to handle speculative instructions.
7766 * lists.c (copy_DEPS_LIST_list): New function.
7767 * sched-deps.c (extend_dependency_caches): New function. Move logic
7768 from create_dependency_caches to here.
7769 (get_dep_weak, ds_merge): Make global.
7770 * genattr.c (main): Code to output prototype for
7771 dfa_clear_single_insn_cache.
7772 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7773 (output_dfa_clean_insn_cache_func): Code to output
7774 dfa_clear_single_insn_cache function.
7775 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7777 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7779 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7780 New static variables.
7781 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7782 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7784 (ebb_sched_info): Initialize new fields.
7785 (get_block_head_tail): Adjust all uses.
7786 (compute_jump_reg_dependencies): Fixed to use glat_start.
7787 (schedule_ebb): Code to remove unreachable last block.
7788 (schedule_ebbs): Added code to update register live information.
7789 * sched-rgn.c (region_sched_info): Initialize new fields.
7790 (get_block_head_tail): Adjust all uses.
7791 (last_was_jump): Removed. Adjust users.
7792 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7793 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7794 Implement new hooks.
7795 (check_dead_notes1): New static function.
7796 (struct region): New fields: dont_calc_deps, has_real_ebb.
7797 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7798 (BB_TO_BLOCK): Fixed to handle EBBs.
7799 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7800 (ebb_head): New static variable.
7801 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7802 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7804 (compute_dom_prob_ps): New assertion.
7805 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7806 global_live_at_start.
7807 (init_ready_list): New assertions.
7808 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7809 (new_ready): Add support for BEGIN_CONTROL speculation.
7810 (schedule_insns): Fixed code that updates register live information
7812 (schedule_region): Fixed to handle EBBs.
7813 (init_regions): Use extend_regions and check_dead_notes1.
7814 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7815 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7816 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7817 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7818 TARGET_SCHED_GEN_CHECK,
7819 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7820 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7821 * doc/invoke.texi (max-sched-insn-conflict-delay,
7822 sched-spec-prob-cutoff): Document.
7824 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7826 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7827 inter_tick, queue_index.
7828 (struct sched_info): Change signature of init_ready_list field.
7829 Adjust all initializations.
7830 (RESOLVED_DEPS): New access macro.
7831 (ready_add): Remove prototype.
7832 (try_ready): Add prototype.
7833 * sched-rgn.c (init_ready_list): Use try_ready.
7834 (schedule_region): Initialize
7835 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7836 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7837 (init_ready_list): Use try_ready.
7838 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7839 * lists.c (remove_list_elem): Remove `static'.
7840 (remove_free_INSN_LIST_elem): New function.
7841 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7842 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7843 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7845 (readyp): New variable.
7846 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7847 change_queue_index, resolve_dep): New static functions.
7848 (try_ready): New function. Adjust callers in sched-rgn.c and
7849 sched-ebb.c to use it instead of ready_add.
7850 (clock_var): Move at the begining of file.
7851 (rank_for_schedule): Fix typo.
7852 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7853 (ready_lastpos): Enforce assertion.
7854 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7856 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7857 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7858 (queue_to_ready): Use free_INSN_LIST_list.
7859 (early_queue_to_ready): Fix typo.
7860 (schedule_block): Init readyp. Move init_ready_list call after the
7861 initialization of clock_var. Fix error in rejecting insn by
7862 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7863 that previously corrected INSN_TICKs. Add code for handling
7865 (set_priorities): Fix typo.
7866 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7867 Clarify comment and code that keeps current_sched_info->next_tail
7870 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7872 * sched-rgn.c (extend_rgns): New static function.
7873 (find_rgns): Use it.
7874 (gather_region_statistics, print_region_statistics): New static
7876 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7877 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7879 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7880 Andrey Belevantsev <abel@ispras.ru>
7882 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7883 * lists.c (unused_deps_list): New variable.
7884 (free_list): Add assertions to verify the proper distinguishing
7885 between INSN_LISTs and DEPS_LISTs.
7886 (find_list_elem, remove_list_elem, remove_list_node): New static
7888 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7889 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7890 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7891 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7893 (free_INSN_LIST_node): Likewise.
7894 * modulo-sched.c (current_sched_info): Initialize flags field.
7895 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7896 * rtl.def (DEPS_LIST): Define.
7897 * rtl.h: Declare new functions from lists.c.
7898 * sched-deps.c (spec_dependency_cache): New static variable.
7899 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7900 (add_dependence): Change return type to void. Move the logic to ...
7901 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7902 (delete_all_dependences): Add comment about forward_dependency_cache.
7903 Handle spec_dependency_cache. Handle DEPS_LISTs.
7904 (fixup_sched_groups): Clarify the change of priority of output
7905 and anti dependencies.
7906 (sched_analyze_2): Adjust add_dependence calls to create data
7907 speculative dependence.
7908 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7909 Adjust all callers. Handle DEPS_LISTS.
7910 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7911 presence of speculation.
7912 (init_dependency_caches, free_dependency_caches):
7913 Handle spec_dependency_cache.
7914 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7915 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7916 New static functions.
7917 (add_or_update_back_dep, add_or_update_back_forw_dep,
7918 add_back_forw_dep, delete_back_forw_dep): New functions.
7919 * sched-int.h (ds_t, dw_t): New typedefs.
7920 (struct sched_info): Add new field flags.
7921 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7922 Prototype new sched-deps.c functions.
7923 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7924 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7925 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7926 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7927 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7928 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7930 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7932 * sched-rgn.c (current_sched_info): Initialize flags field.
7933 (schedule_insns): Initialize current_sched_info before the sched_init
7935 * sched-ebb.c (current_sched_info): Initialize flags field.
7936 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7937 Call add_or_update_back_dep instead of add_dependence.
7938 Create control speculative dependencies.
7939 (schedule_insns): Initialize current_sched_info before the sched_init
7942 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7944 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7946 (sh_fallback_frame_state): Likewise.
7948 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7950 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7951 Do switch on default_use_cxa_atexit.
7952 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7953 * config/darwin-crt3.o: New.
7954 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7955 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7956 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7958 * config/rs6000/t-darwin: Move crt2.o building to here.
7959 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7960 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7963 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7965 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7966 from '! xxx' to '!xxx' for coding-style conformance.
7967 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7968 (EXTRA_CONSTRAINT): Likewise.
7969 * config/vax/vax.md (four unnamed insns): Likewise.
7971 2006-03-15 Paul Brook <paul@codesourcery.com>
7973 * config/arm/arm.c (minipool_pad): New.
7974 (add_minipool_forward_ref): Include pool alignment padding in address
7976 (push_minipool_fix): Set minipool_pad.
7977 (minipool_pad): Ditto.
7979 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7981 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7982 instead of GET_CODE() == MEM and REG_P() instead of
7984 (print_operand_address): Likewise.
7985 (vax_address_cost): Likewise.
7986 (vax_rtx_costs): Likewise.
7987 (vax_notice_update_cc): Likewise.
7988 (vax_output_int_add): Likewise.
7989 (INDEX_REGISTER_P): Likewise.
7990 (BASE_REGISTER_P): Likewise.
7991 (nonindexed_address_p): Likewise.
7992 (vax_mode_dependent_address_p): Likewise.
7993 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7994 (PRINT_OPERAND): Likewise.
7995 * config/vax/vax.md (ashlsi3): Likewise.
7996 (ashlsi3): Likewise.
7997 (some more unnamed insns): Likewise.
7999 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8001 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8002 iterator-style macro.
8003 (mark_control_dependent_edges_necessary): Update the use of
8004 EXECUTE_IF_CONTROL_DEPENDENT.
8006 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8008 * config/sh/predicates.md (cache_address_operand): Special.
8009 (ua_address_operand): Likewise.
8011 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8013 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8015 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8017 2006-03-15 Andreas Schwab <schwab@suse.de>
8019 * gensupport.c (identify_predicable_attribute): Don't free p_false
8020 when it is still in use.
8022 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8024 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8025 the default setting here.
8027 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8029 * tree-pass.h (pass_cfg): Remove.
8030 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8031 * passes.c (pass_cfg): Don't run it.
8033 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8035 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8036 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8038 (stack_regs_mentioned): Update the uses of
8039 stack_regs_mentioned_data. Don't access the array beyond its
8041 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8042 Don't include gt-reg-stack.h.
8044 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8045 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8047 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8050 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8053 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8055 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8057 2006-03-14 Richard Guenther <rguenther@suse.de>
8059 PR tree-optimization/26672
8060 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8063 2006-03-14 Richard Guenther <rguenther@suse.de>
8065 PR tree-optimization/26667
8066 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8067 node for the callees. Always allow inlining if it will shrink
8070 2006-03-14 Richard Guenther <rguenther@suse.de>
8073 * builtins.c (get_pointer_alignment): Prefer alignment
8074 information from decls over that from types.
8076 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8079 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8081 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8083 * config/rs6000/rs6000.opt (mdlmzb): New option.
8084 (msched-prolog, msched-epilog): Use Var not Mask.
8085 * doc/invoke.texi (-mdlmzb): Document.
8086 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8088 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8089 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8091 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8093 PR rtl-optimization/25739
8094 * bt-load.c (augment_live_range): Free tos pointer.
8096 * gensupport.c (identify_predicable_attribute): Free
8098 * gcov.c (create_file_names): Free name pointer.
8100 2006-03-13 Roger Sayle <roger@eyesopen.com>
8103 * stmt.c (emit_case_nodes): Handle the case where the index is a
8104 CONST_INT, where the comparison mode is specified by the index type.
8106 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8108 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8111 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8113 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8114 (*branch_fp_inverted): Likewise.
8116 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8119 * omp-low.c (expand_omp_for_generic): Mark istart0
8120 and iend0 as addressable.
8122 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8124 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8126 2006-03-13 Jeff Law <law@redhat.com>
8128 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8129 virtual operands are interesting.
8130 (vrp_visit_stmt): Corresponding changes.
8132 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8134 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8136 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8137 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8138 * config/bfin/crti.S: Use it instead of __PIC__.
8139 * config/bfin/crtn.S: Likewise.
8141 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8142 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8144 Lose 'G' modifier for call operand.
8145 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8146 recognize 'G' modifier.
8148 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8151 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8152 * stmt.c (expand_case): Likewise.
8154 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8156 PR rtl-optimization/26254
8157 * loop-invariant.c (seq_insns_valid_p): New function.
8158 (move_invariant_reg): Only emit new code if it is valid.
8160 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8162 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8164 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8165 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8166 (commit_one_edge_insertion): Do not look for loop notes.
8168 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8170 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8171 flag_test_coverage out of loop.
8173 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8175 * final.c (shorten_branches): Remove outdated comment, and turn
8176 the if branch that guards it to continue.
8178 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8180 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8181 * cfgloop.h (struct loop): Remove unused fields.
8183 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8185 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8186 (-dL, -fdump-rtl-loop2): Update the dump file names
8188 * doc/invoke.texi: Update dump file names.
8190 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8192 * predict.c (estimate_probability): Remove.
8193 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8194 * basic-block.h (estimate_probability): Remove prototype.
8195 * passes.c (finish_optimization_passes): Dump branch prediction or
8196 profiling heuristics to the .profile tree dump.
8197 (init_optimization_passes): Unqueue pass_branch_prob.
8199 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8201 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8203 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8204 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8206 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8208 * function.h (frame_offset_overflow): Declare.
8209 * function.c (frame_offset_overflow): New function.
8210 (assign_stack_local_1): Call it to detect that the offset overflows.
8211 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8213 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8215 * config/sh/sh.c: Include alloc-pool.h.
8216 (label_ref_list_pool): New alloc pool.
8217 (label_ref_list_t): New type for lists of labels.
8218 (struct pool_node): Make wend a label_ref_list_t.
8219 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8221 (dump_table): Likewise.
8222 (sh_reorg): Set up the alloc pool before using add_constant and
8223 dump_table, and destroy it when finishing.
8225 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8227 * config/mips/mips.c: Remove redundant comment.
8229 2006-03-10 Jason Merrill <jason@redhat.com>
8232 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8233 the target was declared 'register'.
8235 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8237 * genpreds.c (write_insn_constraint_len): Change definition of
8238 insn_constraint_len to return size_t to match the declaration.
8240 2006-03-10 DJ Delorie <dj@redhat.com>
8242 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8244 (m32c_expand_insv): Fix test for an AND mask.
8246 2006-03-10 Richard Guenther <rguenther@suse.de>
8249 * builtins.c (get_pointer_alignment): Handle component
8250 references for field alignment.
8252 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8254 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8255 when building with libgloss.
8256 (sh*elf): Implement --without-fp option.
8257 (sh64-superh-linux*): Don't multilib.
8259 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8261 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8263 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8265 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8266 Set it when one of the replacement functions returned true.
8267 Return TODO_cleanup_cfg if cfgchanged is true.
8268 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8270 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8272 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8273 instead of gen_lowpart.
8275 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8277 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8279 (mips_output_order_conditional_branch): Declare.
8280 * config/mips/mips.h (MIPS_BRANCH): New macro.
8281 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8282 for the comparison. Use gen_condjump.
8283 (mips_output_conditional_branch): Rework interface to take the
8284 asm templates for a direct branch and the inverse of a direct branch.
8285 (mips_output_order_conditional_branch): New function.
8286 (mips_builtin_branch_and_move): New function.
8287 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8288 branch condition. Use gen_single_cc as the condition for
8289 __builtin_mips_upper_* or __builtin_mips_lower_*.
8290 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8291 Use VOIDmode for the branch condition.
8292 * config/mips/predicates.md (order_operator): New predicate.
8293 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8294 (branch_fp): Rename to...
8295 (*branch_fp): ...this. Remove mode from comparison operator.
8296 Use new mips_output_conditional_branch interface.
8297 (branch_fp_inverted): Rename to...
8298 (*branch_fp_inverted): ...this and update as for *branch_fp.
8299 (*branch_zero<mode>): Rename to...
8300 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8301 Use mips_output_order_conditional_branch. Only accept ordered
8303 (*branch_zero<mode>_inverted): Rename to...
8304 (*branch_order<mode>_inverted): ...this and update as for
8305 *branch_order<mode>.
8306 (*branch_equality<mode>): Accept zero as the second operand to
8307 the equality operator. Use the new mips_output_conditional_branch
8309 (*branch_equality<mode>_inverted): Likewise.
8310 (condjump): New expander.
8311 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8313 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8314 (bc1any2t, bc1any2f): Likewise.
8315 (single_cc): New expander.
8316 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8318 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8320 * doc/md.texi: Update documentation of MIPS constraints.
8321 * config/mips/constraints.md: New file.
8322 * config/mips/mips.md: Include it.
8323 * config/mips/mips.c (mips_char_to_class): Delete.
8324 (override_options): Don't initialize mips_char_to_class.
8325 * config/mips/mips.h (mips_char_to_class): Delete.
8326 (REG_CLASS_FROM_LETTER): Delete.
8327 (CONST_OK_FOR_LETTER_P): Delete.
8328 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8329 (EXTRA_CONSTRAINT_Y): Delete.
8330 (EXTRA_CONSTRAINT_STR): Delete.
8331 (CONSTRAINT_LEN): Delete.
8332 (EXTRA_MEMORY_CONSTRAINT): Delete.
8334 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8336 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8337 original fn's eh regions.
8339 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8341 * fold-const.c (build_range_check): Make sure to use a valid type to
8342 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8345 (range_predecessor): New static function.
8346 (range_successor): Likewise.
8347 (merge_ranges): Use them to compute predecessors and successors of
8350 2006-03-09 Roger Sayle <roger@eyesopen.com>
8353 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8354 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8356 2006-03-08 DJ Delorie <dj@redhat.com>
8358 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8359 (addpsi3): Expand to include memory operands. Remove
8360 reload-specific splits.
8361 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8362 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8363 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8364 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8365 (shift1_qi, shift1_hi, insv): New.
8366 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8367 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8368 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8370 * config/m32c/m32c-protos.h: Update as needed.
8371 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8372 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8373 Fail for unrecognized R* constraints.
8374 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8375 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8376 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8378 (m32c_init_libfuncs): New.
8379 (m32c_legitimate_address_p): Add debug wrapper.
8380 (m32c_rtx_costs): New.
8381 (m32c_address_cost): New.
8382 (conversions): Add 'B' prefix.
8383 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8384 operands, or word regnames for QI operands. 'B' prints bit
8386 (m32c_expand_setmemhi): New.
8387 (m32c_expand_movmemhi): New.
8388 (m32c_expand_movstr): New.
8389 (m32c_expand_cmpstr): New.
8390 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8391 (m32c_expand_neg_mulpsi3): Handle non-ints.
8392 (m32c_cmp_flg_0): New.
8393 (m32c_expand_movcc): New.
8394 (m32c_expand_insv): New.
8395 (m32c_scc_pattern): New.
8396 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8397 a0/a1 out of SIregs.
8398 (STORE_FLAG_VALUE): New.
8399 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8402 * config/m32c/mov.md: Make constraints more liberal.
8403 (zero_extendqihi2): Optimize r0/r1 case.
8404 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8405 * config/m32c/predicates.md (m32c_any_operand): New.
8406 (m32c_nonimmediate_operand): New.
8407 (m32c_hl_operand): New.
8408 (m32c_r3_operand): New.
8411 (memsym_operand): New.
8412 (memimmed_operand): New.
8413 (a_qi_operand): New.
8414 (m32c_eqne_operator): New.
8415 (m32c_1bit8_operand): New.
8416 (m32c_1bit16_operand): New.
8417 (m32c_1mask8_operand): New.
8418 (m32c_1mask16_operand): New.
8419 * config/m32c/blkmov.md: New file.
8420 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8422 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8424 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8425 unsigned to fix signed/unsigned comparison issue in
8426 DWARF2_FRAME_REG_OUT.
8427 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8428 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8430 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8431 of ptr into the ENABLE_CHECKING section.
8433 2006-03-08 Jeff Law <law@redhat.com>
8435 * tree-vrp.c (infer_value_range): Only count pointer uses
8436 and dereferences if -fdelete-null-pointer-checks is enabled.
8438 * tree-vrp.c (find_assert_locations): Infer value ranges for
8439 single use pointers, but do not create ASSERT_EXPRs for them.
8440 When a non-null range is inferred for a pointer, backwards
8441 propagate that range to other equivalent pointers through the
8444 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8447 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8448 language hook targets.
8449 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8450 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8451 if language hook targets were missing.
8453 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8455 * tree-ssa-opfinalize.h: Removed.
8456 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8458 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8459 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8460 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8461 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8462 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8463 finalize_ssa_v_must_def_ops): New.
8465 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8467 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8470 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8472 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8474 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8475 addresses with offsets; reorganize.
8477 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8478 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8479 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8481 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8484 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8486 2006-03-08 Ben Elliston <bje@au.ibm.com>
8488 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8490 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8493 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8496 2006-03-07 Richard Guenther <rguenther@suse.de>
8498 PR tree-optimization/26587
8499 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8501 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8503 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8505 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8507 * hooks.c (hook_bool_mode_rtx_true): New function.
8508 * hooks.h (hook_bool_mode_rtx_true): Declare.
8509 * toplev.c (compile_file): Call output_shared_constant_pool.
8510 * varasm.c (shared_constant_pool): New variable.
8511 (assemble_start_function, assemble_end_function): Remove arguments
8512 from call to output_constant_pool.
8513 (create_constant_pool): New function, split out from...
8514 (init_varasm_status): ...here.
8515 (force_const_mem): Choose between the shared and per-function constant
8516 pools. Set current_function_uses_const_pool when reusing old entries
8517 as well as when creating new ones.
8518 (mark_constant): Ignore data argument.
8519 (mark_constants): Remove pool argument.
8520 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8521 to decide whether the function uses a constant pool.
8522 (output_constant_pool_contents): New function, split out from...
8523 (output_constant_pool): ...here.
8524 (output_shared_constant_pool): New function.
8525 (init_varasm_once): Initialize shared_constant_pool.
8526 * output.h (output_constant_pool): Delete.
8527 (output_shared_constant_pool): Declare.
8528 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8529 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8531 2006-03-06 Nick Clifton <nickc@redhat.com>
8533 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8534 flag_strength_reduce.
8536 2006-03-06 Ben Elliston <bje@au.ibm.com>
8538 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8539 x86_64-*-linux* configurations.
8541 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8542 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8544 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8546 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8548 * basic-block.h: Remove the extern for
8549 rediscover_loops_after_threading.
8551 * cfgloop.c (cancel_loop): Make it static.
8552 * cfgloop.h: Remove the prototype for cancel_loop.
8554 * flow.c (recompute_reg_usage): Make it static.
8555 * rtl.h: Remove the prototype for recompute_reg_usage.
8557 * function.c (use_return_register): Make it static.
8558 * function.h: Remove the prototype.
8560 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8562 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8564 * recog.h: Remove the prototype for
8565 validate_change_maybe_volatile.
8567 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8569 * rtlanal.c (replace_reg): Remove.
8570 * rtl.h: Remove the prototype for replace_reg.
8572 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8574 * regclass.c (reg_scan_update): Remove.
8575 (reg_scan_mark_refs): Remove the last argument.
8576 * rtl.h: Remove the prototype for reg_scan_update.
8578 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8580 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8581 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8582 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8583 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8584 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8585 loop-invariant.c, omp-low.c, opts.c, passes.c,
8586 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8587 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8588 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8589 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8590 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8591 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8593 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8595 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8596 * dwarf2out.h: Remove the prototype for
8597 dwarf2out_add_library_unit_info.
8599 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8601 * tree.c (add_var_to_bind_expr): Remove.
8602 * tree.h: Remove the prototype for add_var_to_bind_expr.
8604 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8606 * regclass.c (n_non_fixed_regs): Remove.
8607 (init_reg_sets_1, globalize_reg): Remove all uses of
8609 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8611 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8613 * rtlanal.c (insns_safe_to_move_p): Remove.
8614 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8616 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8618 * expmed.c (expand_mult_add): Remove.
8619 * expr.h: Remove the prototype for expand_mult_add.
8621 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8623 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8624 and REG_SAVED_VAL_EXP constants.
8625 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8626 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8627 Handle regs stored by value.
8628 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8629 (execute_cfa_program): Handle DW_CFA_val_offset,
8630 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8631 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8632 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8633 (uw_install_context_1): Handle target regs stored by value.
8635 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8637 * tree-sra.c (tree_sra): Return todoflags;
8638 (generate_one_element): Set TODO_update_smt_usage if needed.
8639 (pass_sra): Remove TODO_update_smt_usage.
8640 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8642 (tree_ssa_forward_propagate_single_use_vars): Return
8643 TODO_update_smt_usage if we need to update SMT usage.
8644 (pass_forwprop): Remove TODO_update_smt_usage.
8646 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8648 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8649 (correct_use_link): Remove reference to get_stmt_operands.
8650 (update_stmt_operands): Likewise.
8651 (get_modify_expr_operands): New function factored out of
8652 parse_ssa_operands and get_expr_operands.
8653 Try to create V_MUST_DEFs for LHS by default.
8654 (get_expr_operands) <case MODIFY_EXPR>: Call
8655 get_modify_expr_operands.
8656 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8657 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8658 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8659 get_modify_expr_operands.
8661 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8663 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8664 * tree-flow.h: Remove the prototype for
8665 referenced_var_lookup_if_exists.
8667 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8669 PR rtl-optimization/26345
8671 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8673 2006-03-03 Roger Sayle <roger@eyesopen.com>
8675 PR tree-optimization/26524
8676 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8677 fold_convert to create a constant of the appropriate type.
8679 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8681 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8682 SYMBOL_REF_IN_BLOCK_P.
8683 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8684 of SYMBOL_FLAG_IN_BLOCK.
8685 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8686 instead of SYMBOL_REF_IN_BLOCK_P.
8687 * explow.c (use_anchored_address): Likewise.
8688 * rtl.c (rtx_size): Likewise.
8689 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8690 instead of SYMBOL_FLAG_IN_BLOCK.
8691 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8692 SYMBOL_REF_IN_BLOCK_P.
8693 (assemble_variable): Likewise.
8694 (output_constant_def_contents): Likewise.
8695 (output_constant_pool): Likewise.
8696 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8697 instead of SYMBOL_FLAG_IN_BLOCK.
8698 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8699 SYMBOL_REF_IN_BLOCK_P.
8700 (SYMBOL_REF_BLOCK): Likewise.
8701 (SYMBOL_REF_OFFSET): Likewise.
8702 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8703 SYMBOL_REF_IN_BLOCK_P.
8704 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8705 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8706 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8707 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8709 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8711 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8713 2006-03-02 Roger Sayle <roger@eyesopen.com>
8715 * simplify-rtx.c (simplify_unary_operation): When simplifying
8716 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8717 that we perform the right shift in the appropriate mode, and
8718 then extend or truncate the result to requested mode.
8720 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8722 * gengtype.c (main): Handle double_int type.
8723 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8724 * double-int.c: New file.
8725 * double-int.h: New file.
8726 * system.h: Include doubleint.h.
8727 * Makefile.in (SYSTEM_H): Include double-int.h.
8728 (double-int.o): Add.
8730 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8733 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8736 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8738 * tree-vrp.c (remove_range_assertions): Do not update statements
8741 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8743 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8745 * gcse.c (rest_of_handle_gcse): Ditto.
8746 * except.c (gate_handle_eh): Ditto.
8747 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8748 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8750 2006-03-02 Eric Christopher <echristo@apple.com>
8752 * config/i386/i386.c (machopic_output_stub): Add indirection to
8755 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8759 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8761 Sun Niagara specific optimizations.
8762 * config.gcc: Recognize niagara as target.
8763 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8764 (TARGET_CPU_niagara): Define.
8765 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8766 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8767 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8768 (ASM_CPU_SPEC): Likewise.
8769 (PROCESSOR_NIAGARA): New enum entry.
8770 (REGISTER_MOVE_COST): Handle Niagara.
8771 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8772 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8773 (sparc_override_options): Recognize "niagara", set appropriate
8774 default MASK_* values for it, and align functions to 32-bytes
8775 by default just like ULTRASPARC/ULTRASPARC3.
8776 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8777 (sparc64_initialize_trampoline): Likewise.
8778 (sparc_use_sched_lookahead): Use zero for niagara.
8779 (sparc_issue_rate): Use one for niagara.
8780 * config/sparc/niagara.md: New file.
8781 * config/sparc/sparc.md: Include it.
8782 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8783 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8784 when default cpu is niagara.
8785 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8786 (ASM_CPU_SPEC): Likewise.
8787 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8788 when default cpu is niagara.
8789 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8790 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8791 just like v9/ultrasparc/ultrasparc3.
8792 * doc/invoke.texi: Add documentation for "niagara" and improve
8793 existing documentation for ultrasparc variants.
8795 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8797 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8799 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8801 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8802 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8803 and say that only one is needed.
8804 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8805 * target.h (have_switchable_bss_sections): New hook.
8806 * explow.c (use_anchored_address): Check that the symbol is in a block.
8807 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8808 (bss_noswitch_section): New variables.
8809 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8810 (get_noswitch_section): New function.
8811 (get_block_for_section): Allow SECT to be null.
8812 (unlikely_text_section_p): Use SECTION_STYLE.
8813 (bss_initializer_p): New function.
8814 (get_variable_section): Move earlier in file. Take a new argument,
8815 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8816 Return one of the new *_sections in such cases.
8817 (get_block_for_decl): New function, extracting some logic from
8818 use_blocks_for_decl_p.
8819 (change_symbol_section): Remove in favor of...
8820 (change_symbol_block): ...this new function.
8821 (use_blocks_for_decl_p): Remove checks now performed by
8823 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8824 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8825 (emit_local, emit_bss, emit_common): ...these new functions.
8826 Return true if the alignment was honored.
8827 (emit_tls_common): New function.
8828 (asm_emit_uninitialised): Delete.
8829 (assemble_variable_noswitch): New function, split out from...
8830 (assemble_variable): ...here. Don't make decisions about common
8831 variables here. Globalize all public decls that go into non-common
8832 sections. Check whether SYMBOL_REF_BLOCK is null.
8833 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8834 (output_constant_pool): Likewise.
8835 (init_varasm_once): Initialize the new section variables.
8836 (have_global_bss_p): New function.
8837 (categorize_decl_for_section): Use bss_initializer_p.
8838 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8839 (place_block_symbol): Assert that the symbol must be in a block.
8840 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8841 (TARGET_INITIALIZER): Include it.
8842 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8843 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8844 (SECTION_MACH_DEP): Bump by two.
8845 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8846 (unnamed_section): Mention SECTION_UNNAMED in comment.
8847 (named_section): Likewise SECTION_NAMED.
8848 (noswitch_section_callback): New type.
8849 (noswitch_section): New structure.
8850 (section): Add a noswitch_section alternative.
8851 (SECTION_STYLE): New macro.
8852 (tls_comm_section, comm_section, lcomm_section): Declare.
8853 (bss_noswitch_section, have_global_bss_p): Declare.
8854 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8855 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8857 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8858 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8861 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8863 * tree-vrp.c (execute_vrp): Return value.
8864 * regrename.c (rest_of_handle_regrename): Ditto.
8865 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8866 * tree-complex.c (tree_lower_complex): Ditto.
8867 (tree_lower_complex_O0): Ditto.
8868 * tracer.c (rest_of_handle_tracer): Ditto.
8869 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8870 * postreload.c (rest_of_handle_postreload): Ditto.
8871 * tree-tailcall.c (execute_tail_recursion): Ditto.
8872 (execute_tail_calls): Ditto.
8873 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8874 * tree.h (init_function_for_compilation): Ditto.
8875 * ipa-cp.c (ipcp_driver): Ditto.
8876 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8877 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8878 * final.c (compute_alignments): Ditto.
8879 (rest_of_handle_final): Ditto.
8880 (rest_of_handle_shorten_branches): Ditto.
8881 (rest_of_clean_state): Ditto.
8882 * omp-low.c (execute_expand_omp): Ditto.
8883 (execute_lower_omp): Ditto.
8884 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8885 * ipa-reference.c (static_execute): Ditto.
8886 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8887 * reorg.c (rest_of_handle_delay_slots): Ditto.
8888 (rest_of_handle_machine_reorg): Ditto.
8889 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8890 * flow.c (recompute_reg_usage): Ditto.
8891 (rest_of_handle_remove_death_notes): Ditto.
8892 (rest_of_handle_life): Ditto.
8893 (rest_of_handle_flow2): Ditto.
8894 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8895 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8896 (do_ssa_store_ccp): Ditto.
8897 (execute_fold_all_builtins): Ditto.
8898 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8899 * modulo-sched.c (rest_of_handle_sms): Ditto.
8900 * ipa-pure-const.c (static_execute): Ditto.
8901 * cse.c (rest_of_handle_cse): Ditto.
8902 (rest_of_handle_cse2): Ditto.
8903 * web.c (rest_of_handle_web): Ditto.
8904 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8905 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8906 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8907 * tree-nrv.c (tree_nrv): Ditto.
8908 (execute_return_slot_opt): Ditto.
8909 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8910 (create_structure_vars): Ditto.
8911 * loop-init.c (rtl_loop_init): Ditto.
8912 (rtl_loop_done): Ditto.
8913 (rtl_move_loop_invariants): Ditto.
8914 (rtl_unswitch): Ditto.
8915 (rtl_unroll_and_peel_loops): Ditto.
8916 (rtl_doloop): Ditto.
8917 * gimple-low.c (lower_function_body): Ditto.
8918 (mark_used_blocks): Ditto.
8919 * tree-ssa-sink.c (execute_sink_code): Ditto.
8920 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8921 (cgraph_early_inlining): Ditto.
8922 * global.c (rest_of_handle_global_alloc): Ditto.
8923 * jump.c (cleanup_barriers): Ditto.
8924 (purge_line_number_notes): Ditto.
8925 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8926 (rest_of_handle_if_after_reload): Ditto.
8927 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8928 (tree_ssa_loop_im): Ditto.
8929 (tree_ssa_loop_unswitch): Ditto.
8930 (tree_vectorize): Ditto.
8931 (tree_linear_transform): Ditto.
8932 (tree_ssa_loop_ivcanon): Ditto.
8933 (tree_ssa_empty_loop): Ditto.
8934 (tree_ssa_loop_bounds): Ditto.
8935 (tree_complete_unroll): Ditto.
8936 (tree_ssa_loop_prefetch): Ditto.
8937 (tree_ssa_loop_ivopts): Ditto.
8938 (tree_ssa_loop_done): Ditto.
8939 * predict.c (tree_estimate_probability): Ditto.
8940 * recog.c (split_all_insns_noflow): Ditto.
8941 (rest_of_handle_peephole2): Ditto.
8942 (rest_of_handle_split_all_insns): Ditto.
8943 * tree-eh.c (lower_eh_constructs): Ditto.
8944 * regmove.c (rest_of_handle_regmove): Ditto.
8945 (rest_of_handle_stack_adjustments): Ditto.
8946 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8947 * function.c (instantiate_virtual_regs): Ditto.
8948 (init_function_for_compilation): Ditto.
8949 (rest_of_handle_check_leaf_regs): Ditto.
8950 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8951 (rest_of_handle_gcse): Ditto.
8952 * ipa-type-escape.c (type_escape_execute): Ditto.
8953 * alias.c (rest_of_handle_cfg): Ditto.
8954 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8955 * profile.c (rest_of_handle_branch_prob): Ditto.
8956 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8957 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8958 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8959 * tree-dfa.c (find_referenced_vars): Ditto.
8960 * except.c (set_nothrow_function_flags): Ditto.
8961 (convert_to_eh_region_ranges): Ditto.
8962 (rest_of_handle_eh): Ditto.
8963 * emit-rtl.c (unshare_all_rtl): Ditto.
8964 (remove_unnecessary_notes): Ditto.
8965 * except.h (set_nothrow_function_flags): Ditto.
8966 (convert_to_eh_region_ranges): Ditto.
8967 * cfgexpand.c (tree_expand_cfg): Ditto.
8968 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8969 * tree-ssa-pre.c (do_pre): Ditto.
8970 (execute_fre): Ditto.
8971 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8972 (rest_of_handle_jump2): Ditto.
8973 * tree-sra.c (tree_sra): Ditto.
8974 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8975 (execute_mudflap_function_decls): Ditto.
8976 * tree-ssa-copy.c (do_copy_prop): Ditto.
8977 (do_store_copy_prop): Ditto.
8978 * ipa-prop.h (ipcp_driver): Ditto.
8979 * cfglayout.c (insn_locators_initialize): Ditto.
8980 * tree-ssa-forwprop.c
8981 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8982 * cfglayout.h (insn_locators_initialize): Ditto.
8983 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8984 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8985 (execute_late_warn_uninitialized): Ditto.
8986 * rtl.h (cleanup_barriers): Ditto.
8987 (split_all_insns_noflow): Ditto.
8988 (purge_line_number_notes): Ditto.
8989 (unshare_all_rtl): Ditto.
8990 (remove_unnecessary_notes): Ditto.
8991 (recompute_reg_usage): Ditto.
8992 (variable_tracking_main): Ditto.
8993 * integrate.c (emit_initial_value_sets): Ditto.
8994 * integrate.h (emit_initial_value_sets): Ditto.
8995 * tree-optimize.c (execute_free_datastructures): Ditto
8996 (execute_free_cfg_annotations): Ditto.
8997 (execute_fixup_cfg): Ditto.
8998 (execute_cleanup_cfg_pre_ipa): Ditto.
8999 (execute_cleanup_cfg_post_optimizing): Ditto.
9000 (execute_init_datastructures): Ditto.
9001 * tree-object-size.c (compute_object_sizes): Ditto.
9002 * combine.c (rest_of_handle_combine): Ditto.
9003 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9004 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9005 (rest_of_handle_reorder_blocks): Ditto.
9006 (rest_of_handle_partition_blocks): Ditto.
9007 * var-tracking.c (variable_tracking_main): Ditto.
9008 * tree-profile.c (tree_profiling): Ditto.
9009 * tree-vect-generic.c (expand_vector_operations): Ditto.
9010 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9011 * sched-rgn.c (rest_of_handle_sched): Ditto.
9012 (rest_of_handle_sched2): Ditto.
9013 * basic-block.h (free_bb_insn): Ditto.
9014 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9015 * tree-cfg.c (execute_build_cfg): Ditto.
9016 (remove_useless_stmts): Ditto.
9017 (split_critical_edges): Ditto.
9018 (execute_warn_function_return): Ditto.
9019 (execute_warn_function_noreturn): Ditto.
9020 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9021 * cfgrtl.c (free_bb_for_insn): Ditto.
9022 * passes.c (execute_one_pass): Run additional
9023 todos returned by execute function.
9024 * tree-pass.h (struct tree_opt_pass): Make execute
9027 2006-03-02 Richard Guenther <rguenther@suse.de>
9029 * tree-ssa-alias.c (find_used_portions): Consider taking
9030 the address as making the variable not write-only.
9032 2006-03-02 Nick Clifton <nickc@redhat.com>
9034 * config.gcc (default_use_cxa_atexit): Extend the description of
9035 this configure variable. Set its default value to "yes" for
9036 Linux, NetBSD and ELF targets on the assumption that they will
9037 use C libraries with the __cxa_atexit function.
9039 2006-03-02 Ben Elliston <bje@au.ibm.com>
9041 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9042 parameter as unused to suppress a build warning.
9044 2006-03-02 Ben Elliston <bje@au.ibm.com>
9046 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9049 2006-03-01 Roger Sayle <roger@eyesopen.com>
9052 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9053 declared name, the weak reference name, and the typeof name.
9054 (__gthrw): Avoid expanding the declared name suffix.
9055 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9057 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9059 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9061 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9062 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9063 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9064 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9065 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9066 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9067 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9068 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9069 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9070 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9071 (DW_END_default, DW_END_big, DW_END_little): New.
9072 (DW_END_lo_user, DW_END_hi_user): Define.
9073 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9074 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9075 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9078 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9080 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9082 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9084 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9086 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9088 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9089 to 'symbol_mem_tag'.
9091 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9094 2006-03-01 Roger Sayle <roger@eyesopen.com>
9096 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9098 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9101 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9102 MACHO_DYNAMIC_NO_PIC_P.
9103 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9105 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9108 * config/darwin-protos.h (darwin_asm_output_anchor):
9110 * config/darwin-sections.def (cstring_section):
9111 Add SECTION_MERGE to the flags.
9112 (literal4_section): Likewise.
9113 (literal8_section): Likewise.
9114 (objc_selector_refs_section): Likewise.
9115 (objc_cls_refs_section): Likewise.
9116 * config/darwin.c (darwin_asm_output_anchor): New
9118 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9120 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9122 Fix PR tree-optimization/26443
9123 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9124 to todo and PROP_tmt_usage to properties_destroyed.
9125 * tree-ssa-ccp.c (pass_ccp): Ditto.
9126 (pass_store_ccp): Ditto.
9127 * tree-ssa-dom.c (pass_dominator): Ditto.
9129 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9131 * tree-ssa-operands.c: Cleanup whitespace.
9132 (get_asm_expr_operands): Move before first invocation.
9133 (get_indirect_ref_operands): Likewise.
9134 (get_tmr_operands): Likewise.
9135 (get_call_expr_operands): Likewise.
9136 (append_def): Likewise.
9137 (append_use): Likewise.
9138 (append_v_may_def): Likewise.
9139 (append_v_must_def): Likewise.
9140 (add_call_clobber_ops): Likewise.
9141 (add_call_read_ops): Likewise.
9142 (add_stmt_operand): Likewise.
9143 (add_virtual_operand): Likewise.
9144 (build_ssa_operands): Likewise.
9146 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9151 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9152 with a call expr to ...
9153 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9155 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9157 * tree-vrp.c (extract_range_from_assert): Remove special
9158 handling for types with super-types.
9160 2006-03-01 Ben Elliston <bje@au.ibm.com>
9162 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9163 and powerpc64-*-linux* configurations.
9164 * config/t-dfprules: New file.
9166 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9167 Compile dfp-bit.c from the source directory using -DWIDTH and
9168 $DFP_CFLAGS to control the compilation of that file, rather than
9169 generating width-specific versions in the build directory.
9170 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9171 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9173 2006-02-28 Zack Weinberg <zackw@panix.com>
9175 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9178 2006-02-28 Eric Christopher <echristo@apple.com>
9180 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9181 Set up IN_LIBGCC definition of TARGET_64BIT.
9182 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9184 2006-02-28 Roger Sayle <roger@eyesopen.com>
9187 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9188 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9189 cases via the construction of "expr != 0".
9191 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9193 * alias.c (alias_invariant, alias_invariant_size): Remove.
9194 (record_base_value): Remove.
9195 (memrefs_conflict_p): Don't look at alias_invariant.
9196 (end_alias_analysis): Don't free it.
9197 * alias.h (record_base_value): Remove prototype.
9199 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9200 Adam Nemet <anemet@caviumnetworks.com>
9202 * rtl.h (truncated_to_mode): Declare it.
9203 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9204 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9205 (RTL_HOOKS_INITIALIZER): Include it.
9206 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9207 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9208 reg_truncated_to_mode.
9209 * rtlanal.c (truncated_to_mode): Define it.
9210 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9212 2006-02-28 Jeff Law <law@redhat.com>
9214 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9215 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9216 the range allowed by TYPE_PRECISION.
9218 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9220 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9222 PR tree-optimization/26419
9223 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9226 2006-02-27 Zack Weinberg <zackw@panix.com>
9228 * doc/md.texi: Fix typo in previous change.
9230 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9234 2006-02-27 Zack Weinberg <zackw@panix.com>
9236 * rtl.def (define_constraint, define_register_constraint)
9237 (define_memory_constraint, define_address_constraint): New MD forms.
9238 * gensupport.c (process_rtx): Put define_constraint etc on the
9240 * genpreds.c (process_define_predicate): Adjust comment. Validate
9241 the name, and call validate_exp to validate the expression.
9242 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9243 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9244 all callers changed.
9245 (validate_exp, needs_variable, struct constraint_data)
9246 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9247 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9248 (const_dbl_constraints, constraint_max_namelen)
9249 (have_register_constraints, have_memory_constraints)
9250 (have_address_constraints, have_address_constraints)
9251 (have_extra_constraints, have_const_int_constraints)
9252 (have_const_dbl_constraints, mangle, add_constraint)
9253 (process_define_constraint, process_define_register_constraint)
9254 (write_enum_constraint_num, write_lookup_constraint)
9255 (write_insn_constraint_len, write_regclass_for_constraint)
9256 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9257 (write_insn_extra_memory_constraint)
9258 (write_insn_extra_address_constraint)
9259 (write_satisfies_constraint_fns): New.
9260 (write_tm_preds_h): If we have new-style constraint definitions,
9261 prototype the functions generated from them, and define the
9262 old constraint interface (still used by generic code) in terms of
9264 (write_insn_preds_c): If we have new-style constraint definitions,
9265 generate all relevant functions from those definitions.
9266 (main): Handle define_constraint etc.
9267 * genoutput.c (struct constraint_data, indep_constraints)
9268 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9269 (mdep_constraint_len): New data structures and functions, defined
9270 #ifdef USE_MD_CONSTRAINTS.
9271 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9272 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9273 use new logic to validate operand constraints against constraint
9275 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9277 * defaults.h: If none of the old-style constraint macros are
9278 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9279 old-style macros; and poison REG_CLASS_FROM_LETTER,
9280 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9282 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9283 * doc/md.texi: Document new constraint-definition mechanism and the
9284 C interface it provides. Remove references to old mechanism
9285 elsewhere in the document.
9286 (Machine Constraints): Use pathnames relative to gcc directory,
9287 i.e. config/ARCH/FILE. Change i386 section to refer to
9288 config/i386/predicates.md; update that section to match docstrings.
9289 * doc/tm.texi: Move all documentation of the old constraint-
9290 definition macros to their own section, clearly mark as obsolete.
9292 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9293 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9295 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9296 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9297 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9299 (splits and peepholes): Use satisfies_constraint_*.
9300 * config/i386/i386.c (memory_address_length)
9301 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9303 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9305 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9306 scalar operation to be put back into the loop.
9308 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9311 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9312 (extract_cie_info): Handle S flag in augmentation string.
9313 (execute_cfa_program): If context->signal_frame, execute also
9314 fs->pc == context->ra instructions.
9315 (uw_frame_state_for): If context->signal_frame, don't subtract one
9316 from context->ra to find FDE.
9317 (uw_update_context_1): Set context->signal_frame to
9319 (_Unwind_GetIPInfo): New function.
9320 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9321 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9323 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9324 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9325 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9326 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9327 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9328 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9329 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9330 x86_64_fallback_frame_state): Set fs->signal_frame.
9331 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9332 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9333 (frob_update_context): Likewise. Workaround missing S flag in
9334 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9335 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9336 Remove the psw_addr + 1 hack.
9338 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9340 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9341 with aggregates here.
9342 (find_func_aliases): Remove code for &<aggregate> from here.
9344 2006-02-26 Roger Sayle <roger@eyesopen.com>
9346 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9347 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9348 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9351 2006-02-26 Roger Sayle <roger@eyesopen.com>
9354 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9356 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9358 * opts.c (decode_options): Do not handle flag_strength_reduce.
9359 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9360 and OPT_fstrength_reduce.
9361 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9362 flag_prefetch_loop_arrays for being nonzero.
9363 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9365 (fprefetch-loop-arrays-rtl): Removed.
9366 (flag_prefetch_loop_arrays): Do not specify the value.
9368 * doc/passes.texi: Update documentation of loop optimizer
9370 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9371 -frerun-loop-opt): Remove.
9373 2006-02-26 Richard Guenther <rguenther@suse.de>
9375 PR tree-optimization/26421
9376 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9377 in function calls that are ADDR_EXPRs as using the whole structure.
9379 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9381 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9382 * tree-pass.h (pass_loop_optimize): Remove.
9383 * passes.c (pass_loop_optimize): Never run it.
9384 * toplev.c (backend_init): Don't call init_loop.
9385 * opts.c (flag_loop_optimize_set): Remove.
9386 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9387 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9388 the old RTL loop optimizer when profiling enabled.
9389 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9390 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9391 pre-headers for the sake of the old RTL loop optimizer.
9392 * Makefile.in: Remove all references to loop.o.
9394 * doc/invoke.texi: Remove all references to -floop-optimize
9395 and -frerun-loop-opt.
9397 2006-02-26 Zack Weinberg <zackw@panix.com>
9399 * doc/md.texi (Machine Constraints): Refer to all files with paths
9400 relative to gcc directory (i.e. config/CPU/file). Add missing
9401 @table @code ... @end table to M32C subsection.
9403 2006-02-26 Roger Sayle <roger@eyesopen.com>
9405 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9407 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9409 2006-02-26 Roger Sayle <roger@eyesopen.com>
9410 James A. Morrison <phython@gcc.gnu.org>
9413 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9414 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9415 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9416 signedness of the shift operation.
9418 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9420 PR tree-optimization/26359
9421 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9423 2006-02-25 Roger Sayle <roger@eyesopen.com>
9425 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9426 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9427 as X == 0, and some symmetry related transformations.
9428 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9430 2006-02-25 Roger Sayle <roger@eyesopen.com>
9433 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9434 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9435 symmetry related transformations. Fold (X^C1) == C2 as
9438 2006-02-25 Juergen Weigert <jw@suse.de>
9439 Richard Guenther <rguenther@suse.de>
9441 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9443 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9445 * combine.c (gen_lowpart_or_truncate): Call
9446 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9448 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9450 * doc/invoke.texi: Move -fopenmp description to "Options for
9452 Remove reference to -lgomp.
9454 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9456 * doc/install.texi: Require GNU tar version 1.14.
9458 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9460 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9461 * doc/invoke.texi (C++ Dialect Options): Document
9462 -fno-use-cxa-get-exception-ptr.
9463 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9464 * configure: Regenerate.
9465 * c.opt (fuse-cxa-get-exception-ptr): New.
9466 * c-opts.c (c_common_handle_option): Handle
9467 OPT_fuse_cxa_get_exception_ptr.
9468 * c-common.c (flag_use_cxa_atexit): Update documentation.
9469 (flag_use_cxa_get_exception_ptr): New.
9470 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9471 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9473 (C_COMMON_OVERRIDE_OPTIONS): New.
9475 2006-02-24 Roger Sayle <roger@eyesopen.com>
9478 * combine.c (try_combine): Explicitly check whether GET_CODE is
9479 a SET or a CLOBBER, instead on checking that it isn't a USE.
9481 2006-02-24 Roger Sayle <roger@eyesopen.com>
9483 * fold-const.c (fold_comparison): New subroutine of fold_binary
9484 containing transformations common to both the equality and
9485 ordering relational operators, factored out of fold_binary.
9486 (fold_binary): Separate out the equality operators (EQ_EXPR
9487 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9488 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9489 transformations common to both.
9490 (fold_div_compare): Fix latent bugs in the previously unreachable
9491 LT_EXPR and GE_EXPR cases.
9493 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9495 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9496 decl libname for clog to __clog on AIX.
9498 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9500 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9503 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9504 output traceback table for thunks. Localise rs6000_stack_info call.
9506 2006-02-23 Roger Sayle <roger@eyesopen.com>
9507 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9509 * gthr-posix.h (__gthrw): Fix typo in comment.
9511 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9513 * doc/cpp.texi (Character sets): Document that we do support
9514 input files to be in any character set.
9516 2006-02-23 Jeff Law <law@redhat.com>
9518 * tree.h (PHI_ARG_NONZERO): Remove.
9519 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9520 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9521 node to the new node.
9523 PR tree-optimization/26425
9524 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9525 min/max, then assume its varying.
9527 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9529 PR rtl-optimization/26316
9530 * rtlanal.c (enum may_trap_p_flags): New.
9531 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9532 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9533 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9534 (may_trap_after_code_motion_p): New function.
9535 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9536 (find_invariant_insn): Use may_trap_after_code_motion_p.
9537 * rtl.h (may_trap_after_code_motion_p): Declare.
9539 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9541 * emit-rtl.c (immed_double_const): Cleanup.
9543 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9545 Fix PR tree-optimization/26376
9546 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9549 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9552 * gimplify.c (omp_add_variable): Guard variable size decl test with
9553 DECL_SIZE (decl) check.
9555 2006-02-23 Richard Guenther <rguenther@suse.de>
9558 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9559 like aggregate types.
9561 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9563 * configure.ac: Add --with{,out}-long-double-128 configure option.
9564 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9565 * configure: Rebuilt.
9566 * config.in: Rebuilt.
9567 * doc/install.texi (Options specification): Document
9568 --with-long-double-128.
9570 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9571 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9572 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9573 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9575 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9577 * config/s390/s390.c (override_options): Handle
9578 TARGET_DEFAULT_LONG_DOUBLE_128.
9580 * config/alpha/alpha.c (override_options): Handle
9581 TARGET_DEFAULT_LONG_DOUBLE_128.
9583 * config/sparc/sparc.c (sparc_override_options): Handle
9584 TARGET_DEFAULT_LONG_DOUBLE_128.
9586 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9588 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9589 (real-install-headers-tar, real-install-headers-cpio)
9590 (real-install-headers-cp): New targets.
9592 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9594 * tree.h (variable_section): Delete.
9595 * varasm.c (variable_section): Delete.
9597 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9599 * install.texi: Add notes on install.texi2html.
9600 (Building in parallel): Do not use footnotes.
9602 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9605 * doc/install.texi (Configuration): Document --disable-libgomp.
9607 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9609 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9611 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9613 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9614 (vec_extractv2df_0_sse): New.
9616 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9618 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9619 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9620 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9621 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9622 to the result of the expression.
9623 (def_cfa_1): Adjust.
9624 (frame_pointer_cfa_offset): Rename to...
9625 (frame_pointer_fb_offset): ... this. Adjust all uses.
9626 (convert_cfa_to_loc_list): Rename to...
9627 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9628 Pass it on to build_cfa_loc.
9629 (compute_frame_pointer_to_cfa_displacement): Rename to...
9630 (compute_frame_pointer_to_fb_displacement): ... this. New
9631 offset parameter. Use it in computation.
9632 (gen_subprogram_die): Compute cfa_fb_offset with the new
9633 macro, and use it to compute the fb loc list and the
9636 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9638 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9639 replaced with register_operand.
9640 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9641 non-DREG is expensive.
9642 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9643 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9646 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9648 * doc/install.texi2html: Use set -e.
9650 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9652 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9653 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9654 * doc/invoke.texi (-fshared-data): Delete.
9655 * common.opt (fshared-data): Delete.
9656 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9657 (assemble_static_space): Remove #if 0 code.
9658 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9659 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9660 * config/cris/cris.h: Remove FIXME.
9662 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9664 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9667 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9670 * combine.c (simplify_shift_const_1): Disable nested shifts
9671 optimization for vector shifts.
9673 2006-02-20 Roger Sayle <roger@eyesopen.com>
9675 PR tree-optimization/26361
9676 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9677 of unsigned integer types.
9679 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9681 * tree-chrec.c (eq_evolutions_p): New.
9682 * tree-chrec.h (eq_evolutions_p): Declared.
9683 * tree-data-ref.c: Fix formatting.
9684 (datadep_stats, dependence_stats): New.
9686 (print_direction_vector): New.
9687 (dump_data_dependence_relation): Use print_direction_vector.
9688 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9689 (compute_subscript_distance): Static.
9690 (initialize_data_dependence_relation): Static. Get the number
9691 of loops surrounding the references from the callers, and initialize
9692 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9693 base_object_differ_p analyzers.
9694 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9695 compute_overlap_steps_for_affine_1_2,
9696 analyze_subscript_affine_affine): Count the classified dependences.
9697 Print a message when a test failed.
9698 (can_use_analyze_subscript_affine_affine): New.
9699 (analyze_siv_subscript): Compute the data dependences on symbolic
9700 scevs that verify can_use_analyze_subscript_affine_affine.
9701 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9702 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9703 Handle symbolic scevs.
9704 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9706 (subscript_dependence_tester): Moved...
9707 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9708 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9709 DDR_SIZE_VECT instead of getting it in parameter.
9710 (subscript_dependence_tester): ... here. Take as a parameter
9711 loop_nest_depth. Call build_classic_dist_vector and
9712 build_classic_dir_vector.
9713 (compute_affine_dependence): Update subscript_dependence_tester
9714 parameters. Update datadep_stats counters. Call
9715 compute_subscript_distance.
9716 (compute_self_dependence): Save the dist and dir vectors. Call
9717 compute_subscript_distance.
9718 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9719 (compute_all_dependences): Reorder parameters as they were before
9720 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9721 compute_subscript_distance. Update the use of
9722 compute_affine_dependence and initialize_data_dependence_relation.
9723 (find_data_references_in_loop): Handle COMPONENT_REF.
9724 (compute_data_dependences_for_loop): Initialize dependence_stats.
9725 Don't call build_classic_dist_vector and build_classic_dir_vector.
9726 Update the parameters of initialize_data_dependence_relation and
9727 compute_all_dependences. Print the statistics from datadep_stats.
9728 (analyze_all_data_dependences): Static. Not used until the pass for
9729 checking the data dependences is contributed.
9730 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9731 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9732 (initialize_data_dependence_relation, compute_affine_dependence,
9733 analyze_all_data_dependences, compute_subscript_distance): Removed.
9734 (print_direction_vector): New.
9735 * lambda.h (gcd): ... here.
9736 (lambda_vector_gcd): Moved here from gcd_vector.
9737 * lambda-code.c (gcd, gcd_vector): Removed.
9738 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9739 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9741 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9743 * ipa-type-escape.c: Tidy some comments and white space.
9744 * tree-ssa-operands.c: Likewise.
9746 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9749 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9750 (dump_decl_name): Do not walk the decl tree chains.
9751 * tree-pass.h (TDF_CHAIN): Remove.
9753 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9755 * Makefile.in (C): Remove
9757 (.PHONY): Remove C and PROTO
9759 2006-02-20 Roger Sayle <roger@eyesopen.com>
9762 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9763 deprecated CHAR_TYPE tree code.
9765 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9767 * configure.ac (target_list): Add install-info, dvi, html.
9768 * configure: Regenerate.
9770 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9771 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9772 treelang/Make-lang.in: Do not use double-colon rules.
9774 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9776 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9777 (TMT_USED_ALONE): New macro.
9778 * tree-pass.h (PROP_tmt_usage): New property.
9779 (TODO_update_tmt_usage): New todo.
9780 * tree-ssa-alias.c (updating_used_alone): New variable.
9781 (recalculate_used_alone): New function.
9782 (compute_may_aliases): Set updating_used_alone, call
9783 recalculate_used_alone.
9784 * tree-sra.c (pass_sra): Note that this pass destroys
9785 PROP_tmt_usage, and add TODO_update_tmt_usage.
9786 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9787 * tree-flow.h (updating_used_alone): Prototype.
9788 (recalculate_used_alone): Ditto.
9789 * passes.c (execute_todo): Add code to set updating_used_alone,
9790 and call recalculate.
9791 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9792 for clobber if used alone, and add assert to verify used_alone
9795 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9797 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9798 for non tls symbols added.
9799 (legitimize_address): Do nothing for PLUS expressions if one of the
9800 addends is a tls symbol reference.
9802 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9806 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9808 * Makefile.in (BOOTSTRAPPING): New.
9809 (quickstrap): New definition if BOOTSTRAPPING=yes.
9811 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9812 * configure.ac: Substitute all_selected_languages with the languages
9813 that were configured. For all the other variables except
9814 lang_specs_files, include all the languages in the tree.
9815 * configure: Regenerate.
9817 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9818 if there is one. Run the commands to run fixincludes in the same
9821 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9822 * doc/install.texi: Document exact conventions for searching target tools.
9823 Document --with-build-time-tools. Document toplevel bootstrap. Document
9824 something more about building an Ada cross-compiler. Don't list GNU Make
9825 requirements which affect all platforms.
9827 2006-02-19 Roger Sayle <roger@eyesopen.com>
9830 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9831 only equivalent if the have both the same mode and precision.
9833 2006-02-20 Ben Elliston <bje@au.ibm.com>
9835 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9837 2006-02-19 Roger Sayle <roger@eyesopen.com>
9838 Steven Bosscher <stevenb.gcc@gmail.com>
9840 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9841 constant pool references to identify stack mode constants.
9842 * rtlanal.c (constant_pool_constant_p): New predicate to check
9843 whether operand is a floating point constant in the pool.
9844 * rtl.h (constant_pool_constant_p): Prototype here.
9845 * loop.c (scan_loop): Avoid hoisting constants from the constant
9846 pool on STACK_REGS targets.
9847 (load_mems): Likewise.
9848 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9849 loads into x87 registers expensive in terms of register pressure.
9851 2006-02-19 Roger Sayle <roger@eyesopen.com>
9853 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9854 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9856 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9858 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9859 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9861 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9863 * doc/invoke.texi: Document -fipa-pta.
9864 * common.opt: Add ipa-pta option.
9865 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9866 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9867 (do_ds_constraint): Ditto.
9868 (get_constraint_for): Only add to referenced_vars if
9869 referenced_vars exists.
9870 (insert_into_field_list): Rewrite to do this unsorted.
9871 (insert_into_field_list_sorted): Rename old insert_into_field_list
9873 (create_function_info_for): Use insert_into_field_list_sorted.
9874 (create_variable_info_for): Rewrite so it uses unsorted version,
9875 since the field list is sorted.
9876 (intra_create_variable_infos): Only add to referenced_vars if
9877 referenced_vars exists.
9878 (ipa_pta_execute): Init heapvars, and delete when done.
9879 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9881 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9883 * doc/install.texi: Add missing `@samp'.
9885 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9887 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9890 2006-02-18 Mark Wielaard <mark@klomp.org>
9892 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9893 who added new 4.1 features, bug fixes and integration support.
9895 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9898 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9901 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9903 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9904 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9905 (copy_insn_1): Likewise. Don't copy each field individually.
9907 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9909 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9910 * rtl.c (rtx_size): Rename variable to...
9911 (rtx_code_size): ...this.
9912 (rtx_size): New function.
9913 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9914 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9916 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9917 * rtl.h (rtx_code_size): New variable.
9918 (rtx_size): Change from a variable to a function.
9919 (RTX_SIZE): Rename to...
9920 (RTX_CODE_SIZE): ...this.
9923 PR tree-optimization/17106
9924 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9925 (Anchored Addresses): New section.
9926 * doc/invoke.texi (-fsection-anchors): Document.
9927 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9928 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9929 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9930 * hooks.c (hook_bool_mode_rtx_false): New function.
9931 * hooks.h (hook_bool_mode_rtx_false): Declare.
9932 * gengtype.c (create_optional_field): New function.
9933 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9934 SYMBOL_REF_IN_BLOCK_P is true.
9935 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9936 (min_anchor_offset, max_anchor_offset): Likewise.
9937 (use_anchors_for_symbol_p): New hook.
9938 * toplev.c (compile_file): Call output_object_blocks.
9939 (target_supports_section_anchors_p): New function.
9940 (process_options): Check that -fsection-anchors is only used on
9941 targets that support it and when -funit-at-a-time is in effect.
9942 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9943 if the decl doesn't have one.
9944 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9945 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9946 of force_const_mem through use_anchored_address.
9947 (expand_expr_constant): New function.
9948 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9949 calling expand_expr for INDIRECT_REF.
9950 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9951 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9952 * expr.h (use_anchored_address): Declare.
9953 * loop-unroll.c: Don't declare rtx vectors here.
9954 * explow.c: Include output.h.
9955 (validize_mem): Call use_anchored_address.
9956 (use_anchored_address): New function.
9957 * common.opt (-fsection-anchors): New switch.
9958 * varasm.c (object_block_htab, anchor_labelno): New variables.
9959 (hash_section, object_block_entry_eq, object_block_entry_hash)
9960 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9961 (use_blocks_for_decl_p, change_symbol_section): New functions.
9962 (get_variable_section): New function, split out from assemble_variable.
9963 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9964 use_blocks_for_decl_p say so. Use change_symbol_section if the
9965 symbol has already been created.
9966 (assemble_variable_contents): New function, split out from...
9967 (assemble_variable): ...here. Don't output any code for
9968 block symbols; just pass them to place_block_symbol.
9969 Use get_variable_section and assemble_variable_contents.
9970 (get_constant_alignment, get_constant_section, get_constant_size): New
9971 functions, split from output_constant_def_contents.
9972 (build_constant_desc): Create a block symbol if use_object_blocks_p
9973 says so. Or into SYMBOL_REF_FLAGS.
9974 (assemble_constant_contents): New function, split from...
9975 (output_constant_def_contents): ...here. Don't output any code
9976 for block symbols; just pass them to place_section_symbol.
9977 Use get_constant_section and get_constant_alignment.
9978 (force_const_mem): Create a block symbol if use_object_blocks_p and
9979 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9980 (output_constant_pool_1): Add an explicit alignment argument.
9981 Don't switch sections here.
9982 (output_constant_pool): Adjust call to output_constant_pool_1.
9983 Switch sections here instead. Don't output anything for block symbols;
9984 just pass them to place_block_symbol.
9985 (init_varasm_once): Initialize object_block_htab.
9986 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9987 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9988 (place_block_symbol, get_section_anchor, output_object_block)
9989 (output_object_block_htab, output_object_blocks): New functions.
9990 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9991 (TARGET_ASM_OUT): Include it.
9992 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9993 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9994 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9995 (TARGET_INITIALIZER): Include them.
9996 * rtl.c (rtl_check_failed_block_symbol): New function.
9997 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9998 (block_symbol, object_block): New structures.
9999 (rtx_def): Add a block_symbol field to the union.
10000 (BLOCK_SYMBOL_CHECK): New macro.
10001 (rtl_check_failed_block_symbol): Declare.
10002 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10003 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10004 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10005 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10006 * output.h (output_section_symbols): Declare.
10007 (object_block): Name structure.
10008 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10009 (default_use_anchors_for_symbol_p): Declare.
10010 * Makefile.in (RTL_BASE_H): Add vec.h.
10011 (explow.o): Depend on output.h.
10012 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10013 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10014 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10015 (rs6000_use_blocks_for_constant_p): New function.
10017 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10019 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10021 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10024 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10027 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10029 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10033 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10035 PR middle-end/26334
10036 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10037 instead of DECL_REGISTER.
10039 2006-02-18 Olivier Hainque <hainque@adacore.com>
10042 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10044 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10047 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10048 * opth-gen.awk: Handle Var and InverseMask together.
10049 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10050 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10051 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10052 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10054 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10055 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10056 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10057 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10058 LINUX_DYNAMIC_LINKER): Define.
10059 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10060 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10062 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10063 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10064 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10065 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10066 (TARGET_C99_FUNCTIONS): Don't define.
10067 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10068 GLIBC_DYNAMIC_LINKER.
10069 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10070 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10071 GLIBC_DYNAMIC_LINKER64): Define.
10072 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10073 LINUX_DYNAMIC_LINKER64.
10074 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10075 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10076 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10078 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10079 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10080 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10081 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10082 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10083 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10084 and LINUX_DYNAMIC_LINKER32.
10085 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10086 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10087 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10088 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10089 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10091 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10092 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10093 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10094 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10095 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10096 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10097 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10098 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10099 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10100 LINUX_DYNAMIC_LINKER): Define.
10101 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10102 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10103 GLIBC_DYNAMIC_LINKER64): Define.
10104 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10105 LINUX_DYNAMIC_LINKER64.
10106 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10107 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10108 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10109 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10110 LINUX_DYNAMIC_LINKER): Define.
10111 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10112 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10113 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10114 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10115 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10116 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10117 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10118 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10119 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10120 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10121 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10122 * doc/invoke.texi (-muclibc): Remove caveat about supported
10125 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10127 * doc/cpp.texi (__TIMESTAMP__): Document.
10129 2006-02-17 Roger Sayle <roger@eyesopen.com>
10131 PR middle-end/25600
10132 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10133 C is one less than the width of X (and related transformations).
10134 * simplify-rtx.c (simplify_unary_operation_1): Transform
10135 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10136 depending on STORE_FLAG_VALUE, were C is one less then the
10139 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10141 Fix PR tree-optimization/26341
10142 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10143 about NAME_MEMORY_TAG's.
10145 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10148 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10149 with hardware float support, and software float support. Add fcpy
10150 alternative to hardware patterns. Add alternatives to copy between
10151 general and floating-point registers to the 32-bit pattern.
10152 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10153 secondary reload to load a QI or HI mode constant into a floating
10155 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10156 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10158 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10161 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10163 (load_macho_picbase_di): Likewise.
10165 2006-02-16 Jeff Law <law@redhat.com>
10167 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10168 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10169 (ssa_name_nonzero_p): Likewise.
10170 (get_value_range): Return NULL if VRP is not running.
10171 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10172 VRP routines do not discover a range.
10173 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10174 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10175 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10176 (tree_expr_nonnegative_p): Similarly.
10177 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10178 (restore_nonzero_vars_to_original_value): Remove.
10179 (unsafe_associative_fp_binop): Remove.
10180 (tree_ssa_dominator_optimize): Remove initialization and
10181 finalization of nonzero_vars and nonzero_vars_stack.
10182 (dom_opt_initialize_block): No longer push marker on
10183 nonzero_vars_stack.
10184 (dom_opt_finalize_block): No longer call
10185 restore_nonzero_vars_to_original_value.
10186 (record_equivalences_from_phis): No longer look for
10187 nonzero PHI arguments.
10188 (cprop_into_successor_phis): No longer propagate nonzero
10189 property into PHI arguments. Lose unused argument. Caller
10191 (record_equivalences_from_stmt): No longer record nonzero
10192 values for SSA_NAMEs.
10193 (lookup_avail_expr): No longer use nonzero_vars.
10195 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10196 for sizetype when sizetype is unsigned.
10198 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10200 PR rtl-optimization/25603
10201 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10202 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10203 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10204 with new meaning of SETS.
10206 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10211 * config/linux.opt: New file.
10212 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10213 LINUX_DYNAMIC_LINKER): Define.
10214 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10215 * config.gcc (*-*-linux*): Define extra_options.
10216 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10217 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10218 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10219 GLIBC_DYNAMIC_LINKER.
10220 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10221 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10222 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10224 * doc/invoke.texi (GNU/Linux Options): New section.
10226 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10228 * config/sparc/sparc.md (setjmp): Rewrite.
10229 (setjmp_32): Delete.
10230 (setjmp_64): Likewise.
10232 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10234 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10237 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10239 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10242 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10244 PR rtl-optimization/26296
10245 * Makefile.in (loop-invariant.c): Add except.h dependency.
10246 * loop-invariant.c: Include except.h.
10247 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10249 2005-02-16 Paul Brook <paul@codesourcery.com>
10251 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10254 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10256 PR rtl-optimization/25636
10257 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10258 when deciding whether an insn is an initializing insn.
10260 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10262 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10263 (tree_code_size): Ditto.
10264 * tree.h (struct tree_memory_tag): Remove parent_var.
10265 (struct tree_struct_field_tag): New.
10268 (union tree_node): Add sft member.
10269 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10271 (create_sft): Add size and offset argument, set SFT_OFFSET and
10273 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10274 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10275 * tree-flow-inline.h (get_subvar_at): Update for
10276 SFT_OFFSET/SFT_SIZE.
10277 (var_can_have_subvars): Ditto.
10278 (overlap_subvar): Ditto.
10279 * print-tree.c (print_node): Print out interesting things for
10281 * tree-flow.h (struct subvar): Remove offset and size members.
10282 * tree-ssa-operands.c (get_expr_operands): Update for
10283 get_indirect_ref_operands changes.
10284 (get_indirect_ref_operands): Call add_virtual_operand instead of
10285 add_stmt_operand. Only recurse on base var if requested.
10286 (access_can_touch_variable): New function.
10287 (add_stmt_operand): Split virtual operand handling into ...
10288 (add_virtual_operand): Here. Add offset, size, and for_clobber
10289 arguments. Prune alias sets.
10290 (add_call_clobber_ops): Call add_virtual_operand.
10292 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10294 PR middle-end/26300
10295 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10297 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10298 than TREE_CODE as index into omp_clause_num_ops array.
10300 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10302 PR rtl-optimization/26184
10303 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10305 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10306 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10307 must_precede, must_follow and tobe_scheduled.
10310 * opts.c (common_handle_option): Free new_option pointer.
10311 * df-core.c (df_analyze): Free postorder pointer.
10313 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10315 * Makefile.in: Fix the examples about the use of stamps
10317 2006-02-15 Michael Matz <matz@suse.de>
10319 PR middle-end/22275
10321 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10322 influenced by maximum_field_alignment or DECL_PACKED.
10323 (update_alignment_for_field): Ditto.
10324 (place_field): Ditto.
10325 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10328 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10330 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10331 (debug_flow_info): Pass it.
10332 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10333 * bb-reorder.c (reorder_basic_blocks): Likewise.
10334 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10335 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10336 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10337 * gcse.c (gcse_main, bypass_jumps): Likewise.
10338 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10339 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10340 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10341 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10342 * rtl.h (dump_flow_info): Adjust prototype.
10343 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10344 * var-tracking.c (variable_tracking_main): Likewise.
10345 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10346 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10349 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10351 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10354 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10356 PR tree-optimization/26209
10357 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10358 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10360 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10362 2006-02-14 Roger Sayle <roger@eyesopen.com>
10364 PR middle-end/23670
10365 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10366 (X,Y) and the corresponding symmetry related transformations.
10367 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10368 (X,Y) and its symmetry related transformations.
10370 2006-02-14 Roger Sayle <roger@eyesopen.com>
10372 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10375 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10377 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10379 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10382 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10383 support COMDAT group.
10384 * configure: Regenerate.
10386 2006-02-14 Roger Sayle <roger@eyesopen.com>
10388 PR middle-end/26279
10389 PR middle-end/26280
10390 PR middle-end/26283
10391 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10393 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10395 Fix PR tree-optimization/26260
10397 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10399 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10400 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10401 * tree-ssa-structalias.c (create_variable_info_for): Use
10402 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10404 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10406 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10408 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10409 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10410 of the ending condition.
10411 * tree-ssa-loop-manip.c: Include params.h.
10412 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10413 tree_unroll_loop): New functions.
10414 * tree-pass.h (pass_loop_prefetch): Declare.
10415 * loop.c (rest_of_handle_loop_optimize): Test for
10416 -fprefetch-loop-arrays-rtl.
10417 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10418 * timevar.def (TV_TREE_PREFETCH): New timevar.
10419 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10420 pass_loop_prefetch): New.
10421 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10422 (cleanup_tree_cfg_loop): Call scev_reset.
10423 * common.opt (fprefetch-loop-arrays-rtl): Add.
10424 * tree-ssa-loop-prefetch.c: New file.
10425 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10426 (new_temp_expr_table): Initialize expr_vars.
10427 (free_temp_expr_table): Cleanup expr_vars.
10428 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10429 expressions from being merged into one.
10430 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10431 (struct tree_niter_desc): Add control, bound and cmp fields.
10432 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10434 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10435 (tree-cfgcleanup.o): Add SCEV_H dependency.
10436 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10437 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10439 2006-02-14 Richard Guenther <rguenther@suse.de>
10441 PR tree-optimization/26258
10442 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10443 in PHI argument processing.
10445 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10447 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10448 new expression in the requested machine mode.
10450 2006-02-13 Roger Sayle <roger@eyesopen.com>
10452 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10453 directly, instead let do_compare_rtx_and_jump handle this for us.
10454 * expr.c (expand_expr_real_1): Likewise.
10455 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10456 before do_jump_by_parts_greater.
10457 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10458 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10460 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10462 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10464 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10466 PR rtl-optimization/26235
10467 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10468 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10471 2006-02-13 Jeff Law <law@redhat.com>
10473 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10476 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10478 PR middle-end/26092
10479 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10480 twice if decl is a builtin. When trying again, call get_callee_fndecl
10481 first to verify it is still a builtin.
10483 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10485 * dwarf2out.c (base_type_die): Don't add AT_name here.
10486 (subrange_type_die): Don't add AT_name here.
10487 (modified_type_die): Rearrange code flow. Do add AT_name here.
10489 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10491 PR rtl-optimization/26247
10492 PR rtl-optimization/26248
10493 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10495 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10497 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10498 * config/fixtfdi.c: Likewise.
10499 * config/fixunstfdi.c: Likewise.
10500 * config/floatditf.c: Likewise.
10502 2006-02-13 Roger Sayle <roger@eyesopen.com>
10504 PR middle-end/24427
10505 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10506 into (X,C2) if C1 is a subset of the bits of C2. Transform
10507 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10509 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10511 2006-02-13 Josh Conner <jconner@apple.com>
10514 * varasm.c (function_section): Check for section name before
10515 calling select_section on targets that define
10516 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10517 unlikely_text_section instead of hot_function_section if
10518 first_function_block_is_cold.
10520 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10522 PR middle-end/25335
10523 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10525 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10527 PR rtl-optimization/26222
10528 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10529 after tree->rtl expansion.
10530 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10531 before passing it to emit_move_insn.
10533 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10535 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10537 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10538 Clarify documentation.
10539 * c-common.h (warn_write_strings): Remove.
10540 * c-common.c (warn_write_strings): Likewise.
10541 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10544 2006-02-12 Roger Sayle <roger@eyesopen.com>
10546 PR middle-end/25724
10547 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10548 (do_jump_parts_zero_rtx): New function renamed from
10549 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10550 (do_jump_parts_equality_rtx): New function split out from
10551 do_jump_parts_equality. Old implementation renamed as above.
10552 Call do_jump_parts_zero_rtx if either operand is zero.
10553 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10554 do all of the heavy lifting.
10555 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10556 calling either do_jump_by_parts_greater_rtx or
10557 do_jump_by_parts_equality_rtx.
10558 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10559 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10560 moved to do_compare_rtx_and_jump, call it directly.
10561 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10562 mode argument. Call do_compare_rtx_and_jump.
10563 (emit_case_nodes): Update calls to do_jump_if_equal.
10565 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10567 PR rtl-optimization/26225
10568 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10570 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10572 PR rtl-optimization/26232
10573 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10575 2006-02-11 Jason Merrill <jason@redhat.com>
10578 * tree-inline.c (declare_return_variable): Just don't use the
10579 modify target if it's a gimple complex reg and the return slot
10582 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10584 * doc/contrib.texi: Update my entry.
10586 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10588 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10590 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10592 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10595 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10597 * doc/invoke.texi (-floop-optimize2): Removed.
10598 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10599 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10600 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10601 * common.opt (floop-optimize2): Removed.
10602 (fmove-loop-invariants): Enabled by default.
10604 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10606 * tree-if-conv.c (combine_blocks): Free the result of
10607 get_loop_exit_edges.
10609 2006-02-10 Jeff Law <law@redhat.com>
10611 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10613 PR tree-optimization/26213
10614 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10615 loop trying to follow SSA_NAME_VALUE chains.
10617 2006-02-10 Richard Guenther <rguenther@suse.de>
10619 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10620 deal with structures that end in implicitly variable sized arrays.
10622 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10624 PR rtl-optimization/24762
10625 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10628 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10630 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10631 (struct ivopts_data): Add regs_used field.
10632 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10633 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10634 instead of loop_data->regs_used;
10635 (free_loop_data): Do not free aux fields for loops.
10636 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10637 and tree_ssa_iv_optimize_finalize.
10639 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10641 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10643 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10646 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10647 computing the effective result type.
10649 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10651 PR inline-asm/16194
10652 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10653 (tree_overlaps_hard_reg_set): Declare.
10654 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10655 type and signature to match function type expected by walk_tree.
10656 (tree_overlaps_hard_reg_set): New function.
10657 (decl_conflicts_with_clobbers_p): Rename to:
10658 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10659 Use tree_overlaps_hard_reg_set. Changed caller.
10660 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10661 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10662 * cris.c (cris_md_asm_clobbers): Likewise.
10664 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10666 * reload1.c (emit_input_reload_insns): Delete code that tries to
10667 inherit using find_equiv_reg.
10669 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10671 * c-common.h (flag_const_strings): Don't declare.
10672 * c-common.c (flag_const_strings): Remove.
10673 * c.opt (fconst_strings): Remove.
10674 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10675 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10676 (c_common_init_options): Don't set flag_const_strings.
10677 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10679 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10681 * arm.md (tlobits_cbranch): New pattern.
10682 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10683 testing a single bit.
10685 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10688 * tree-ssa-pre.c (create_component_ref_by_pieces):
10689 Handle RETURN_DECL like VAR_DECL.
10691 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10693 PR middle-end/26134
10694 * fold-const.c (fold_indirect_ref_1): Fold
10695 "*(foo *)&complexfoo" to "__real__ complexfoo"
10696 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10698 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10700 * tree-flow-inline.h (var_can_have_subvars):
10701 Volatile variables should not have subvariables.
10703 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10706 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10707 multiplying unsigned values.
10710 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10712 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10714 2006-02-08 Jason Merrill <jason@redhat.com>
10717 * tree.def: Elaborate on difference from MODIFY_EXPR.
10718 * doc/c-tree.texi (INIT_EXPR): Likewise.
10719 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10720 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10721 (gimplify_target_expr): Likewise.
10722 (gimplify_cond_expr): Remove target handling.
10723 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10724 (gimplify_expr): Clobber it here.
10725 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10726 Do return slot optimization if we have an INIT_EXPR.
10729 * tree-inline.c (declare_return_variable): Also clear
10730 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10733 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10735 PR middle-end/22439
10736 * gimplify.c (gimplify_one_sizepos): Fix typo.
10738 2006-02-08 Jeff Law <law@redhat.com>
10740 PR tree-optimization/21417
10741 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10742 across a backedge if the control statement at the end of the
10743 block is data dependent on other statements in the same block.
10744 (record_temporary_equivalences_from_stmts): Remove over-conservative
10745 test for threading across backedges.
10747 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10748 control statement, handle all three special cases in the same
10749 manner as they all have the same desired solution. No longer
10750 special case edge flag updating when the post dominator is
10753 2006-02-08 Roger Sayle <roger@eyesopen.com>
10755 * tree.def (CHAR_TYPE): Remove.
10756 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10757 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10758 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10759 (gen_string_type_die): Delete unreachable function.
10761 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10762 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10763 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10764 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10765 * builtins.c (type_to_class): Likewise.
10766 * fold-const.c (fold_convert, build_range_check,
10767 merge_ranges): Likewise.
10768 * expr.c (count_type_elements): Likewise.
10769 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10770 * stor-layout.c (layout_type): Likewise.
10771 * ipa-type-escape.c (type_to_consider): Likewise.
10772 * gimplify.c (omp_firstprivatize_type_sizes,
10773 gimplify_type_sizes): Likewise.
10774 * explow.c (promote_mode): Likewise.
10775 * tree-sra.c (is_sra_scalar_type): Likewise.
10776 * varasm.c (output_constant): Likewise.
10777 * tree-inline.c (remap_type_1): Likewise.
10778 * convert.c (convert_to_pointer, convert_to_real,
10779 convert_to_integer, convert_to_complex): Likewise.
10781 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10783 * df-scan.c (df_def_record_1): A set destination may
10784 be a parallel regardless of mode.
10786 2006-02-08 Roger Sayle <roger@eyesopen.com>
10789 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10790 * config/mips/_tilib.c: Remove.
10791 * config/fixtfdi.c: New libgcc source file.
10792 * config/fixunstfdi.c: New source file.
10793 * config/floatditf.c: New source file.
10794 * config/floatunditf.c: New souce file.
10795 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10796 files above instead of config/mips/_tilib.c.
10797 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10799 2006-02-08 Jeff Law <law@redhat.com>
10801 PR tree-optimization/26169
10802 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10805 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10807 * df.h (DF_REG_SIZE): Return the length of the initialized
10810 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10812 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10813 __muldf3): Return a correctly signed zero.
10815 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10817 * passes.c (register_one_dump_file): Accept the current properties
10818 instead of pass number. Adjust call to dump_register. Remove
10820 (register_dump_files): Now a wrapper around...
10821 (register_dump_files_1): ... this one. Do not modify the pass
10823 (next_pass_1): Cosmetic fix.
10824 (execute_todo): Keep second parameter only. Use curr_properties
10825 instead of fetching it from the pass structure. Check and set
10827 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10828 instead of fetching it from the pass structure. Fix calls to
10829 execute_todo. Update curr_properties and initialize .vcg RTL dump
10830 after running the pass. Reset last_verified.
10831 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10833 (FIRST_AUTO_NUMBERED_DUMP): New.
10834 (dump_register): Remove "num" parameter, assign it within the
10836 (get_dump_file_name): Modify template for dumps.
10837 * tree-dump.h (dump_register): Adjust prototype.
10838 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10839 (PROP_trees): Add PROP_gimple_lomp.
10840 (TODO_set_props): New.
10841 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10842 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10843 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10845 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10847 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10848 (sparc64-*-linux*): Likewise.
10849 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10850 * config/sparc/t-linux: New file.
10851 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10852 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10853 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10854 -m32 -mlong-double-128.
10856 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10857 * config/alpha/t-linux: New file.
10858 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10860 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10861 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10862 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10863 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10864 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10865 (CPP_ARCH32_SPEC): Remove.
10867 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10869 PR tree-optimization/26145
10870 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10873 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10876 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10877 >= 240000 when generating code for SOM runtime.
10878 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10879 to $$dyncall when generating code for SOM runtime..
10881 2006-02-07 Dirk Mueller <dmueller@suse.com>
10884 * doc/invoke.texi (-Wsequence-point): Update documentation
10885 that -Wsequence-point is implemented for C++ as well.
10887 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10889 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10890 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10891 (LIB_SPEC): Likewise.
10892 * doc/invoke.texi (SPARC options): Document -pthread.
10894 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10896 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10899 2006-02-07 Roger Sayle <roger@eyesopen.com>
10901 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10902 Correct comment describing BOOLEAN_TYPE.
10904 2006-02-07 Dirk Mueller <dmueller@suse.com>
10906 * c.opt: C++ frontend supports -Wdiv-by-zero.
10907 * c-opts.c (c_common_handle_option): Remove dead case.
10909 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10911 * configure.ac (TLS assembler check): Do not enable TLS by
10912 default on SPARC/Solaris before version 10.
10913 * configure: Regenerate.
10915 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10917 * doc/invoke.texi (xl-compat): Document conversion and support
10920 2006-02-07 Jeff Law <law@redhat.com>
10922 * tree-vrp.c (find_conditional_asserts): Update comments.
10923 (simplify_stmt_for_jump_threading): New.
10924 (identify_jump_threads, finalize_jump_threads): New.
10925 (vrp_finalize): Call identify_jump_threads.
10926 (execute_vrp): Call finalize_jump_threads.
10927 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10928 (vrp_element, vrp_data, vrp_element_p): Remove.
10929 (vrp_hash_elt, vrp_variables_stack): Remove.
10930 (vrp_hash, vrp_eq, record_range): Remove.
10931 (simplify_cond_and_lookup_avail_expr): Remove.
10932 (extract_range_from_cond): Remove.
10933 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10934 (simplify_stmt_for_jump_threading): New.
10935 (dom_thread_across_edge): New wrapper.
10936 (tree_ssa_dominator_optimize): No longer initialize or
10937 finalize any of the VRP datastructures. Remove iteration
10938 step and simplify as a result of removal of iteration step.
10939 (pass_dominator): Perform a cfg cleanup after DOM.
10940 (dom_opt_finalize_block): Use the new common routines
10941 for threading jumps. Simplify stack management slightly.
10942 No longer need to unwind VRP state.
10943 (record_equivalences_from_incoming_edge): No longer record
10945 (eliminate_redundant_computations): No longer call
10946 simplify_cond_and_lookup_avail_expr.
10947 * tree-flow.h (potentially_threadable_block): Prototype.
10948 (thread_across_edge): Likewise.
10949 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10950 (tree-ssa-threadedge.o): Add dependencies.
10951 * tree-ssa-threadedge.c: New file.
10952 * passes.c (init_optimization_passes): Merge PHIs before
10953 calling VRP. Run VRP again late in the SSA optimization pipeline.
10955 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10957 * df-core.c (df_set_blocks): Do not dereference function pointers.
10958 (df_finish1): Likewise.
10959 (df_hybrid_search_forward): Likewise.
10960 (df_hybrid_search_backward): Likewise.
10961 (df_iterative_dataflow): Likewise.
10962 (df_analyze_problem): Likewise.
10963 (df_compact_blocks): Likewise.
10964 (df_dump): Likewise.
10965 * df-scan.c (df_rescan_blocks): Likewise.
10966 (df_record_entry_block_defs): Likewise.
10968 * genconditions.c (write_conditions): Guard the definition of
10969 'insn_conditions' with the check on GCC version.
10970 (write_writer): Guard the traversal 'insn_conditions' with
10971 the check on GCC version.
10973 2006-02-07 Richard Guenther <rguenther@suse.de>
10977 2006-01-30 Richard Guenther <rguenther@suse.de>
10979 * gimplify.c (gimplify_target_expr): Handle easy cases
10980 without creating a temporary.
10982 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10984 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10985 use of float in probability computations. Use edge probabilities
10986 in place of statically computed probabilities.
10987 (min_spec_prob): New static variable.
10988 (schedule_insns): Initialize it.
10989 (GET_SRC_PROB): Removed.
10990 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10992 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10995 * config/ia64/unwind-ia64.c: Revert last change.
10996 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10997 (INCOMING_FRAME_SP_OFFSET): Define.
10999 2006-02-06 Roger Sayle <roger@eyesopen.com>
11001 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11003 2006-02-07 Ben Elliston <bje@au.ibm.com>
11005 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11006 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11007 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11008 (ix86_return_in_memory): Handle TDmode.
11009 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11010 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11012 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11014 * reorg.c (dbr_schedule): Use dump_file instead of file.
11016 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11019 * config/ia64/predicates.md (extr_len_operand): New predicate.
11020 * config/ia64/ia64.md (extv): Tighten constraints.
11022 (*tbit_and_2): Ditto.
11023 (*tbit_and_3): Ditto.
11024 (*tbit_or_2): Ditto.
11025 (*tbit_or_3): Ditto.
11026 (*bit_zero): Ditto.
11029 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11032 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11034 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11036 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11037 loop_optimizer_init and loop_optimizer_finalize
11038 * tree-ssa-sink.c (execute_sink_code): Ditto.
11039 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11040 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11041 tree_ssa_loop_done): Ditto.
11042 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11043 * sched-ebb.c: Include output.h.
11044 (schedule_ebbs): Do not use dump argument.
11045 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11046 * loop.c (loop_dump_stream): Removed.
11047 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11049 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11050 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11051 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11052 loop_iterations, strength_reduce, record_biv, record_giv,
11053 final_giv_value, check_final_value, check_ext_dependent_givs,
11054 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11055 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11056 dump_file instead of loop_dump_stream.
11057 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11058 argument dump_file.
11059 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11061 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11062 * haifa-sched.c: Include output.h
11063 (schedule_insns, sched_init): Do not use dump argument.
11064 * mode-switching.c (optimize_mode_switching): Ditto.
11065 * modulo-sched.c (stats_file): Removed.
11066 (print_node_sched_params): Do not call argument dump_file.
11067 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11068 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11070 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11072 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11073 rtl_loop_init, rtl_loop_done): Ditto.
11074 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11075 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11077 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11078 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11079 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11080 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11081 * emit-rtl.c (renumber_insns): Ditto.
11082 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11083 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11084 * regclass.c (regclass): Ditto.
11085 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11086 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11087 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11088 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11090 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11091 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11093 * gcse.c (gcse_file, debug_stderr): Removed.
11094 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11095 rest_of_handle_gcse): Do not use dump argument.
11096 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11097 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11098 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11099 compute_code_hoist_vbeinout, compute_code_hoist_data,
11100 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11101 compute_store_table, build_store_vectors, insert_insn_start_bb,
11102 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11103 store_motion): Use dump_file instead of gcse_file.
11104 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11105 * profile.c (profile_dump_file): Removed.
11106 (branch_prob): Use dump_file instead of profile_dump_file.
11107 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11109 * tree-ssa-copy.c (dump_copy_of): Ditto.
11110 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11111 dump file to life_analysis.
11112 * bt-load.c (branch_target_load_optimize): Ditto.
11113 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11115 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11116 regclass, dbr_schedule): Declaration changed.
11117 * sched-int.h (sched_init): Declaration changed.
11118 * tree-profile.c (tree_profile_dump_file): Removed.
11119 (tree_profile_hooks): Removed profile_dump_file hook.
11120 * rtl-profile (rtl_profile_dump_file): Removed.
11121 (rtl_profile_hooks): emoved profile_dump_file hook.
11122 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11124 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11125 * tree-cfg.c (build_tree_cfg): Ditto.
11126 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11127 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11128 Declaration changed.
11129 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11130 life_analysis and schedule_insns.
11131 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11133 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11135 * config/mips/mips.c (mips_reorg): Ditto.
11136 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11139 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11141 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11142 (s390_mangle_fundamental_type): New.
11143 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11146 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11147 (alpha_mangle_fundamental_type): New.
11148 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11151 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11153 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11155 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11156 (sparc_mangle_fundamental_type): New.
11158 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11160 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11161 (s390x-*-linux*): Likewise.
11162 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11163 * config/s390/t-linux: New file.
11165 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11167 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11168 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11170 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11172 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11173 (ANTIC_SAFE_LOADS): New macro.
11174 (find_or_generate_expression): Add prototype.
11175 (set_contains_value): Allow null set for sake of not always having
11176 to allocate ANTIC_SAFE_LOADS.
11177 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11178 Allow COMPONENT_REF too.
11179 (valid_in_set): Allow COMPONENT_REF.
11180 Check ANTIC_SAFE_LOADS too.
11181 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11182 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11184 (can_PRE_operation): Add COMPONENT_REF.
11185 (create_component_ref_by_pieces): New function.
11186 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11187 (insert_aux): Move AGGREGATE_TYPE_P check here.
11188 (compute_avail): Set bb local stmt uids.
11189 (pass_pre): Use TODO_update_ssa_only_virtuals.
11191 2006-02-06 Ben Elliston <bje@au.ibm.com>
11193 * configure.ac: Unconditionally disable decimal float by default.
11194 * configure: Regenerate.
11196 2006-02-06 Ben Elliston <bje@au.ibm.com>
11198 * read-rtl.c (read_name): Terminate reading on EOF.
11200 2006-02-06 Ben Elliston <bje@au.ibm.com>
11202 * dfp.c (decimal_real_arithmetic): Change second argument type
11203 from int to enum tree_code. Do not always return true, but now
11204 return result of any call to decimal_do helper functions.
11205 * dfp.h (decimal_real_arithmetic): Update prototype.
11207 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11209 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11211 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11214 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11217 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11219 * tree-vrp.c (cfg_loops): Removed.
11220 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11221 Use current_loops instead of cfg_loops. Pass flags to
11222 loop_optimizer_init.
11223 * cfgloopmanip.c (fix_loop_structure): Update only available
11225 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11226 loop_optimizer_init.
11227 * modulo-sched.c (build_loops_structure): Removed.
11228 (sms_schedule): Use loop_optimizer_init.
11229 * loop-init.c (loop_optimizer_init): Use flags to determine
11230 which properties of loops to prepare.
11231 (rtl_loop_init): Pass flags to loop_optimizer_init.
11232 * tree-ssa-sink.c (execute_sink_code): Ditto.
11233 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11234 * tree-ssa-pre.c (init_pre): Ditto.
11235 * cfgloop.h (LOOPS_NORMAL): New.
11236 (loop_optimizer_init): Declaration changed.
11238 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11240 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11241 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11243 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11245 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11247 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11248 * pa/t-pa64: Delete quadlib.c rule.
11249 * pa/x-ada: Revert last change.
11250 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11252 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11254 PR rtl-optimization/26087
11255 * rtlanal.c (canonicalize_condition): Do not cross basic block
11258 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11261 * config/ia64/ia64.c: Include debug.h.
11262 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11263 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11264 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11265 (process_epilogue, process_set, process_for_unwind_directive):
11266 Output unwind info only if requested. Add CFA info if requested.
11267 Add new arguments as needed. Adjust callers.
11268 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11270 (DWARF2_FRAME_INFO): Define to zero.
11271 * config/ia64/unwind-ia64.c: Remove code that compensated for
11272 the CFA offset error fixed above.
11273 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11274 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11275 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11276 -funwind-tables and -fexceptions to enable frame info.
11277 (dwarf2out_frame_init): Define initial CFA even if
11278 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11279 DWARF2_UNWIND_INFO is nonzero, not just defined.
11280 (dwarf2out_frame_finish): Output non-EH call frame info only
11281 if DWARF2_FRAME_INFO is nonzero.
11282 (convert_cfa_to_loc_list,
11283 compute_frame_pointer_to_cfa_displacement): Define even if
11284 unwind info is not supported.
11285 (gen_subprogram_die): Use the above unconditionally. Remove
11286 legacy alternate code.
11287 * toplev.c (compile_file): Compile in call to
11288 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11289 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11291 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11292 Jakub Jelinek <jakub@redhat.com>
11294 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11295 IBM extended float format long double as "g" on powerpc*-linux.
11297 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11300 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11301 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11303 2006-02-03 Jason Merrill <jason@redhat.com>
11306 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11308 PR middle-end/25977
11309 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11310 on the return slot if it's an NRV.
11312 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11314 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11315 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11316 rewrite_use): Do not handle USE_OUTER.
11317 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11318 add_iv_outer_candidates, may_replace_final_value,
11319 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11320 (find_interesting_uses_op): Functionality of
11321 find_interesting_uses_outer_or_nonlin moved here.
11322 (find_interesting_uses_outside): Use find_interesting_uses_op.
11324 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11327 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11329 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11330 Ulrich Weigand <uweigand@de.ibm.com>
11333 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11334 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11335 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11336 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11338 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11339 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11340 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11341 Define secondary reloads for TFmode moves.
11342 (constant_modes): Add TFmode.
11343 (NR_C_MODES): Set to 8.
11344 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11346 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11347 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11348 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11349 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11350 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11351 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11352 (FPR mode macro): Add TFmode.
11353 (DSF mode macro): New.
11354 (<de>, <dee> mode attributes): Removed.
11355 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11356 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11357 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11358 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11359 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11360 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11361 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11362 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11363 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11364 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11365 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11366 "*negabs<mode>2", "sqrt<mode>2"):
11367 Changed <de> to <xde>. R constraint replaced by <Rf>.
11368 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11370 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11371 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11372 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11374 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11375 "extenddftf2", "extendsftf2"): New expanders.
11376 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11377 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11378 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11379 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11381 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11382 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11383 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11384 __floatditf): Add a GCC_4.1.0 symbol version tag.
11385 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11388 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11391 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11392 Use targetm.binds_local_p instead of TREE_PUBLIC.
11394 2006-02-02 Roger Sayle <roger@eyesopen.com>
11396 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11397 on INTEGER_TYPEs to indicate that it denotes a character type.
11398 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11399 signed_char_type_node, unsigned_char_type_node and char_type_node.
11400 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11401 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11402 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11404 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11405 Daniel Berlin <dberlin@dberlin.org>
11407 * tree-tailcall.c (arg_needs_copy_p): New function.
11408 (eliminate_tail_call): Use arg_needs_copy_p.
11409 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11410 (add_virtual_phis): New function.
11412 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11414 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11415 #ignore instead of #scratch for %g7 .register directive.
11417 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11419 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11422 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11424 * flow.c (calculate_global_regs_live): Assert that there aren't any
11427 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11429 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11430 what its name says.
11431 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11432 bsi_after_labels iterator.
11433 * tree-if-conv.c (find_phi_replacement_condition,
11434 replace_phi_with_cond_modify_expr): Likewise.
11435 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11436 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11438 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11440 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11442 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11445 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11446 array after growing it.
11448 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11450 PR middle-end/24901
11451 * fold-const.c (fold_checksum_tree): Change type of buf.
11453 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11455 * reload.c (push_secondary_reload): Initialize t_icode.
11457 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11459 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11460 -msoft-float -mlong-double-128 only issue a warning, but don't
11461 swich to DFmode long double.
11463 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11465 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11466 has a constant equivalent, iterate over equivalents for arg0,
11467 calling simplify_relational_operation and if there's a result
11468 cheaper than X, apply fold_rtx and return the result.
11470 2006-02-01 Jan Hubicka <jh@suse.cz>
11472 * opts.c (no_unit_at_a_time_default): New global variable.
11473 (decode_options): Use it.
11474 * opts.h (no_unit_at_a_time_default): Declare.
11476 2006-02-01 Paul Brook <paul@codesourcery.com>
11478 * function.c (assign_parm_setup_reg): Use function argument promotion
11480 * expr.c (expand_expr_real_1): Use function argument promotion rules
11483 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11485 * gcc.c (process_command): Change j to 'unsigned int'.
11487 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11489 PR middle-end/26001
11490 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11491 Use the corrected index for the character
11492 out of the string constant.
11494 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11496 * mode-switching.c (optimize_mode_switching): Fix size
11497 allocated for bb_info[n_entities].
11499 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11501 * gcc.c (main): Correct type that is allocated for
11502 explicit_link_files.
11504 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11506 * config/s390/s390.c (init_alignment_context): Set
11507 ALIAS_SET_MEMORY_BARRIER on the MEM.
11508 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11510 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11512 PR middle-end/25933
11513 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11515 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11518 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11520 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11521 * regrename.c: Ditto.
11522 * tree-ssa-loop-im.c: Ditto.
11523 * tree-dump.c: Ditto.
11524 * tree-complex.c: Ditto.
11525 * genrecog.c: Ditto.
11526 * tree-ssa-threadupdate.c: Ditto.
11528 * java/class.c: Ditto.
11529 * java/jcf-parse.c: Ditto.
11530 * java/resource.c: Ditto.
11531 * java/except.c: Ditto.
11532 * java/jvspec.c: Ditto.
11533 * java/jcf-write.c: Ditto.
11534 * java/jcf-path.c: Ditto.
11535 * java/gjavah.c: Ditto.
11536 * java/zextract.c: Ditto.
11537 * java/jcf-io.c: Ditto.
11538 * java/jcf.h: Ditto.
11539 * java/buffer.c: Ditto.
11540 * java/lang.c: Ditto.
11541 * java/parse-scan.y: Ditto.
11542 * java/lex.c: Ditto.
11543 * java/lex.h: Ditto.
11544 * cfgloopmanip.c: Ditto.
11545 * postreload-gcse.c: Ditto.
11546 * tree-ssa-loop-manip.c: Ditto.
11547 * postreload.c: Ditto.
11548 * tree-ssa-loop-ch.c: Ditto.
11551 * cppspec.c: Ditto.
11552 * diagnostic.c: Ditto.
11554 * genoutput.c: Ditto.
11556 * cfghooks.c: Ditto.
11557 * cfgloopanal.c: Ditto.
11558 * objc/objc-act.c: Ditto.
11560 * genextract.c: Ditto.
11561 * genautomata.c: Ditto.
11562 * pretty-print.c: Ditto.
11563 * genemit.c: Ditto.
11564 * cgraphunit.c: Ditto.
11566 * df-scan.c: Ditto.
11567 * haifa-sched.c: Ditto.
11568 * dominance.c: Ditto.
11570 * tree-ssa-loop-ivopts.c: Ditto.
11571 * df-core.c: Ditto.
11572 * mode-switching.c: Ditto.
11573 * modulo-sched.c: Ditto.
11575 * ipa-pure-const.c: Ditto.
11577 * fix-header.c: Ditto.
11579 * tree-stdarg.c: Ditto.
11580 * ipa-utils.c: Ditto.
11581 * loop-init.c: Ditto.
11582 * ipa-inline.c: Ditto.
11583 * cfganal.c: Ditto.
11585 * alloc-pool.c: Ditto.
11586 * dwarf2out.c: Ditto.
11588 * genattrtab.c: Ditto.
11589 * tree-ssa-loop-ivcanon.c: Ditto.
11590 * predict.c: Ditto.
11591 * timevar.c: Ditto.
11593 * fortran/gfortranspec.c: Ditto.
11594 * regmove.c: Ditto.
11595 * local-alloc.c: Ditto.
11596 * langhooks.c: Ditto.
11597 * function.c: Ditto.
11598 * tree-vectorizer.c: Ditto.
11600 * ipa-type-escape.c: Ditto.
11602 * tree-if-conv.c: Ditto.
11603 * profile.c: Ditto.
11605 * tree-data-ref.c: Ditto.
11606 * loop-unroll.c: Ditto.
11607 * treelang/treetree.c: Ditto.
11609 * bt-load.c: Ditto.
11610 * ggc-common.c: Ditto.
11612 * coverage.c: Ditto.
11614 * tree-cfgcleanup.c: Ditto.
11615 * tree-ssa-pre.c: Ditto.
11616 * cfgcleanup.c: Ditto.
11617 * loop-invariant.c: Ditto.
11618 * loop-iv.c: Ditto.
11619 * ipa-prop.c: Ditto.
11620 * print-tree.c: Ditto.
11621 * conflict.c: Ditto.
11622 * ggc-page.c: Ditto.
11623 * sched-deps.c: Ditto.
11624 * regclass.c: Ditto.
11625 * tree-object-size.c: Ditto.
11626 * combine.c: Ditto.
11627 * bb-reorder.c: Ditto.
11628 * resource.c: Ditto.
11629 * var-tracking.c: Ditto.
11630 * cfgloop.c: Ditto.
11631 * df-problems.c: Ditto.
11632 * reg-stack.c: Ditto.
11634 * gccspec.c: Ditto.
11635 * sched-rgn.c: Ditto.
11636 * tree-ssa-structalias.c: Ditto.
11637 * tree-ssa-reassoc.c: Ditto.
11638 * config/darwin-c.c: Ditto.
11639 * config/darwin.c: Ditto.
11640 * config/arm/arm.c: Ditto.
11642 * collect2.c: Ditto.
11643 * reload1.c: Ditto.
11645 2006-01-31 Nicolas Pitre <nico@cam.org>
11647 * arm.md (smaxsi3): Make aware of smax_m1.
11650 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11652 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11654 2006-01-31 Richard Guenther <rguenther@suse.de>
11656 * doc/invoke.texi (-msselibm): Document.
11657 * target.h (expand_library_builtin): New target hook.
11658 * builtins.c (expand_builtin): Use expand_library_builtin.
11659 (default_expand_library_builtin): New function.
11660 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11661 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11662 (link_gcc_math_spec): Declare.
11663 (static_specs): Add link_gcc_math_spec.
11664 * expr.h (default_expand_library_builtin): Declare.
11665 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11666 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11667 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11668 * config/i386/i386.opt (msselibm): New target option.
11669 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11670 (ix86_init_sse_abi_builtins): New function.
11671 (ix86_expand_library_builtin): Likewise.
11672 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11673 (override_options): Handle error conditions wrt -msselibm.
11674 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11675 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11676 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11679 2006-01-31 Richard Guenther <rguenther@suse.de>
11680 Paolo Bonzini <bonzini@gnu.org>
11682 * doc/install.texi (--disable-libgcc-math): Document.
11684 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11686 * expr.h (expand_normal): new inline function.
11687 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11688 * dojump.c: use it.
11689 * dwarf2out.c: use it.
11692 * expmed.c: use it.
11693 * except.c: use it.
11694 * config/sparc/sparc.c: use it.
11695 * config/i386/i386.c: use it.
11696 * config/rs6000/rs6000.c: use it.
11697 * config/arm/arm.c: use it.
11698 * config/mips/mips.c: use it.
11699 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11701 2006-01-30 Roger Sayle <roger@eyesopen.com>
11703 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11704 argv to the appropriate type.
11706 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11708 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11711 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11714 * config/s390/s390.c (struct machine_function): New flag
11715 decomposed_literal_pool_addresses_ok_p.
11716 (s390_reorg): Set it before final stage of literal pool transforms.
11717 (s390_decompose_address): Only accept displacements of the form
11718 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11720 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11722 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11723 the comparison routine return.
11725 2006-01-30 Michael Matz <matz@suse.de>
11727 * global.c (find_reg): Only evict for global regs.
11728 Take n_refs into account and dump more info.
11730 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11733 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11734 (pragma_trap, pragma_nosave_low_regs): Likewise.
11735 (current_function_anonymous_args): Likewise.
11736 (sh_deferred_function_attributes): New variable.
11737 (sh_deferred_function_attributes_tail): Likewise.
11738 (print_operand): For '@', look up trap_exit attribute.
11739 (calc_live_regs): Look up trapa_handler attribute. For trapa
11740 handlers, save/restore fpscr, but don't do any other
11741 interrupt-specific saves.
11742 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11743 Fix check for partially saved registers to check for SHmedia.
11744 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11745 (sh_output_function_epilogue): Don't clear any of the removed
11747 (sh_insert_attributes): Don't check pragma_interrupt.
11748 Insert deferred attributes. Check that interrupt attribute is
11749 present for other attributes that require its presence.
11750 (sh_attribute_table): Add new attributes trapa_handler and
11752 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11753 Don't check for pragma_interrupt. Don't store argument.
11754 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11755 (sh_deferred_function_attributes): Declare.
11756 (sh_deferred_function_attributes_tail): Likewise.
11757 * sh.md (sp_switch_1): Add operand. Change generator caller.
11758 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11759 (*return_i): Don't use when trap_exit attribute is in effect.
11760 (*return_trapa): New insn pattern.
11761 * sh-c.c: New file.
11762 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11763 setting c_target_objs and cxx_target_objs.
11764 * t-sh: Add rule for sh-c.o.
11766 2006-01-30 Richard Guenther <rguenther@suse.de>
11769 * gimplify.c (gimplify_target_expr): Handle easy cases
11770 without creating a temporary.
11772 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11774 * vec.h (safe_grow): Remove duplicated line.
11776 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11779 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11780 (expand_omp): ... here.
11781 (expand_omp_parallel): Only remove barriers for combined
11782 parallel+workshare constructs.
11784 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11788 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11789 * tree.c (build_qualified_type): Chain the new type to the original
11790 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11791 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11792 (build_pointer_type_for_mode): Only return unqualified types.
11793 (build_reference_type_for_mode): Likewise.
11795 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11797 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11798 * Makefile.in (CXX_COMPAT_WARN): Define.
11799 * configure: Regenerate.
11801 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11804 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11807 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11809 * toplev.c: Fix thinko.
11811 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11812 Marcin Dalecki <martin@dalecki.de>
11814 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11815 (push_srcloc): Use XNEW.
11816 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11818 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11820 * df-core.c (df_set_blocks): Deleted all variable.
11822 2006-01-28 Ian Lance Taylor <ian@airs.com>
11824 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11825 cgraph_output_pending_asms.
11827 2006-01-28 Zack Weinberg <zackw@panix.com>
11829 * c.opt: Add -W(no-)overlength-strings.
11830 * doc/invoke.texi: Document it.
11831 * c-opts.c (c_common_handle_option): -pedantic implies
11832 -Woverlength-strings, if not explicitly disabled already.
11833 (c_common_post_options): -Woverlength-strings defaults to off, and
11834 is always off for C++.
11835 * c-common.c (fix_string_type): Issue warning about strings longer
11836 than is portable only if warn_overlength_strings. Rearrange code
11837 a little for clarity.
11838 * configure.in: Check for -Wno-overlength-strings as well before
11839 enabling -pedantic in stage 1.
11840 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11841 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11843 * genconditions.c (write_header, write_one_condition)
11844 (write_conditions, write_writer): Consolidate very long strings
11845 that were broken up to fit in C89 portable limit. Don't use
11846 printf when fputs will do.
11848 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11850 * combine.c (simplify_comparison <AND>): Check
11851 TRULY_NOOP_TRUNCATION before start using a subreg.
11853 * config/mips/mips.md (*branch_zero<mode>,
11854 *branch_zero<mode>_inverted, *branch_equality<mode>,
11855 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11856 Remove mode check from comparisons.
11858 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11860 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11862 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11864 * expmed.c (const_mult_add_overflow_p): Remove.
11865 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11867 * recog.c (validate_replace_rtx_subexp): Remove.
11868 * recog.h: Remove the prototype for
11869 validate_replace_rtx_subexp.
11871 * integrate.h: Remove the prototype for
11872 copy_decl_for_inlining.
11873 * rtl.h: Remove the prototype for mark_constant_function.
11874 * tree-vectorizer.h: Remove the prototype for
11875 vect_strip_conversion.
11877 * modulo-sched.c (create_partial_schedule,
11878 free_partial_schedule, reset_partial_schedule): Make them
11881 * hooks.c (hook_bool_rtx_int_false): Remove.
11882 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11884 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11886 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11887 and -mlong-double-128 are incompatible.
11888 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11889 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11890 (TARGET_LIBGCC2_CFLAGS): Define.
11891 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11892 (TARGET_LIBGCC2_CFLAGS): Same.
11893 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11895 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11898 * c-typeck.c (build_binary_op): Perform implicit casts of
11899 operands before shortening them.
11901 * cfgloopmanip.c (split_loop_bb): Remove.
11902 * cfgloop.h: Remove the prototype for split_loop_bb.
11904 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11905 * cfgloop.h: Remove the prototype for
11906 flow_loop_outside_edge_p.
11908 * emit-rtl.c (init_virtual_regs): Make it static.
11909 * function.h: Remove the prototype for init_virtual_regs.
11911 * recog.c (peephole2_optimize): Make it static.
11912 * recog.h: Remove the prototype for peephole2_optimize.
11914 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11916 * df-scan.c (df_record_entry_block_defs): Check if
11917 INCOMING_RETURN_ADDR_RTX is defined.
11919 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11920 Kenneth Zadeck <zadeck@naturalbridge.com>
11922 PR rtl-optimization/24762
11923 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11924 * targhooks.c (hook_void_bitmap): New hook prototype.
11925 * targhoohs.h (hook_void_bitmap): Ditto.
11926 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11927 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11928 * target.h (live_on_entry): New function pointer.
11929 * df-scan.c (df_all_hard_regs): Removed.
11930 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11931 (df_scan_free_internal): Added df->entry_block_defs.
11932 (df_scan_alloc): Ditto.
11933 (df_scan_dump): Ditto.
11934 (df_uses_record): Plumbed flag field properly thru calls.
11935 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11936 This part fixes PR24762.
11937 (df_bb_refs_record): Added code to make the frame and arg
11938 pointers live in EH blocks.
11939 (df_refs_record): Added call to df_record_entry_block_defs.
11940 (df_record_entry_block_defs): New function.
11941 * df-core.c: Added comments to describe new artifical defs.
11942 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11943 (entry_block_defs): New field in struct df.
11944 (df_all_hard_regs): Deleted.
11945 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11946 * df-problems.c (df_ru_bb_local_compute_process_def):
11947 Added code to handle artifical defs in the entry to a function.
11948 (df_ru_bb_local_compute): Ditto.
11949 (df_rd_bb_local_compute_process_def): Ditto.
11950 (df_rd_bb_local_compute): Ditto.
11951 (df_lr_bb_local_compute): Ditto.
11952 (df_ur_bb_local_compute): Ditto.
11953 (df_urec_bb_local_compute): Ditto.
11954 (df_chain_create_bb): Ditto.
11955 (df_ur_local_finalize): Removed entry.
11956 (df_urec_init): Ditto.
11957 (df_urec_local_finalize): Ditto.
11958 (df_ri_bb_compute): Added detection of last use of pseudos.
11959 * Makefile.in (df-scan.o): Updated dependencies.
11960 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11961 * config/mips/mips.c (mips_set_live_on_entry): Added.
11962 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11964 * dce.c (marked_insn_p): Added code to handle artifical defs.
11966 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11968 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11970 (_mm_cvtsi128_si64): Likewise.
11971 (_mm_cvtsd_si64): Likewise.
11972 (_mm_cvttsd_si64): Likewise.
11973 (_mm_cvtsi64_sd): Likewise.
11974 (_mm_cvtsi64_si128): Likewise.
11975 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11976 (_mm_cvtsi64_m64): Likewise.
11977 (_m_to_int64): Likewise.
11978 (_mm_cvtm64_si64): Likewise.
11979 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11980 (_mm_cvttss_si64): Likewise.
11981 (_mm_cvtsi64_ss): Likewise.
11982 (_mm_cvtss_f32): Likewise.
11984 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11986 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11987 for pragma redefine_extname.
11989 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11992 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11993 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11994 -mno-minimal-toc to previous content.
11995 (bispecs): Remove goal.
11996 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11997 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11998 compatibility aliases on powerpc-*-*gnu*.
11999 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12000 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12001 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12002 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12003 (ldblspecs): New goal.
12004 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12005 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12007 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12008 L_sf_to_tf or L_df_to_tf is defined.
12010 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12011 Alan Modra <amodra@bigpond.net.au>
12014 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12015 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12016 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12017 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12018 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12019 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12020 (rs6000_override_options): Initialize rs6000_ieeequad.
12021 Initialize TFmode format to ibm_extended_format if not
12023 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12025 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12026 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12027 (function_arg_advance): IBM long double passed in two FPRs, not
12029 (function_arg): IBM long double passed in FPRs.
12030 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12031 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12032 Only multireg GPR aligned.
12033 (rs6000_init_libfuncs): Enable IBM long double functions if not
12035 (rs6000_generate_compare): Use IBM long double compare if not
12037 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12038 (TARGET_IEEEQUAD): Define.
12039 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12040 not TARGET_IEEEQUAD.
12041 * config/rs6000/rs6000.md: Enable TFmode patterns if
12043 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12044 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12045 and -mlong-double-128 are incompatible.
12046 * doc/invoke.texi (-mabi): Collect options together. Add
12047 ibmlongdouble and ieeelongdouble.
12049 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12051 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12053 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12054 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12055 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12056 * rtl.h (rtunion_def): Remove rt_ptr.
12058 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12059 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12060 * config/i386/winnt.c (i386_pe_mark_dllexport)
12061 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12063 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12065 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12067 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12071 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12072 pthread_key_delete. From John David Anglin. gthrw-ify
12073 pthread_getunique_np only if it it's not a macro. Delete
12075 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12076 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12077 __gthread_objc_condition_signal, __gthread_key_delete): Add
12078 "__attribute__ ((__unused__))" to unused arguments.
12079 (__gthread_recursive_mutex_init_function): Add missing return.
12080 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12081 gthr-posix95.h: Use macro-based approach for name redirection
12082 on targets missing weakref.
12084 2006-01-26 Zack Weinberg <zackw@panix.com>
12086 * genconditions.c (write_header): In generated code, #ifdef out
12087 all includes and fake declarations, except includes of bconfig.h
12088 and system.h, unless GCC_VERSION >= 3001. Do not include
12089 gensupport.h in any case.
12090 (write_conditions): Generate a definition of struct c_test. Add
12091 a comment to the generated #endif.
12092 (write_one_condition): Escape backslashes in string too.
12093 (write_writer): Generated code must escape backslashes and quote
12094 marks (but not newlines) in the strings it writes.
12095 * Makefile.in (build/gencondmd.o): Update dependencies.
12097 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12100 * Makefile.in (insn-automata.o): Add header file dependencies.
12101 * genautomata.c: Add includes.
12103 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12106 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12108 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12110 * configure.ac: Expect target tools paths to be passed from the toplevel
12111 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12113 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12115 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12118 * c.opt (Wpointer-sign): Init to -1.
12119 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12120 OPT_pedantic, to 0 otherwise.
12121 * doc/invoke.texi: Update.
12123 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12125 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12126 constants provided by 80387 instructions in the destination mode.
12128 2006-01-26 Richard Guenther <rguenther@suse.de>
12129 Andrew Pinski <pinskia@physics.uc.edu>
12132 partial PR tree-opt/17064
12133 * tree-ssa-structalias.c (intra_create_variable_infos):
12134 Create heap variables for incoming parameters if
12135 flag_argument_noalias > 1.
12136 (find_what_p_points_to): Look through default defs of
12139 2006-01-26 Jeff Law <law@redhat.com>
12142 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12143 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12144 within the VR_RANGE, use the VR_RANGE as the result, not the
12146 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12147 bounds for the type.
12149 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12151 * tree-ssa-alias.c (maybe_create_global_var): Change
12152 subvar walking to an assertion that we don't have subvar'd variables.
12154 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12157 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12158 Use a new variable, inner. PARM_DECLs are always non-weak.
12160 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12162 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12163 --disable-checking.
12165 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12167 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12169 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12171 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12172 (smax_insn, smin_insn, smax_0, smin_0): New.
12174 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12177 * config/cris/cris.c (cris_order_for_addsi3): New function.
12178 * config/cris/cris-protos.h: Prototype it.
12179 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12180 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12181 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12182 (split for "op.S1 [rx=rx+i],ry (swapped)")
12183 (split for "op(s|u).S1 [rx=rx+i],ry")
12184 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12185 Apply cris_order_for_addsi3 when generating addsi3 insns.
12187 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12189 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12190 (TREE_BLOCK): Add call to EXPR_CHECK.
12192 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12195 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12196 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12197 (dump_omp_clauses): ... here.
12198 (dump_generic_node): Handle OMP_CLAUSE.
12199 * tree.c (omp_clause_num_ops): New.
12200 (omp_clause_code_name): New.
12201 (tree_code_size): Handle OMP_CLAUSE.
12202 (tree_size): Likewise.
12203 (make_node): Document handling of OMP_CLAUSE.
12204 (tree_node_structure): Handle OMP_CLAUSE.
12205 (omp_clause_check_failed): New.
12206 (omp_clause_range_check_failed): New.
12207 (omp_clause_operand_check_failed): New.
12208 (build_omp_clause): New.
12209 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12210 * tree.h (enum omp_clause_code): Declare.
12211 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12212 (OMP_CLAUSE_RANGE_CHECK): Define.
12213 (OMP_CLAUSE_ELT_CHECK): Define.
12214 (omp_clause_check_failed): Declare.
12215 (omp_clause_operand_check_failed): Declare.
12216 (omp_clause_range_check_failed): Declare.
12217 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12218 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12219 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12220 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12221 (OMP_CLAUSE_IF_EXPR): Likewise.
12222 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12223 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12224 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12225 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12226 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12227 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12228 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12229 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12230 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12231 (OMP_CLAUSE_CODE): Define.
12232 (OMP_CLAUSE_SET_CODE): Define.
12233 (OMP_CLAUSE_CODE): Define.
12234 (OMP_CLAUSE_OPERAND): Define.
12235 (struct tree_omp_clause): Declare.
12236 (union tree_node): Add field 'omp_clause'.
12237 * treestruct.def (TS_OMP_CLAUSE): Define.
12238 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12239 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12240 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12241 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12242 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12243 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12244 (OMP_CLAUSE): Define.
12245 * print-tree.c (print_node): Handle OMP_CLAUSE.
12246 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12247 * c-typeck.c: Likewise.
12248 * gimplify.c: Likewise.
12249 * c-omp.c: Likewise.
12250 * tree-nested.c: Likewise.
12251 * tree-inline.c: Likewise.
12252 * c-parser.c: Likewise.
12253 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12256 2006-01-25 Roger Sayle <roger@eyesopen.com>
12258 PR rtl-optimization/25703
12259 * combine.c (try_combine): Handle zero_extract and strict_low_part
12260 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12262 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12264 * global.c: Fix comment typos.
12266 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12269 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12270 Use output_addr_const instead of assemble_name.
12272 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12274 * Makefile.in (sched-vis.o): Update dependencies.
12275 * haifa-sched.c (sched_finish): Clear current_sched_info.
12276 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12277 (dump_flow_info): Call it.
12278 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12280 * basic-block.h (dump_bb_info): Declare.
12281 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12282 option, and apply options only for dump files whose TDF_RTL,
12283 TDF_TREE, or TDF_IPA bits match.
12284 * rtl.h: Declare new functions exported from sched-vis.c.
12285 * sched-vis.c: Enable also if scheduling is not used.
12286 (print_value): Print the mode of registers if not inside scheduling.
12287 (print_insn): Make it work outside the scheduler. Beautify the output
12289 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12291 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12293 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12294 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12295 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12296 depending on the value of CONSTANT_POOL_ADDRESS_P.
12297 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12299 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12300 rather than SYMBOL_REF_DECL.
12301 (rtx_constant_pool): Remove const_rtx_sym_htab.
12302 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12303 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12304 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12305 Remove handling of const_rtx_sym_htab.
12306 (find_pool_constant): Delete.
12307 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12308 rather than find_pool_constant.
12309 (get_pool_constant_for_function): Delete.
12310 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12311 find_pool_constant.
12312 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12313 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12314 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12315 (SYMBOL_REF_CONSTANT): New macro.
12316 (get_pool_constant_for_function): Delete.
12317 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12318 rather than SYMBOL_REF_DECL.
12319 (i386_pe_mark_dllimport): Likewise.
12320 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12321 rather than SYMBOL_REF_DECL.
12322 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12323 (machopic_indirect_call_target): Likewise.
12325 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12327 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12329 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12331 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12333 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12335 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12337 2006-01-24 David Daney <ddaney@avtrex.com>
12340 * configure.ac (enable_tls): New enable option.
12341 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12342 * configure: Regenerate.
12343 * doc/install.texi (--enable-tls): Document new option.
12344 (--disable-tls): Ditto.
12346 2006-01-24 Richard Henderson <rth@redehat.com>
12348 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12349 * alias.c (true_dependence): Respect it.
12350 (canon_true_dependence, write_dependence_p): Likewise.
12351 * builtins.c (get_builtin_sync_mem): Set it.
12353 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12355 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12358 2006-01-24 DJ Delorie <dj@redhat.com>
12360 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12361 for storing constants in single-bit bitfields.
12363 2006-01-25 Ben Elliston <bje@au.ibm.com>
12365 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12367 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12370 * tree-ssa-pre.c (phi_translate): Return NULL
12371 for AGGREGATE_TYPE's.
12373 2006-01-24 Zack Weinberg <zackw@panix.com>
12375 * genautomata.c (process_state_for_insn_equiv_partition):
12376 Use xcalloc for insn_arcs_array.
12377 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12378 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12380 2006-01-24 Richard Henderson <rth@redhat.com>
12382 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12383 update all callers.
12385 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12387 PR rtl-optimization/25890
12388 PR rtl-optimization/25905
12389 * combine.c (expand_compound_operation, expand_field_assignment):
12390 Fail if the bitfield's final position is out of bounds.
12392 2006-01-24 Ian Lance Taylor <ian@airs.com>
12394 PR middle-end/25930
12395 * cgraphunit.c (cgraph_output_in_order): Don't clear
12396 cgraph_asm_nodes until after asm strings have been output.
12398 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12400 * fix-header.c (read_scan_file): Add new parameter imultilib when
12401 calling register_include_chains.
12403 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12405 * omp-low.c: Update documentation.
12407 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12408 Daniel Berlin <dberlin@dberlin.org>
12412 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12413 return from the function.
12415 2006-01-22 Zack Weinberg <zackw@panix.com>
12417 * rtl.def (match_code): Add second argument.
12418 * genpreds.c (write_extract_subexp): New function.
12419 (write_match_code): Add path argument. Use write_extract_subexp.
12420 (write_predicate_expr): Pass path to write_match_code.
12421 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12422 not perform a mode test.
12423 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12424 a subexpression does not constrain the top-level code set.
12425 * read-rtl.c (read_rtx_variadic): New function.
12426 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12427 * doc/md.texi: Document new notation.
12428 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12429 (cmpsi_operand): ... here, using new notation.
12431 2006-01-22 Zack Weinberg <zackw@panix.com>
12433 * varray.c: Remove GENERATOR_FILE #ifdefs.
12435 2006-01-22 Zack Weinberg <zackw@panix.com>
12437 * genautomata.c (output_reserved_units_table): Emit nothing if
12438 description->query_units_num is zero. Remove extra blank line.
12439 (output_cpu_unit_reservation_p): Short circuit
12440 if description->query_units_num is zero.
12442 2006-01-22 Zack Weinberg <zackw@panix.com>
12444 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12445 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12446 nor any of the random handful of variables that used to be necessary
12447 when this program was linked with rtlanal.o. Prune set of forward
12448 function declarations.
12449 (struct attr_desc): Remove static_p field.
12450 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12451 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12452 (attr_string): Do not read the character one past the length of
12454 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12455 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12456 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12457 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12458 (make_automaton_attrs): New.
12459 (main): Do not call into genautomata. Call local gen_bypass
12460 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12461 Remove special case for insn_alts.
12462 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12463 varray.h (leftover from previous change). Prune set of forward
12464 function declarations. Remove state_alts fields from all
12465 structures. Remove state_alts_table from struct automaton.
12466 Make everything except main static. Do not maintain num_dfa_decls.
12467 Do not maintain state_alts fields of various structures.
12468 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12469 (add_arc): Remove state_alts argument. All callers updated.
12470 (output_reserved_units_table): Emit #ifdef here...
12471 (output_tables): ...not here. Don't generate state_alts tables.
12472 (expand_automata): Don't generate attributes.
12473 (write_automata): Don't generate state_alts functions.
12474 (main): New function.
12475 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12476 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12477 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12478 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12479 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12480 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12481 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12482 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12484 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12485 * genattrtab.h: Delete file.
12486 * Makefile.in (OBJS-common): Add insn-automata.o.
12487 (insn-automata.o): New rule.
12488 (simple_generated_c): Add insn-automata.c.
12489 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12490 (genprogmd): Add automata.
12491 (build/genattrtab): Needs no extra objects nor libraries.
12492 (build/genautomata): Needs build/vec.o and -lm.
12494 2006-01-22 Zack Weinberg <zackw@panix.com>
12496 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12497 (output_dfa_max_issue_rate, locked_states_num): Delete.
12498 (struct automaton): Add locked_states field.
12499 (output_dead_lock_vect): Save number of locked states in
12500 automaton->locked_states. If it is zero, don't print anything.
12501 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12502 (output_internal_dead_lock_func): Only test the dead_lock_vect
12503 for automata that have locked states.
12504 (output_statistics): Always print the number of locked states for
12505 each automaton. Calculate total number of locked states here.
12506 (write_automata): Don't call output_dfa_max_issue_rate.
12507 * genattrtab.c: Define length_unit_log as a const variable.
12508 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12509 max_insn_queue_index const.
12510 * final.c (length_unit_log): Declare const.
12511 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12513 2006-01-22 Zack Weinberg <zackw@panix.com>
12515 * genautomata.c: Include vec.h, not varray.h.
12516 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12517 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12518 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12519 VEC_* macros operating on appropriately typed vectors, or to
12520 malloced arrays when the size is known in advance. Const-ify
12521 many char* variables and function arguments. No functional changes.
12522 * Makefile.in (build/varray.o): Delete rule.
12523 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12524 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12526 2006-01-22 Zack Weinberg <zackw@panix.com>
12528 * gensupport.c: Define get_insn_name and record_insn_name here.
12529 (read_md_rtx): Call record_insn_name as appropriate.
12530 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12531 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12532 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12534 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12535 (BUILD_VARRAY): Delete.
12536 (genprognormal): Rename genprogmd. Fold in all programs from
12537 genprognoprint; also attrtab.
12538 (build/genattrtab): Just mention genautomata.o and varray.o.
12539 Reorganize a bit, add comments to make the categories clearer.
12541 2006-01-22 Zack Weinberg <zackw@panix.com>
12543 * genconditions.c (condition_table, add_condition): Delete.
12544 (write_conditions): Don't emit n_insn_conditions nor
12545 insn_elision_unavailable. Issue the gcc version #ifdef here,
12546 inside the table, with no #else clause ...
12547 (write_header): ...not here.
12548 (write_writer): New function.
12549 (main): Don't initialize condition_table. Use add_c_test.
12551 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12552 files on the command line.
12553 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12554 Return -1 if there is no entry in the table, don't abort.
12555 (add_c_test, traverse_c_tests): New functions.
12556 * gensupport.h (insn_elision_unavailable, insn_conditions)
12557 (n_insn_conditions): Delete declarations.
12558 (add_c_test, traverse_c_tests): Declare.
12559 * read-rtl.c: Include gensupport.h.
12560 (read_conditions): New function.
12561 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12562 (read_rtx_1): If we get EOF when we were looking for an initial
12563 open paren, return 0. Call read_conditions when appropriate.
12564 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12565 dummy-conditions.o. Eliminate references to insn-conditions.o,
12566 or change them to build/gencondmd.o, as appropriate. Remove
12567 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12568 from $(simple_generated_c). For all files remaining in those
12569 two lists, add insn-conditions.md to the generator command line.
12570 Give insn-constants.h/s-constants their own rules. Add rules
12571 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12572 (build/read-rtl.o): Depend on gensupport.h.
12573 (genprognormal): Include preds.
12574 (genprogearly): Rename genprognoprint; only difference is now that
12575 they don't link with $(BUILD_PRINT).
12576 * dummy-conditions.c: Delete.
12578 2006-01-22 Zack Weinberg <zackw@panix.com>
12580 * genextract.c: Don't include insn-config.h. Do include vec.h.
12581 Declare vectors of int, char, and locstr.
12582 (locstr): New typedef.
12583 (struct extraction): Make all array fields into bare pointers.
12584 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12585 (insn_code_number): Delete.
12586 (accum_extract): New struct.
12587 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12588 (gen_insn): Take insn_code_number as an argument. Use an
12589 accum_extract structure instead of loading data directly into
12590 a struct extraction, and having to know how big it might get.
12591 (walk_rtx): Operate entirely on an accum_extract structure.
12592 (print_path): Avoid unnecessary use of printf.
12593 (print_header): New function, split out of main. Distinguish
12594 more carefully between an unrecognizable insn and an insn that
12595 has the code number of a define_expand.
12596 (main): Pass insn_code_number to gen_insn. Call print_header
12597 only after parsing. Avoid unnecessary use of printf.
12598 * Makefile.in (build/vec.o): New rule.
12599 (build/genextract): Depend on build/vec.o.
12600 (build/genextract.o): Don't depend on insn-config.h.
12602 2006-01-22 Zack Weinberg <zackw@panix.com>
12604 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12605 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12606 practical. Eliminate per-generator-program link rules.
12608 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12610 PR middle-end/24437
12611 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12612 with a call expr to ...
12613 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12615 2006-01-23 Richard Guenther <rguenther@suse.de>
12617 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12618 before make_edge with conditional EDGE_TRUE_VALUE.
12620 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12621 Jan Hubicka <jh@suse.cz>
12622 Richard Guenther <rguenther@suse.de>
12624 PR rtl-optimization/25654
12625 * cfgexpand.c (aggregate_contains_union_type): New function.
12626 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12627 for structure variables that contain a union type.
12629 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12631 * gengtype.c (new_structure): Return the structure.
12632 (create_option): Add an extra "next" argument.
12633 (create_field): New function.
12634 (adjust_field_rtx_def): Use create_option and create_field.
12635 Remove a now-unnecessary call to find_structure.
12636 (adjust_field_tree_def): Likewise.
12637 (note_yacc_type): Remove an unnecessary call to find_structure.
12638 * gengtype.h (new_structure): Return the structure.
12639 (create_option): Add an extra argument.
12640 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12641 (option): Adjust calls to create_option.
12643 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12645 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12647 2006-01-22 Paul Brook <paul@codesourcery.com>
12648 Peter Barada <peter@the-baradas.com>
12650 * config/m68k/m68k.md: Add Coldfire FPU support.
12651 Define FP mode macro and associated attributes.
12652 Use it for float mode patterns.
12653 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12654 (LIBCALL_VALUE): Use m68k_libcall_value.
12655 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12656 (m68k_function_value): Ditto.
12657 (emit_move_sequence): Ditto.
12658 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12659 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12660 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12661 (MULTILIB_EXCEPTIONS): Ditto.
12662 * config/m68k/m68k.opt: Add mcfv4e.
12663 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12664 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12665 (m68k_output_function_prologue): Save ColdFire FPU registers.
12666 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12667 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12668 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12669 ColdFire FPU registers.
12670 (m68k_libcall_value, m68k_function_value): New functions.
12671 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12672 (LIBCALL_VALUE): Use m68k_libcall_value.
12673 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12674 (MASK_COLDFIRE): Add MASK_CFV4E.
12675 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12676 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12677 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12678 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12679 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12680 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12681 * doc/invoke.tex: Document -mcfv4e on m68k.
12683 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12685 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12688 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12691 * c-opts.c (c_common_handle_option): Don't include
12692 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12693 * doc/invoke.texi (C++ Dialect Options): Document that
12694 -Wnon-virtual-dtor is no longer included in -Wall.
12696 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12698 * gcov.c (print_version), gcov-dump.c (print_version),
12699 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12702 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12704 * df-scan.c (problem_SCAN): Added NULL reset function.
12705 (df_scan_reset_blocks): Added code to call reset block function
12706 (df_bb_refs_delete) Fixed comment.
12707 (df_insn_refs_delete): Made tolerant of deleting non existent info
12708 for dataflow problems that need to be reset.
12709 * df-core.c (df_set_blocks): Ditto.
12710 * df.h (struct df_problem): Added reset_fun.
12711 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12712 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12713 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12714 functions to clear out all references to def-use or use-def chains.
12716 2006-01-21 Ben Elliston <bje@au.ibm.com>
12718 * varasm.c (assemble_real): Initialise data array.
12720 2006-01-20 Paul Brook <paul@codesourcery.com>
12722 Merge from csl-arm-branch.
12723 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12724 * config/arm/arm.md (movdi): Force operands[1] to a register
12725 if we have a non-register source.
12726 (*arm_movdi, *movdf_soft_insn): Require that one of the
12727 operands be a register.
12728 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12729 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12731 2006-01-20 DJ Delorie <dj@redhat.com>
12733 * varasm.c (initializer_constant_valid_p): Allow pointers
12734 initialized from integer constants of lesser precision.
12735 (output_constant): Allow non-int-sized pointer modes to be
12736 initialized from integer constants.
12738 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12741 * cppdefault.h (struct default_include): Add multilib flag.
12742 * cppdefault.c (cpp_include_defaults): Set it.
12743 * c.opt (-imultilib): New option.
12744 * c-opts.c (imultilib): New.
12745 (c_common_handle_option): Handle -imultilib.
12746 (c_common_post_options): Likewise.
12747 * c-incpath.c (add_standard_paths, register_include_chains):
12749 * c-incpath.h (register_include_chains): Add extra parameter.
12750 * gcc.c (do_spec_1): Generate -imultilib option.
12751 (The Specs Language): Update %I description.
12752 (process_command): Update copyright notice.
12753 * doc/cppopts.texi (-imultilib): Document.
12754 * doc/invoke.texi (-imultilib): Include in option summary.
12755 (%I): Update specs documentation.
12757 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12759 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12761 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12763 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12766 2006-01-20 Richard Guenther <rguenther@suse.de>
12767 Steven Bosscher <stevenb.gcc@gmail.com>
12769 PR rtl-optimization/24626
12770 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12771 EDGE_TRUE_VALUE if in RTL mode.
12774 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12775 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12777 2006-01-20 Dirk Mueller <dmueller@suse.com>
12780 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12781 instead of a special NOP marker.
12782 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12783 NOP marker handling.
12784 * c-common.h (empty_body_warning): Add forward declaration.
12785 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12786 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12788 2006-01-20 Paul Brook <paul@codesourcery.com>
12790 * Makefile.in (lang_checks): Keep going if mkdir fails.
12792 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12794 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12795 be able to clean out basic block when not necessary.
12796 (df_scan_free): Fixed to properly delete information if df is
12797 unused before calling df_finish.
12798 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12799 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12801 (df_bb_refs_delete): New function.
12802 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12803 * df-core.c (df_set_blocks): Added code to properly clean out
12804 unused blocks if they are not part of the blocks to consider.
12805 Added additional null check.
12806 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12807 be able to clean out basic block when not necessary
12808 * df.h (df_free_bb_function): Ditto.
12809 (df_bb_refs_delete): New function.
12810 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12811 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12812 basic block parameter to be able to clean out basic block when not
12814 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12815 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12816 Fixed to properly delete information if df is unused before
12819 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12821 PR rtl-optimization/25799
12822 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12823 Corrected confluence operator to remove bits from op2 before oring
12824 with op1 rather than removing bits from op1.
12825 (df_ru_transfer_function): Corrected test on wrong bitmap which
12826 caused infinite loop. Both of these problems were introduced in
12827 the dataflow rewrite.
12829 2006-01-19 DJ Delorie <dj@redhat.com>
12831 * reload1.c (find_reload_regs): Note the details of reload
12832 failures in the dump file.
12833 (spill_failure): Likewise.
12835 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12837 * loop-iv.c: Include df.h and hashtab.h.
12838 (enum iv_grd_result): New enum.
12839 (DF_REF_IV, DF_REF_IV_SET): New macros.
12840 (struct biv_entry): New.
12841 (df, bivs): New global variables.
12842 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12843 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12845 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12846 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12847 analyzed_for_bivness_p, record_biv): New functions.
12848 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12849 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12850 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12852 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12854 (iv_number_of_iterations): Use new interface to iv analysis.
12855 * loop-unroll.c: Do not include varray.h.
12856 (analyze_iv_to_split_insn): Use new interface to iv
12858 * loop-unswitch.c (may_unswitch_on): Ditto.
12859 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12861 (df_bb_modify): Realloc tables to the new index.
12862 (df_find_use): New function.
12863 * df.h (df_find_use): Declare.
12864 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12866 * cfgloop.h (struct rtx_iv): Remove analysed field.
12867 (iv_get_reaching_def): Removed.
12868 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12869 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12870 (loop-iv.o): Add df.h and hashtab.h dependency.
12871 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12873 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12876 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12878 (__floatundisf, __floatundidf): Likewise.
12879 * libgcc2.h (IS_IBM_EXTENDED): Define.
12881 2006-01-19 DJ Delorie <dj@redhat.com>
12883 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12885 2006-01-19 Paul Brook <paul@codesourcery.com>
12887 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12888 as nothrow when unwinding tables are disabled.
12890 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12893 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12894 of bit-field" when in system header.
12896 2006-01-19 DJ Delorie <dj@redhat.com>
12898 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12899 the 16 bit shift limit of the m16c.
12901 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12904 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12905 * config/i386/i386.c (output_set_got): Output the label if we have one
12906 for the TARGET_DEEP_BRANCH_PREDICTION case.
12908 2006-01-19 Jan Hubicka <jh@suse.cz>
12909 H.J. Lu <hongjiu.lu@intel.com>
12910 Evandro Menezes <evandro.menezes@amd.com>
12912 * invoke.texi (generic): Document
12914 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12915 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12916 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12917 (x86_use_incdec, x86_pad_returns): New variables
12918 (TARGET_CPU_DEFAULT_generic): New constant
12919 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12920 (enum processor_type): Add generic32 and generic64.
12921 * i386.md (cpu attribute): Add generic32/generic64
12922 (movhi splitter): Behave sanely when both partial_reg_dependency and
12923 partial_reg_stall are set.
12924 (K8 splitters): Enable for generic as well.
12925 * predicates.md (incdec_operand): Use TARGET_INCDEC
12926 (aligned_operand): Avoid memory mismatch stalls.
12927 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12928 * ppro.md: Enable for generic32
12929 * i386.c (generic64_cost, generic32_cost): New.
12930 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12931 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12932 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12933 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12934 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12935 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12936 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12937 x86_accumulate_outgoing_args, x86_prologue_using_move,
12938 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12939 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12940 Enable for generic.
12941 (x86_use_incdec, x86_pad_returns): New.
12942 (override_options): Add generic32 and generic64, translate "generic"
12943 to generic32/generic64 and "i686" to "generic32", refuse
12944 "generic32"/"generic64" as arch target.
12945 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12946 (ix86_reorg): Honor PAD_RETURNS.
12948 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12950 * tree-pretty-print.c (dump_generic_node): Handle
12951 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12952 * cgraph.c (cgraph_expand_queue): Rename from
12953 cgraph_analyze_queue. Update all users.
12954 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12955 cgraph_expand_queue.
12956 (cgraph_expand_all_functions): Likewise.
12957 (cgraph_finalize_pending_functions): Remove. Update callers.
12959 * tree.h (OMP_DIRECTIVE_P): Define.
12960 (OMP_PARALLEL_FN): Define.
12961 (OMP_PARALLEL_DATA_ARG): Define.
12962 (OMP_SECTIONS_SECTIONS): Define.
12963 * tree-pass.h (pass_expand_omp): Declare.
12964 * omp-low.c (struct omp_region): Declare.
12965 (struct omp_context): Remove fields 'parallel_type',
12966 'parallel_start_ix' and 'parallel_start_additional_args'.
12968 (struct omp_for_data): Rename from struct expand_omp_for_data.
12969 (omp_regions): New static variable.
12970 (root_omp_region): New static variable.
12971 (find_omp_clause): Make static.
12972 (is_in_combined_parallel_ctx): Remove.
12973 (is_combined_parallel): New.
12974 (extract_omp_for_data): Move earlier in the file.
12975 (workshare_safe_to_combine_p): New.
12976 (get_ws_args_for): New.
12977 (determine_parallel_type): Move earlier in the file.
12978 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12980 (omp_copy_decl): Likewise.
12981 (create_omp_child_function): Likewise.
12982 (lookup_omp_region): New.
12983 (dump_omp_region): New.
12984 (debug_omp_region): New.
12985 (debug_all_omp_regions): New.
12986 (new_omp_region): New.
12987 (scan_omp_parallel): If parallel_nesting_level > 1, the
12988 directive is nested within another parallel directive.
12989 Set OMP_PARALLEL_FN.
12990 (scan_omp_for): Do not try to handle combined parallel+for
12992 Remove FIXME comment.
12993 (scan_omp_nested): Remove.
12994 (scan_omp_1): Do not call scan_omp_nested when
12995 parallel_nesting_level is > 1.
12996 Do not change the DECL_CONTEXT of local variables found.
12997 (lookup_decl_in_outer_ctx): New.
12998 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12999 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13000 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13001 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13002 If CTX is nested, lookup VAR in the outer context when
13003 building copy assignment.
13004 (lower_send_clauses): Rename from expand_send_clauses.
13005 If CTX is nested, lookup VAR in the outer context when
13006 building copy assignments.
13007 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13008 If CTX is nested, lookup VAR in the outer context when
13009 building copy assignments.
13010 (expand_parallel_call): Rename from build_parallel_call.
13011 Handle combined parallel+workshare cases.
13012 Re-implement to emit code into the CFG.
13014 (expand_omp_parallel): Re-implement to emit code into the CFG.
13015 Call move_sese_region_to_fn to outline the sub-graph
13016 containing the parallel region.
13017 (expand_omp_for_1): Remove.
13018 (expand_omp_for_generic): Re-implement to emit code into the
13020 (expand_omp_for_static_nochunk): Likewise.
13021 (expand_omp_for_static_chunk): Likewise.
13022 (expand_omp_for): Likewise.
13023 (expand_omp_sections): Likewise.
13024 (remove_exit_barriers): New.
13025 (expand_omp_synch): New.
13027 (build_omp_regions_1): New.
13028 (build_omp_regions): New.
13029 (execute_expand_omp): New.
13030 (gate_expand_omp): New.
13031 (pass_expand_omp): Define.
13032 (lower_omp_sections): Rename from expand_omp_sections.
13033 Set OMP_SECTIONS_SECTIONS.
13034 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13035 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13036 (lower_omp_single): Rename from expand_omp_simple.
13037 (lower_omp_master): Rename from expand_omp_master.
13038 (lower_omp_ordered): Rename from expand_omp_ordered.
13039 (lower_omp_critical): Rename from expand_omp_critical.
13040 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13041 (lower_omp_for): Re-implement.
13042 (lower_omp_parallel): Re-implement.
13043 (lower_regimplify): Rename from expand_regimplify.
13044 (lower_omp_1): Rename from expand_omp_1.
13045 If there are syntax errors in the program, replace every
13046 OpenMP directive with NOP.
13047 Call lower_omp_* instead of expand_omp_*.
13048 (lower_omp): Rename from expand_omp.
13050 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13051 * tree-gimple.h (enum omp_parallel_type): Remove.
13052 (gimple_boolify): Declare extern.
13053 (find_omp_clause, determine_parallel_type): Remove.
13055 * gimple-low.c (lower_omp_directive): New.
13056 (lower_stmt): Call it.
13057 (record_vars_into): Move from ...
13058 (record_vars): ... here.
13059 Call record_vars_into with current_function_decl.
13061 * gimplify.c (struct gimplify_ctx): Remove fields
13062 combined_pre_p and combined_ctxp. Update users.
13063 (get_formal_tmp_var): Add documentation.
13064 (gimple_boolify): Make extern.
13065 (gimplify_expr_in_ctx): Remove. Update callers.
13066 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13067 will always be a BIND_EXPR.
13068 (gimplify_expr): Handle OMP_RETURN_EXPR.
13069 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13070 (OMP_PARALLEL): Add 3 operands.
13071 (OMP_SECTIONS): Add 1 operand.
13072 (OMP_RETURN_EXPR): Define.
13074 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13075 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13076 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13077 creating a circular free list.
13078 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13080 * tree-flow.h (move_sese_region_to_fn): Declare.
13081 (record_vars_into): Declare.
13082 * tree-cfg.c (make_omp_sections_edges): New.
13083 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13084 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13085 OMP_SECTIONS and OMP_SECTION.
13086 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13087 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13088 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13089 (gather_blocks_in_sese_region): New.
13090 (struct move_stmt_d): Declare.
13091 (move_stmt_r): New.
13092 (move_block_to_fn): New.
13093 (move_sese_region_to_fn): New.
13095 * passes.c (init_optimization_passes): Schedule
13096 pass_expand_omp after pass_init_datastructures.
13098 * tree-ssa-operands.c (get_expr_operands): Handle
13099 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13100 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13102 2006-01-19 Jeff Law <law@redhat.com>
13104 * tree-vrp.c (extract_range_from_assert): Refine the result range
13105 if the variable referenced by the ASSERT_EXPR has a range and
13106 either the tentative result range or the previous range is a
13109 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13111 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13113 2006-01-19 Jan Hubicka <jh@suse.cz>
13115 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13117 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13119 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13120 (expand_compound_operation, expand_field_assignment): Fail if the
13121 bit lengths of an extract operation are out of range.
13122 (make_extraction): Compute wanted_inner_mode based on the position
13123 and length of the extraction. Make it extraction_mode for non-constant
13124 positions, and do not modify offset in that case. When generating a
13125 new MEM, use a mode that can hold the extraction while keeping correct
13126 alignment. Remove code that supported MEMs wrapped by USEs.
13127 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13129 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13131 * config/s390/s390.md ("Y", "y"): New mode attribute.
13132 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13133 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13134 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13135 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13136 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13137 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13138 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13139 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13140 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13141 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13142 "addsi3", "subsi3"): Insn patterns removed.
13143 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13144 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13145 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13146 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13147 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13148 "*sub<mode>3_cconly2"): New insn patterns.
13149 ("addsi3", "subsi3"): New expanders.
13151 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13153 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13154 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13155 existing STMT_VINFO_VECTYPE if available.
13156 (vect_mark_relevant): Add special handling for stmts that are
13157 marked as STMT_VINFO_IN_PATTERN_P.
13158 (vect_analyze_loop): Call vect_pattern_recog.
13159 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13160 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13162 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13163 (vect_recog_func_ptr): New function-pointer type.
13164 * tree-vect-patterns.c: New file.
13165 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13166 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13167 (vect_pattern_recog_1): New functions.
13168 (vect_pattern_recog_funcs): New array of function pointers.
13170 * tree-vectorizer.h (ternary_op): New enum value.
13171 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13172 declaration. Revised documentation. Removed redundant dump prints.
13173 Removed redundant argument. Added support for reduction patterns.
13174 (vectorizable_reduction): Added support for reduction patterns.
13175 (vect_transform_stmt): Added support for patterns.
13177 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13178 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13179 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13180 (expand_widen_pattern_expr): New function.
13181 (init_optabs): Initialize new optabs udot_prod_optab,
13183 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13184 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13185 (expand_widen_pattern_expr): New function declaration.
13186 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13188 * tree-inline.c (estimate_num_insns_1): Added cases for new
13189 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13190 * tree-pretty-print.c (dump_generic_node): Likewise.
13191 (op_prio): Likewise.
13192 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13193 * tree-ssa-operands.c (get_expr_operands): Added case for
13195 * tree-vect-patterns.c (widened_name_p): New function.
13196 (vect_recog_dot_prod_pattern): Added function implementation.
13197 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13198 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13199 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13200 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13202 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13203 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13204 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13205 (init_optabs): Initialize new optabs widen_ssum_optab,
13207 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13208 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13209 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13210 use instead of type of def.
13211 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13212 function implementation.
13213 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13214 widen_ssumv8hi): New.
13216 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13219 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13222 * c-decl.c (add_flexible_array_elts_to_size): New function.
13223 (finish_decl): Use it.
13225 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13227 * diagnostic.h: Include options.h.
13228 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13229 dependancies for diagnostic.h.
13230 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13232 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13234 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13235 (ssa_ro_call_cache_valid): Ditto.
13236 * tree-ssa-alias.c (sort_tags_by_id): New function.
13237 (init_transitive_clobber_worklist): Ditto.
13238 (add_to_worklist): Ditto.
13239 (mark_aliases_call_clobbered): Ditto.
13240 (compute_tag_properties): Ditto.
13241 (set_initial_properties): Ditto.
13242 (compute_call_clobbered): Ditto.
13243 (compute_may_aliases): Call compute_call_clobbered and grouping.
13244 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13245 (compute_flow_insensitive_aliasing): Grouping now happens in our
13247 (setup_pointers_and_addressables): Remove clobbering related code.
13248 (add_may_alias): Ditto.
13249 (replace_may_alias): Ditto.
13250 (get_nmt_for): Ditto.
13251 (create_global_var):
13252 (is_escape_site): Return an escape_type enumeration.
13253 * tree-flow-inline.h (is_call_clobbered): Global var does not
13254 imply call clobbered.
13255 (mark_call_clobbered): Take a reason for marking this. Remove
13256 marking of globalness, and cache invalidation.
13257 (clear_call_clobbered): Remove cache invalidation code.
13258 * tree-dfa.c (dump_variable): If details is on, dump the reason
13260 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13262 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13263 (struct var_ann_d): Ditto.
13264 (enum escape_type): New.
13265 (mark_call_clobbered): Adjust prototype.
13266 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13267 are never call clobbered.
13268 Record reasons for escaping.
13269 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13270 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13271 (ssa_ro_call_cache_valid): Ditto.
13272 (clobbered_v_may_defs): Ditto.
13273 (clobbered_vuses): Ditto.
13274 (ro_call_vuses): Ditto.
13275 (clobber_stats): New.
13276 (init_ssa_operands): Zero out clobber stats.
13277 (fini_ssa_operands): Print out clobber stats.
13278 (get_call_expr_operands): Pass callee fndecl to
13279 add_call_read_ops).
13280 (add_call_clobber_ops): Remove use of cache.
13281 Add use of PURE_CONST information.
13282 (add_call_read_ops): Remove use of cache.
13283 Add use of static not_read information.
13285 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13287 Introduce TLS descriptors for i386 and x86_64.
13288 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13289 (TARGET_ANY_GNU_TLS): New macro.
13290 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13291 (struct machine_function): Add tls_descriptor_call_expanded_p.
13292 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13293 (ix86_current_function_calls_tls_descriptor): Likewise.
13294 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13295 (override_options): Introduce gnu2 tls dialect.
13296 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13298 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13300 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13301 (ix86_init_machine_status): Initialize new field.
13302 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13303 (ix86_tls_module_base): New.
13304 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13305 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13306 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13307 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13308 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13309 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13310 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13311 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13312 * config/i386/predicates.md (tls_modbase_operand): New.
13313 (tp_or_register_operand): New.
13315 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13317 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13318 (look_for_address_of): Ditto.
13319 (ipa_init): Walk the function decls.
13320 (static_execute): Don't set readonly on FUNCTION_DECL's.
13322 2006-01-18 Roger Sayle <roger@eyesopen.com>
13324 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13325 for shifts where the source and destination registers are different.
13327 2006-01-18 Paul Brook <paul@codesourcery.com>
13329 Merge from csl-arm-branch.
13330 2005-03-14 Julian Brown <julian@codesourcery.com>
13331 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13332 (aeabi_llsl): Likewise.
13333 (ashrdi3): Likewise.
13334 (aeabi_lasr): Likewise.
13335 (lshrdi3): Likewise.
13336 (aeabi_llsr): Likewise.
13337 2005-03-10 Julian Brown <julian@codesourcery.com>
13338 * config.gcc: Disable shared libgcc for SymbianOS.
13339 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13341 2006-01-18 DJ Delorie <dj@redhat.com>
13343 * c-pragma.c (handle_pragma_diagnostic): New.
13344 (init_pragma): Register it.
13345 * doc/extend.texi: Document it.
13347 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13348 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13349 (diagnostic_context): Add classify_diagnostic[].
13350 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13351 as errors if they're overridden to DK_WARNING.
13352 (diagnostic_initialize): Initialize classify_diagnostic[].
13353 (diagnostic_set_kind_override): New.
13354 (diagnostic_report_diagnostic): Check for kind changes.
13355 * opts.c (common_handle_option): Take lang_mask. Update callers.
13356 Handle OPT_Werror_.
13357 * common.opt (Werror=): New.
13358 * doc/invoke.texi: Document -Werror=*
13360 2006-01-18 Jeff Law <law@redhat.com>
13362 * tree-vrp.c (test_for_singularity): Correct test for new
13363 min limit. Use operand_equal_p rather than pointer equality
13364 for testing if new min/max values are equal.
13366 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13367 using range information until after propagation and folding.
13369 2006-01-18 Richard Henderson <rth@redhat.com>
13370 Aldy Hernandez <aldyh@redhat.com>
13371 Jakub Jelinek <jakub@redhat.com>
13372 Diego Novillo <dnovillo@redhat.com>
13374 * omp-low.c: New file.
13375 * c-omp.c: New file.
13377 2006-01-18 Richard Henderson <rth@redhat.com>
13378 Jakub Jelinek <jakub@redhat.com>
13379 Diego Novillo <dnovillo@redhat.com>
13381 * doc/invoke.texi: Document -fopenmp.
13382 * tree-dump.h (debug_function): Declare.
13383 * hooks.c (hook_bool_tree_bool_false): New function.
13384 (hook_tree_tree_null): Remove.
13385 (hook_tree_tree_tree_null): New.
13386 * hooks.h: Update to match.
13387 * tree-pretty-print.c (debug_tree_chain): New.
13388 (print_generic_expr): Handle TDF_CHAIN.
13389 (dump_generic_node): Handle BLOCK.
13390 Do not abort with incomplete SWITCH_EXPRs.
13391 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13392 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13393 print space after directive name.
13394 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13395 Handle OMP_MASTER and OMP_ORDERED.
13396 Handle printing of OMP_BODY just in one place, goto
13397 dump_omp_body in the rest of OMP_* nodes that have
13399 Don't handle clause nodes here. Update omp statements to
13400 use dump_omp_clauses.
13401 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13402 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13403 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13404 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13405 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13406 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13407 Adjust output for GOMP_PARALLEL.
13408 (dump_omp_clauses): New.
13409 (print_declaration): Dump DECL_VALUE_EXPR.
13410 (op_symbol_1): Split out of op_symbol.
13411 (dumping_stmts): Remove. Update all users.
13412 * cgraph.c (cgraph_analyze_queue): New.
13413 (cgraph_add_new_function): New.
13414 * cgraph.h (cgraph_analyze_queue): Declare.
13415 (cgraph_add_new_function): Declare.
13416 (cgraph_lower_function): Remove.
13417 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13418 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13419 and TYPE_P nodes in its default clause.
13420 (empty_body_p): New.
13421 (tree_range_check_failed): New.
13422 (build5_stat): New.
13423 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13424 OMP_CLAUSE_REDUCTION_MERGE,
13425 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13426 OMP_CLAUSE_PRIVATE_DEBUG,
13427 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13428 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13429 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13430 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13431 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13432 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13433 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13434 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13435 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13436 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13437 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13438 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13439 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13440 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13441 (TREE_RANGE_CHECK): New.
13442 (empty_body_p): Declare.
13443 (enum omp_clause_default_kind): New.
13444 (build_string_literal): Declare.
13445 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13446 (build5_stat, build5): Declare.
13447 * tree-pass.h (TDF_CHAIN): Define.
13448 * tree-pass.h (PROP_gimple_lomp): Define.
13449 (pass_lower_omp): Declare.
13450 * diagnostic.h (debug_tree_chain): Declare.
13451 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13453 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13454 * builtins.c (build_string_literal): Make extern.
13455 * gcc.c (include_spec_function): New.
13456 (static_spec_functions): Add it.
13457 (main): Move load of libgomp.spec ...
13458 (LINK_COMMAND_SPEC): ... here.
13459 (link_gomp_spec): New.
13460 (static_specs): Include it.
13461 (LINK_COMMAND_SPEC): Add link_gomp.
13462 (GOMP_SELF_SPECS): New.
13463 (driver_self_specs): Include it.
13464 (switch_matches): Don't mark inline.
13465 (main): Load libgomp.spec.
13466 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13467 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13468 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13469 * tree-gimple.h (enum omp_parallel): Declare.
13470 (determine_parallel_type): Declare.
13471 (omp_firstprivatize_variable): Declare.
13472 (omp_reduction_init): Declare.
13473 (diagnose_omp_structured_block_errors): Declare.
13474 (struct walk_stmt_info): Add want_return_expr.
13475 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13476 (find_omp_clause): Declare.
13477 (insert_field_into_struct): Declare.
13478 (struct walk_stmt_info): Move from tree-nested.c
13479 (walk_stmts): Declare.
13480 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13482 * cgraphunit.c (cgraph_lower_function): Make static.
13483 (cgraph_finalize_pending_functions): New.
13484 (cgraph_finalize_function): Call it.
13485 (cgraph_finalize_compilation_unit): Likewise.
13486 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13487 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13488 (BT_FN_UINT_UINT): New.
13489 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13490 DEF_FUNCTION_TYPE_VAR_4): Document.
13491 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13492 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13493 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13494 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13495 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13496 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13497 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13498 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13499 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13500 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13501 into separate files.
13502 (DEF_GOMP_BUILTIN): New.
13503 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13504 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13505 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13506 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13507 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13508 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13509 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13510 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13511 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13512 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13513 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13514 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13515 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13516 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13517 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13518 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13519 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13520 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13521 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13522 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13523 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13524 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13525 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13526 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13527 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13528 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13529 * sync-builtins.def: New file, moved from builtins.def.
13530 * omp-builtins.def: New file, moved from builtins.def.
13531 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13532 * gimple-low.c (lower_function_body): Clear data.
13533 (lower_stmt): Do not handle COMPOUND_EXPR.
13534 Remove call to print_node_brief.
13535 * c-tree.h (c_finish_omp_clauses): New prototype.
13536 (C_DECL_THREADPRIVATE_P): Define.
13537 (lookup_name_no_remap, c_omp_remap_private): Remove
13538 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13539 (check_for_loop_decls): Update decl.
13540 (lookup_name_no_remap, c_omp_remap_private): Declare.
13541 (build_indirect_ref, build_modify_expr, pushdecl,
13542 pushdecl_top_level): Move to c-common.h.
13543 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13544 before the switch, but just in the 2 places that need it.
13545 * c-decl.c (diagnose_mismatched_decls): Do not check for
13546 mismatched thread-local attributes when OLDDECL is marked
13547 threadprivate and NEWDECL has no thread-local attributes.
13548 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13549 (c_gimple_diagnostics_recursively): Rename from
13550 c_warn_unused_result_recursively. Invoke
13551 diagnose_omp_structured_block_errors.
13552 (check_for_loop_decls): Return a singular decl found.
13553 * langhooks.c (lhd_omp_predetermined_sharing): Return
13554 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13555 (lhd_omp_firstprivatize_type_sizes): New.
13556 (lhd_omp_assignment): New.
13557 (lhd_omp_predetermined_sharing): New.
13558 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13559 (struct lang_hooks_for_types): Add
13560 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13561 omp_predetermined_sharing, omp_disregard_value_expr,
13562 omp_private_debug_clause, omp_clause_default_ctor,
13563 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13564 (c_finish_omp_clauses): New.
13565 (c_finish_bc_stmt): Diagnose break within omp for.
13566 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13567 (build_unary_op): Return error_mark after reporting
13569 (build_modify_expr): Likewise.
13570 * gimplify.c: Include optabs.h and pointer-set.h.
13571 (enum gimplify_omp_var_data): Declare.
13572 (struct gimplify_omp_ctx): Declare.
13573 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13575 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13576 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13577 (splay_tree_compare_decl_uid): New.
13578 (new_omp_context): New.
13579 (delete_omp_context): New.
13580 (gimple_add_tmp_var): Call omp_add_variable.
13581 (gimplify_bind_expr): Likewise.
13582 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13583 true, disregard DECL_VALUE_EXPR on the decl if any.
13584 (gimplify_expr_in_ctx): New.
13585 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13586 omp_add_variable, omp_notice_variable, omp_is_private
13587 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13588 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13589 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13590 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13591 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13592 gimplify_omp_atomic): New.
13593 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13594 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13595 OMP_CRITICAL and OMP_ATOMIC.
13596 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13597 * c-pragma.h (enum pragma_kind): Add
13598 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13599 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13600 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13601 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13602 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13603 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13604 PRAGMA_OMP_THREADPRIVATE.
13605 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13606 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13607 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13608 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13609 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13610 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13611 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13612 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13613 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13614 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13615 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13616 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13617 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13619 (struct nesting_info): Add field_map,
13620 suppress_expansion, debug_var_chain.
13621 (create_nesting_tree): Initialize them.
13622 (lookup_field_for_decl): Use field_map.
13623 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13624 (convert_local_omp_clauses): New.
13625 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13626 (walk_body): Split out of walk_function.
13627 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13628 (convert_nonlocal_reference): Handle omp statements.
13629 (convert_local_reference): Likewise.
13630 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13631 (unnest_nesting_tree): New.
13632 (lower_nested_functions): Call it.
13633 (insert_field_into_struct): Make extern.
13634 (struct walk_stmt_info): Move to tree-gimple.h.
13635 (walk_stmts): Make extern.
13636 * omp-builtins.def: New file.
13637 * tree-iterator.c (expr_only): Clarify comment.
13638 * c-common.h (pushdecl_top_level, pushdecl,
13639 build_modify_expr, build_indirect_ref,
13640 c_finish_omp_master, c_finish_omp_critical,
13641 c_finish_omp_ordered, c_finish_omp_barrier,
13642 c_finish_omp_atomic, c_finish_omp_flush,
13643 c_finish_omp_for, c_split_parallel_clauses,
13644 omp_clause_default_kind, c_omp_sharing_predetermined,
13645 c_omp_remap_decl): Declare.
13646 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13647 (OBJS-common): Add omp-low.o.
13648 (c-omp.o, omp-low.o): Add.
13649 (gimplify.o): Add dependency on $(OPTABS_H).
13650 (GTFILES): Add omp-low.c.
13651 (gt-stringpool.h): Add.
13652 * tree-cfg.c (set_bb_for_stmt): Do not update the
13653 block-to-labels map if we are currently expanding to RTL.
13654 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13656 Handle IDENTIFIER_NODE.
13657 (tree_verify_flow_info): Do not ICE when emitting error
13658 messages about invalid labels.
13659 (dump_function_to_file): Reset CFUN before emitting the body
13661 (debug_function): New.
13662 * passes.c (init_optimization_passes): Schedule
13664 * langhooks-def.h (lhd_omp_predetermined_sharing,
13665 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13667 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13668 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13669 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13670 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13671 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13672 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13673 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13674 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13675 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13676 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13677 (LANG_HOOK_DECLS): Use them.
13679 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13680 Richard Henderson <rth@redhat.com>
13681 Jakub Jelinek <jakub@redhat.com>
13682 Diego Novillo <dnovillo@redhat.com>
13684 * c-parser.c (pragma_omp_clause): Define.
13685 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13686 (c_parser_compound_statement): Likewise.
13687 (c_parser_statement): Likewise.
13688 (c_parser_pragma): Handle omp pragmas.
13689 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13690 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13691 (c_parser_omp_clause_name, check_no_duplicate_clause,
13692 c_parser_omp_variable_list,
13693 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13694 c_parser_omp_clause_copyprivate,
13695 c_parser_omp_clause_default,
13696 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13697 c_parser_omp_clause_lastprivate,
13698 c_parser_omp_clause_nowait,
13699 c_parser_omp_clause_num_threads,
13700 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13701 c_parser_omp_clause_reduction,
13702 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13703 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13704 c_parser_omp_atomic, c_parser_omp_barrier,
13705 c_parser_omp_critical, c_parser_omp_flush,
13706 c_parser_omp_for_loop, c_parser_omp_for,
13707 c_parser_omp_master, c_parser_omp_ordered,
13708 c_parser_omp_sections_scope, c_parser_omp_sections,
13709 c_parser_omp_parallel, c_parser_omp_single,
13710 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13711 * c-pragma.c (init_pragma): Do omp pragma registration here.
13712 * c.opt (fopenmp): New flag.
13714 2006-01-18 Eric Christopher <echristo@apple.com>
13716 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13717 * config/darwin.h (GOMP_SELF_SPECS): Define.
13719 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13721 * rtl.h: Remove the prototype for reg_alloc.
13723 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13726 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13727 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13728 sjlj and dwarf2 exception handling.
13729 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13730 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13731 * pa/pa.c (function_value): Treat complex and vector types as
13733 (function_arg): Likewise. Only pass scalar floats in the floating
13734 point argument registers.
13735 * pa/t-slibgcc-dwarf-ver: New file.
13736 * pa/t-slibgcc-sjlj-ver: New file.
13737 * pa/t-slibgcc-elf-ver: Delete file.
13739 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13741 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13742 unlikely_test_section_p test.
13744 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13746 * mode-switching.c (optimize_mode_switching): Make it static.
13747 * basic-block.h: Remove the prototype for
13748 optimize_mode_switching.
13750 * modulo-sched.c (sms_schedule): Make it static.
13751 * rtl.h: Remove the prototype for sms_schedule.
13753 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13754 * rtl.h: Remove the prototype for gcse_after_reload_main.
13756 * reg-stack.c (reg_to_stack): Make it static.
13757 * rtl.h: Remove the prototype for reg_to_stack.
13759 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13761 * rtl.h: Remove the prototypes for regrename_optimize and
13762 copyprop_hardreg_forward.
13764 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13766 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13767 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13768 Test against the appropriate null constant for the mode.
13769 If 'fixup_overlap' is true, swap the operands if they overlap.
13770 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13771 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13772 alpha_split_tmode_pair and adjust for above change.
13773 * config/alpha/alpha.md (movtf_internal): Adjust call to
13774 alpha_split_tfmode_pair and rely on it to swap the operands.
13775 (movti_internal): New insn and post-reload splitter.
13776 (movti): New expander.
13778 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13780 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13783 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13785 * rtlanal.c (global_reg_mentioned_p_1,
13786 global_reg_mentioned_p): Remove.
13787 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13789 * flow.c (initialize_uninitialized_subregs): Make it static.
13790 * rtl.h: Remove the prototype for
13791 initialize_uninitialized_subregs.
13793 * function.c (instantiate_virtual_regs): Make it static.
13794 * function.h: Remove the prototype for
13795 instantiate_virtual_regs.
13797 * regmove.c (regmove_optimize, combine_stack_adjustments):
13799 * rtl.h: Remove the prototypes for regmove_optimize and
13800 combine_stack_adjustments.
13802 2006-01-17 Roger Sayle <roger@eyesopen.com>
13804 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13805 (size_cost): Encode costs in bytes so that a reg-reg addition is
13806 equivalent to COSTS_N_INSNS(1).
13807 (override_options): Use the size_cost.branch_cost as the default
13808 ix86_branch_cost when optimizing for size.
13810 2006-01-18 Ben Elliston <bje@au.ibm.com>
13812 * Makefile.in (D32PBIT_FUNCS): New.
13813 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13814 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13815 D64PBIT_FUNCS and D128PBIT_FUNCS.
13816 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13817 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13819 (decnumber_dep): Define.
13820 * doc/libgcc.texi (Decimal float library routines): New node.
13821 * config/dfp-bit.h, config/dfp-bit.c: New files.
13823 2006-01-18 Ben Elliston <bje@au.ibm.com>
13825 * expr.c (emit_move_change_mode): Always adjust addresses, not
13826 just during reload. Copy replacements only during reload.
13827 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13828 emit_move_via_integer.
13830 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13832 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13833 instead of $(srcdir) and ${srcdir}.
13835 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13838 PR middle-end/11135
13839 * arm.h (struct machine_function): Add pic_reg.
13840 * arm.c (arm_pic_register): Make unsigned.
13841 (arm_override_options): Only set arm_pic_register if
13842 TARGET_SINGLE_PIC_BASE.
13843 (use_return_insn): Only test for a pic register if it is fixed.
13844 (arm_compute_save_reg0_reg12_mask): Likewise.
13845 (thumb_compute_save_reg_mask): Likewise.
13846 (legitimate_pic_operand): Factor out some known invariants.
13847 (legitimize_pic_address): If we don't have a fixed pic register,
13848 then set up a pseudo in the function entry sequence. Handle the
13849 pic base being in a pseudo.
13850 (arm_load_pic_register): Handle the pic register being in a pseudo.
13851 (arm_expand_prologue): Only set up the pic register if it is fixed.
13852 (thumb_expand_prologue): Likewise.
13853 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13854 (pic_load_addr_based_insn): Likewise.
13855 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13858 2006-01-18 Ben Elliston <bje@au.ibm.com>
13860 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13861 decimal float modes for all floating point registers.
13863 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13864 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13866 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13869 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13870 even when the pointer is not NULL.
13872 2006-01-16 Ian Lance Taylor <ian@airs.com>
13874 * common.opt (ftoplevel-reorder): New option.
13875 * cgraph.c (cgraph_asm_nodes): New global variable.
13876 (cgraph_asm_last_node): New static variable.
13877 (cgraph_order): New global variable.
13878 (cgraph_create_node): Set new order field.
13879 (cgraph_varpool_node): Likewise.
13880 (decide_is_variable_needed): Return true if not
13881 flag_toplevel_reorder.
13882 (cgraph_add_asm_node): New function.
13883 * cgraph.h (struct cgraph_node): Add order field.
13884 (struct cgraph_varpool_node): Add order field.
13885 (struct cgraph_asm_node): Define.
13886 (cgraph_asm_nodes, cgraph_order): Declare.
13887 (cgraph_add_asm_node): Declare.
13888 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13890 (cgraph_varpool_assemble_pending_decls): Call it.
13891 (cgraph_output_pending_asms): New static function.
13892 (cgraph_finalize_compilation_unit): Call it.
13893 (struct cgraph_order_sort): Define.
13894 (cgraph_output_in_order): New static function.
13895 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13896 !flag_toplevel_reorder case.
13897 * c-parser.c: Include "cgraph.h".
13898 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13900 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13901 than -fno-unit-at-a-time.
13902 * doc/invoke.texi (Option Summary): Mention
13903 -fno-toplevel-reorder.
13904 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13905 -funit-at-a-time documentation.
13907 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13908 Kazu Hirata <kazu@codesourcery.com>
13910 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13912 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13914 * Makefile.in (FUNCTION_H): New. Use it instead of
13915 function.h throughout the file.
13916 * function.h: Include tree.h.
13918 2006-01-17 Ben Elliston <bje@au.ibm.com>
13920 * recog.c: Separate some functions with whitespace.
13922 2006-01-16 Richard Henderson <rth@redhat.com>
13924 Merge from gomp branch:
13925 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13926 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13927 and rename from struct inline_data. Rename callee* to dst*;
13928 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13929 transform_new_cfg, transform_return_to_modify, and
13930 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13932 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13933 (copy_decl_for_dup): Remove.
13934 * tree-inline.c (struct inline_data): Move to header.
13935 (insert_decl_map): Export.
13936 (remap_decl): Update for member name changes. Use copy_decl hook.
13937 Allow for replacement to be a non-decl. Remove dead code.
13938 (remap_type_1): Check for existing mapping.
13939 (remap_type): Export.
13940 (remap_decls): Update for member name changes.
13941 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13942 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13943 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13944 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13945 (tree_function_versioning, build_duplicate_type): Likewise.
13946 (copy_body_r): Likewise. Export.
13947 (copy_decl_for_dup): Split into ...
13948 (copy_decl_for_dup_finish, copy_decl_to_var,
13949 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13950 (replace_ref_tree, inlining_p): Remove.
13952 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13954 * ifcvt.c (if_convert): Make it static.
13955 * rtl.h: Remove the prototype for if_convert.
13957 * local-alloc.c (local_alloc): Make it static.
13958 * rtl.h: Remove the prototype for local_alloc.
13960 * loop.c (loop_optimize): Make it static.
13961 * cfgloop.h: Remove the prototype for loop_optimize.
13964 2006-01-16 DJ Delorie <dj@redhat.com>
13966 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13969 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13971 * pa.md: Disparage copies between general and floating-point registers
13972 in 32-bit move patterns.
13974 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13977 * Makefile.in (check-%): Depend on site.exp instead of
13978 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13981 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13983 * global.c (global_alloc): Make it static.
13984 * rtl.h: Remove the prototype for global_alloc.
13986 2006-01-16 Richard Guenther <rguenther@suse.de>
13988 * tree-ssa-alias.c (struct used_part): Add write_only field.
13989 (get_or_create_used_part_for): Initialize it to true.
13990 (create_overlap_variables_for): Don't create structure variables
13991 for structures that only are written to.
13992 (find_used_portions): Handle MODIFY_EXPR to track whether a
13993 structure is only written to.
13995 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13997 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13999 * basic-block.h: Remove the prototype for
14000 partition_hot_cold_basic_blocks.
14002 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14004 * cppspec.c (lang_specific_spec_functions): Remove.
14005 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14006 * gcc.h (lang_specific_spec_functions): Remove.
14007 * gccspec.c (lang_specific_spec_functions): Remove.
14009 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14011 * combine.c (record_value_for_reg): Invalidate registers
14013 (record_dead_and_set_regs_1): Likewise, by passing them to
14014 record_value_for_reg.
14015 (record_dead_and_set_regs): Invalidate stores made by a
14016 call. We do not combine across a call, but we still
14017 relied on equivalences.
14019 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14021 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14022 vrp_int_const_binop returning non-constant nodes.
14024 2006-01-16 Paul Brook <paul@codesourcery.com>
14026 * config/m68k/m68k.c (output_move_const_into_data_reg):
14027 Output correct mnemonic for mvz and mvs.
14029 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14031 * rtl-factoring.c: Add sequence abstraction algorithm.
14032 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14033 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14035 (block_has_preserve_label): New function.
14036 * common.opt: Register new pass.
14037 * Makefile.in: Ditto.
14039 * timevar.def: Ditto.
14040 * tree-pass.h: Ditto.
14041 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14042 * rtl.h (make_jump_insn_raw): Add forward decl.
14043 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14045 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14046 Roger Sayle <roger@eyesopen.com>
14048 * fold-const.c (fold_minmax): New static function.
14049 (fold_binary) <MIN_EXPR>: Call it.
14050 <MAX_EXPR>: Likewise.
14051 * stor-layout.c (place_field): Use DECL_SIZE consistently
14052 in the computation of the new record size.
14054 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14056 * cse.c (cse_condition_code_reg): Make it static.
14057 * rtl.h: Remove the prototype for cse_condition_code_reg.
14059 * combine.c (combine_instructions): Make it static.
14060 * rtl.h: Remove the prototype for combine_instructions.
14062 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14065 * tree.c (get_file_function_name_long): Concatenate the first global
14066 object name with a string derived from the input filename of the object
14069 2006-01-16 Ben Elliston <bje@au.ibm.com>
14071 * config/i386/winnt-stubs.c: Update FSF address.
14072 * config/xtensa/ieee754-df.S: Ditto.
14073 * config/xtensa/ieee754-sf.S: Ditto.
14075 2006-01-14 Ian Lance Taylor <ian@airs.com>
14077 * ifcvt.c (noce_init_if_info): New static function, broken out of
14078 noce_process_if_block.
14079 (noce_process_if_block): Call noce_init_if_info.
14080 (check_cond_move_block): New static function.
14081 (cond_move_process_if_block): New static function.
14082 (process_if_block): Call cond_move_process_if_block.
14084 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14086 * cselib.c (hash_table): Rename to cselib_hash_table.
14087 (cselib_clear_table, discard_useless_values,
14088 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14089 cselib_init, cselib_finish): Adjust uses of hash_table.
14091 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14093 PR tree-optimization/25485
14094 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14095 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14096 is known to be false and true, respectively.
14098 2006-01-14 Richard Guenther <rguenther@suse.de>
14100 PR tree-optimization/22548
14101 PR tree-optimization/22555
14102 PR tree-optimization/22501
14103 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14104 * params.def (salias-max-array-elements): New parameter.
14105 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14106 * doc/invoke.texi (salias-max-array-elements): Document.
14107 * tree-flow-inline.h (var_can_have_subvars): We also handle
14109 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14111 * tree-ssa-structalias.c (params.h): Include.
14112 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14113 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14114 (get_constraint_for): For ADDR_EXPR operating on something
14115 containing an ARRAY_REF, add all subvars to the solution.
14116 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14117 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14118 for creating MUST_DEFs.
14119 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14121 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14123 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14125 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14126 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14127 number_of_iterations_le): New functions.
14128 (number_of_iterations_special): Removed.
14129 (number_of_iterations_exit): Do not use number_of_iterations_special.
14130 * tree.c (unsigned_type_for): Always return integer type.
14132 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14133 Richard Guenther <rguenther@suse.de>
14135 PR rtl-optimization/24257
14136 * gcse.c (find_moveable_store): Only consider a store movable
14137 when the SET_SRC of the insn can be assigned to a register.
14139 2006-01-14 Ian Lance Taylor <ian@airs.com>
14141 * tree.c (tree_not_class_check_failed): New function.
14142 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14143 (tree_not_class_check_failed): Declare.
14145 2006-01-13 Ian Lance Taylor <ian@airs.com>
14147 * reload1.c (do_output_reload): Add assertion rejecting a
14150 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14152 * combine.c (struct reg_stat): Add new fields truncation_label and
14154 (record_value_for_reg): Reset truncated_to_mode.
14155 (record_truncated_value): New function.
14156 (check_promoted_subreg): Call it. Rename to check_conversions.
14157 (combine_instructions): Rename check_promoted_subreg to
14159 (reg_truncated_to_mode): New function.
14160 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14161 (gen_lowpart_or_truncate): New function.
14162 (force_to_mode): Use it instead of gen_lowpart.
14164 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14166 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14167 VAR is a tag, not its type tag.
14169 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14171 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14172 alternatives to match style of other entries.
14173 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14175 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14177 PR tree-optimization/25771
14178 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14181 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14184 * tree-inline.c (declare_return_variable): If the return variable
14185 was marked as a non gimple complex, set the return slot variable
14186 to be a non gimple comple variable.
14188 2006-01-13 Richard Guenther <rguenther@suse.de>
14190 * builtins.c (expand_builtin_sincos): New function.
14191 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14193 (expand_builtin): Expand sincos using expand_builtin_sincos.
14195 2006-01-12 DJ Delorie <dj@redhat.com>
14197 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14198 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14199 so that constant shifts can be split.
14200 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14201 (m32c_valid_pointer_mode): Make static.
14202 (shift_gen_func_for): New.
14203 (m32c_prepare_shift): Use it. Split large const shifts into
14205 * config/m32c/predicates.md (shiftcount_operand): Allow more
14207 (longshiftcount_operand): New.
14208 * doc/md.texi (Machine Constraints): Document In6.
14210 2006-01-13 Ben Elliston <bje@au.ibm.com>
14212 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14213 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14216 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14218 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14219 to try to avoid clobbering pieces of structures when we know
14220 something about the whole structure.
14221 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14223 2006-01-13 Ben Elliston <bje@au.ibm.com>
14225 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14226 return in memory, as this is no limitation is no longer present.
14228 2006-01-12 DJ Delorie <dj@redhat.com>
14230 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14231 mova with fb, and for fb+0 -> An.
14233 * config/m32c/mov.md (peephole2): Fix enabling logic.
14235 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14236 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14237 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14238 FINI_ARRAY_SECTION_ASM_OP): Define.
14240 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14242 (m32c_legitimize_reload_address): New logic to reload FB to An.
14243 (m32c_output_reg_push): Add newline.
14244 (m32c_output_reg_pop): Likewise.
14246 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14248 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14250 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14252 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14254 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14256 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14259 2006-01-11 Ben Elliston <bje@au.ibm.com>
14261 * rtlanal.c (find_reg_note): Assert insn is not null.
14263 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14265 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14268 2006-01-11 Jeff Law <law@redhat.com>
14270 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14272 (mark_threaded_blocks, register_jump_thread): New functions.
14273 (thread_through_all_blocks): Remove unwanted argument. No
14274 longer rely on e->aux to communicate thread target info.
14275 Call mark_threaded_blocks. Release the threaded_blocks
14276 bitmap and threaded_edges vector when complete.
14277 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14278 (threaded_blocks): Remove.
14279 (tree_ssa_dominator_optimize): Remove initialization and
14280 finalization of threaded_blocks. Simplify call to
14281 thread_through_all_blocks.
14282 (thread_across_edge): Call register_jump_thread rather than
14283 storing thread information into e->aux.
14284 (free_all_edge_infos): Simplify now that e->aux is no longer
14285 used to communicate with thread_through_all_blocks.
14286 * tree-flow.h (thread_through_all_blocks): Update prototype.
14287 (register_jump_thread): Prototype.
14289 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14291 * df-core.c (df_compact_blocks, df_bb_replace): Use
14292 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14294 2006-01-11 Richard Guenther <rguenther@suse.de>
14296 PR tree-optimization/25734
14297 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14298 stop propagation after successful propagation to the LHS.
14300 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14302 * basic-block.h (control_flow_graph): Change the type of
14303 x_basic_block_info to VEC(basic_block,gc) *.
14304 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14306 (SET_BASIC_BLOCK): New.
14307 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14308 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14309 * cfgbuild.c (find_basic_blocks): Likewise.
14310 * cfglayout.c (fixup_reorder_chain): Likewise.
14311 * cfgrtl.c (create_basic_block_structure,
14312 rtl_create_basic_block): Likewise.
14313 * ifcvt.c (find_if_case_1): Likewise.
14314 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14317 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14319 * Makefile.in: Removed rotted odf.c entry.
14321 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14324 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14325 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14326 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14327 output pattern modifier, not %e.
14328 * config/cris/cris.c (cris_op_str): Update comment about pattern
14330 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14331 before falling through into...
14332 <case 'E'>: Redefined from old 'e' case.
14334 2006-01-11 Jan Hubicka <jh@suse.cz>
14337 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14339 2006-01-11 Jan Hubicka <jh@suse.cz>
14341 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14342 * i386.c (x86_decompose_lea): Kill.
14343 (ix86_rtx_costs): Kill.
14345 2006-01-11 Jan Hubicka <jh@suse.cz>
14347 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14348 * cgraph.h (cgraph_node): Add inline_decl.
14349 (cgraph_insert_node_to_hashtable): Declare.
14350 (save_inline_function_body): Declare.
14351 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14353 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14354 (cgraph_function_versioning): Update call of tree_function_versioning.
14355 (save_inline_function_body): New function.
14356 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14357 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14358 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14359 (cgraph_default_inline_p): Likewise.
14360 (cgraph_decide_inlining_incrementally): Likewise.
14361 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14362 (copy_bb): Kill saving; do updating of clones.
14363 (copy_cfg_body): Kill saving.
14364 (initialize_inlined-parameters): Likewise.
14365 (expand_call_inline): Likewise.
14367 (tree_function_versioning): New parameter "update_clones".
14368 (inlining_p): Kill saving.
14369 * tree-inline.h (tree_function_versioning): Update prototype.
14370 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14373 2006-01-11 Ian Lance Taylor <ian@airs.com>
14375 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14376 Allow undoing set of machine mode.
14377 (do_SUBST): Use enums instead of is_int.
14378 (do_SUBST_MODE): New function.
14379 (SUBST_MODE): New macro.
14380 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14381 reg and trying to replace reg_regno_rtx with a new register.
14382 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14383 (simplify_set): Use SUBST_MODE.
14384 (distribute_notes): Remove code that tried to update reg notes
14385 for regno_reg_rtx changes.
14387 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14389 PR tree-optimization/23109
14390 PR tree-optimization/23948
14391 PR tree-optimization/24123
14393 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14394 * tree-cfg.c (single_noncomplex_succ): New.
14395 * tree-flow.h (single_noncomplex_succ): Declare it.
14396 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14397 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14398 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14399 insert_bb, register_division_in, insert_reciprocals,
14400 replace_reciprocal, free_bb): New.
14401 (execute_cse_reciprocals_1): Rewritten.
14402 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14403 Do not commit any edge insertion. Always compute dominators and
14404 create the allocation pool.
14405 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14406 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14407 * targhooks.c (default_min_divistions_for_recip_mul): New.
14408 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14409 * passes.c (init_optimization_passes): Run recip after tree loop
14411 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14413 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14414 Kenneth Zadeck <zadeck@naturalbridge.com>
14416 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14417 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14418 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14419 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14420 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14421 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14422 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14423 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14424 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14425 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14426 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14427 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14428 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14429 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14430 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14431 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14432 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14433 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14434 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14435 DF_SCAN_POST_ALLOC): New macros.
14436 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14437 df_free_bb_function, df_local_compute_function, df_init_function,
14438 df_dataflow_function, df_confluence_function_0,
14439 df_confluence_function_n, df_transfer_function,
14440 df_finalizer_function, df_free_function, df_dump_problem_function,
14441 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14442 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14443 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14444 df_urec_bb_info, ) New types.
14445 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14447 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14448 df_analyze_simple_change_some_blocks,
14449 df_analyze_simple_change_one_block, df_compact_blocks,
14450 df_bb_replace, df_bb_regno_last_use_find,
14451 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14452 df_insn_regno_def_p, df_find_def, df_find_use,
14453 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14454 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14455 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14456 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14457 debug_df_chain, df_get_dependent_problem, df_chain_create,
14458 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14459 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14460 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14461 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14462 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14463 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14464 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14465 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14466 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14467 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14468 df_reorganize_refs, df_set_state, df_hard_reg_init,
14469 df_read_modify_subreg_p) New public functions.
14470 * df-core.c: The core dataflow solver and glue routines for rtl
14472 (df_init, df_add_problem, df_set_blocks, df_finish,
14473 df_hybrid_search_forward, df_hybrid_search_backward,
14474 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14475 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14476 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14477 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14478 df_reg_defined, df_find_use, df_reg_used, df_dump,
14479 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14480 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14481 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14482 debug_df_useno, reset_df_after_reload): New functions.
14483 * df-scan.c: The scanning fuctions, once in df.c, completely
14484 rewritten so that they now fully model the functionality of
14485 register usage at the backend.
14486 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14487 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14488 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14489 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14490 df_get_artificial_defs, df_get_artificial_uses,
14491 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14492 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14493 df_refs_delete, df_reorganize_refs, df_set_state,
14494 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14495 df_def_record_1, df_defs_record, df_uses_record,
14496 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14497 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14498 df_record_exit_block_uses, df_hard_reg_init): New functions.
14500 * df-problems.c: Seven concrete dataflow problems that use the
14501 scanning in df-scan.c and are solved by the engine in df-core.c.
14502 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14503 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14504 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14505 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14506 df_ru_free_bb_info, df_ru_alloc,
14507 df_ru_bb_local_compute_process_def,
14508 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14509 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14510 df_ru_transfer_function, df_ru_free, df_ru_dump,
14511 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14512 df_rd_free_bb_info, df_rd_alloc,
14513 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14514 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14515 df_rd_transfer_function, df_rd_free, df_rd_dump,
14516 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14517 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14518 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14519 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14520 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14521 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14522 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14523 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14524 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14525 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14526 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14527 df_urec_mark_reg_use_for_earlyclobber,
14528 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14529 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14530 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14531 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14532 df_chain_create_bb_process_use, df_chain_create_bb,
14533 df_chain_finalize, df_chain_free, df_chains_dump,
14534 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14535 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14536 df_reg_lifetime): New functions.
14537 * df.c: Deleted file.
14538 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14539 consistent with new df api.
14540 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14541 rest_of_handle_sms): Ditto.
14542 * web.c (unionfind_union, union_defs, entry_register, web_main):
14544 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14545 invariant_expr_equal_p, find_defs, check_dependencies,
14546 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14547 free_inv_motion_data, move_loop_invariants): Ditto.
14548 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14549 Update dependencies.
14550 (odf.c): Added defective entry that was deleted later in day.
14551 * sched-deps.c (sched_analyze_1): Ditto.
14553 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14555 * tree-ssa-operands.c (get_expr_operands): Record addressable
14556 variables directly. Do not call add_stmt_operands for CONST_DECLs
14558 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14559 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14561 2006-01-11 Ben Elliston <bje@au.ibm.com>
14563 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14564 function returns true in the positive case.
14566 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14569 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14570 for SI, DI, SF and DF modes. Add alternatives to copy between
14571 general and floating point registers to the 32-bit patterns.
14572 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14573 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14574 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14575 generating 64-bit code.
14576 * config/pa/pa.c (output_move_double): Handle copies between general
14577 and floating registers.
14579 2006-01-10 Stuart Hastings <stuart@apple.com>
14581 * config/i386/i386.md (set_got): Update.
14582 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14583 (builtin_setjmp_receiver): Mach-O support.
14584 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14585 (GOT_SYMBOL_NAME): Define.
14586 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14587 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14588 * config/i386/i386.c (override_options): Revise for Darwin.
14589 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14590 support. (darwin_x86_file_end): New. (output_set_got): Add label
14591 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14592 * config/i386/i386-protos.h (output_set_got): Likewise.
14593 * config/darwin.c (machopic_legitimize_pic_address): Update
14596 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14598 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14599 when MODE isn't BLKmode.
14601 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14603 PR rtl-optimization/25367
14604 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14606 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14609 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14610 for a negative bound.
14612 2006-01-10 Richard Guenther <rguenther@suse.de>
14614 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14615 Never override with anything constraint.
14617 2006-01-10 Jan Beulich <jbeulich@novell.com>
14619 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14620 256 bits when optimize_size.
14622 2006-01-10 Jan Beulich <jbeulich@novell.com>
14624 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14626 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14627 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14630 2006-01-10 Ben Elliston <bje@au.ibm.com>
14632 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14634 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14635 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14636 (USE_FP_FOR_ARG): Reject decimal float modes.
14637 (function_arg_advance): Likewise.
14638 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14639 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14640 point types in AltiVec vectors.
14641 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14642 (rs6000_libcall_value): Likewise.
14644 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14646 * config/xtensa/ieee754-df.S: New file.
14647 * config/xtensa/ieee754-sf.S: New file.
14648 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14649 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14650 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14652 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14654 * config/sh/predicates.md (binary_float_operator,
14655 binary_logical_operator, commutative_float_operator,
14656 equality_comparison_operator, greater_comparison_operator,
14657 less_comparison_operator, logical_operator,
14658 noncommutative_float_operator, shift_operator,
14659 symbol_ref_operand, unary_float_operator): Remove redundant
14662 2006-01-09 Jeff Law <law@redhat.com>
14664 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14665 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14666 now unused arguments. Callers updated.
14667 (eliminate_redundant_computations): Remove now unused arguments,
14669 (local_fold): Remove, no longer used.
14670 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14672 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14673 (simplify_cond): New function.
14674 (forward_propagate_into_cond): Call simplify_cond.
14676 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14678 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14679 (*vec_extractv2di_1_sse): New.
14681 2006-01-09 Ben Elliston <bje@au.ibm.com>
14683 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14685 2006-01-08 Richard Guenther <rguenther@suse.de>
14687 * tree-ssa-structalias.c (get_constraint_for): Remove
14688 anyoffset argument.
14689 (get_constraint_for_component_ref): Likewise.
14690 (do_deref): Likewise.
14691 (get_constraint_for): Likewise.
14692 (do_structure_copy): Likewise.
14693 (handle_ptr_arith): Likewise.
14694 (find_func_aliases): Likewise. Remove unused need_anyoffset
14697 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14698 Kaz Kojima <kkojima@gcc.gnu.org>
14700 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14701 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14702 (EXTRA_CONSTRAINT_C16): Remove.
14703 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14704 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14705 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14706 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14707 constants of SHmedia. Handle nested constant expressions of
14709 (andcosts): Fix the costs for SHmedia constants.
14710 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14711 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14712 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14713 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14714 (movv4hi_i, movv2si_i): Likewise.
14715 (movsi_const): Adjust the second operand of ior so to match with
14716 the Csu constraint.
14717 (movdi_const, movdi_const_32bit): Likewise.
14718 (movdi_const_16bit+1): Don't sign-extend LOW.
14719 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14721 (*double_shori): Fix the split condition. Use GEN_INT instead
14722 of get_int_mode calls. Mask lower 16-bit of the argument of
14724 (sym2GOTPLT): Remove.
14725 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14727 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14728 instead of EXTRA_CONSTRAINT_C16.
14730 2006-01-07 Ian Lance Taylor <ian@airs.com>
14731 David Edelsohn <edelsohn@gnu.org>
14733 PR rtl-optimization/25662
14734 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14735 for constant operands instead of simplify_gen_binary.
14736 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14737 after trying simplify_binary_operation
14739 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14741 * tree.c (iterative_hash_expr): Hash decls based on UID.
14743 2006-01-06 Eric Christopher <echristo@apple.com>
14745 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14746 (TARGET_UNWIND_EMIT): Fix spelling.
14747 * target.h (gcc_target): Add except_table_label.
14748 * except.c (output_function_exception_table): Use.
14749 * varasm.c (default_emit_except_table_label): New.
14750 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14752 (asm_out): Add here.
14753 * output.h (default_emit_except_table_label): Prototype.
14754 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14755 * config/darwin.c (darwin_emit_except_table_label): Define.
14756 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14758 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14760 PR tree-optimization/18527
14761 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14762 number_of_iterations_special, number_of_iterations_exit):
14763 Move base and step of an iv to a single structure. Add
14764 no_overflow flag, and use it in # of iterations analysis.
14765 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14766 folded_casts argument.
14767 (simple_iv): Pass base and step in a structure. Set no_overflow
14769 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14770 Evaluate expensiveness of computing # of iterations instead of
14771 the final expression.
14772 * tree-scalar-evolution.h (affine_iv): New structure.
14773 (simple_iv): Declaration changed.
14774 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14775 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14776 find_givs_in_stmt): Changed due to simple_iv change.
14778 2006-01-06 Jeff Law <law@redhat.com>
14781 * tree-cfg.c (bsi_replace): Rename final argument from
14782 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14783 change (stmt -> orig_stmt).
14784 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14785 (bsi_remove): Add new argument. Remove EH information
14787 (verify_eh_throw_table_statements): New function.
14788 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14790 * tree-optimize.c (execute_free_cfg_annotations): Verify
14791 the EH throw statement table after removing annotations.
14792 * except.h (verify_eh_throw_table_statements): Prototype.
14793 * tree-flow.h (bsi_remove): Update prototype.
14794 * tree-vrp.c (remove_range_assertions): Add new argument to
14796 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14797 * tree-complex.c (expand_complex_div_wide): Likewise.
14798 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14799 * tree-tailcall.c (eliminate_tailcall): Likewise.
14800 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14801 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14802 * tree-nrv.c (tree_nrv): Likewise.
14803 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14804 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14805 (combine_blocks): Likewise.
14806 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14807 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14808 (cleanup_control_flow): Likewise.
14809 (remove_forwarder_block): Likewise.
14810 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14811 * tree-sra.c (sra_replace): Likewise.
14812 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14813 (forward_propagate_single_use_vars): Likewise.
14814 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14815 * tree-inline.c (expand_call_inline): Likewise.
14816 * tree-vect-transform.c (vect_transform_loop): Likewise.
14817 * tree-outof-ssa.c (rewrite_trees): Likewise.
14818 * tree-cfg.c (make_goto_expr_edges): Likewise.
14819 (cleanup_dead_labels): Likewise.
14820 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14821 (bsi_move_before, bsi_move_after): Likewise.
14822 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14823 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14825 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14828 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14830 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14831 on non gimple variables. Also add checks at the top for decls and
14833 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14835 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14836 and IMAGPART_EXPR for creating MUST_DEFs.
14837 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14838 and NAME_MEMORY_TAG separately from the DECLs.
14840 2006-01-06 Richard Guenther <rguenther@suse.de>
14842 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14843 annotation, if necessary.
14844 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14845 redundant calls to update_stmt.
14846 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14849 2006-01-05 Richard Henderson <rth@redhat.com>
14851 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14853 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14855 * c-typeck.c: Update copyright date.
14857 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14859 * c-typeck.c (build_c_cast): Always warn when casting
14860 from a pointer to an integer of different size, even if
14861 the node was constant.
14863 2006-01-05 Richard Guenther <rguenther@suse.de>
14865 PR tree-optimization/22555
14866 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14867 if one structure field is an array.
14868 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14869 operands even if we found a subvar, but ignore VOPs in this
14871 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14873 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14875 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14877 PR middle-end/24998
14878 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14880 2006-01-05 Richard Guenther <rguenther@suse.de>
14881 Diego Novillo <dnovillo@redhat.com>
14883 * tree-pass.h (TODO_remove_unused_locals): Define.
14884 * gimple-low.c (expand_var_p, remove_useless_vars,
14885 pass_remove_useless_vars): Remove. Update all users.
14886 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14887 (remove_unused_locals): New function.
14888 * tree-flow.h (remove_unused_locals): Declare.
14889 * passes.c (execute_todo): Call remove_unused_locals if
14890 TODO_remove_unused_locals is set.
14891 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14892 * tree-ssa-dce.c (pass_dce): Likewise.
14893 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14895 2006-01-05 Richard Guenther <rguenther@suse.de>
14897 * tree-flow.h (struct fieldoff): Decompose field to
14898 type, size and decl.
14899 * tree-ssa-alias.c (create_sft): Take type as parameter.
14900 (create_overlap_variables_for): Store type, size and decl
14901 in the fieldoff structure.
14902 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14903 of struct fieldoff.
14904 (push_fields_onto_fieldstack): Likewise.
14905 (create_variable_info_for): Likewise. Use offset for the
14906 SFT name if the decl is not available.
14908 2006-01-04 Paul Brook <paul@codesourcery.com>
14910 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14912 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14914 * lambda-code.c (can_put_in_inner_loop): Relax
14916 (can_put_after_inner_loop): New function.
14917 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14918 (perfect_nestify): Change to make copies and modify uses.
14920 2006-01-04 Richard Henderson <rth@redhat.com>
14922 Merge from gomp branch:
14923 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14924 via integer constant.
14925 (pragma_lex): Remove.
14926 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14927 rather than parsing it.
14928 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14929 handle_pragma_extern_prefix): Add %< %> quotes.
14930 (registered_pragmas): New.
14931 (c_register_pragma_1): New.
14932 (c_register_pragma): Use it.
14933 (c_register_pragma_with_expansion): Likewise.
14934 (c_invoke_pragma_handler): New.
14935 (init_pragma): Use cpp_register_deferred_pragma directly for
14937 * c-pragma.h (enum pragma_kind): New.
14938 (pragma_handler): New.
14939 (c_invoke_pragma_handler): Declare.
14940 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14942 * c-common.h (c_common_pch_pragma): Update decl.
14943 * Makefile.in (c-parser.o): Update dependencies.
14944 (GTFILES): Add c-pragma.h.
14945 * c-parser.c (struct c_token): Add pragma_kind.
14946 (struct c_parser): Add in_pragma.
14947 (c_lex_one_token): Always initialize keyword and pragma_kind.
14948 Extract data for CPP_PRAGMA.
14949 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14950 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14951 Don't allow CPP_PRAGMA_EOL if in_pragma.
14952 (c_parser_consume_pragma): New.
14953 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14954 (c_parser_skip_to_end_of_parameter): Likewise.
14955 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14956 (c_parser_skip_to_pragma_eol): New.
14957 (c_parser_external_declaration): Handle CPP_PRAGMA.
14958 (c_parser_compound_statement_nostart): Likewise.
14959 (c_parser_statement_after_labels): Likewise.
14960 (c_parser_pragma): New.
14961 (pragma_lex): Likewise.
14962 (c_parser_pragma_pch_preprocess): New.
14963 (c_parser_new): Merge into ...
14964 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14966 2006-01-04 Jeff Law <law@redhat.com>
14969 * tree-cfg.c (bsi_replace): Remove the original statement
14970 from the EH throw statement table.
14972 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14974 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14975 make the prototype extern "C" and add throw ().
14978 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14979 and pos non-negative and pos + len <= 32.
14980 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14981 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14982 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14985 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14986 as well as sizes not multiple of component size.
14989 * function.c (instantiate_expr): New function.
14990 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14991 walk its DECL_VALUE_EXPR with instantiate_expr.
14993 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14994 DW_OP_deref{,_size} if address isn't going to be added.
14996 2006-01-04 Ben Elliston <bje@au.ibm.com>
14998 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14999 * config/fp-bit.c: Likewise.
15001 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15003 * dominance.c: Add comment about why we use DFS numbering
15006 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15007 Richard Henderson <rth@redhat.com>
15009 Merge from gomp-branch:
15010 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15011 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15013 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15015 PR rtl-optimization/25578
15016 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15017 pass a parameter to simplify_shift_const if changing ASHIFTRT
15020 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15022 * builtins.c (get_builtin_sync_mem): New function.
15023 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15024 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15025 Call get_builtin_sync_mem to generate mem rtx.
15027 2006-01-03 Richard Guenther <rguenther@suse.de>
15030 * stmt.c (add_case_node): Make sure to clear overflow flags
15033 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15035 Merge from gomp-branch.
15036 * config/sparc/sync.md: New file.
15037 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15038 UNSPECV_LDSTUB): New constants.
15039 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15040 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15041 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15044 2006-01-03 Roger Sayle <roger@eyesopen.com>
15046 * combine.c (reg_subword_p): New predicate to test whether the
15047 destination of a set refers to a subword/piece of a register.
15048 (try_combine): Generalize the code to merge the setting of a
15049 pseudo to a constant followed by a set of a subword of that
15050 register to a constant.
15052 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15054 * basic-block.h (control_flow_graph): Change the type of
15055 x_label_to_block_map to VEC(basic_block,gc) *.
15056 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15057 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15059 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15060 VEC(basic_block,heap) *.
15061 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15062 ssa_prop_fini): Adjust the uses of cfg_blocks.
15064 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15066 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15068 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15069 hashing trees instead of a pointer hash.
15070 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15071 compare for MEM_EXPR.
15073 PR rtl-optimization/25130
15074 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15075 when comparing MEMs for GCSE
15077 2006-01-03 Ben Elliston <bje@au.ibm.com>
15079 * targhooks.h (default_decimal_float_supported_p): Declare.
15080 * targhooks.c (default_decimal_float_supported_p): Define.
15081 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15082 `default_decimal_float_supported_p'.
15083 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15085 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15087 * combine.c (apply_distributive_law <SUBREG>): Check
15088 TRULY_NOOP_TRUNCATION.
15090 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15092 * dwarf2out.c (have_switched_text_section): Delete.
15093 (have_multiple_function_sections): New.
15094 (have_location_lists): Make 'bool'.
15095 (add_AT_loc_list): Use 'true' not '1'.
15096 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15097 (output_loc_list): Use have_multiple_function_sections.
15098 (output_ranges): Likewise.
15099 (dwarf2out_begin_function): Set have_multiple_function_sections if
15101 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15102 Check function_section rather than DECL_SECTION_NAME.
15103 (dwarf2out_finish): Use have_multiple_function_sections.
15104 Don't clear have_location_lists.
15106 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15107 Jan Hubicka <jh@suse.cz>
15109 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15110 case of conditional jump jumping to the next instruction.
15111 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15112 cases of conditional jump jumping to the next instruction.
15114 2006-01-02 Jan Hubicka <jh@suse.cz>
15116 * i386.c (*_cost): Add COSTS_N_INSNS.
15117 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15119 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15122 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15124 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15126 * config/arm/arm.c (all_fpus): Fix comment typo.
15127 * config/darwin.c: Likewise.
15128 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15129 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15130 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15132 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15134 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15135 (rs6000_split_compare_and_swapqhi): New.
15136 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15137 (sync_compare_and_swapqhi_internal): New.
15138 * config/rs6000/rs6000-protos.h: Declare.